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node-api
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Labels done

This commit is contained in:
Adam Štrauch 2020-07-16 23:24:09 +02:00
parent 31cdc6ef42
commit 753bd452fb
Signed by: cx
GPG Key ID: 018304FFA8988F8D
7 changed files with 99 additions and 18 deletions
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9
api.http
View File

@ -74,3 +74,12 @@ Content-type: application/json
GET http://localhost:1323/v1/apps
Content-type: application/json
Authorization: Token 333ff32b-6c9e-4794-adab-c289447e66b0
###
POST http://localhost:1323/v1/apps/test_1234/labels
Content-type: application/json
{
"Value": "userid:cx"
}

44
apps/main.go
View File

@ -16,7 +16,7 @@ func Get(name string) (*App, error) {
db := common.GetDBConnection()
err := db.First(&app).Where("name = ?", name).Error
err := db.Preload("Labels").First(&app).Where("name = ?", name).Error
if err != nil {
return nil, err
}
@ -30,7 +30,7 @@ func List() (*[]App, error) {
db := common.GetDBConnection()
err := db.Find(&apps).Error
err := db.Preload("Labels").Find(&apps).Error
if err != nil {
return nil, err
}
@ -132,3 +132,43 @@ func Delete(name string) error {
err := db.Delete(App{}).Where("name = ?", name).Error
return err
}
// AddLabel adds label to existing application
func AddLabel(appName string, label string) error {
var app App
db := common.GetDBConnection()
err := db.First(&app).Where("name = ?", appName).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
if err != nil {
return err
}
if count > 0 {
return nil
}
// And create the label
return db.Create(&Label{AppID: app.ID, Value: label}).Error
}
// RemoveLabel removes label from existing application
func RemoveLabel(appName string, label string) error {
var app App
db := common.GetDBConnection()
err := db.First(&app).Where("name = ?", appName).Error
if err != nil {
return err
}
return db.Delete(&Label{}).Where("label = ? AND app_id = ?", label, app.ID).Error
}

15
apps/types.go
View File

@ -21,6 +21,7 @@ func (v ValidationError) Error() string {
// Label holds metadata about the application
type Label struct {
Value string `json:"value"`
AppID uint `json:"-" gorm:"not null"`
}
// AppState contains info about runnint application, it's not saved in the database
@ -39,13 +40,13 @@ type App struct {
UpdatedAt time.Time `json:"updated_at"`
DeletedAt *time.Time `sql:"index" json:"deleted_at"`
Name string `json:"name" gorm:"primary_key"`
SSHPort int `json:"ssh_port"`
HTTPPort int `json:"http_port"`
Image string `json:"image"`
CPU int `json:"cpu"` // percentage, 200 means two CPU
Memory int `json:"memory"` // Limit in MB
// Labels []Label `json:"labels"` // username:cx or user_id:1
Name string `json:"name" gorm:"unique,index,not_null"`
SSHPort int `json:"ssh_port"`
HTTPPort int `json:"http_port"`
Image string `json:"image"`
CPU int `json:"cpu"` // percentage, 200 means two CPU
Memory int `json:"memory"` // Limit in MB
Labels []Label `json:"labels" gorm:"foreignkey:AppID"` // username:cx or user_id:1
State string `json:"state"`
CPUUsage float64 `json:"cpu_usage"` // in percents

4
docker/tools.go
View File

@ -17,13 +17,12 @@ func du(path string) (int, int, error) {
// Occupied space
var out bytes.Buffer
var errOut bytes.Buffer
command := exec.Command("/usr/bin/du", "-m", "-s", path)
command := exec.Command("/usr/bin/du", "-b", "-s", path)
command.Stdout = &out
command.Stderr = &errOut
err := command.Run()
if err != nil {
log.Println(errOut.String())
log.Println("/usr/bin/du -m -s " + path)
return space, inodes, err
}
fields := strings.Fields(strings.TrimSpace(out.String()))
@ -44,7 +43,6 @@ func du(path string) (int, int, error) {
err = command.Run()
if err != nil {
log.Println(errOut.String())
log.Println("/usr/bin/du --inodes -s " + path)
return space, inodes, err
}
fields = strings.Fields(strings.TrimSpace(out.String()))

2
docker/types.go
View File

@ -78,7 +78,7 @@ func (c *Container) DiskUsage() (int, int, error) {
return du(c.volumeHostPath())
}
// ResourceUsage returns amount of memory in MB and CPU in % that the app occupies
// ResourceUsage returns amount of memory in B and CPU in % that the app occupies
func (c *Container) ResourceUsage() (float64, int, error) {
driver := c.getDriver()

31
main.go
View File

@ -255,6 +255,37 @@ func main() {
return c.JSON(http.StatusOK, Message{Message: "ok"})
})
// Adds new label
e.POST("/v1/apps/:name/labels", func(c echo.Context) error {
name := c.Param("name")
label := apps.Label{}
err := c.Bind(&label)
if err != nil {
return c.JSONPretty(http.StatusBadRequest, Message{Message: err.Error()}, JSONIndent)
}
err = apps.AddLabel(name, label.Value)
if err != nil {
return c.JSONPretty(http.StatusInternalServerError, Message{Message: err.Error()}, JSONIndent)
}
return c.JSON(http.StatusOK, Message{Message: "ok"})
})
// Removes existing label
e.DELETE("/v1/apps/:name/labels/:label", func(c echo.Context) error {
name := c.Param("name")
label := c.Param("name")
err := apps.RemoveLabel(name, label)
if err != nil {
return c.JSONPretty(http.StatusInternalServerError, Message{Message: err.Error()}, JSONIndent)
}
return c.JSON(http.StatusOK, Message{Message: "ok"})
})
// Delete one app
e.DELETE("/v1/apps/:name", func(c echo.Context) error {
name := c.Param("name")

12
ui/index.html
View File

@ -69,11 +69,13 @@
<td><strong>{( app.name )}</strong></td>
<td>{( app.state.state )}</td>
<td>{( app.image.replace("docker.io/", "") )}</td>
<td>- / {( app.cpu )} %</td>
<td>- / {( app.memory )} MB</td>
<td>- GB</td>
<td>-</td>
<td>-</td>
<td>{( app.cpu_usage )} % / {( app.cpu )} %</td>
<td>{( app.memory_usage )} MB / {( app.memory )} MB</td>
<td>{( (app.disk_usage_bytes / 1000 / 1000 / 1000).toFixed(2) )} GB</td>
<td>{( app.disk_usage_inodes )}</td>
<td>
<span v-for="label in app.labels" class="label label-info">{( label.value )}</span>
</td>
<td>
<button class="btn btn-success btn-sm" v-on:click="start(app.name)" v-if="['stopped'].includes(app.state.state)">Start</button>
<button class="btn btn-warning btn-sm" v-on:click="stop(app.name)" v-if="['running'].includes(app.state.state)">Stop</button>