// Find a container by inspecting dokku command output
func (s *ContainerStore) lookup(id string) (container *m.Container, err error) {
// Gather output of `dokku ls` to read container list
out, err := Exec("ls")
if err != nil {
err = fmt.Errorf("Error requesting container %q: %s", id, err)
return
}
// TODO: find a better way to do this (maybe by inspecting the app folder?)
for _, line := range out {
if !strings.Contains(line, id) {
// Line does not contain requested container; skip it
continue
}
var cerr error
container, cerr = m.ParseContainer(line)
if cerr == nil {
log.Printf(
"Found container %q; type %q; %s",
container.ID, container.Type, container.Status)
return
}
}
// If control reaches this stage, the container was not found
err = fmt.Errorf("Could not find container %q", id)
return
}
// Find an app by inspecting dokku command output
func (s *AppStore) lookup(name string) (app *m.App, err error) {
// First ensure the app exists
out, err := Exec("apps")
if err != nil {
err = fmt.Errorf("Error requesting app %q: %s", name, err)
return
}
exists := false
for _, line := range out {
if line == name {
exists = true
}
}
if !exists {
// App does not exist; return nil
return
}
// App exists; start gathering additional info
app = new(m.App)
app.Name = name
// Set initial app status to undeployed
// Status will be updated based on container statuses
app.Status = m.Undeployed
// Gather output of `dokku ls` to read container list
out, err = Exec("ls")
if err != nil {
err = fmt.Errorf("Error requesting app %q: %s", name, err)
return
}
// Find all containers for app
// TODO: find a better way to do this (maybe by inspecting the app folder?)
for _, line := range out {
c, cerr := m.ParseContainer(line)
if cerr == nil && c.App == name {
log.Printf("Found container %q; type %q; %s", c.ID, c.Type, c.Status)
app.Containers = append(app.Containers, c.GetID())
if c.Status == m.Running {
app.Status = m.Running
}
if c.Status == m.Stopped && app.Status == m.Undeployed {
app.Status = m.Stopped
}
}
}
// Find domains for app
out, err = Exec("domains", name)
if err != nil {
err = fmt.Errorf("Error requesting domains for app %q: %s", name, err)
return
}
for _, line := range out {
d, derr := m.NewDomain(line)
if derr == nil {
log.Printf("Found domain %q", d.Name)
app.Domains = append(app.Domains, d.Name)
}
}
return
}