Basic UI template

.gitignore

@@ -1,3 +1,3 @@
 rosti.db
-apps-api
+node-api
 .history/

api.http

@@ -23,6 +23,8 @@ Content-type: application/json
 
 ###
 
+# Start
+
 PUT http://localhost:1323/v1/apps/test_1234/start
 Content-type: application/json
 
@@ -34,18 +36,31 @@ Content-type: application/json
 
 ###
 
+# Rebuild
+
+
+PUT http://localhost:1323/v1/apps/test_1234/rebuild
+Content-type: application/json
+Authorization: Token 333ff32b-6c9e-4794-adab-c289447e66b0
+
+###
+
+# Delete of app
+
 DELETE http://localhost:1323/v1/apps/test_1234
 Content-type: application/json
 
 ###
 
+# Stats
 
 GET http://localhost:1323/v1/apps/test_1234/stats
 Content-type: application/json
 
-
 ###
 
+# List of all apps
 
 GET http://localhost:1323/v1/apps
 Content-type: application/json
+Authorization: Token 333ff32b-6c9e-4794-adab-c289447e66b0

apps/main.go

@@ -1,7 +1,7 @@
 package apps
 
 import (
-	"github.com/rosti-cz/apps-api/common"
+	"github.com/rosti-cz/node-api/common"
 )
 
 func init() {

auth.go

@@ -0,0 +1,33 @@
+package main
+
+import (
+	"log"
+	"strings"
+
+	"github.com/labstack/echo"
+)
+
+var configuredToken string
+
+func init() {
+	configuredToken = setToken()
+	log.Println("Access token:", configuredToken)
+}
+
+// TokenMiddleware handles authentication
+func TokenMiddleware(next echo.HandlerFunc) echo.HandlerFunc {
+	return func(c echo.Context) error {
+		tokenHeader := c.Request().Header.Get("Authorization")
+		token := strings.Replace(tokenHeader, "Token ", "", -1)
+
+		if token != configuredToken || configuredToken == "" {
+			return c.JSONPretty(403, map[string]string{"message": "access denied"}, " ")
+		}
+
+		if err := next(c); err != nil {
+			c.Error(err)
+		}
+
+		return nil
+	}
+}

config.go

@@ -0,0 +1,41 @@
+package main
+
+import (
+	"io/ioutil"
+	"os"
+	"log"
+
+	"github.com/satori/go.uuid"
+)
+
+const configDirectory = "/var/lib/node-api"
+const tokenFilename = "/var/lib/node-api/token"
+
+func setToken() string {
+	if _, err := os.Stat(configDirectory); os.IsNotExist(err) {
+		err = os.MkdirAll(configDirectory, 0700)
+		if err != nil {
+			log.Fatalln(err)
+		}
+	}
+
+	// Load token from the file
+	var token string
+
+	if _, err := os.Stat(tokenFilename); os.IsNotExist(err) {
+		token = uuid.NewV4().String()
+
+		err = ioutil.WriteFile(tokenFilename, []byte(token), 0600)
+		if err != nil {
+			log.Fatalln(err)
+		}
+	} else {
+		tokenRaw, err := ioutil.ReadFile(tokenFilename)
+		if err != nil {
+			log.Fatalln(err)
+		}
+		token = string(tokenRaw)
+	}
+
+	return token
+}

docker/docker.go

@@ -7,6 +7,7 @@ import (
 	"io/ioutil"
 	"log"
 	"os"
+	"strconv"
 	"strings"
 	"time"
 
@@ -21,16 +22,24 @@ import (
 const dockerTimeout = 10
 
 // DOCKER_SOCK tells where to connect to docker, it will be always local sock
-const dockerSock = "unix:///var/run/docker.sock"
+const dockerSock = "/var/run/docker.sock"
+const podmanSock = "/run/podman/podman.sock"
 
 // DOCKER_API_VERSION set API version of Docker, 1.40 belongs to Docker 19.03.11
-const dockerAPIVersion = "1.24"
+const dockerAPIVersion = "1.40"
 
 // Driver keeps everything for connection to Docker
 type Driver struct{}
 
 func (d *Driver) getClient() (*dockerClient.Client, error) {
-	cli, err := dockerClient.NewClient(dockerSock, dockerAPIVersion, nil, nil)
+	var connectTo string
+	if _, err := os.Stat(podmanSock); !os.IsNotExist(err) {
+		connectTo = podmanSock
+	} else {
+		connectTo = dockerSock
+	}
+
+	cli, err := dockerClient.NewClient("unix://"+connectTo, dockerAPIVersion, nil, nil)
 	return cli, err
 }
 
@@ -253,21 +262,21 @@ func (d *Driver) Create(name string, image string, volumePath string, HTTPPort i
 
 	portmaps := nat.PortMap{}
 
-	// portbindingsHTTP := make([]nat.PortBinding, 1)
+	portbindingsHTTP := make([]nat.PortBinding, 1)
-	// portbindingsHTTP[0] = nat.PortBinding{
+	portbindingsHTTP[0] = nat.PortBinding{
-	// 	HostIP:   "0.0.0.0",
+		HostIP:   "0.0.0.0",
-	// 	HostPort: strconv.Itoa(HTTPPort) + "/tcp",
+		HostPort: strconv.Itoa(HTTPPort),
-	// }
+	}
-	// portmaps["8000/tcp"] = portbindingsHTTP
+	portmaps["8000"] = portbindingsHTTP
 
-	// if SSHPort != 0 {
+	if SSHPort != 0 {
-	// 	portbindingsSSH := make([]nat.PortBinding, 1)
+		portbindingsSSH := make([]nat.PortBinding, 1)
-	// 	portbindingsSSH[0] = nat.PortBinding{
+		portbindingsSSH[0] = nat.PortBinding{
-	// 		HostIP:   "0.0.0.0",
+			HostIP:   "0.0.0.0",
-	// 		HostPort: strconv.Itoa(SSHPort) + "/tcp",
+			HostPort: strconv.Itoa(SSHPort),
-	// 	}
+		}
-	// 	portmaps["22/tcp"] = portbindingsSSH
+		portmaps["22"] = portbindingsSSH
-	// }
+	}
 
 	createdContainer, err := cli.ContainerCreate(
 		context.Background(),
@@ -281,8 +290,8 @@ func (d *Driver) Create(name string, image string, volumePath string, HTTPPort i
 			Resources: container.Resources{
 				CPUPeriod:         100000,
 				CPUQuota:          int64(CPU) * 1000,
-				Memory:            int64(memory*110/100)*1024 ^ 2, // Allow 10 % more memory so we have space for MemoryReservation
+				Memory:            int64(memory*110/100)*1024 ^ 3, // Allow 10 % more memory so we have space for MemoryReservation
-				MemoryReservation: int64(memory)*1024 ^ 2,         // This should provide softer way how to limit the memory of our containers
+				MemoryReservation: int64(memory)*1024 ^ 3,         // This should provide softer way how to limit the memory of our containers
 			},
 			PortBindings: portmaps,
 			AutoRemove:   false,

docker/types.go

@@ -4,7 +4,7 @@ import (
 	"log"
 	"path"
 
-	"github.com/rosti-cz/apps-api/apps"
+	"github.com/rosti-cz/node-api/apps"
 )
 
 // Container extends App struct from App

go.mod

@@ -1,4 +1,4 @@
-module github.com/rosti-cz/apps-api
+module github.com/rosti-cz/node-api
 
 go 1.14
 
@@ -7,10 +7,12 @@ require (
 	github.com/docker/docker v1.13.1
 	github.com/docker/go-connections v0.4.0
 	github.com/docker/go-units v0.4.0 // indirect
+	github.com/gobuffalo/packr v1.30.1
 	github.com/jinzhu/gorm v1.9.14
 	github.com/labstack/echo v3.3.10+incompatible
 	github.com/labstack/gommon v0.3.0 // indirect
 	github.com/opencontainers/go-digest v1.0.0 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
+	github.com/satori/go.uuid v1.2.0
 	golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9 // indirect
 )

go.sum

@@ -1,6 +1,13 @@
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@@ -11,21 +18,41 @@ github.com/docker/go-connections v0.4.0/go.mod h1:Gbd7IOopHjR8Iph03tsViu4nIes5Xh
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+golang.org/x/crypto v0.0.0-20181203042331-505ab145d0a9/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 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 v0.0.0-20190621222207-cc06ce4a13d4/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 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 v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
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 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/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sys v0.0.0-20181205085412-a5c9d58dba9a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
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 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20190422165155-953cdadca894/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 v0.0.0-20190813064441-fde4db37ae7a/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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 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=
+golang.org/x/tools v0.0.0-20190624180213-70d37148ca0c/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+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/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=

main.go

@@ -5,10 +5,10 @@ import (
 	"net/http"
 
 	"github.com/labstack/echo"
-	"github.com/rosti-cz/apps-api/apps"
+	"github.com/rosti-cz/node-api/apps"
-	"github.com/rosti-cz/apps-api/common"
+	"github.com/rosti-cz/node-api/common"
-	"github.com/rosti-cz/apps-api/docker"
+	"github.com/rosti-cz/node-api/docker"
-	"github.com/rosti-cz/apps-api/nodes"
+	"github.com/rosti-cz/node-api/nodes"
 )
 
 // JSONIndent Indendation of JSON output format
@@ -21,10 +21,19 @@ func main() {
 	// db.AutoMigrate(apps.App{})
 	defer db.Close()
 
+	// Templating
+	t := &Template{}
+
 	// API
 	e := echo.New()
+	e.Renderer = t
+
+	// e.Use(TokenMiddleware)
 
 	// Returns list of apps
+	e.GET("/", func(c echo.Context) error {
+		return c.Render(http.StatusOK, "index.html", "")
+	})
 	e.GET("/v1/apps", func(c echo.Context) error {
 		applications, err := apps.List()
 
@@ -241,6 +250,10 @@ func main() {
 		}
 
 		err = container.Destroy()
+		if err != nil && err.Error() == "no container found" {
+			// We don't care if the container didn't exist anyway
+			err = nil
+		}
 		if err != nil {
 			return c.JSONPretty(http.StatusInternalServerError, Message{Message: err.Error()}, JSONIndent)
 		}
@@ -279,6 +292,11 @@ func main() {
 		return c.JSON(http.StatusOK, Message{Message: "deleted"})
 	})
 
+	// Orphans returns directories in /srv that doesn't match any hosted application
+	e.GET("/v1/orphans", func(c echo.Context) error {
+		return c.JSON(http.StatusOK, []string{})
+	})
+
 	// Return info about the node including performance index
 	e.GET("/v1/node", func(c echo.Context) error {
 		node := nodes.GetNodeInfo()

templates.go

@@ -0,0 +1,29 @@
+package main
+
+import (
+	"html/template"
+	"io"
+
+	"github.com/gobuffalo/packr"
+	"github.com/labstack/echo"
+)
+
+// Template struct
+type Template struct{}
+
+// Render template saved in packr
+func (t *Template) Render(w io.Writer, name string, data interface{}, c echo.Context) error {
+	box := packr.NewBox("./ui")
+	tmpl, err := template.New(name).Parse(box.String("index.html"))
+	if err != nil {
+		panic(err)
+	}
+	tmpl, err = tmpl.Parse(box.String(name))
+	if err != nil {
+		panic(err)
+	}
+
+	response := tmpl.ExecuteTemplate(w, name, data)
+
+	return response
+}

ui/index.html

@@ -0,0 +1,78 @@
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+
+  <meta charset="utf-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
+  <meta name="description" content="">
+  <meta name="author" content="">
+
+  <title>Bare - Start Bootstrap Template</title>
+
+  <!-- Bootstrap core CSS -->
+  <link href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/css/bootstrap.min.css" rel="stylesheet">
+
+</head>
+
+<body>
+
+  <!-- Page Content -->
+  <div class="container">
+    <div class="row">
+        <div class="col-lg-12">
+            <h1 class="mt-5">Node</h1>
+
+            <p>
+                Load index: <em>12</em>
+            </p>
+        </div>
+    </div>
+    <div class="row">
+      <div class="col-lg-12">
+        <h1 class="mt-5">Applications</h1>
+
+        <table class="table table-striped">
+            <thead>
+                <tr>
+                    <th>Name</th>
+                    <th>Status</th>
+                    <th>CPU</th>
+                    <th>Memory</th>
+                    <th>Disk space</th>
+                    <th>Inodes</th>
+                    <th>Tags</th>
+                    <th></th>
+                </tr>
+            </thead>
+            <tbody>
+                <tr>
+                    <td><strong>test_1234</strong></td>
+                    <td>running</td>
+                    <td>34 %</td>
+                    <td>50/128 MB</td>
+                    <td>5 GB</td>
+                    <td>12 598</td>
+                    <td>user:cx</td>
+                    <td>
+                        <button class="btn btn-warning btn-sm">Rebuild</button>
+                        <button class="btn btn-success btn-sm">Start</button>
+                        <button class="btn btn-warning btn-sm">Stop</button>
+                        <button class="btn btn-warning btn-sm">Destroy</button>
+                        <button class="btn btn-danger btn-sm">Delete</button>
+                    </td>
+                </tr>
+            </tbody>
+        </table>
+        
+      </div>
+    </div>
+  </div>
+
+  <!-- Bootstrap core JavaScript -->
+  <script src="https://code.jquery.com/jquery-3.5.1.slim.min.js"></script>
+  <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
+
+</body>
+
+</html>