Various fixes

* UI: abbility to start container in exited state
* Fix all Where() method usages
* Container state is updated every list and get operation

api.http

@@ -2,9 +2,9 @@ POST http://localhost:1323/v1/apps
 Content-type: application/json
 
 {
-    "name": "test_1234",
-    "ssh_port": 46500,
-    "http_port": 46501,
+    "name": "test_1235",
+    "ssh_port": 46502,
+    "http_port": 46503,
     "image": "docker.io/rosti/runtime:2020.04-1",
     "cpu": 100,
     "memory": 128
@@ -63,7 +63,7 @@ Content-type: application/json
 
 # Get
 
-GET http://localhost:1323/v1/apps/test_1234
+GET http://localhost:1323/v1/apps/test_1235
 Content-type: application/json
 
 

apps/main.go

@@ -16,7 +16,7 @@ func Get(name string) (*App, error) {
 
 	db := common.GetDBConnection()
 
-	err := db.Preload("Labels").First(&app).Where("name = ?", name).Error
+	err := db.Preload("Labels").Where("name = ?", name).First(&app).Error
 	if err != nil {
 		return nil, err
 	}
@@ -71,7 +71,7 @@ func Update(name string, SSHPort int, HTTPPort int, image string, CPU int, memor
 
 	db := common.GetDBConnection()
 
-	err := db.First(&app).Where("name = ?", name).Error
+	err := db.Where("name = ?", name).First(&app).Error
 	if err != nil {
 		return &app, err
 	}
@@ -115,13 +115,23 @@ func Update(name string, SSHPort int, HTTPPort int, image string, CPU int, memor
 func UpdateState(name string, state string, CPUUsage float64, memory int, diskUsageBytes int, diskUsageInodes int) error {
 	db := common.GetDBConnection()
 
-	err := db.Model(&App{}).Updates(App{
+	err := db.Model(&App{}).Where("name = ?", name).Updates(App{
 		State:           state,
 		CPUUsage:        CPUUsage,
 		MemoryUsage:     memory,
 		DiskUsageBytes:  diskUsageBytes,
 		DiskUsageInodes: diskUsageInodes,
-	}).Where("name = ?", name).Error
+	}).Error
+	return err
+}
+
+// UpdateContainerState sets container's state
+func UpdateContainerState(name string, state string) error {
+	db := common.GetDBConnection()
+
+	err := db.Model(&App{}).Where("name = ?", name).Updates(App{
+		State: state,
+	}).Error
 	return err
 }
 
@@ -129,7 +139,18 @@ func UpdateState(name string, state string, CPUUsage float64, memory int, diskUs
 func Delete(name string) error {
 	db := common.GetDBConnection()
 
-	err := db.Delete(App{}).Where("name = ?", name).Error
+	app, err := Get(name)
+	if err != nil {
+		return err
+	}
+
+	err = db.Where("app_id = ?", app.ID).Delete(&Label{}).Error
+	if err != nil {
+		return err
+	}
+
+	err = db.Where("id = ?", app.ID).Delete(App{}).Error
+
 	return err
 }
 
@@ -139,7 +160,7 @@ func AddLabel(appName string, label string) error {
 
 	db := common.GetDBConnection()
 
-	err := db.First(&app).Where("name = ?", appName).Error
+	err := db.Where("name = ?", appName).First(&app).Error
 	if err != nil {
 		return err
 	}
@@ -165,10 +186,10 @@ func RemoveLabel(appName string, label string) error {
 
 	db := common.GetDBConnection()
 
-	err := db.First(&app).Where("name = ?", appName).Error
+	err := db.Where("name = ?", appName).First(&app).Error
 	if err != nil {
 		return err
 	}
 
-	return db.Delete(&Label{}).Where("label = ? AND app_id = ?", label, app.ID).Error
+	return db.Where("label = ? AND app_id = ?", label, app.ID).Delete(&Label{}).Error
 }

main.go

@@ -56,6 +56,11 @@ func main() {
 		return c.Render(http.StatusOK, "index.html", "")
 	})
 	e.GET("/v1/apps", func(c echo.Context) error {
+		err := gatherContainersStates()
+		if err != nil {
+			return c.JSONPretty(http.StatusInternalServerError, Message{Message: err.Error()}, JSONIndent)
+		}
+
 		applications, err := apps.List()
 
 		if err != nil {
@@ -74,6 +79,16 @@ func main() {
 			return c.JSONPretty(http.StatusInternalServerError, Message{Message: err.Error()}, JSONIndent)
 		}
 
+		err = updateContainerState(app)
+		if err != nil {
+			return c.JSONPretty(http.StatusInternalServerError, Message{Message: err.Error()}, JSONIndent)
+		}
+
+		app, err = apps.Get(name)
+		if err != nil {
+			return c.JSONPretty(http.StatusInternalServerError, Message{Message: err.Error()}, JSONIndent)
+		}
+
 		return c.JSON(http.StatusOK, app)
 	})
 

stats.go

@@ -7,6 +7,24 @@ import (
 	"github.com/rosti-cz/node-api/docker"
 )
 
+// Updates only container's state
+func updateContainerState(app *apps.App) error {
+	container := docker.Container{
+		App: app,
+	}
+	state, err := container.Status()
+	if err != nil {
+		return err
+	}
+
+	err = apps.UpdateContainerState(
+		app.Name,
+		state,
+	)
+	return err
+}
+
+// Updates info about all containers
 func updateContainerStats(app *apps.App) error {
 	container := docker.Container{
 		App: app,
@@ -24,7 +42,7 @@ func updateContainerStats(app *apps.App) error {
 		state.DiskUsageBytes,
 		state.DiskUsageInodes,
 	)
-	return nil
+	return err
 }
 
 // gatherContainersStats gathers information about containers and saves it into the database
@@ -43,3 +61,20 @@ func gatherContainersStats() error {
 
 	return nil
 }
+
+// gatherContainersStates refreshes all container's state
+func gatherContainersStates() error {
+	appList, err := apps.List()
+	if err != nil {
+		return err
+	}
+
+	for _, app := range *appList {
+		err := updateContainerState(&app)
+		if err != nil {
+			log.Println("STATE ERROR:", err.Error())
+		}
+	}
+
+	return nil
+}

ui/index.html

@@ -82,7 +82,7 @@
                       <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', 'created'].includes(app.state)">Start</button>
+                        <button class="btn btn-success btn-sm" v-on:click="start(app.name)" v-if="['stopped', 'created', 'exited'].includes(app.state)">Start</button>
                         <button class="btn btn-warning btn-sm" v-on:click="stop(app.name)" v-if="['running'].includes(app.state)">Stop</button>  
                         <button class="btn btn-warning btn-sm" v-on:click="restart(app.name)" v-if="['running'].includes(app.state)">Restart</button>  
                         <button class="btn btn-warning btn-sm" v-on:click="rebuild(app.name)">Rebuild</button>
@@ -122,6 +122,12 @@
         hasError: () => {
           return this.api_status_code >= 400 && this.api_status_code < 505
         },
+        refresh: () => {
+          fetch('/v1/apps').then(response => response.json())
+          .then(data => this.apps = data);
+          fetch('/v1/node').then(response => response.json())
+          .then(data => this.node = data);
+        },
         start: (id) => {
           app.api_response = "working"
           fetch('/v1/apps/'+id+'/start', {method: 'PUT'})