diff options
Diffstat (limited to 'pkg/systemd/generate/pods.go')
-rw-r--r-- | pkg/systemd/generate/pods.go | 49 |
1 files changed, 17 insertions, 32 deletions
diff --git a/pkg/systemd/generate/pods.go b/pkg/systemd/generate/pods.go index dec9587d9..c41eedd17 100644 --- a/pkg/systemd/generate/pods.go +++ b/pkg/systemd/generate/pods.go @@ -3,9 +3,7 @@ package generate import ( "bytes" "fmt" - "io/ioutil" "os" - "path/filepath" "sort" "strings" "text/template" @@ -88,39 +86,40 @@ KillMode=none Type=forking [Install] -WantedBy=multi-user.target default.target` +WantedBy=multi-user.target default.target +` // PodUnits generates systemd units for the specified pod and its containers. // Based on the options, the return value might be the content of all units or // the files they been written to. -func PodUnits(pod *libpod.Pod, options entities.GenerateSystemdOptions) (string, error) { +func PodUnits(pod *libpod.Pod, options entities.GenerateSystemdOptions) (map[string]string, error) { // Error out if the pod has no infra container, which we require to be the // main service. if !pod.HasInfraContainer() { - return "", errors.Errorf("error generating systemd unit files: Pod %q has no infra container", pod.Name()) + return nil, errors.Errorf("error generating systemd unit files: Pod %q has no infra container", pod.Name()) } podInfo, err := generatePodInfo(pod, options) if err != nil { - return "", err + return nil, err } infraID, err := pod.InfraContainerID() if err != nil { - return "", err + return nil, err } // Compute the container-dependency graph for the Pod. containers, err := pod.AllContainers() if err != nil { - return "", err + return nil, err } if len(containers) == 0 { - return "", errors.Errorf("error generating systemd unit files: Pod %q has no containers", pod.Name()) + return nil, errors.Errorf("error generating systemd unit files: Pod %q has no containers", pod.Name()) } graph, err := libpod.BuildContainerGraph(containers) if err != nil { - return "", err + return nil, err } // Traverse the dependency graph and create systemdgen.containerInfo's for @@ -133,7 +132,7 @@ func PodUnits(pod *libpod.Pod, options entities.GenerateSystemdOptions) (string, } ctrInfo, err := generateContainerInfo(ctr, options) if err != nil { - return "", err + return nil, err } // Now add the container's dependencies and at the container as a // required service of the infra container. @@ -149,24 +148,23 @@ func PodUnits(pod *libpod.Pod, options entities.GenerateSystemdOptions) (string, containerInfos = append(containerInfos, ctrInfo) } + units := map[string]string{} // Now generate the systemd service for all containers. - builder := strings.Builder{} out, err := executePodTemplate(podInfo, options) if err != nil { - return "", err + return nil, err } - builder.WriteString(out) + units[podInfo.ServiceName] = out for _, info := range containerInfos { info.pod = podInfo - builder.WriteByte('\n') out, err := executeContainerTemplate(info, options) if err != nil { - return "", err + return nil, err } - builder.WriteString(out) + units[info.ServiceName] = out } - return builder.String(), nil + return units, nil } func generatePodInfo(pod *libpod.Pod, options entities.GenerateSystemdOptions) (*podInfo, error) { @@ -339,18 +337,5 @@ func executePodTemplate(info *podInfo, options entities.GenerateSystemdOptions) return "", err } - if !options.Files { - return buf.String(), nil - } - - buf.WriteByte('\n') - cwd, err := os.Getwd() - if err != nil { - return "", errors.Wrap(err, "error getting current working directory") - } - path := filepath.Join(cwd, fmt.Sprintf("%s.service", info.ServiceName)) - if err := ioutil.WriteFile(path, buf.Bytes(), 0644); err != nil { - return "", errors.Wrap(err, "error generating systemd unit") - } - return path, nil + return buf.String(), nil } |