(feat) publish docker data to create drone card (#347)

* plugin logic to write card data to publish drone card

docker.go

@@ -64,11 +64,34 @@ type (
 
 	// Plugin defines the Docker plugin parameters.
 	Plugin struct {
-		Login   Login  // Docker login configuration
-		Build   Build  // Docker build configuration
-		Daemon  Daemon // Docker daemon configuration
-		Dryrun  bool   // Docker push is skipped
-		Cleanup bool   // Docker purge is enabled
+		Login    Login  // Docker login configuration
+		Build    Build  // Docker build configuration
+		Daemon   Daemon // Docker daemon configuration
+		Dryrun   bool   // Docker push is skipped
+		Cleanup  bool   // Docker purge is enabled
+		CardPath string // Card path to write file to
+	}
+
+	Inspect []struct {
+		ID            string        `json:"Id"`
+		RepoTags      []string      `json:"RepoTags"`
+		RepoDigests   []interface{} `json:"RepoDigests"`
+		Parent        string        `json:"Parent"`
+		Comment       string        `json:"Comment"`
+		Created       time.Time     `json:"Created"`
+		Container     string        `json:"Container"`
+		DockerVersion string        `json:"DockerVersion"`
+		Author        string        `json:"Author"`
+		Architecture  string        `json:"Architecture"`
+		Os            string        `json:"Os"`
+		Size          int           `json:"Size"`
+		VirtualSize   int           `json:"VirtualSize"`
+		Metadata      struct {
+			LastTagTime time.Time `json:"LastTagTime"`
+		} `json:"Metadata"`
+		SizeString        string
+		VirtualSizeString string
+		Time              string
 	}
 )
 
@@ -157,11 +180,6 @@ func (p Plugin) Exec() error {
 		}
 	}
 
-	if p.Cleanup {
-		cmds = append(cmds, commandRmi(p.Build.Name)) // docker rmi
-		cmds = append(cmds, commandPrune())           // docker system prune -f
-	}
-
 	// execute all commands in batch mode.
 	for _, cmd := range cmds {
 		cmd.Stdout = os.Stdout
@@ -180,6 +198,26 @@ func (p Plugin) Exec() error {
 		}
 	}
 
+	// output the adaptive card
+	if err := p.writeCard(); err != nil {
+		fmt.Printf("Could not create adaptive card. %s\n", err)
+	}
+
+	// execute cleanup routines in batch mode
+	if p.Cleanup {
+		// clear the slice
+		cmds = nil
+
+		cmds = append(cmds, commandRmi(p.Build.Name)) // docker rmi
+		cmds = append(cmds, commandPrune())           // docker system prune -f
+
+		for _, cmd := range cmds {
+			cmd.Stdout = os.Stdout
+			cmd.Stderr = os.Stderr
+			trace(cmd)
+		}
+	}
+
 	return nil
 }