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Support for snapshots #1

Merged
cx merged 1 commits from snapshots into master 2021-10-26 17:02:15 +00:00
Conversation 0 Commits 1 Files Changed 20 +1621 -244
20 changed files with 1621 additions and 244 deletions
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25
.drone.yml Normal file
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@ -0,0 +1,25 @@
kind: pipeline
type: docker
name: testing
steps:
- name: test
image: golang
environment:
SNAPSHOTS_S3_ENDPOINT: minio:9000
TEST_S3_ENDPOINT: minio:9000
commands:
- go mod tidy
- make test
services:
- name: minio
image: minio/minio:latest
environment:
MINIO_ROOT_USER: test
MINIO_ROOT_PASSWORD: testtest
command:
- server
- /data
- --console-address
- :9001

1
.gitignore vendored
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@ -4,3 +4,4 @@ node-api
api-node-17.http
*-packr.go
*.sqlite
tmp/

23
Makefile
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@ -1,2 +1,21 @@
production-build:
podman run --rm --privileged -ti -v ${shell pwd}:/srv docker.io/library/golang:1.14-stretch /bin/sh -c "cd /srv && go build"
.PHONY: test
test:
go test -v apps/*.go
go test -v apps/drivers/*.go
build:
#podman run --rm --privileged -ti -v ${shell pwd}:/srv docker.io/library/golang:1.14-stretch /bin/sh -c "cd /srv && go build"
go build -a -ldflags "-linkmode external -extldflags '-static' -s -w"
.PHONY: minio
minio:
mkdir -p ./tmp/snapshots
-podman stop rosti-snapshots
-podman rm rosti-snapshots
podman run -d --name rosti-snapshots \
-u 1000 \
-p 9000:9000 \
-p 9001:9001 \
-e MINIO_ROOT_USER=test \
-e MINIO_ROOT_PASSWORD=testtest \
minio/minio server /data --console-address ":9001"

5
README.md
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@ -1 +1,6 @@
# Node API
[![Build Status](https://droneci.ceperka.net/api/badges/Rosti/node-api/status.svg)](https://droneci.ceperka.net/Rosti/node-api)
Node API is an microservice that runs on node servers. It provides interface between
Docker and the admin site.

85
apps/drivers/fs.go Normal file
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@ -0,0 +1,85 @@
package drivers
import (
"io"
"io/ioutil"
"os"
"path"
)
type FSDriver struct {
Path string // Where the objects are stored
}
// Create creates a new object in the storage with given body.
// This just copying the given file into the right location.
func (f FSDriver) Create(key string, filePath string) error {
err := os.MkdirAll(path.Dir(path.Join(f.Path, key)), 0755)
if err != nil {
return err
}
source, err := os.Open(filePath)
if err != nil {
return err
}
defer source.Close()
destination, err := os.Create(path.Join(f.Path, key))
if err != nil {
return err
}
defer destination.Close()
_, err = io.Copy(destination, source)
return err
}
// Get copies file from the storage into a local file
func (f FSDriver) Get(key string, filePath string) error {
source, err := os.Open(path.Join(f.Path, key))
if err != nil {
return err
}
defer source.Close()
destination, err := os.Create(filePath)
if err != nil {
return err
}
defer destination.Close()
_, err = io.Copy(destination, source)
return err
}
// Read returns content of given key
func (f *FSDriver) Read(key string) ([]byte, error) {
body, err := ioutil.ReadFile(path.Join(f.Path, key))
return body, err
}
// Write writes content of body into key
func (f FSDriver) Write(key string, body []byte) error {
return ioutil.WriteFile(path.Join(f.Path, key), body, 0644)
}
// List returns list of objects in fiven prefix
func (f FSDriver) List(prefix string) ([]string, error) {
keys := []string{}
files, err := ioutil.ReadDir(path.Join(f.Path, prefix))
if err != nil {
return keys, err
}
for _, file := range files {
keys = append(keys, file.Name())
}
return keys, nil
}
// Delete deletes one object
func (f FSDriver) Delete(key string) error {
return os.Remove(path.Join(f.Path, key))
}

123
apps/drivers/fs_test.go Normal file
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@ -0,0 +1,123 @@
package drivers
import (
"fmt"
"io/ioutil"
"os"
"testing"
"github.com/stretchr/testify/assert"
)
const testDirectory = "./tmp"
const testKey = "sourcefile"
const testFile = testDirectory + "/" + testKey
const testContent = "test content"
func TestMain(m *testing.M) {
testS3Endpoint := "localhost:9000"
if os.Getenv("TEST_S3_ENDPOINT") != "" {
testS3Endpoint = os.Getenv("TEST_S3_ENDPOINT")
}
testS3Driver = S3Driver{
S3AccessKey: "test",
S3SecretKey: "testtest",
S3Endpoint: testS3Endpoint,
S3SSL: false,
Bucket: "testsnapshots",
}
// Test directory
err := os.MkdirAll(testDirectory, 0755)
if err != nil {
fmt.Printf("Creating directory structure error: %v\n", err)
os.Exit(1)
}
// Test source file
err = ioutil.WriteFile(testFile, []byte(testContent), 0755)
if err != nil {
fmt.Printf("Creating test file error: %v\n", err)
os.Exit(2)
}
exitVal := m.Run()
err = os.RemoveAll(testDirectory)
if err != nil {
fmt.Printf("Removing directory structure error: %v\n", err)
os.Exit(1)
}
os.Exit(exitVal)
}
func TestFSCreate(t *testing.T) {
driver := FSDriver{Path: testDirectory}
err := os.MkdirAll(testDirectory, 0755)
assert.Nil(t, err)
err = driver.Create("testkey.txt", testFile)
assert.Nil(t, err)
body, err := driver.Read("testkey.txt")
assert.Nil(t, err)
assert.Equal(t, []byte(testContent), body)
}
func TestFSWrite(t *testing.T) {
driver := FSDriver{Path: testDirectory}
err := driver.Write("testkey2", []byte("another test content"))
assert.Nil(t, err)
body, err := driver.Read("testkey2")
assert.Nil(t, err)
assert.Equal(t, []byte("another test content"), body)
}
func TestFSGet(t *testing.T) {
driver := FSDriver{Path: testDirectory}
err := driver.Get(testKey, testDirectory+"/testdstfile")
assert.Nil(t, err)
body, err := ioutil.ReadFile(testDirectory + "/testdstfile")
assert.Nil(t, err)
assert.Equal(t, []byte(testContent), body)
}
func TestFSRead(t *testing.T) {
driver := FSDriver{Path: testDirectory}
body, err := driver.Read(testKey)
assert.Nil(t, err)
assert.Equal(t, []byte(testContent), body)
}
func TestFSList(t *testing.T) {
driver := FSDriver{Path: testDirectory}
keys, err := driver.List("")
assert.Nil(t, err)
assert.Contains(t, keys, "testkey.txt")
}
func TestFSDelete(t *testing.T) {
driver := FSDriver{Path: testDirectory}
err := driver.Write("keytodelete", []byte("non-needed content"))
assert.Nil(t, err)
keys, err := driver.List("")
assert.Nil(t, err)
assert.Contains(t, keys, "keytodelete")
driver.Delete("keytodelete")
keys, err = driver.List("")
assert.Nil(t, err)
assert.NotContains(t, keys, "keytodelete")
}

157
apps/drivers/s3.go Normal file
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@ -0,0 +1,157 @@
package drivers
import (
"bytes"
"context"
"fmt"
"io/ioutil"
"github.com/minio/minio-go/v7"
"github.com/minio/minio-go/v7/pkg/credentials"
)
// S3Driver provides basic interface for S3 storage compatible with Driver interface
type S3Driver struct {
// S3 storage related things
S3AccessKey string
S3SecretKey string
S3Endpoint string
S3SSL bool
Bucket string
}
// Returns S3 client structure
func (s *S3Driver) getMinioClient() (*minio.Client, error) {
client, err := minio.New(s.S3Endpoint, &minio.Options{
Creds: credentials.NewStaticV4(s.S3AccessKey, s.S3SecretKey, ""),
Secure: s.S3SSL,
})
if err == nil {
return client, s.prepareBucket(client)
}
return client, err
}
// Create configured bucket if it doesn't exist
func (s *S3Driver) prepareBucket(client *minio.Client) error {
bucketInfos, err := client.ListBuckets(context.Background())
if err != nil {
return err
}
var found bool
for _, info := range bucketInfos {
if info.Name == s.Bucket {
found = true
break
}
}
if !found {
err = client.MakeBucket(context.Background(), s.Bucket, minio.MakeBucketOptions{})
if err != nil {
return err
}
}
return nil
}
// Create creates a new object in the storage with given body
func (s S3Driver) Create(key string, filePath string) error {
client, err := s.getMinioClient()
if err != nil {
return fmt.Errorf("getting minio client error: %v", err)
}
_, err = client.FPutObject(context.TODO(), s.Bucket, key, filePath, minio.PutObjectOptions{})
if err != nil {
return fmt.Errorf("copying object into S3 error: %v", err)
}
return nil
}
// Get copies file from S3 into a local file
// filePath tells the method where the file should be stored
func (s S3Driver) Get(key string, filePath string) error {
client, err := s.getMinioClient()
if err != nil {
return fmt.Errorf("getting minio client error: %v", err)
}
err = client.FGetObject(context.TODO(), s.Bucket, key, filePath, minio.GetObjectOptions{})
if err != nil {
return fmt.Errorf("getting the object from S3 error: %v", err)
}
return nil
}
// Write writes content of body into key
func (s S3Driver) Write(key string, body []byte) error {
client, err := s.getMinioClient()
if err != nil {
return fmt.Errorf("getting minio client error: %v", err)
}
_, err = client.PutObject(context.TODO(), s.Bucket, key, bytes.NewReader(body), int64(len(body)), minio.PutObjectOptions{})
if err != nil {
return fmt.Errorf("getting the object from S3 error: %v", err)
}
return nil
}
// Read returns content of given key
func (s S3Driver) Read(key string) ([]byte, error) {
client, err := s.getMinioClient()
if err != nil {
return []byte(""), fmt.Errorf("getting minio client error: %v", err)
}
object, err := client.GetObject(context.TODO(), s.Bucket, key, minio.GetObjectOptions{})
if err != nil {
return []byte(""), fmt.Errorf("getting the object from S3 error: %v", err)
}
body, err := ioutil.ReadAll(object)
if err != nil {
return []byte(""), fmt.Errorf("reading the object from S3 error: %v", err)
}
return body, nil
}
// List returns list of objects in fiven prefix
func (s S3Driver) List(prefix string) ([]string, error) {
keys := []string{}
client, err := s.getMinioClient()
if err != nil {
return keys, fmt.Errorf("getting minio client error: %v", err)
}
for info := range client.ListObjects(context.TODO(), s.Bucket, minio.ListObjectsOptions{Prefix: ""}) {
keys = append(keys, info.Key)
}
return keys, nil
}
// Delete deletes one object
func (s S3Driver) Delete(key string) error {
client, err := s.getMinioClient()
if err != nil {
return fmt.Errorf("getting minio client error: %v", err)
}
err = client.RemoveObject(context.Background(), s.Bucket, key, minio.RemoveObjectOptions{})
if err != nil {
return fmt.Errorf("removing object error: %v", err)
}
return nil
}

79
apps/drivers/s3_test.go Normal file
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@ -0,0 +1,79 @@
package drivers
import (
"io/ioutil"
"path"
"testing"
"github.com/stretchr/testify/assert"
)
var testS3Driver S3Driver
func TestS3Create(t *testing.T) {
err := testS3Driver.Create("testkey", testFile)
assert.Nil(t, err)
body, err := testS3Driver.Read("testkey")
assert.Nil(t, err)
assert.Equal(t, []byte(testContent), body)
}
func TestS3Write(t *testing.T) {
err := testS3Driver.Write("testkey", []byte(testContent))
assert.Nil(t, err)
body, err := testS3Driver.Read("testkey")
assert.Nil(t, err)
assert.Equal(t, []byte(testContent), body)
}
func TestS3Get(t *testing.T) {
err := testS3Driver.Write("testkey", []byte(testContent))
assert.Nil(t, err)
err = testS3Driver.Get("testkey", path.Join(testDirectory, "dsttestfile"))
assert.Nil(t, err)
body, err := ioutil.ReadFile(path.Join(testDirectory, "dsttestfile"))
assert.Nil(t, err)
assert.Equal(t, []byte(testContent), body)
}
func TestS3Read(t *testing.T) {
err := testS3Driver.Write("testkey", []byte(testContent))
assert.Nil(t, err)
body, err := testS3Driver.Read("testkey")
assert.Nil(t, err)
assert.Equal(t, []byte(testContent), body)
}
func TestS3List(t *testing.T) {
err := testS3Driver.Write("testkey", []byte(testContent))
assert.Nil(t, err)
keys, err := testS3Driver.List("")
assert.Nil(t, err)
assert.Contains(t, keys, "testkey")
}
func TestS3Delete(t *testing.T) {
err := testS3Driver.Write("testkey", []byte(testContent))
assert.Nil(t, err)
keys, err := testS3Driver.List("")
assert.Nil(t, err)
assert.Contains(t, keys, "testkey")
err = testS3Driver.Delete("testkey")
assert.Nil(t, err)
keys, err = testS3Driver.List("")
assert.Nil(t, err)
assert.NotContains(t, keys, "testkey")
}

22
apps/drivers/types.go Normal file
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@ -0,0 +1,22 @@
package drivers
// DriverInterface defined methods every storage driver needs to implement
type DriverInterface interface {
// Create creates a new object in the storage from given file name
Create(key string, filePath string) error
// Write writes content of body into key
Write(key string, body []byte) error
// Get returns content of given key
Get(key string, filePath string) error
// Read returns content of given key
Read(key string) ([]byte, error)
// List returns list of objects in fiven prefix
List(prefix string) ([]string, error)
// Delete deletes one object
Delete(key string) error
}

81
apps/main.go
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@ -1,22 +1,25 @@
package apps
import (
"github.com/rosti-cz/node-api/common"
"github.com/jinzhu/gorm"
_ "github.com/jinzhu/gorm/dialects/sqlite"
)
func init() {
db := common.GetDBConnection()
db.AutoMigrate(Label{})
db.AutoMigrate(App{})
// AppsProcessor encapsulates functions for apps manipulation
type AppsProcessor struct {
DB *gorm.DB
}
func (a *AppsProcessor) Init() {
a.DB.AutoMigrate(Label{})
a.DB.AutoMigrate(App{})
}
// Get returns one app
func Get(name string) (*App, error) {
func (a *AppsProcessor) Get(name string) (*App, error) {
var app App
db := common.GetDBConnection()
err := db.Preload("Labels").Where("name = ?", name).First(&app).Error
err := a.DB.Preload("Labels").Where("name = ?", name).First(&app).Error
if err != nil {
return nil, err
}
@ -25,12 +28,10 @@ func Get(name string) (*App, error) {
}
// List returns all apps located on this node
func List() (*Apps, error) {
func (a *AppsProcessor) List() (*Apps, error) {
var apps Apps
db := common.GetDBConnection()
err := db.Preload("Labels").Find(&apps).Error
err := a.DB.Preload("Labels").Find(&apps).Error
if err != nil {
return nil, err
}
@ -39,7 +40,7 @@ func List() (*Apps, error) {
}
// New creates new record about application in the database
func New(name string, SSHPort int, HTTPPort int, image string, CPU int, memory int) error {
func (a *AppsProcessor) New(name string, SSHPort int, HTTPPort int, image string, CPU int, memory int) error {
app := App{
Name: name,
SSHPort: SSHPort,
@ -49,8 +50,6 @@ func New(name string, SSHPort int, HTTPPort int, image string, CPU int, memory i
Memory: memory,
}
db := common.GetDBConnection()
validationErrors := app.Validate()
if len(validationErrors) != 0 {
return ValidationError{
@ -58,7 +57,7 @@ func New(name string, SSHPort int, HTTPPort int, image string, CPU int, memory i
}
}
if err := db.Create(&app).Error; err != nil {
if err := a.DB.Create(&app).Error; err != nil {
return err
}
@ -66,12 +65,10 @@ func New(name string, SSHPort int, HTTPPort int, image string, CPU int, memory i
}
// Update changes value about app in the database
func Update(name string, SSHPort int, HTTPPort int, image string, CPU int, memory int) (*App, error) {
func (a *AppsProcessor) Update(name string, SSHPort int, HTTPPort int, image string, CPU int, memory int) (*App, error) {
var app App
db := common.GetDBConnection()
err := db.Where("name = ?", name).First(&app).Error
err := a.DB.Where("name = ?", name).First(&app).Error
if err != nil {
return &app, err
}
@ -107,15 +104,13 @@ func Update(name string, SSHPort int, HTTPPort int, image string, CPU int, memor
}
// Apply the changes
err = db.Save(&app).Error
err = a.DB.Save(&app).Error
return &app, err
}
// UpdateResources updates various metrics saved in the database
func UpdateResources(name string, state string, CPUUsage float64, memory int, diskUsageBytes int, diskUsageInodes int) error {
db := common.GetDBConnection()
err := db.Model(&App{}).Where("name = ?", name).Updates(App{
func (a *AppsProcessor) UpdateResources(name string, state string, CPUUsage float64, memory int, diskUsageBytes int, diskUsageInodes int) error {
err := a.DB.Model(&App{}).Where("name = ?", name).Updates(App{
State: state,
CPUUsage: CPUUsage,
MemoryUsage: memory,
@ -126,48 +121,42 @@ func UpdateResources(name string, state string, CPUUsage float64, memory int, di
}
// UpdateState sets container's state
func UpdateState(name string, state string) error {
db := common.GetDBConnection()
err := db.Model(&App{}).Where("name = ?", name).Updates(App{
func (a *AppsProcessor) UpdateState(name string, state string) error {
err := a.DB.Model(&App{}).Where("name = ?", name).Updates(App{
State: state,
}).Error
return err
}
// Delete removes records about one app from the database
func Delete(name string) error {
db := common.GetDBConnection()
app, err := Get(name)
func (a *AppsProcessor) Delete(name string) error {
app, err := a.Get(name)
if err != nil {
return err
}
err = db.Where("app_id = ?", app.ID).Delete(&Label{}).Error
err = a.DB.Where("app_id = ?", app.ID).Delete(&Label{}).Error
if err != nil {
return err
}
err = db.Where("id = ?", app.ID).Delete(App{}).Error
err = a.DB.Where("id = ?", app.ID).Delete(App{}).Error
return err
}
// AddLabel adds label to existing application
func AddLabel(appName string, label string) error {
func (a *AppsProcessor) AddLabel(appName string, label string) error {
var app App
db := common.GetDBConnection()
err := db.Where("name = ?", appName).First(&app).Error
err := a.DB.Where("name = ?", appName).First(&app).Error
if err != nil {
return err
}
// Check if there is such label already
var count int
err = db.Model(&Label{}).Where("value = ? AND app_id = ?", label, app.ID).Count(&count).Error
err = a.DB.Model(&Label{}).Where("value = ? AND app_id = ?", label, app.ID).Count(&count).Error
if err != nil {
return err
}
@ -177,19 +166,17 @@ func AddLabel(appName string, label string) error {
}
// And create the label
return db.Create(&Label{AppID: app.ID, Value: label}).Error
return a.DB.Create(&Label{AppID: app.ID, Value: label}).Error
}
// RemoveLabel removes label from existing application
func RemoveLabel(appName string, label string) error {
func (a *AppsProcessor) RemoveLabel(appName string, label string) error {
var app App
db := common.GetDBConnection()
err := db.Where("name = ?", appName).First(&app).Error
err := a.DB.Where("name = ?", appName).First(&app).Error
if err != nil {
return err
}
return db.Where("label = ? AND app_id = ?", label, app.ID).Delete(&Label{}).Error
return a.DB.Where("label = ? AND app_id = ?", label, app.ID).Delete(&Label{}).Error
}

271
apps/snapshots.go Normal file
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@ -0,0 +1,271 @@
package apps
import (
"encoding/base64"
"encoding/json"
"errors"
"fmt"
"log"
"os"
"path"
"strings"
"time"
"github.com/mholt/archiver/v3"
"github.com/rosti-cz/node-api/apps/drivers"
)
const bucketName = "snapshots"
const dateFormat = "20060102_150405"
const keySplitCharacter = ":"
// Snapshot contains metadata about a single snapshot
type Snapshot struct {
AppName string
TimeStamp int64
Labels []string
}
// SnapshotIndexLine is struct holding information about a single snapshot
func (s *Snapshot) ToString() string {
// Ignoring this error is intentional. There shouldn't be any problem with this, because all data types are ready to be marshaled.
body, _ := json.Marshal(s)
return string(body)
}
// KeyName returns keyname used to store the snapshot in the storage
func (s *Snapshot) KeyName() string {
metadata := base64.StdEncoding.EncodeToString([]byte(s.ToString()))
// TODO: this can't be bigger than 1kB
return fmt.Sprintf("%s%s%d%s%s", s.AppName, keySplitCharacter, s.TimeStamp, keySplitCharacter, metadata)
}
// DecodeKeyName returns snapshot structure containing all metadata about a single snapshot
func DecodeKeyName(key string) (Snapshot, error) {
parts := strings.Split(key, keySplitCharacter)
if len(parts) != 3 {
return Snapshot{}, errors.New("key name in incorrect format")
}
_metadata, err := base64.StdEncoding.DecodeString(parts[2])
if len(parts) != 3 {
return Snapshot{}, fmt.Errorf("base64 decoding error: %v", err)
}
snapshot := Snapshot{}
err = json.Unmarshal(_metadata, &snapshot)
if err != nil {
return snapshot, fmt.Errorf("metadata unmarshal error: %v", err)
}
return snapshot, nil
}
type Snapshots []Snapshot
// SnapshotProcessor encapsulates everything realted to snapshots. Snapshot is an archive of app's
// directory content. It's stored in S3.
// The biggest problem in the implementation is speed of looking for snapshots by labels.
// This is distributed interface for the snapshot storage and any node can handle the request message
// so we don't have any locking mechanism here and we cannot created index of snapshots without
// significant time spend on it. Let's deal with it later. I think we are fine for first 10k snapshots.
type SnapshotProcessor struct {
AppsPath string // Where apps are stored
TmpSnapshotPath string // where temporary location for snapshots is
Driver drivers.DriverInterface
}
// CreateSnapshot creates an archive of existing application and stores it in S3 storage
// Returns key under which is the snapshot stored and/or error if there is any.
// Metadata about the snapshot are encoded in the third part of the keyname.
// The keyname cannot be bigger than 1 kB.
func (s *SnapshotProcessor) CreateSnapshot(appName string, labels []string) (string, error) {
// Create an archive
archive := archiver.Zip{
CompressionLevel: 6,
MkdirAll: true,
SelectiveCompression: true,
ContinueOnError: false,
OverwriteExisting: false,
ImplicitTopLevelFolder: false,
}
snapshot := Snapshot{
AppName: appName,
TimeStamp: time.Now().Unix(),
Labels: labels,
}
tmpSnapshotArchivePath := path.Join(s.TmpSnapshotPath, snapshot.KeyName()+".zip")
err := os.Chdir(path.Join(s.AppsPath, appName))
if err != nil {
return snapshot.KeyName(), fmt.Errorf("change working directory error: %v", err)
}
err = archive.Archive([]string{"./"}, tmpSnapshotArchivePath)
if err != nil {
return snapshot.KeyName(), fmt.Errorf("compression error: %v", err)
}
// Clean after myself
defer func() {
err = os.Remove(tmpSnapshotArchivePath)
if err != nil {
log.Println("removing temporary snapshot file error:", err.Error())
}
}()
// Pipe it into the storage
err = s.Driver.Create(snapshot.KeyName(), tmpSnapshotArchivePath)
if err != nil {
return snapshot.KeyName(), fmt.Errorf("copying snapshot into S3 error: %v", err)
}
return snapshot.KeyName(), nil
}
// RestoreSnapshot restores snapshot into an existing application
// If you need a new app from existing snapshot just create it.
// This restored only content of the disk, doesn't create the container.
func (s *SnapshotProcessor) RestoreSnapshot(key string, newAppName string) error {
tmpSnapshotArchivePath := path.Join(s.TmpSnapshotPath, key+".zip")
err := os.MkdirAll(path.Join(s.AppsPath, newAppName), 0755)
if err != nil {
return fmt.Errorf("creating destination path error: %v", err)
}
err = os.Chdir(path.Join(s.AppsPath, newAppName))
if err != nil {
return fmt.Errorf("creating destination path error: %v", err)
}
s.Driver.Get(key, tmpSnapshotArchivePath)
if err != nil {
return fmt.Errorf("getting the archive from S3 error: %v", err)
}
archive := archiver.Zip{
CompressionLevel: 6,
MkdirAll: true,
SelectiveCompression: true,
ContinueOnError: false,
OverwriteExisting: false,
ImplicitTopLevelFolder: false,
}
err = archive.Unarchive(tmpSnapshotArchivePath, "./")
if err != nil {
return fmt.Errorf("unarchiving error: %v", err)
}
err = os.Remove(tmpSnapshotArchivePath)
if err != nil {
return fmt.Errorf("removing the archive error: %v", err)
}
return nil
}
// ListAppSnapshots returns list of all snapshots related to a single application
func (s *SnapshotProcessor) ListAppSnapshots(appName string) ([]Snapshot, error) {
snapshots := []Snapshot{}
keys, err := s.Driver.List("")
if err != nil {
return snapshots, err
}
for _, key := range keys {
if strings.HasPrefix(key, appName+keySplitCharacter) {
snapshot, err := DecodeKeyName(key)
if err != nil {
return snapshots, err
}
snapshots = append(snapshots, snapshot)
}
}
return snapshots, nil
}
// ListAppsSnapshots returns list of snapshots for all given apps
func (s *SnapshotProcessor) ListAppsSnapshots(appNames []string) ([]Snapshot, error) {
snapshots := []Snapshot{}
keys, err := s.Driver.List("")
if err != nil {
return snapshots, err
}
for _, key := range keys {
for _, appName := range appNames {
if strings.HasPrefix(key, appName+keySplitCharacter) {
snapshot, err := DecodeKeyName(key)
if err != nil {
return snapshots, err
}
snapshots = append(snapshots, snapshot)
}
}
}
return snapshots, nil
}
// ListAppsSnapshotsByLabels returns list of snapshots with given label
// TODO: this will be ok for now but probably little slow when users start using it more
func (s *SnapshotProcessor) ListAppsSnapshotsByLabels(desiredLabel string) ([]Snapshot, error) {
snapshots := []Snapshot{}
keys, err := s.Driver.List("")
if err != nil {
return snapshots, err
}
for _, key := range keys {
snapshot, err := DecodeKeyName(key)
if err != nil {
return snapshots, err
}
for _, label := range snapshot.Labels {
if label == desiredLabel {
snapshots = append(snapshots, snapshot)
}
}
}
return snapshots, nil
}
// DeleteSnapshot delete's one snapshot
func (s *SnapshotProcessor) DeleteSnapshot(key string) error {
err := s.Driver.Delete(key)
if err != nil {
return fmt.Errorf("removing snapshot error: %v", err)
}
return nil
}
// DeleteAppSnapshots deletes all snapshots related to a single application
func (s *SnapshotProcessor) DeleteAppSnapshots(appName string) error {
snapshots, err := s.ListAppSnapshots(appName)
if err != nil {
return fmt.Errorf("removing snapshots error: %v", err)
}
for _, snapshot := range snapshots {
err = s.DeleteSnapshot(snapshot.KeyName())
if err != nil {
return fmt.Errorf("removing snapshots error: %v", err)
}
}
return nil
}

155
apps/snapshots_test.go Normal file
View File

@ -0,0 +1,155 @@
package apps
import (
"fmt"
"os"
"os/exec"
"path"
"strings"
"testing"
"github.com/rosti-cz/node-api/apps/drivers"
"github.com/stretchr/testify/assert"
)
var snapshotProcessor *SnapshotProcessor
var initialPwd string
var testS3Endpoint string
func TestMain(m *testing.M) {
testS3Endpoint = "localhost:9000"
if os.Getenv("TEST_S3_ENDPOINT") != "" {
testS3Endpoint = os.Getenv("TEST_S3_ENDPOINT")
}
pwd, err := os.Getwd()
if err != nil {
fmt.Println(err.Error())
os.Exit(1)
}
toRemovePath := path.Join(pwd, "..", "tmp")
initialPwd = path.Join(pwd, "..")
// Removing temporary test files from previous runs
err = os.RemoveAll(toRemovePath)
if err != nil {
fmt.Println(err.Error())
os.Exit(1)
}
minioHost := os.Getenv("MINIO_HOST")
if minioHost == "" {
minioHost = "localhost:9000"
}
snapshotProcessor = &SnapshotProcessor{
AppsPath: path.Join(initialPwd, "tmp/apps"),
TmpSnapshotPath: path.Join(initialPwd, "tmp/snapshots"),
Driver: drivers.S3Driver{
S3AccessKey: "test",
S3SecretKey: "testtest",
S3Endpoint: testS3Endpoint,
S3SSL: false,
Bucket: "testsnapshots",
},
}
err = os.MkdirAll(path.Join(initialPwd, "tmp/apps"), 0755)
if err != nil {
fmt.Println(err.Error())
os.Exit(1)
}
err = os.MkdirAll(path.Join(initialPwd, "tmp/snapshots"), 0755)
if err != nil {
fmt.Println(err.Error())
os.Exit(1)
}
code := m.Run()
os.Exit(code)
}
func TestSnapshot(t *testing.T) {
snapshot := Snapshot{
AppName: "app_0102",
TimeStamp: 1634510035,
Labels: []string{"userid:1"},
}
assert.Equal(t, "app_0102:1634510035:eyJBcHBOYW1lIjoiYXBwXzAxMDIiLCJUaW1lU3RhbXAiOjE2MzQ1MTAwMzUsIkxhYmVscyI6WyJ1c2VyaWQ6MSJdfQ==", snapshot.KeyName())
snapshot2, err := DecodeKeyName("app_0102:1634510035:eyJBcHBOYW1lIjoiYXBwXzAxMDIiLCJUaW1lU3RhbXAiOjE2MzQ1MTAwMzUsIkxhYmVscyI6WyJ1c2VyaWQ6MSJdfQ==")
assert.Nil(t, err)
assert.Equal(t, "app_0102", snapshot2.AppName)
assert.Equal(t, int64(1634510035), snapshot2.TimeStamp)
assert.Equal(t, "userid:1", snapshot2.Labels[0])
}
func TestCreateRestoreListSnapshot(t *testing.T) {
appName := "app_0101"
// Create an app structure
err := os.MkdirAll(path.Join(snapshotProcessor.AppsPath, appName), 0755)
if err != nil {
fmt.Println(err.Error())
os.Exit(1)
}
_, err = exec.Command("bash", "-c", "echo content > "+path.Join(snapshotProcessor.AppsPath, appName)+"/a_file.txt").CombinedOutput()
if err != nil {
fmt.Println(err.Error())
os.Exit(1)
}
// Create an snapshot
snapshotName, err := snapshotProcessor.CreateSnapshot(appName, []string{"app:test", "almost_no_content"})
assert.Nil(t, err)
assert.Equal(t, strings.HasPrefix(snapshotName, appName+":"), true)
// Remove app
err = os.RemoveAll(path.Join(snapshotProcessor.AppsPath, appName))
assert.Nil(t, err)
// Check if the file doesn't exist
_, err = os.Stat(path.Join(snapshotProcessor.AppsPath, appName, "a_file.txt"))
assert.Equal(t, os.IsNotExist(err), true)
// list snapshots
snapshots, err := snapshotProcessor.ListAppSnapshots(appName)
assert.Nil(t, err)
assert.True(t, len(snapshots) >= 1, true, "not snapshots found")
var found bool
for _, snapshot := range snapshots {
if snapshot.AppName == appName {
found = true
}
}
assert.True(t, found, "not the right snapshot found")
// List snapshots for list of apps
snapshots, err = snapshotProcessor.ListAppsSnapshots([]string{appName})
assert.Nil(t, err)
assert.True(t, len(snapshots) >= 1, true, "not snapshots found")
found = false
for _, snapshot := range snapshots {
if snapshot.AppName == appName {
found = true
}
}
assert.True(t, found, "not the right snapshot found")
// Restore snapshot
err = snapshotProcessor.RestoreSnapshot(snapshotName, appName)
assert.Nil(t, err)
_, err = os.Stat(path.Join(snapshotProcessor.AppsPath, appName, "a_file.txt"))
assert.Equal(t, os.IsNotExist(err), false)
}

6
common/config.go
View File

@ -15,6 +15,12 @@ type Config struct {
NATSURL string `envconfig:"NATS_URL" required:"true"`
NATSAlias string `envconfig:"NATS_ALIAS" required:"true"` // name/alias of the instance, ex. node-18
DatabasePath string `envconfig:"DATABASE_PATH" default:"/var/lib/node-api/rosti.db"`
SnapshotsPath string `envconfig:"SNAPSHOTS_PATH" default:"/mnt/apps/snapshots"` // snapshots path
SnapshotsS3AccessKey string `envconfig:"SNAPSHOTS_S3_ACCESS_KEY" required:"false"`
SnapshotsS3SecretKey string `envconfig:"SNAPSHOTS_S3_SECRET_KEY" required:"false"`
SnapshotsS3Endpoint string `envconfig:"SNAPSHOTS_S3_ENDPOINT" required:"false"`
SnapshotsS3SSL bool `envconfig:"SNAPSHOTS_S3_SSL" required:"false" default:"true"`
SnapshotsS3Bucket string `envconfig:"SNAPSHOTS_S3_BUCKET" required:"false" default:"snapshots"`
}
// GetConfig return configuration created based on environment variables

10
go.mod
View File

@ -11,14 +11,18 @@ require (
github.com/docker/go-units v0.4.0 // indirect
github.com/go-ole/go-ole v1.2.5 // indirect
github.com/gobuffalo/packr v1.30.1
github.com/golang/protobuf v1.5.2 // indirect
github.com/jinzhu/gorm v1.9.14
github.com/kelseyhightower/envconfig v1.4.0
github.com/labstack/echo v3.3.10+incompatible
github.com/labstack/gommon v0.3.0 // indirect
github.com/nats-io/nats.go v1.10.0
github.com/mholt/archiver/v3 v3.5.0
github.com/minio/minio-go/v7 v7.0.14
github.com/nats-io/nats-server/v2 v2.6.1 // indirect
github.com/nats-io/nats.go v1.12.3
github.com/opencontainers/go-digest v1.0.0 // indirect
github.com/pkg/errors v0.9.1
github.com/satori/go.uuid v1.2.0
github.com/shirou/gopsutil v2.20.6+incompatible
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9 // indirect
github.com/stretchr/testify v1.4.0
google.golang.org/protobuf v1.27.1 // indirect
)

255
go.sum
View File

@ -1,21 +1,11 @@
github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
github.com/KyleBanks/depth v1.2.1 h1:5h8fQADFrWtarTdtDudMmGsC7GPbOAu6RVB3ffsVFHc=
github.com/KyleBanks/depth v1.2.1/go.mod h1:jzSb9d0L43HxTQfT+oSA1EEp2q+ne2uh6XgeJcm8brE=
github.com/Microsoft/go-winio v0.4.14 h1:+hMXMk01us9KgxGb7ftKQt2Xpf5hH/yky+TDA+qxleU=
github.com/Microsoft/go-winio v0.4.14/go.mod h1:qXqCSQ3Xa7+6tgxaGTIe4Kpcdsi+P8jBhyzoq1bpyYA=
github.com/Microsoft/go-winio v0.4.18 h1:yjwCO1nhWEShaA5qsmPOBzAOjRCa2PRLsDNZ5yBWXpg=
github.com/Microsoft/go-winio v0.4.18/go.mod h1:JPGBdM1cNvN/6ISo+n8V5iA4v8pBzdOpzfwIujj1a84=
github.com/PuerkitoBio/goquery v1.5.1/go.mod h1:GsLWisAFVj4WgDibEWF4pvYnkVQBpKBKeU+7zCJoLcc=
github.com/PuerkitoBio/purell v1.1.0/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
github.com/PuerkitoBio/purell v1.1.1 h1:WEQqlqaGbrPkxLJWfBwQmfEAE1Z7ONdDLqrN38tNFfI=
github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 h1:d+Bc7a5rLufV/sSk/8dngufqelfh6jnri85riMAaF/M=
github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
github.com/StackExchange/wmi v0.0.0-20190523213315-cbe66965904d h1:G0m3OIz70MZUWq3EgK3CesDbo8upS2Vm9/P3FtgI+Jk=
github.com/StackExchange/wmi v0.0.0-20190523213315-cbe66965904d/go.mod h1:3eOhrUMpNV+6aFIbp5/iudMxNCF27Vw2OZgy4xEx0Fg=
github.com/StackExchange/wmi v0.0.0-20210224194228-fe8f1750fd46 h1:5sXbqlSomvdjlRbWyNqkPsJ3Fg+tQZCbgeX1VGljbQY=
github.com/StackExchange/wmi v0.0.0-20210224194228-fe8f1750fd46/go.mod h1:3eOhrUMpNV+6aFIbp5/iudMxNCF27Vw2OZgy4xEx0Fg=
github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
github.com/andybalholm/brotli v1.0.0 h1:7UCwP93aiSfvWpapti8g88vVVGp2qqtGyePsSuDafo4=
github.com/andybalholm/brotli v1.0.0/go.mod h1:loMXtMfwqflxFJPmdbJO0a3KNoPuLBgiu3qAvBg8x/Y=
github.com/andybalholm/cascadia v1.1.0/go.mod h1:GsXiBklL0woXo1j/WYWtSYYC4ouU9PqHO0sqidkEA4Y=
github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
@ -23,9 +13,10 @@ github.com/coreos/go-etcd v2.0.0+incompatible/go.mod h1:Jez6KQU2B/sWsbdaef3ED8Nz
github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
github.com/cpuguy83/go-md2man v1.0.10/go.mod h1:SmD6nW6nTyfqj6ABTjUi3V3JVMnlJmwcJI5acqYI6dE=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/denisenkom/go-mssqldb v0.0.0-20191124224453-732737034ffd h1:83Wprp6ROGeiHFAP8WJdI2RoxALQYgdllERc3N5N2DM=
github.com/denisenkom/go-mssqldb v0.0.0-20191124224453-732737034ffd/go.mod h1:xbL0rPBG9cCiLr28tMa8zpbdarY27NDyej4t/EjAShU=
github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
github.com/docker/distribution v2.7.1+incompatible h1:a5mlkVzth6W5A4fOsS3D2EO5BUmsJpcB+cRlLU7cSug=
github.com/docker/distribution v2.7.1+incompatible/go.mod h1:J2gT2udsDAN96Uj4KfcMRqY0/ypR+oyYUYmja8H+y+w=
github.com/docker/docker v1.13.1 h1:IkZjBSIc8hBjLpqeAbeE5mca5mNgeatLHBy3GO78BWo=
@ -34,35 +25,17 @@ github.com/docker/go-connections v0.4.0 h1:El9xVISelRB7BuFusrZozjnkIM5YnzCViNKoh
github.com/docker/go-connections v0.4.0/go.mod h1:Gbd7IOopHjR8Iph03tsViu4nIes5XhDvyHbTtUxmeec=
github.com/docker/go-units v0.4.0 h1:3uh0PgVws3nIA0Q+MwDC8yjEPf9zjRfZZWXZYDct3Tw=
github.com/docker/go-units v0.4.0/go.mod h1:fgPhTUdO+D/Jk86RDLlptpiXQzgHJF7gydDDbaIK4Dk=
github.com/dsnet/compress v0.0.1 h1:PlZu0n3Tuv04TzpfPbrnI0HW/YwodEXDS+oPKahKF0Q=
github.com/dsnet/compress v0.0.1/go.mod h1:Aw8dCMJ7RioblQeTqt88akK31OvO8Dhf5JflhBbQEHo=
github.com/dsnet/golib v0.0.0-20171103203638-1ea166775780/go.mod h1:Lj+Z9rebOhdfkVLjJ8T6VcRQv3SXugXy999NBtR9aFY=
github.com/dustin/go-humanize v1.0.0 h1:VSnTsYCnlFHaM2/igO1h6X3HA71jcobQuxemgkq4zYo=
github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
github.com/erikstmartin/go-testdb v0.0.0-20160219214506-8d10e4a1bae5 h1:Yzb9+7DPaBjB8zlTR87/ElzFsnQfuHnVUVqpZZIcV5Y=
github.com/erikstmartin/go-testdb v0.0.0-20160219214506-8d10e4a1bae5/go.mod h1:a2zkGnVExMxdzMo3M0Hi/3sEU+cWnZpSni0O6/Yb/P0=
github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
github.com/gin-contrib/gzip v0.0.1/go.mod h1:fGBJBCdt6qCZuCAOwWuFhBB4OOq9EFqlo5dEaFhhu5w=
github.com/gin-contrib/sse v0.0.0-20170109093832-22d885f9ecc7/go.mod h1:VJ0WA2NBN22VlZ2dKZQPAPnyWw5XTlK1KymzLKsr59s=
github.com/gin-contrib/sse v0.0.0-20190301062529-5545eab6dad3/go.mod h1:VJ0WA2NBN22VlZ2dKZQPAPnyWw5XTlK1KymzLKsr59s=
github.com/gin-contrib/sse v0.1.0/go.mod h1:RHrZQHXnP2xjPF+u1gW/2HnVO7nvIa9PG3Gm+fLHvGI=
github.com/gin-gonic/gin v1.3.0/go.mod h1:7cKuhb5qV2ggCFctp2fJQ+ErvciLZrIeoOSOm6mUr7Y=
github.com/gin-gonic/gin v1.4.0/go.mod h1:OW2EZn3DO8Ln9oIKOvM++LBO+5UPHJJDH72/q/3rZdM=
github.com/go-ole/go-ole v1.2.4 h1:nNBDSCOigTSiarFpYE9J/KtEA1IOW4CNeqT9TQDqCxI=
github.com/go-ole/go-ole v1.2.4/go.mod h1:XCwSNxSkXRo4vlyPy93sltvi/qJq0jqQhjqQNIwKuxM=
github.com/go-ole/go-ole v1.2.5 h1:t4MGB5xEDZvXI+0rMjjsfBsD7yAgp/s9ZDkL1JndXwY=
github.com/go-ole/go-ole v1.2.5/go.mod h1:pprOEPIfldk/42T2oK7lQ4v4JSDwmV0As9GaiUsvbm0=
github.com/go-openapi/jsonpointer v0.17.0/go.mod h1:cOnomiV+CVVwFLk0A/MExoFMjwdsUdVpsRhURCKh+3M=
github.com/go-openapi/jsonpointer v0.19.2/go.mod h1:3akKfEdA7DF1sugOqz1dVQHBcuDBPKZGEoHC/NkiQRg=
github.com/go-openapi/jsonpointer v0.19.3 h1:gihV7YNZK1iK6Tgwwsxo2rJbD1GTbdm72325Bq8FI3w=
github.com/go-openapi/jsonpointer v0.19.3/go.mod h1:Pl9vOtqEWErmShwVjC8pYs9cog34VGT37dQOVbmoatg=
github.com/go-openapi/jsonreference v0.17.0/go.mod h1:g4xxGn04lDIRh0GJb5QlpE3HfopLOL6uZrK/VgnsK9I=
github.com/go-openapi/jsonreference v0.19.0/go.mod h1:g4xxGn04lDIRh0GJb5QlpE3HfopLOL6uZrK/VgnsK9I=
github.com/go-openapi/jsonreference v0.19.2/go.mod h1:jMjeRr2HHw6nAVajTXJ4eiUwohSTlpa0o73RUL1owJc=
github.com/go-openapi/jsonreference v0.19.3 h1:5cxNfTy0UVC3X8JL5ymxzyoUZmo8iZb+jeTWn7tUa8o=
github.com/go-openapi/jsonreference v0.19.3/go.mod h1:rjx6GuL8TTa9VaixXglHmQmIL98+wF9xc8zWvFonSJ8=
github.com/go-openapi/spec v0.19.0/go.mod h1:XkF/MOi14NmjsfZ8VtAKf8pIlbZzyoTvZsdfssdxcBI=
github.com/go-openapi/spec v0.19.4 h1:ixzUSnHTd6hCemgtAJgluaTSGYpLNpJY4mA2DIkdOAo=
github.com/go-openapi/spec v0.19.4/go.mod h1:FpwSN1ksY1eteniUU7X0N/BgJ7a4WvBFVA8Lj9mJglo=
github.com/go-openapi/swag v0.17.0/go.mod h1:AByQ+nYG6gQg71GINrmuDXCPWdL640yX49/kXLo40Tg=
github.com/go-openapi/swag v0.19.2/go.mod h1:POnQmlKehdgb5mhVOsnJFsivZCEZ/vjK9gh66Z9tfKk=
github.com/go-openapi/swag v0.19.5 h1:lTz6Ys4CmqqCQmZPBlbQENR1/GucA2bzYTE12Pw4tFY=
github.com/go-openapi/swag v0.19.5/go.mod h1:POnQmlKehdgb5mhVOsnJFsivZCEZ/vjK9gh66Z9tfKk=
github.com/go-sql-driver/mysql v1.5.0 h1:ozyZYNQW3x3HtqT1jira07DN2PArx2v7/mN66gGcHOs=
github.com/go-sql-driver/mysql v1.5.0/go.mod h1:DCzpHaOWr8IXmIStZouvnhqoel9Qv2LBy8hT2VhHyBg=
github.com/gobuffalo/envy v1.7.0 h1:GlXgaiBkmrYMHco6t4j7SacKO4XUjvh5pwXh0f4uxXU=
github.com/gobuffalo/envy v1.7.0/go.mod h1:n7DRkBerg/aorDM8kbduw5dN3oXGswK5liaSCx4T5NI=
@ -72,88 +45,137 @@ github.com/gobuffalo/packd v0.3.0/go.mod h1:zC7QkmNkYVGKPw4tHpBQ+ml7W/3tIebgeo1b
github.com/gobuffalo/packr v1.30.1 h1:hu1fuVR3fXEZR7rXNW3h8rqSML8EVAf6KNm0NKO/wKg=
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github.com/golang-sql/civil v0.0.0-20190719163853-cb61b32ac6fe/go.mod h1:8vg3r2VgvsThLBIFL93Qb5yWzgyZWhEmBwUJWevAkK0=
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github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
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github.com/jinzhu/now v1.0.1 h1:HjfetcXq097iXP0uoPCdnM4Efp5/9MsM0/M+XOTeR3M=
github.com/jinzhu/now v1.0.1/go.mod h1:d3SSVoowX0Lcu0IBviAWJpolVfI5UJVZZ7cO71lE/z8=
github.com/joho/godotenv v1.3.0 h1:Zjp+RcGpHhGlrMbJzXTrZZPrWj+1vfm90La1wgB6Bhc=
github.com/joho/godotenv v1.3.0/go.mod h1:7hK45KPybAkOC6peb+G5yklZfMxEjkZhHbwpqxOKXbg=
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github.com/karrick/godirwalk v1.10.12/go.mod h1:RoGL9dQei4vP9ilrpETWE8CLOZ1kiN0LhBygSwrAsHA=
github.com/kelseyhightower/envconfig v1.4.0 h1:Im6hONhd3pLkfDFsbRgu68RDNkGF1r3dvMUtDTo2cv8=
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github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
github.com/labstack/echo v1.4.4 h1:1bEiBNeGSUKxcPDGfZ/7IgdhJJZx8wV/pICJh4W2NJI=
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github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU=
github.com/mattn/go-colorable v0.1.0/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU=
github.com/mattn/go-colorable v0.1.2 h1:/bC9yWikZXAL9uJdulbSfyVNIR3n3trXl+v8+1sx8mU=
github.com/mattn/go-colorable v0.1.2/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVcfRqFIhoBtE=
github.com/mattn/go-isatty v0.0.4/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
github.com/mattn/go-isatty v0.0.7/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s=
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github.com/mattn/go-isatty v0.0.9 h1:d5US/mDsogSGW37IV293h//ZFaeajb69h+EHFsv2xGg=
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github.com/mholt/archiver/v3 v3.5.0 h1:nE8gZIrw66cu4osS/U7UW7YDuGMHssxKutU8IfWxwWE=
github.com/mholt/archiver/v3 v3.5.0/go.mod h1:qqTTPUK/HZPFgFQ/TJ3BzvTpF/dPtFVJXdQbCmeMxwc=
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github.com/minio/sha256-simd v0.1.1/go.mod h1:B5e1o+1/KgNmWrSQK08Y6Z1Vb5pwIktudl0J58iy0KM=
github.com/mitchellh/go-homedir v1.1.0 h1:lukF9ziXFxDFPkA1vsr5zpc1XuPDn/wFntq5mG+4E0Y=
github.com/mitchellh/go-homedir v1.1.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
github.com/mitchellh/mapstructure v1.1.2/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
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github.com/nats-io/nats.go v1.12.3 h1:te0GLbRsjtejEkZKKiuk46tbfIn6FfCSv3WWSo1+51E=
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github.com/nats-io/nkeys v0.2.0/go.mod h1:XdZpAbhgyyODYqjTawOnIOI7VlbKSarI9Gfy1tqEu/s=
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github.com/nats-io/nkeys v0.3.0/go.mod h1:gvUNGjVcM2IPr5rCsRsC6Wb3Hr2CQAm08dsxtV6A5y4=
github.com/nats-io/nuid v1.0.1 h1:5iA8DT8V7q8WK2EScv2padNa/rTESc1KdnPw4TC2paw=
github.com/nats-io/nuid v1.0.1/go.mod h1:19wcPz3Ph3q0Jbyiqsd0kePYG7A95tJPxeL+1OSON2c=
github.com/nwaples/rardecode v1.1.0 h1:vSxaY8vQhOcVr4mm5e8XllHWTiM4JF507A0Katqw7MQ=
github.com/nwaples/rardecode v1.1.0/go.mod h1:5DzqNKiOdpKKBH87u8VlvAnPZMXcGRhxWkRpHbbfGS0=
github.com/opencontainers/go-digest v1.0.0 h1:apOUWs51W5PlhuyGyz9FCeeBIOUDA/6nW8Oi/yOhh5U=
github.com/opencontainers/go-digest v1.0.0/go.mod h1:0JzlMkj0TRzQZfJkVvzbP0HBR3IKzErnv2BNG4W4MAM=
github.com/pelletier/go-toml v1.2.0/go.mod h1:5z9KED0ma1S8pY6P1sdut58dfprrGBbd/94hg7ilaic=
github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
github.com/pierrec/lz4/v4 v4.0.3 h1:vNQKSVZNYUEAvRY9FaUXAF1XPbSOHJtDTiP41kzDz2E=
github.com/pierrec/lz4/v4 v4.0.3/go.mod h1:gZWDp/Ze/IJXGXf23ltt2EXimqmTUXEy0GFuRQyBid4=
github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/rogpeppe/go-internal v1.1.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
github.com/rogpeppe/go-internal v1.3.0 h1:RR9dF3JtopPvtkroDZuVD7qquD0bnHlKSqaQhgwt8yk=
github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
github.com/rs/xid v1.2.1 h1:mhH9Nq+C1fY2l1XIpgxIiUOfNpRBYH1kKcr+qfKgjRc=
github.com/rs/xid v1.2.1/go.mod h1:+uKXf+4Djp6Md1KODXJxgGQPKngRmWyn10oCKFzNHOQ=
github.com/russross/blackfriday v1.5.2/go.mod h1:JO/DiYxRf+HjHt06OyowR9PTA263kcR/rfWxYHBV53g=
github.com/satori/go.uuid v1.2.0 h1:0uYX9dsZ2yD7q2RtLRtPSdGDWzjeM3TbMJP9utgA0ww=
github.com/satori/go.uuid v1.2.0/go.mod h1:dA0hQrYB0VpLJoorglMZABFdXlWrHn1NEOzdhQKdks0=
github.com/shirou/gopsutil v2.20.6+incompatible h1:P37G9YH8M4vqkKcwBosp+URN5O8Tay67D2MbR361ioY=
github.com/shirou/gopsutil v2.20.6+incompatible/go.mod h1:5b4v6he4MtMOwMlS0TUMTu2PcXUg8+E1lC7eC3UO/RA=
github.com/sirupsen/logrus v1.4.1/go.mod h1:ni0Sbl8bgC9z8RoU9G6nDWqqs/fq4eDPysMBDgk/93Q=
github.com/sirupsen/logrus v1.4.2/go.mod h1:tLMulIdttU9McNUspp0xgXVQah82FyeX6MwdIuYE2rE=
github.com/sirupsen/logrus v1.7.0/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0=
github.com/sirupsen/logrus v1.8.1 h1:dJKuHgqk1NNQlqoA6BTlM1Wf9DOH3NBjQyu0h9+AZZE=
github.com/sirupsen/logrus v1.8.1/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0=
github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d h1:zE9ykElWQ6/NYmHa3jpm/yHnI4xSofP+UP6SpjHcSeM=
github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc=
github.com/smartystreets/goconvey v1.6.4 h1:fv0U8FUIMPNf1L9lnHLvLhgicrIVChEkdzIKYqbNC9s=
github.com/smartystreets/goconvey v1.6.4/go.mod h1:syvi0/a8iFYH4r/RixwvyeAJjdLS9QV7WQ/tjFTllLA=
github.com/spf13/afero v1.1.2/go.mod h1:j4pytiNVoe2o6bmDsKpLACNPDBIoEAkihy7loJ1B0CQ=
github.com/spf13/cast v1.3.0/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
github.com/spf13/cobra v0.0.5/go.mod h1:3K3wKZymM7VvHMDS9+Akkh4K60UwM26emMESw8tLCHU=
@ -162,96 +184,85 @@ github.com/spf13/pflag v1.0.3/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnIn
github.com/spf13/viper v1.3.2/go.mod h1:ZiWeW+zYFKm7srdB9IoDzzZXaJaI5eL9QjNiN/DMA2s=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/objx v0.2.0/go.mod h1:qt09Ya8vawLte6SNmTgCsAVtYtaKzEcn8ATUoHMkEqE=
github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
github.com/swaggo/echo-swagger v1.0.0 h1:ppQFt6Am3/MHIUmTpZOwi4gggMZ/W9zmKP4Z9ahTe5c=
github.com/swaggo/echo-swagger v1.0.0/go.mod h1:Vnz3c2TGeFpoZPSV3CkWCrvyfU0016Gq/S0j4JspQnM=
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github.com/swaggo/files v0.0.0-20190704085106-630677cd5c14/go.mod h1:gxQT6pBGRuIGunNf/+tSOB5OHvguWi8Tbt82WOkf35E=
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github.com/swaggo/swag v1.5.1/go.mod h1:1Bl9F/ZBpVWh22nY0zmYyASPO1lI/zIwRDrpZU+tv8Y=
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github.com/ugorji/go/codec v1.1.5-pre/go.mod h1:tULtS6Gy1AE1yCENaw4Vb//HLH5njI2tfCQDUqRd8fI=
github.com/urfave/cli v1.20.0/go.mod h1:70zkFmudgCuE/ngEzBv17Jvp/497gISqfk5gWijbERA=
github.com/ulikunitz/xz v0.5.6/go.mod h1:2bypXElzHzzJZwzH67Y6wb67pO62Rzfn7BSiF4ABRW8=
github.com/ulikunitz/xz v0.5.7 h1:YvTNdFzX6+W5m9msiYg/zpkSURPPtOlzbqYjrFn7Yt4=
github.com/ulikunitz/xz v0.5.7/go.mod h1:nbz6k7qbPmH4IRqmfOplQw/tblSgqTqBwxkY0oWt/14=
github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6KllzawFIhcdPw=
github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc=
github.com/valyala/fasttemplate v0.0.0-20170224212429-dcecefd839c4/go.mod h1:50wTf68f99/Zt14pr046Tgt3Lp2vLyFZKzbFXTOabXw=
github.com/valyala/fasttemplate v1.0.1 h1:tY9CJiPnMXf1ERmG2EyK7gNUd+c6RKGD0IfU8WdUSz8=
github.com/valyala/fasttemplate v1.0.1/go.mod h1:UQGH1tvbgY+Nz5t2n7tXsz52dQxojPUpymEIMZ47gx8=
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golang.org/x/crypto v0.0.0-20190621222207-cc06ce4a13d4/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
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golang.org/x/sys v0.0.0-20190507160741-ecd444e8653b/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20190515120540-06a5c4944438/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd h1:xhmwyvizuTgC2qz7ZlMluP20uW+C3Rm0FD/WLDX8884=
golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c h1:VwygUrnw9jn88c4u8GD3rZQbqrP/tgas88tPUbBxQrk=
golang.org/x/sys v0.0.0-20200625212154-ddb9806d33ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1 h1:SrN+KX8Art/Sf4HNj6Zcz06G7VEz+7w9tdXTPOZ7+l4=
golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
golang.org/x/text v0.3.3 h1:cokOdA+Jmi5PJGXLlLllQSgYigAEfHXJAERHVMaCc2k=
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/time v0.0.0-20200416051211-89c76fbcd5d1 h1:NusfzzA6yGQ+ua51ck7E3omNUX/JuqbFSaRGqU8CcLI=
golang.org/x/time v0.0.0-20200416051211-89c76fbcd5d1/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20190606050223-4d9ae51c2468/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
golang.org/x/tools v0.0.0-20190611222205-d73e1c7e250b/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
golang.org/x/tools v0.0.0-20190614205625-5aca471b1d59/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
golang.org/x/tools v0.0.0-20190328211700-ab21143f2384/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
golang.org/x/tools v0.0.0-20190624180213-70d37148ca0c/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
golang.org/x/tools v0.0.0-20191205060818-73c7173a9f7d h1:HjXQhd1u/svlhQb0V71w0I7RKZAI5Vd1lp/4FscZcJ4=
golang.org/x/tools v0.0.0-20191205060818-73c7173a9f7d/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
google.golang.org/protobuf v1.27.1 h1:SnqbnDw1V7RiZcXPx5MEeqPv2s79L9i7BJUlG/+RurQ=
google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
gopkg.in/go-playground/assert.v1 v1.2.1/go.mod h1:9RXL0bg/zibRAgZUYszZSwO/z8Y/a8bDuhia5mkpMnE=
gopkg.in/go-playground/validator.v8 v8.18.2/go.mod h1:RX2a/7Ha8BgOhfk7j780h4/u/RRjR0eouCJSH80/M2Y=
gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/ini.v1 v1.57.0 h1:9unxIsFcTt4I55uWluz+UmL95q4kdJ0buvQ1ZIqVQww=
gopkg.in/ini.v1 v1.57.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.7 h1:VUgggvou5XRW9mHwD/yXxIYSMtY0zoKQf/v226p2nyo=
gopkg.in/yaml.v2 v2.2.7/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=

83
handlers.go
View File

@ -9,6 +9,7 @@ import (
"github.com/labstack/echo"
"github.com/rosti-cz/node-api/apps"
"github.com/rosti-cz/node-api/common"
"github.com/rosti-cz/node-api/docker"
"github.com/rosti-cz/node-api/node"
)
@ -25,7 +26,10 @@ func listAppsHandler(c echo.Context) error {
return c.JSONPretty(http.StatusInternalServerError, Message{Message: err.Error()}, JSONIndent)
}
applications, err := apps.List()
processor := apps.AppsProcessor{
DB: common.GetDBConnection(),
}
applications, err := processor.List()
if err != nil {
return c.JSONPretty(http.StatusInternalServerError, Message{Message: err.Error()}, JSONIndent)
@ -43,7 +47,10 @@ func getAppHandler(c echo.Context) error {
return c.JSONPretty(http.StatusInternalServerError, Message{Message: err.Error()}, JSONIndent)
}
app, err := apps.Get(name)
processor := apps.AppsProcessor{
DB: common.GetDBConnection(),
}
app, err := processor.Get(name)
if err != nil {
return c.JSONPretty(http.StatusInternalServerError, Message{Message: err.Error()}, JSONIndent)
}
@ -62,7 +69,10 @@ func createAppHandler(c echo.Context) error {
return c.JSONPretty(http.StatusBadRequest, Message{Message: err.Error()}, JSONIndent)
}
err = apps.New(app.Name, app.SSHPort, app.HTTPPort, app.Image, app.CPU, app.Memory)
processor := apps.AppsProcessor{
DB: common.GetDBConnection(),
}
err = processor.New(app.Name, app.SSHPort, app.HTTPPort, app.Image, app.CPU, app.Memory)
if err != nil {
if validationError, ok := err.(apps.ValidationError); ok {
return c.JSONPretty(http.StatusBadRequest, Message{Errors: validationError.Errors}, JSONIndent)
@ -99,7 +109,10 @@ func updateAppHandler(c echo.Context) error {
return c.JSONPretty(http.StatusBadRequest, Message{Message: err.Error()}, JSONIndent)
}
appPointer, err := apps.Update(name, app.SSHPort, app.HTTPPort, app.Image, app.CPU, app.Memory)
processor := apps.AppsProcessor{
DB: common.GetDBConnection(),
}
appPointer, err := processor.Update(name, app.SSHPort, app.HTTPPort, app.Image, app.CPU, app.Memory)
if err != nil {
if validationError, ok := err.(apps.ValidationError); ok {
return c.JSONPretty(http.StatusBadRequest, Message{Errors: validationError.Errors}, JSONIndent)
@ -139,7 +152,10 @@ func updateAppHandler(c echo.Context) error {
func stopAppHandler(c echo.Context) error {
name := c.Param("name")
app, err := apps.Get(name)
processor := apps.AppsProcessor{
DB: common.GetDBConnection(),
}
app, err := processor.Get(name)
if err != nil {
return c.JSONPretty(http.StatusInternalServerError, Message{Message: err.Error()}, JSONIndent)
}
@ -168,7 +184,10 @@ func stopAppHandler(c echo.Context) error {
func startAppHandler(c echo.Context) error {
name := c.Param("name")
app, err := apps.Get(name)
processor := apps.AppsProcessor{
DB: common.GetDBConnection(),
}
app, err := processor.Get(name)
if err != nil {
return c.JSONPretty(http.StatusInternalServerError, Message{Message: err.Error()}, JSONIndent)
}
@ -200,7 +219,10 @@ func startAppHandler(c echo.Context) error {
func restartAppHandler(c echo.Context) error {
name := c.Param("name")
app, err := apps.Get(name)
processor := apps.AppsProcessor{
DB: common.GetDBConnection(),
}
app, err := processor.Get(name)
if err != nil {
return c.JSONPretty(http.StatusInternalServerError, Message{Message: err.Error()}, JSONIndent)
}
@ -227,7 +249,10 @@ func setPasswordHandler(c echo.Context) error {
return c.JSONPretty(http.StatusInternalServerError, Message{Message: err.Error()}, JSONIndent)
}
app, err := apps.Get(name)
processor := apps.AppsProcessor{
DB: common.GetDBConnection(),
}
app, err := processor.Get(name)
if err != nil {
return c.JSONPretty(http.StatusInternalServerError, Message{Message: err.Error()}, JSONIndent)
}
@ -253,7 +278,10 @@ func setKeysHandler(c echo.Context) error {
return c.JSONPretty(http.StatusInternalServerError, Message{Message: err.Error()}, JSONIndent)
}
app, err := apps.Get(name)
processor := apps.AppsProcessor{
DB: common.GetDBConnection(),
}
app, err := processor.Get(name)
if err != nil {
return c.JSONPretty(http.StatusInternalServerError, Message{Message: err.Error()}, JSONIndent)
}
@ -279,7 +307,10 @@ func setServicesHandler(c echo.Context) error {
return c.JSONPretty(http.StatusBadRequest, Message{Message: err.Error()}, JSONIndent)
}
app, err := apps.Get(name)
processor := apps.AppsProcessor{
DB: common.GetDBConnection(),
}
app, err := processor.Get(name)
if err != nil {
return c.JSONPretty(http.StatusInternalServerError, Message{Message: err.Error()}, JSONIndent)
}
@ -344,7 +375,10 @@ func setServicesHandler(c echo.Context) error {
func rebuildAppHandler(c echo.Context) error {
name := c.Param("name")
app, err := apps.Get(name)
processor := apps.AppsProcessor{
DB: common.GetDBConnection(),
}
app, err := processor.Get(name)
if err != nil {
return c.JSONPretty(http.StatusInternalServerError, Message{Message: err.Error()}, JSONIndent)
}
@ -385,7 +419,10 @@ func addLabelHandler(c echo.Context) error {
return c.JSONPretty(http.StatusBadRequest, Message{Message: err.Error()}, JSONIndent)
}
err = apps.AddLabel(name, label.Value)
processor := apps.AppsProcessor{
DB: common.GetDBConnection(),
}
err = processor.AddLabel(name, label.Value)
if err != nil {
return c.JSONPretty(http.StatusInternalServerError, Message{Message: err.Error()}, JSONIndent)
}
@ -403,7 +440,10 @@ func deleteLabelHandler(c echo.Context) error {
return c.JSONPretty(http.StatusBadRequest, Message{Message: err.Error()}, JSONIndent)
}
err = apps.RemoveLabel(name, label.Value)
processor := apps.AppsProcessor{
DB: common.GetDBConnection(),
}
err = processor.RemoveLabel(name, label.Value)
if err != nil {
return c.JSONPretty(http.StatusInternalServerError, Message{Message: err.Error()}, JSONIndent)
}
@ -416,7 +456,10 @@ func deleteLabelHandler(c echo.Context) error {
func deleteAppHandler(c echo.Context) error {
name := c.Param("name")
app, err := apps.Get(name)
processor := apps.AppsProcessor{
DB: common.GetDBConnection(),
}
app, err := processor.Get(name)
if err != nil {
return c.JSONPretty(http.StatusInternalServerError, Message{Message: err.Error()}, JSONIndent)
}
@ -438,7 +481,7 @@ func deleteAppHandler(c echo.Context) error {
}
}
err = apps.Delete(app.Name)
err = processor.Delete(app.Name)
if err != nil {
log.Println("ERROR delete application problem: " + err.Error())
}
@ -466,7 +509,10 @@ func getNodeInfoHandler(c echo.Context) error {
func getAppProcessesHandler(c echo.Context) error {
name := c.Param("name")
app, err := apps.Get(name)
processor := apps.AppsProcessor{
DB: common.GetDBConnection(),
}
app, err := processor.Get(name)
if err != nil {
return c.JSONPretty(http.StatusInternalServerError, Message{Message: err.Error()}, JSONIndent)
}
@ -506,7 +552,10 @@ func metricsHandler(c echo.Context) error {
metrics += fmt.Sprintf("rosti_node_memory_index{hostname=\"%s\"} %f\n", hostname, node.MemoryIndex)
metrics += fmt.Sprintf("rosti_node_sold_memory{hostname=\"%s\"} %d\n", hostname, node.SoldMemory)
apps, err := apps.List()
processor := apps.AppsProcessor{
DB: common.GetDBConnection(),
}
apps, err := processor.List()
if err != nil {
return c.JSONPretty(http.StatusInternalServerError, Message{Message: err.Error()}, JSONIndent)
}

384
handlers_nats.go
View File

@ -1,13 +1,27 @@
package main
/*
Message handling is pretty straightforward. When request is received it's
usually asynchronic and the client is not waiting for an reply. In this case
client writes down that something is happening here and when it's done publish()
function is used to notify everybody that it's done. Client usually listens to
this channel and it finish his part as it needs.
In case there is a reply we use NATS's responde() method to return the data
as soon as possible.
*/
import (
"encoding/json"
"fmt"
"log"
"strings"
"github.com/nats-io/nats.go"
"github.com/pkg/errors"
"github.com/rosti-cz/node-api/apps"
"github.com/rosti-cz/node-api/apps/drivers"
"github.com/rosti-cz/node-api/common"
"github.com/rosti-cz/node-api/docker"
"github.com/rosti-cz/node-api/node"
)
@ -45,6 +59,12 @@ func _messageHandler(m *nats.Msg) error {
"remove_label": removeLabelEventHandler,
"list_orphans": listOrphansEventHandler,
"node": getNoteEventHandler,
"create_snapshot": createSnapshotEventHandler,
"restore_from_snapshot": restoreFromSnapshotEventHandler,
"list_snapshots": listSnapshotsEventHandler,
"list_apps_snapshots": listAppsSnapshotsEventHandler,
"delete_snapshot": deleteSnapshotEventHandler,
"delete_app_snapshots": deleteAppSnapshotsEventHandler,
}
if eventHandler, ok := eventHandlerMap[message.Type]; ok {
@ -59,8 +79,6 @@ func _messageHandler(m *nats.Msg) error {
// Enable one of the supported technologies or services (python, node, redis, ...)
// Rebuilds existing app, it keeps the data but creates the container again
// Adds new label
// Removes existing label
// Orphans returns directories in /srv that doesn't match any hosted application
// Return info about the node including performance index
@ -77,7 +95,11 @@ func listEventHandler(m *nats.Msg, message *RequestMessage) error {
return errorReplyFormater(m, "backend error", err)
}
applications, err := apps.List()
processor := apps.AppsProcessor{
DB: common.GetDBConnection(),
}
processor.Init()
applications, err := processor.List()
if err != nil {
return errorReplyFormater(m, "backend error", err)
@ -108,7 +130,10 @@ func getEventHandler(m *nats.Msg, message *RequestMessage) error {
return errorReplyFormater(m, "backend error", err)
}
app, err := apps.Get(message.AppName)
processor := apps.AppsProcessor{
DB: common.GetDBConnection(),
}
app, err := processor.Get(message.AppName)
if err != nil {
return errorReplyFormater(m, "backend error", err)
}
@ -143,7 +168,10 @@ func createEventHandler(m *nats.Msg, message *RequestMessage) error {
return err
}
err = apps.New(message.AppName, appTemplate.SSHPort, appTemplate.HTTPPort, appTemplate.Image, appTemplate.CPU, appTemplate.Memory)
processor := apps.AppsProcessor{
DB: common.GetDBConnection(),
}
err = processor.New(message.AppName, appTemplate.SSHPort, appTemplate.HTTPPort, appTemplate.Image, appTemplate.CPU, appTemplate.Memory)
if err != nil {
if validationError, ok := err.(apps.ValidationError); ok {
log.Println("ERROR create application problem: " + validationError.Error())
@ -190,7 +218,10 @@ func registerEventHandler(m *nats.Msg, message *RequestMessage) error {
return err
}
err = apps.New(message.AppName, appTemplate.SSHPort, appTemplate.HTTPPort, appTemplate.Image, appTemplate.CPU, appTemplate.Memory)
processor := apps.AppsProcessor{
DB: common.GetDBConnection(),
}
err = processor.New(message.AppName, appTemplate.SSHPort, appTemplate.HTTPPort, appTemplate.Image, appTemplate.CPU, appTemplate.Memory)
if err != nil {
if validationError, ok := err.(apps.ValidationError); ok {
log.Println("ERROR create application problem: " + validationError.Error())
@ -218,7 +249,10 @@ func updateEventHandler(m *nats.Msg, message *RequestMessage) error {
return err
}
app, err := apps.Update(message.AppName, appTemplate.SSHPort, appTemplate.HTTPPort, appTemplate.Image, appTemplate.CPU, appTemplate.Memory)
processor := apps.AppsProcessor{
DB: common.GetDBConnection(),
}
app, err := processor.Update(message.AppName, appTemplate.SSHPort, appTemplate.HTTPPort, appTemplate.Image, appTemplate.CPU, appTemplate.Memory)
if err != nil {
if validationError, ok := err.(apps.ValidationError); ok {
log.Println("ERROR update application problem: " + validationError.Error())
@ -265,7 +299,10 @@ func updateEventHandler(m *nats.Msg, message *RequestMessage) error {
// Delete one app
func deleteEventHandler(m *nats.Msg, message *RequestMessage) error {
app, err := apps.Get(message.AppName)
processor := apps.AppsProcessor{
DB: common.GetDBConnection(),
}
app, err := processor.Get(message.AppName)
if err != nil {
log.Println("ERROR: delete app:", err.Error())
}
@ -299,7 +336,7 @@ func deleteEventHandler(m *nats.Msg, message *RequestMessage) error {
}
}
err = apps.Delete(app.Name)
err = processor.Delete(app.Name)
if err != nil {
log.Println("ERROR delete application problem: " + err.Error())
publish(app.Name, "backend problem", true)
@ -313,7 +350,10 @@ func deleteEventHandler(m *nats.Msg, message *RequestMessage) error {
// Stop existing app
func stopEventHandler(m *nats.Msg, message *RequestMessage) error {
app, err := apps.Get(message.AppName)
processor := apps.AppsProcessor{
DB: common.GetDBConnection(),
}
app, err := processor.Get(message.AppName)
if err != nil {
log.Println("ERROR stop application problem: " + err.Error())
publish(app.Name, "backend problem", true)
@ -348,7 +388,10 @@ func stopEventHandler(m *nats.Msg, message *RequestMessage) error {
// Start existing app
func startEventHandler(m *nats.Msg, message *RequestMessage) error {
app, err := apps.Get(message.AppName)
processor := apps.AppsProcessor{
DB: common.GetDBConnection(),
}
app, err := processor.Get(message.AppName)
if err != nil {
log.Println("ERROR start application problem: " + err.Error())
publish(app.Name, "backend problem", true)
@ -386,7 +429,10 @@ func startEventHandler(m *nats.Msg, message *RequestMessage) error {
// Restart existing app
func restartEventHandler(m *nats.Msg, message *RequestMessage) error {
app, err := apps.Get(message.AppName)
processor := apps.AppsProcessor{
DB: common.GetDBConnection(),
}
app, err := processor.Get(message.AppName)
if err != nil {
log.Println("ERROR restart application problem: " + err.Error())
publish(app.Name, "backend problem", true)
@ -420,7 +466,10 @@ func updateKeysEventHandler(m *nats.Msg, message *RequestMessage) error {
body := message.Payload
app, err := apps.Get(message.AppName)
processor := apps.AppsProcessor{
DB: common.GetDBConnection(),
}
app, err := processor.Get(message.AppName)
if err != nil {
log.Println("ERROR keys update problem: " + err.Error())
publish(app.Name, "backend problem", true)
@ -454,7 +503,10 @@ func setPasswordEventHandler(m *nats.Msg, message *RequestMessage) error {
password := message.Payload
app, err := apps.Get(message.AppName)
processor := apps.AppsProcessor{
DB: common.GetDBConnection(),
}
app, err := processor.Get(message.AppName)
if err != nil {
log.Println("ERROR password update problem: " + err.Error())
publish(app.Name, "backend problem", true)
@ -479,7 +531,10 @@ func setPasswordEventHandler(m *nats.Msg, message *RequestMessage) error {
// Application processes
func processesEventHandler(m *nats.Msg, message *RequestMessage) error {
app, err := apps.Get(message.AppName)
processor := apps.AppsProcessor{
DB: common.GetDBConnection(),
}
app, err := processor.Get(message.AppName)
if err != nil {
log.Println("ERROR processes list problem: " + err.Error())
publish(app.Name, "backend problem", true)
@ -527,7 +582,10 @@ func enableTechEventHandler(m *nats.Msg, message *RequestMessage) error {
return err
}
app, err := apps.Get(message.AppName)
processor := apps.AppsProcessor{
DB: common.GetDBConnection(),
}
app, err := processor.Get(message.AppName)
if err != nil {
log.Println("ERROR enable tech problem: " + err.Error())
publish(app.Name, "backend problem", true)
@ -552,7 +610,10 @@ func enableTechEventHandler(m *nats.Msg, message *RequestMessage) error {
// Rebuilds existing app, it keeps the data but creates the container again
func rebuildEventHandler(m *nats.Msg, message *RequestMessage) error {
app, err := apps.Get(message.AppName)
processor := apps.AppsProcessor{
DB: common.GetDBConnection(),
}
app, err := processor.Get(message.AppName)
if err != nil {
log.Println("ERROR rebuild app problem: " + err.Error())
publish(app.Name, "backend problem", true)
@ -597,7 +658,10 @@ func rebuildEventHandler(m *nats.Msg, message *RequestMessage) error {
func addLabelEventHandler(m *nats.Msg, message *RequestMessage) error {
label := message.Payload
err := apps.AddLabel(message.AppName, label)
processor := apps.AppsProcessor{
DB: common.GetDBConnection(),
}
err := processor.AddLabel(message.AppName, label)
if err != nil {
log.Println("ERROR add label problem: " + err.Error())
publish(message.AppName, "backend problem", true)
@ -613,7 +677,10 @@ func addLabelEventHandler(m *nats.Msg, message *RequestMessage) error {
func removeLabelEventHandler(m *nats.Msg, message *RequestMessage) error {
label := message.Payload
err := apps.RemoveLabel(message.AppName, label)
processor := apps.AppsProcessor{
DB: common.GetDBConnection(),
}
err := processor.RemoveLabel(message.AppName, label)
if err != nil {
log.Println("ERROR remove label problem: " + err.Error())
publish(message.AppName, "backend problem", true)
@ -647,7 +714,11 @@ func listOrphansEventHandler(m *nats.Msg, message *RequestMessage) error {
return nil
}
// Return info about the node including performance index
/*
getNoteEventHandler returns info about the node including performance index
*/
func getNoteEventHandler(m *nats.Msg, message *RequestMessage) error {
node, err := node.GetNodeInfo()
if err != nil {
@ -675,3 +746,276 @@ func getNoteEventHandler(m *nats.Msg, message *RequestMessage) error {
return nil
}
/*
createSnapshotEventHandler create snapshot of given application
Uses appName from the message struct
Payload: no payload needed
Response: notification when it's done or error
*/
func createSnapshotEventHandler(m *nats.Msg, message *RequestMessage) error {
processor := apps.SnapshotProcessor{
AppsPath: config.AppsPath,
TmpSnapshotPath: config.SnapshotsPath,
Driver: drivers.S3Driver{
S3AccessKey: config.SnapshotsS3AccessKey,
S3SecretKey: config.SnapshotsS3SecretKey,
S3Endpoint: config.SnapshotsS3Endpoint,
S3SSL: config.SnapshotsS3SSL,
Bucket: config.SnapshotsS3Bucket,
},
}
_, err := processor.CreateSnapshot(message.AppName, strings.Split(message.Payload, ","))
if err != nil {
log.Println("ERROR create snapshot error: " + err.Error())
publish(message.AppName, "backend problem", true)
return err
}
publish(message.AppName, "snapshot created", false)
return nil
}
/*
restoreFromSnapshotEventHandler restores app from a snapshot. The app has to exist
before it can be restored. Any snapshot can be used to restore any application.
Use labels to store information about what app should be created.
Uses appName from the message struct as the destination app where the data should
be restored
Payload: string with the snapshot name
Response: notification when it's done or error
*/
func restoreFromSnapshotEventHandler(m *nats.Msg, message *RequestMessage) error {
// Setup processors
snapshotProcessor := apps.SnapshotProcessor{
AppsPath: config.AppsPath,
TmpSnapshotPath: config.SnapshotsPath,
Driver: drivers.S3Driver{
S3AccessKey: config.SnapshotsS3AccessKey,
S3SecretKey: config.SnapshotsS3SecretKey,
S3Endpoint: config.SnapshotsS3Endpoint,
S3SSL: config.SnapshotsS3SSL,
Bucket: config.SnapshotsS3Bucket,
},
}
processor := apps.AppsProcessor{
DB: common.GetDBConnection(),
}
app, err := processor.Get(message.AppName)
if err != nil {
log.Println("ERROR restore snapshot problem: " + err.Error())
publish(app.Name, "backend problem", true)
return err
}
container := docker.Container{
App: app,
}
// Stop the container
status, err := container.Status()
if err != nil {
log.Println("ERROR restore snapshot problem: " + err.Error())
publish(app.Name, "backend problem", true)
return err
}
// Stop the container only when it exists
if status != "no-container" {
err = container.Stop()
if err != nil {
log.Println("ERROR restore snapshot problem: " + err.Error())
publish(app.Name, "backend problem", true)
return err
}
}
// Restore the data
err = snapshotProcessor.RestoreSnapshot(message.Payload, message.AppName)
if err != nil {
log.Println("ERROR restore snapshot error: " + err.Error())
publish(message.AppName, "backend problem", true)
return err
}
// Start the container
status, err = container.Status()
if err != nil {
return err
}
if status == "no-container" {
err = container.Create()
if err != nil {
log.Println("ERROR start application problem: " + err.Error())
publish(app.Name, "backend problem", true)
return err
}
}
err = container.Start()
if err != nil {
log.Println("ERROR start application problem: " + err.Error())
publish(app.Name, "backend problem", true)
return err
}
// notify clients that it's all done
publish(message.AppName, "snapshot restored", false)
return nil
}
/*
listSnapshotsEventHandler returns list of snapshots related to a single application
Uses appName from the message
Payload: no payload needed
Response: replies with list of snapshots or an error message
*/
func listSnapshotsEventHandler(m *nats.Msg, message *RequestMessage) error {
processor := apps.SnapshotProcessor{
AppsPath: config.AppsPath,
TmpSnapshotPath: config.SnapshotsPath,
Driver: drivers.S3Driver{
S3AccessKey: config.SnapshotsS3AccessKey,
S3SecretKey: config.SnapshotsS3SecretKey,
S3Endpoint: config.SnapshotsS3Endpoint,
S3SSL: config.SnapshotsS3SSL,
Bucket: config.SnapshotsS3Bucket,
},
}
snapshots, err := processor.ListAppSnapshots(message.AppName)
if err != nil {
return errorReplyFormater(m, "backend error", err)
}
reply := ReplyMessage{
Payload: snapshots,
}
data, err := json.Marshal(reply)
if err != nil {
return errorReplyFormater(m, "reply formatter error", err)
}
err = m.Respond(data)
if err != nil {
log.Println("ERROR: list of snapshots:", err.Error())
}
return nil
}
/*
listAppsSnapshotsEventHandler returns list of snapshots related to list of application names.
Payload: list of appNames separated by comma (no spaces)
Response: replies with list of snapshots or an error message
*/
func listAppsSnapshotsEventHandler(m *nats.Msg, message *RequestMessage) error {
processor := apps.SnapshotProcessor{
AppsPath: config.AppsPath,
TmpSnapshotPath: config.SnapshotsPath,
Driver: drivers.S3Driver{
S3AccessKey: config.SnapshotsS3AccessKey,
S3SecretKey: config.SnapshotsS3SecretKey,
S3Endpoint: config.SnapshotsS3Endpoint,
S3SSL: config.SnapshotsS3SSL,
Bucket: config.SnapshotsS3Bucket,
},
}
snapshots, err := processor.ListAppsSnapshots(strings.Split(message.Payload, ","))
if err != nil {
return errorReplyFormater(m, "backend error", err)
}
reply := ReplyMessage{
Payload: snapshots,
}
data, err := json.Marshal(reply)
if err != nil {
return errorReplyFormater(m, "reply formatter error", err)
}
err = m.Respond(data)
if err != nil {
log.Println("ERROR: list of snapshots:", err.Error())
}
return nil
}
/*
deleteSnapshotEventHandler delete a single snapshot. This is not bound to application name.
Payload: string with a snapshot name
Response: notification when it's done or error
*/
func deleteSnapshotEventHandler(m *nats.Msg, message *RequestMessage) error {
processor := apps.SnapshotProcessor{
AppsPath: config.AppsPath,
TmpSnapshotPath: config.SnapshotsPath,
Driver: drivers.S3Driver{
S3AccessKey: config.SnapshotsS3AccessKey,
S3SecretKey: config.SnapshotsS3SecretKey,
S3Endpoint: config.SnapshotsS3Endpoint,
S3SSL: config.SnapshotsS3SSL,
Bucket: config.SnapshotsS3Bucket,
},
}
err := processor.DeleteSnapshot(message.Payload)
if err != nil {
return errorReplyFormater(m, "backend error", err)
}
publish(message.AppName, "snapshot deleted", false)
return nil
}
/*
deleteAppSnapshotsEventHandler deletes all snapshots related to a single application
Uses appName from the message struct
Payload: no payload needed
Response: notification when it's done or error
*/
func deleteAppSnapshotsEventHandler(m *nats.Msg, message *RequestMessage) error {
processor := apps.SnapshotProcessor{
AppsPath: config.AppsPath,
TmpSnapshotPath: config.SnapshotsPath,
Driver: drivers.S3Driver{
S3AccessKey: config.SnapshotsS3AccessKey,
S3SecretKey: config.SnapshotsS3SecretKey,
S3Endpoint: config.SnapshotsS3Endpoint,
S3SSL: config.SnapshotsS3SSL,
Bucket: config.SnapshotsS3Bucket,
},
}
err := processor.DeleteAppSnapshots(message.AppName)
if err != nil {
return errorReplyFormater(m, "backend error", err)
}
publish(message.AppName, "snapshots deleted", false)
return nil
}

17
main.go
View File

@ -7,6 +7,7 @@ import (
"github.com/labstack/echo"
"github.com/nats-io/nats.go"
"github.com/rosti-cz/node-api/apps"
"github.com/rosti-cz/node-api/common"
"github.com/rosti-cz/node-api/node"
)
@ -28,6 +29,12 @@ func _init() {
if err != nil {
log.Fatalln(err)
}
// Database migrations
processor := apps.AppsProcessor{
DB: common.GetDBConnection(),
}
processor.Init()
}
func main() {
@ -138,5 +145,13 @@ func main() {
// Return info about the node including performance index
e.GET("/v1/node", getNodeInfoHandler)
e.Logger.Fatal(e.Start(":1323"))
err := e.Start(":1323")
// fmt.Println(err.Error())
// if strings.Contains(err.Error(), "SIGTERM") {
// e.Logger.Info(err)
// os.Exit(0)
// }
e.Logger.Fatal(err)
}

26
stats.go
View File

@ -4,12 +4,17 @@ import (
"log"
"github.com/rosti-cz/node-api/apps"
"github.com/rosti-cz/node-api/common"
"github.com/rosti-cz/node-api/docker"
)
// updateUsage updates various resource usage of the container/app in the database
func updateUsage(name string) error {
app, err := apps.Get(name)
processor := apps.AppsProcessor{
DB: common.GetDBConnection(),
}
app, err := processor.Get(name)
if err != nil {
return err
}
@ -23,7 +28,7 @@ func updateUsage(name string) error {
return err
}
err = apps.UpdateResources(
err = processor.UpdateResources(
name,
state.State,
state.CPUUsage,
@ -37,7 +42,10 @@ func updateUsage(name string) error {
// Updates only container's state
func updateState(name string) error {
app, err := apps.Get(name)
processor := apps.AppsProcessor{
DB: common.GetDBConnection(),
}
app, err := processor.Get(name)
if err != nil {
return err
}
@ -50,7 +58,7 @@ func updateState(name string) error {
return err
}
err = apps.UpdateState(
err = processor.UpdateState(
app.Name,
state,
)
@ -59,7 +67,10 @@ func updateState(name string) error {
// gatherStats loops over all applications and calls updateUsage to write various metric into the database.
func gatherStats() error {
appList, err := apps.List()
processor := apps.AppsProcessor{
DB: common.GetDBConnection(),
}
appList, err := processor.List()
if err != nil {
return err
}
@ -76,7 +87,10 @@ func gatherStats() error {
// gatherStates loops over all apps and updates their container state
func gatherStates() error {
appList, err := apps.List()
processor := apps.AppsProcessor{
DB: common.GetDBConnection(),
}
appList, err := processor.List()
if err != nil {
return err
}

7
tools.go
View File

@ -9,6 +9,7 @@ import (
"github.com/nats-io/nats.go"
"github.com/rosti-cz/node-api/apps"
"github.com/rosti-cz/node-api/common"
"github.com/rosti-cz/node-api/docker"
)
@ -58,6 +59,10 @@ func publish(appName string, state string, isErr bool) {
// It's used in some async calls that need at least part of the
// environment prepared.
func waitForApp(appName string) error {
processor := apps.AppsProcessor{
DB: common.GetDBConnection(),
}
sleepFor := 5 * time.Second
loops := 6
@ -68,7 +73,7 @@ func waitForApp(appName string) error {
continue
}
app, err := apps.Get(appName)
app, err := processor.Get(appName)
if err != nil {
return err
}