func initializeRouter() error {
if err := systemd.InitializeSystemdFile(systemd.UnitType, hostServiceName, rjobs.UnitRouterTemplate, nil, false); err != nil {
return err
}
systemd.IsUnitProperty(systemd.Connection(), hostServiceName+".service", func(p map[string]interface{}) bool {
switch p["ActiveState"] {
case "active":
break
case "activating":
log.Printf("The Router host service '" + hostServiceName + "' is starting - routing tasks will not be available until it completes")
default:
log.Printf("The Router host service '" + hostServiceName + "' is not started - router operations will not be available")
}
return true
})
return nil
}
func (j *buildImage) Execute(resp jobs.Response) {
w := resp.SuccessWithWrite(jobs.ResponseAccepted, true, false)
fmt.Fprintf(w, "Processing build-image request:\n")
// TODO: download source, add bind-mount
unitName := containers.JobIdentifier(j.Name).UnitNameForBuild()
unitDescription := fmt.Sprintf("Builder for %s", j.Tag)
stdout, err := systemd.ProcessLogsForUnit(unitName)
if err != nil {
stdout = utils.EmptyReader
log.Printf("job_build_image: Unable to fetch build logs: %s, %+v", err.Error(), err)
}
defer stdout.Close()
conn, errc := systemd.NewConnection()
if errc != nil {
log.Print("job_build_image:", errc)
fmt.Fprintf(w, "Unable to watch start status", errc)
return
}
slice := DefaultSlice
systemd.IsUnitProperty(conn, j.BaseImage+".service", func(properties map[string]interface{}) bool {
value, ok := properties["Slice"]
if ok {
slice = value.(string)
}
return ok
})
if err := conn.Subscribe(); err != nil {
log.Print("job_build_image:", err)
fmt.Fprintf(w, "Unable to watch start status", errc)
return
}
defer conn.Unsubscribe()
// make subscription global for efficiency
var (
changes <-chan map[string]*dbus.UnitStatus
errch <-chan error
)
if resp.StreamResult() {
changes, errch = conn.SubscribeUnitsCustom(1*time.Second, 2,
func(s1 *dbus.UnitStatus, s2 *dbus.UnitStatus) bool {
return true
},
func(unit string) bool {
return unit != unitName
})
}
fmt.Fprintf(w, "Running sti build unit: %s\n", unitName)
log.Printf("build_image: Running build %s", unitName)
var startCmd []string
if _, err := os.Stat(gearBinaryPath); err != nil {
log.Println("gear executable is not installed on system; using sti builder image")
startCmd = []string{
"/usr/bin/docker", "run",
"-rm",
"-v", "/run/docker.sock:/run/docker.sock",
"-t", builderImage,
"sti", "build", j.Source, j.BaseImage, j.Tag,
"-U", "unix:///run/docker.sock",
}
} else {
startCmd = []string{
gearBinaryPath, "build", j.Source, j.BaseImage, j.Tag,
}
}
if j.RuntimeImage != "" {
startCmd = append(startCmd, "--runtime-image")
startCmd = append(startCmd, j.RuntimeImage)
}
if j.Clean {
startCmd = append(startCmd, "--clean")
}
if j.Verbose {
startCmd = append(startCmd, "--debug")
}
if j.CallbackUrl != "" {
startCmd = append(startCmd, "--callbackUrl="+j.CallbackUrl)
}
log.Printf("build_image: Will execute %v", startCmd)
status, err := systemd.Connection().StartTransientUnit(
unitName,
"fail",
dbus.PropExecStart(startCmd, true),
dbus.PropDescription(unitDescription),
dbus.PropRemainAfterExit(true),
dbus.PropSlice(slice),
)
if err != nil {
errType := reflect.TypeOf(err)
fmt.Fprintf(w, "Unable to start build container for this image due to (%s): %s\n", errType, err.Error())
return
} else if status != "done" {
fmt.Fprintf(w, "Build did not complete successfully: %s\n", status)
} else {
fmt.Fprintf(w, "Sti build is running\n")
}
if resp.StreamResult() {
go io.Copy(w, stdout)
wait:
for {
select {
case c := <-changes:
if changed, ok := c[unitName]; ok {
if changed.SubState != "running" {
fmt.Fprintf(w, "Build completed\n")
break wait
}
}
case err := <-errch:
fmt.Fprintf(w, "Error %+v\n", err)
case <-time.After(25 * time.Second):
log.Print("job_build_image:", "timeout")
break wait
}
}
}
}