Rosti/node-api
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This commit is contained in:
Adam Štrauch 2020-07-09 00:09:19 +02:00
commit 837f629d8d
Signed by: cx
GPG key ID: 018304FFA8988F8D
10 changed files with 347 additions and 0 deletions
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3
.gitignore vendored Normal file
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rosti.db
apps-api
.history/

0
README.md Normal file
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87
apps/main.go Normal file
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package apps
import "github.com/rosti-cz/apps-api/common"
func init() {
db := common.GetDBConnection()
db.AutoMigrate(Label{})
db.AutoMigrate(App{})
}
// Get returns one app
func Get(name string) (*App, error) {
var app App
db := common.GetDBConnection()
err := db.First(&app).Where("name = ?", name).Error
if err != nil {
return nil, err
}
return &app, nil
}
// List returns all apps located on this node
func List() (*[]App, error) {
var apps []App
db := common.GetDBConnection()
err := db.Find(&apps).Error
if err != nil {
return nil, err
}
return &apps, nil
}
// New creates new record about application in the database
func New(name string, SSHPort int, HTTPPort int, image string, CPU string, memory int) error {
app := App{
Name: name,
SSHPort: SSHPort,
HTTPPort: HTTPPort,
Image: image,
CPU: CPU,
Memory: memory,
}
db := common.GetDBConnection()
if err := db.Create(app).Error; err != nil {
return err
}
return nil
}
// Update changes value about app in the database
func Update(name string, SSHPort int, HTTPPort int, image string, CPU string, memory int) error {
var app App
db := common.GetDBConnection()
err := db.First(&app).Where("name = ?", name).Error
if err != nil {
return err
}
err = db.Model(&app).Updates(App{
SSHPort: SSHPort,
HTTPPort: HTTPPort,
Image: image,
CPU: CPU,
Memory: memory,
}).Error
return err
}
// Delete removes records about one app from the database
func Delete(name string) error {
db := common.GetDBConnection()
err := db.Delete(App{}).Where("name = ?", name).Error
return err
}

26
apps/types.go Normal file
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package apps
import "github.com/jinzhu/gorm"
// Label holds metadata about the application
type Label struct {
Value string `json:"value"`
}
// App keeps info about hosted application
type App struct {
gorm.Model
Name string `json:"name" gorm:"primary_key"`
SSHPort int `json:"ssh_port"`
HTTPPort int `json:"http_port"`
Image string `json:"image"`
Status string `json:"status"` // running, data (no container, data only), stopped
CPU string `json:"cpu"`
Memory int `json:"memory"` // Limit in MB
Labels []Label `json:"labels"` // username:cx or user_id:1
MemoryUsage int `json:"memory_usage"` // Usage in MB
DiskUsage int `json:"disk_usage"` // Usage in MB
}

25
common/db.go Normal file
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package common
import (
"log"
"github.com/jinzhu/gorm"
// This is line from GORM documentation that imports database dialect
_ "github.com/jinzhu/gorm/dialects/sqlite"
)
var db *gorm.DB
func init() {
var err error
db, err = gorm.Open("sqlite3", "rosti.db")
if err != nil {
log.Fatalln(err)
}
}
// GetDBConnection returns opened connection to the database
func GetDBConnection() *gorm.DB {
return db
}

10
go.mod Normal file
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module github.com/rosti-cz/apps-api
go 1.14
require (
github.com/jinzhu/gorm v1.9.14
github.com/labstack/echo v3.3.10+incompatible
github.com/labstack/gommon v0.3.0 // indirect
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9 // indirect
)

56
go.sum Normal file
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github.com/PuerkitoBio/goquery v1.5.1/go.mod h1:GsLWisAFVj4WgDibEWF4pvYnkVQBpKBKeU+7zCJoLcc=
github.com/andybalholm/cascadia v1.1.0/go.mod h1:GsXiBklL0woXo1j/WYWtSYYC4ouU9PqHO0sqidkEA4Y=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/denisenkom/go-mssqldb v0.0.0-20191124224453-732737034ffd/go.mod h1:xbL0rPBG9cCiLr28tMa8zpbdarY27NDyej4t/EjAShU=
github.com/erikstmartin/go-testdb v0.0.0-20160219214506-8d10e4a1bae5/go.mod h1:a2zkGnVExMxdzMo3M0Hi/3sEU+cWnZpSni0O6/Yb/P0=
github.com/go-sql-driver/mysql v1.5.0/go.mod h1:DCzpHaOWr8IXmIStZouvnhqoel9Qv2LBy8hT2VhHyBg=
github.com/golang-sql/civil v0.0.0-20190719163853-cb61b32ac6fe/go.mod h1:8vg3r2VgvsThLBIFL93Qb5yWzgyZWhEmBwUJWevAkK0=
github.com/gorilla/mux v1.7.4 h1:VuZ8uybHlWmqV03+zRzdwKL4tUnIp1MAQtp1mIFE1bc=
github.com/gorilla/mux v1.7.4/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46BH5rLB71So=
github.com/jinzhu/gorm v1.9.14 h1:Kg3ShyTPcM6nzVo148fRrcMO6MNKuqtOUwnzqMgVniM=
github.com/jinzhu/gorm v1.9.14/go.mod h1:G3LB3wezTOWM2ITLzPxEXgSkOXAntiLHS7UdBefADcs=
github.com/jinzhu/inflection v1.0.0 h1:K317FqzuhWc8YvSVlFMCCUb36O/S9MCKRDI7QkRKD/E=
github.com/jinzhu/inflection v1.0.0/go.mod h1:h+uFLlag+Qp1Va5pdKtLDYj+kHp5pxUVkryuEj+Srlc=
github.com/jinzhu/now v1.0.1/go.mod h1:d3SSVoowX0Lcu0IBviAWJpolVfI5UJVZZ7cO71lE/z8=
github.com/labstack/echo v1.4.4 h1:1bEiBNeGSUKxcPDGfZ/7IgdhJJZx8wV/pICJh4W2NJI=
github.com/labstack/echo v3.3.10+incompatible h1:pGRcYk231ExFAyoAjAfD85kQzRJCRI8bbnE7CX5OEgg=
github.com/labstack/echo v3.3.10+incompatible/go.mod h1:0INS7j/VjnFxD4E2wkz67b8cVwCLbBmJyDaka6Cmk1s=
github.com/labstack/gommon v0.3.0 h1:JEeO0bvc78PKdyHxloTKiF8BD5iGrH8T6MSeGvSgob0=
github.com/labstack/gommon v0.3.0/go.mod h1:MULnywXg0yavhxWKc+lOruYdAhDwPK9wf0OL7NoOu+k=
github.com/lib/pq v1.1.1/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo=
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 v0.0.8/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s=
github.com/mattn/go-isatty v0.0.9 h1:d5US/mDsogSGW37IV293h//ZFaeajb69h+EHFsv2xGg=
github.com/mattn/go-isatty v0.0.9/go.mod h1:YNRxwqDuOph6SZLI9vUUz6OYw3QyUt7WiY2yME+cCiQ=
github.com/mattn/go-sqlite3 v1.14.0 h1:mLyGNKR8+Vv9CAU7PphKa2hkEqxxhn8i32J6FPj1/QA=
github.com/mattn/go-sqlite3 v1.14.0/go.mod h1:JIl7NbARA7phWnGvh0LKTyg7S9BA+6gx71ShQilpsus=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
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 v1.0.1 h1:tY9CJiPnMXf1ERmG2EyK7gNUd+c6RKGD0IfU8WdUSz8=
github.com/valyala/fasttemplate v1.0.1/go.mod h1:UQGH1tvbgY+Nz5t2n7tXsz52dQxojPUpymEIMZ47gx8=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20190325154230-a5d413f7728c/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20191205180655-e7c4368fe9dd/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9 h1:psW17arqaxU48Z5kZ0CQnkZWQJsqcURM6tKiBApRjXI=
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/net v0.0.0-20180218175443-cbe0f9307d01/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3 h1:0GoQqolDA55aaLxZyTzK/Y2ePZzZTUrRacwib7cNsYQ=
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20200202094626-16171245cfb2/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20200324143707-d3edc9973b7e h1:3G+cUijn7XD+S4eJFddp53Pv7+slrESplyjG25HgL+k=
golang.org/x/net v0.0.0-20200324143707-d3edc9973b7e/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20190813064441-fde4db37ae7a h1:aYOabOQFp6Vj6W1F80affTUvO9UxmJRx8K0gsfABByQ=
golang.org/x/sys v0.0.0-20190813064441-fde4db37ae7a/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/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=

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main.go Normal file
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package main
import (
"net/http"
"github.com/labstack/echo"
"github.com/rosti-cz/apps-api/apps"
"github.com/rosti-cz/apps-api/common"
"github.com/rosti-cz/apps-api/nodes"
)
// JSONIndent Indendation of JSON output format
const JSONIndent = " "
func main() {
// Close database at the end
db := common.GetDBConnection()
defer db.Close()
// API
e := echo.New()
// Returns list of apps
e.GET("/v1/apps", func(c echo.Context) error {
apps, err := apps.List()
if err != nil {
return c.JSONPretty(http.StatusInternalServerError, Message{Message: err.Error()}, JSONIndent)
}
return c.JSON(http.StatusOK, apps)
})
// Returns one app
e.GET("/v1/apps/:name", func(c echo.Context) error {
name := c.Param("name")
app, err := apps.Get(name)
if err != nil {
return c.JSONPretty(http.StatusInternalServerError, Message{Message: err.Error()}, JSONIndent)
}
return c.JSON(http.StatusOK, app)
})
// Create a new app
e.POST("/v1/apps", func(c echo.Context) error {
app := apps.App{}
err := c.Bind(&app)
if err != nil {
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)
if err != nil {
return c.JSONPretty(http.StatusInternalServerError, Message{Message: err.Error()}, JSONIndent)
}
return c.JSON(http.StatusOK, map[string]string{})
})
// Update existing app
e.PUT("/v1/apps/:name", func(c echo.Context) error {
name := c.Param("name")
app := apps.App{}
err := c.Bind(&app)
if err != nil {
return c.JSONPretty(http.StatusBadRequest, Message{Message: err.Error()}, JSONIndent)
}
err = apps.Update(name, app.SSHPort, app.HTTPPort, app.Image, app.CPU, app.Memory)
if err != nil {
return c.JSONPretty(http.StatusInternalServerError, Message{Message: err.Error()}, JSONIndent)
}
return c.JSON(http.StatusOK, map[string]string{})
})
// Stop existing app
e.PUT("/v1/apps/:name/stop", func(c echo.Context) error {
return c.JSON(http.StatusOK, map[string]string{})
})
// Start existing app
e.PUT("/v1/apps/:name/start", func(c echo.Context) error {
return c.JSON(http.StatusOK, map[string]string{})
})
// Stop existing app
e.PUT("/v1/apps/:name/restart", func(c echo.Context) error {
return c.JSON(http.StatusOK, map[string]string{})
})
// Rebuilds existing app, it keeps the data but created the container again
e.PUT("/v1/apps/:name/rebuild", func(c echo.Context) error {
return c.JSON(http.StatusOK, map[string]string{})
})
// Delete one app
e.DELETE("/v1/apps/:name", func(c echo.Context) error {
name := c.Param("name")
err := apps.Delete(name)
if err != nil {
return c.JSONPretty(http.StatusInternalServerError, Message{Message: err.Error()}, JSONIndent)
}
return c.JSON(http.StatusOK, Message{Message: "deleted"})
})
// Return info about the node including performance index
e.GET("/v1/node", func(c echo.Context) error {
node := nodes.GetNodeInfo()
return c.JSON(http.StatusOK, node)
})
e.Logger.Fatal(e.Start(":1323"))
}

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nodes/main.go Normal file
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package nodes
// Node keeps info about server
type Node struct {
PerformanceIndex int
}
// GetNodeInfo returns information about this node
func GetNodeInfo() *Node {
node := Node{
PerformanceIndex: 0,
}
return &node
}

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types.go Normal file
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package main
type Message struct {
Message string `json:"message"`
}