Add backup maintenance and guest update controls

agent.go

@@ -13,6 +13,7 @@ import (
 	"io"
 	"net"
 	"net/http"
+	"net/url"
 	"os"
 	"os/exec"
 	"path/filepath"
@@ -40,16 +41,18 @@ type agentConfig struct {
 }
 
 type AgentContainer struct {
-	ID          string   `json:"id"`
-	Name        string   `json:"name"`
-	Image       string   `json:"image"`
-	State       string   `json:"state"`
-	Status      string   `json:"status"`
-	Health      string   `json:"health,omitempty"`
-	Restarts    int64    `json:"restarts"`
-	CPUPercent  float64  `json:"cpuPercent"`
-	MemoryUsage uint64   `json:"memoryUsage"`
-	Ports       []string `json:"ports,omitempty"`
+	ID              string   `json:"id"`
+	Name            string   `json:"name"`
+	Image           string   `json:"image"`
+	State           string   `json:"state"`
+	Status          string   `json:"status"`
+	Health          string   `json:"health,omitempty"`
+	Restarts        int64    `json:"restarts"`
+	CPUPercent      float64  `json:"cpuPercent"`
+	MemoryUsage     uint64   `json:"memoryUsage"`
+	Ports           []string `json:"ports,omitempty"`
+	Compose         bool     `json:"compose"`
+	UpdateAvailable bool     `json:"updateAvailable"`
 }
 
 type AgentInterface struct {
@@ -913,14 +916,27 @@ func collectDockerContainers() ([]AgentContainer, string) {
 		inspect, inspectErr := client.Get("http://docker/containers/" + v.ID + "/json")
 		if inspectErr == nil {
 			var detail struct {
+				Image        string
 				RestartCount int64
 				State        struct{ Health *struct{ Status string } }
+				Config       struct {
+					Labels map[string]string
+				}
 			}
 			if json.NewDecoder(inspect.Body).Decode(&detail) == nil {
 				item.Restarts = detail.RestartCount
 				if detail.State.Health != nil {
 					item.Health = detail.State.Health.Status
 				}
+				item.Compose = detail.Config.Labels["com.docker.compose.service"] != ""
+				imageResponse, imageErr := client.Get("http://docker/images/" + url.PathEscape(v.Image) + "/json")
+				if imageErr == nil {
+					var imageDetail struct{ ID string }
+					if json.NewDecoder(imageResponse.Body).Decode(&imageDetail) == nil && detail.Image != "" && imageDetail.ID != "" {
+						item.UpdateAvailable = detail.Image != imageDetail.ID
+					}
+					imageResponse.Body.Close()
+				}
 			}
 			inspect.Body.Close()
 		}