#191 Docker Compose support

Added "compose project", "compose service", "compose config", "compose workdir" fields.
They are shown in container info view.
Since the fields may be empty so added a condition to show them only if they have a value

connector/docker.go

@@ -124,6 +124,10 @@ func (cm *Docker) refresh(c *container.Container) {
 	c.SetMeta("ports", portsFormat(insp.NetworkSettings.Ports))
 	c.SetMeta("created", insp.Created.Format("Mon Jan 2 15:04:05 2006"))
 	c.SetMeta("health", insp.State.Health.Status)
+	c.SetMeta("compose project", insp.Config.Labels["com.docker.compose.project"])
+	c.SetMeta("compose service", insp.Config.Labels["com.docker.compose.service"])
+	c.SetMeta("compose config", insp.Config.Labels["com.docker.compose.project.config_files"])
+	c.SetMeta("compose workdir", insp.Config.Labels["com.docker.compose.project.working_dir"])
 	for _, env := range insp.Config.Env {
 		c.SetMeta("[ENV-VAR]", env)
 	}
@@ -218,5 +222,6 @@ func (cm *Docker) All() (containers container.Containers) {
 
 // use primary container name
 func shortName(name string) string {
+	// remove leading slash e.g. /containerName to containerName
 	return strings.Replace(name, "/", "", 1)
 }

cwidgets/single/info.go

@@ -6,7 +6,7 @@ import (
 	ui "github.com/gizak/termui"
 )
 
-var displayInfo = []string{"id", "name", "image", "ports", "IPs", "state", "created", "health"}
+var displayInfo = []string{"id", "name", "image", "ports", "IPs", "state", "created", "health", "compose project", "compose service", "compose config", "compose workdir"}
 
 type Info struct {
 	*ui.Table
@@ -31,7 +31,9 @@ func (w *Info) Set(k, v string) {
 	w.Rows = [][]string{}
 	for _, k := range displayInfo {
 		if v, ok := w.data[k]; ok {
-			w.Rows = append(w.Rows, mkInfoRows(k, v)...)
+			if v != "" {
+				w.Rows = append(w.Rows, mkInfoRows(k, v)...)
+			}
 		}
 	}