Merge pull request #3800 from vrothberg/generate-pod

generate systemd pod

5 files changed, 375 insertions, 114 deletions

diff --git a/pkg/adapter/containers.go b/pkg/adapter/containers.go
index 863640f97..41607145d 100644
--- a/pkg/adapter/containers.go
+++ b/pkg/adapter/containers.go
@@ -1094,28 +1094,145 @@ func (r *LocalRuntime) Port(c *cliconfig.PortValues) ([]*Container, error) {
 	return portContainers, nil
 }
 
-// GenerateSystemd creates a unit file for a container
-func (r *LocalRuntime) GenerateSystemd(c *cliconfig.GenerateSystemdValues) (string, error) {
-	ctr, err := r.Runtime.LookupContainer(c.InputArgs[0])
+// generateServiceName generates the container name and the service name for systemd service.
+func generateServiceName(c *cliconfig.GenerateSystemdValues, ctr *libpod.Container, pod *libpod.Pod) (string, string) {
+	var kind, name, ctrName string
+	if pod == nil {
+		kind = "container"
+		name = ctr.ID()
+		if c.Name {
+			name = ctr.Name()
+		}
+		ctrName = name
+	} else {
+		kind = "pod"
+		name = pod.ID()
+		ctrName = ctr.ID()
+		if c.Name {
+			name = pod.Name()
+			ctrName = ctr.Name()
+		}
+	}
+	return ctrName, fmt.Sprintf("%s-%s", kind, name)
+}
+
+// generateSystemdgenContainerInfo is a helper to generate a
+// systemdgen.ContainerInfo for `GenerateSystemd`.
+func (r *LocalRuntime) generateSystemdgenContainerInfo(c *cliconfig.GenerateSystemdValues, nameOrID string, pod *libpod.Pod) (*systemdgen.ContainerInfo, bool, error) {
+	ctr, err := r.Runtime.LookupContainer(nameOrID)
 	if err != nil {
-		return "", err
+		return nil, false, err
 	}
+
 	timeout := int(ctr.StopTimeout())
 	if c.StopTimeout >= 0 {
 		timeout = c.StopTimeout
 	}
-	name := ctr.ID()
-	if c.Name {
-		name = ctr.Name()
-	}
 
 	config := ctr.Config()
 	conmonPidFile := config.ConmonPidFile
 	if conmonPidFile == "" {
-		return "", errors.Errorf("conmon PID file path is empty, try to recreate the container with --conmon-pidfile flag")
+		return nil, true, errors.Errorf("conmon PID file path is empty, try to recreate the container with --conmon-pidfile flag")
+	}
+
+	name, serviceName := generateServiceName(c, ctr, pod)
+	info := &systemdgen.ContainerInfo{
+		ServiceName:       serviceName,
+		ContainerName:     name,
+		RestartPolicy:     c.RestartPolicy,
+		PIDFile:           conmonPidFile,
+		StopTimeout:       timeout,
+		GenerateTimestamp: true,
+	}
+
+	return info, true, nil
+}
+
+// GenerateSystemd creates a unit file for a container or pod.
+func (r *LocalRuntime) GenerateSystemd(c *cliconfig.GenerateSystemdValues) (string, error) {
+	// First assume it's a container.
+	if info, found, err := r.generateSystemdgenContainerInfo(c, c.InputArgs[0], nil); found && err != nil {
+		return "", err
+	} else if found && err == nil {
+		return systemdgen.CreateContainerSystemdUnit(info, c.Files)
+	}
+
+	// We're either having a pod or garbage.
+	pod, err := r.Runtime.LookupPod(c.InputArgs[0])
+	if err != nil {
+		return "", err
+	}
+
+	// Error out if the pod has no infra container, which we require to be the
+	// main service.
+	if !pod.HasInfraContainer() {
+		return "", fmt.Errorf("error generating systemd unit files: Pod %q has no infra container", pod.Name())
+	}
+
+	// Generate a systemdgen.ContainerInfo for the infra container. This
+	// ContainerInfo acts as the main service of the pod.
+	infraID, err := pod.InfraContainerID()
+	if err != nil {
+		return "", nil
+	}
+	podInfo, _, err := r.generateSystemdgenContainerInfo(c, infraID, pod)
+	if err != nil {
+		return "", nil
+	}
+
+	// Compute the container-dependency graph for the Pod.
+	containers, err := pod.AllContainers()
+	if err != nil {
+		return "", err
+	}
+	if len(containers) == 0 {
+		return "", fmt.Errorf("error generating systemd unit files: Pod %q has no containers", pod.Name())
+	}
+	graph, err := libpod.BuildContainerGraph(containers)
+	if err != nil {
+		return "", err
+	}
+
+	// Traverse the dependency graph and create systemdgen.ContainerInfo's for
+	// each container.
+	containerInfos := []*systemdgen.ContainerInfo{podInfo}
+	for ctr, dependencies := range graph.DependencyMap() {
+		// Skip the infra container as we already generated it.
+		if ctr.ID() == infraID {
+			continue
+		}
+		ctrInfo, _, err := r.generateSystemdgenContainerInfo(c, ctr.ID(), nil)
+		if err != nil {
+			return "", err
+		}
+		// Now add the container's dependencies and at the container as a
+		// required service of the infra container.
+		for _, dep := range dependencies {
+			if dep.ID() == infraID {
+				ctrInfo.BoundToServices = append(ctrInfo.BoundToServices, podInfo.ServiceName)
+			} else {
+				_, serviceName := generateServiceName(c, dep, nil)
+				ctrInfo.BoundToServices = append(ctrInfo.BoundToServices, serviceName)
+			}
+		}
+		podInfo.RequiredServices = append(podInfo.RequiredServices, ctrInfo.ServiceName)
+		containerInfos = append(containerInfos, ctrInfo)
+	}
+
+	// Now generate the systemd service for all containers.
+	builder := strings.Builder{}
+	for i, info := range containerInfos {
+		if i > 0 {
+			builder.WriteByte('\n')
+		}
+		out, err := systemdgen.CreateContainerSystemdUnit(info, c.Files)
+		if err != nil {
+			return "", err
+		}
+		builder.WriteString(out)
 	}
 
-	return systemdgen.CreateSystemdUnitAsString(name, ctr.ID(), c.RestartPolicy, conmonPidFile, timeout)
+	return builder.String(), nil
 }
 
 // GetNamespaces returns namespace information about a container for PS
diff --git a/pkg/adapter/containers_remote.go b/pkg/adapter/containers_remote.go
index 5a26f537f..590fef43f 100644
--- a/pkg/adapter/containers_remote.go
+++ b/pkg/adapter/containers_remote.go
@@ -951,7 +951,7 @@ func (r *LocalRuntime) Port(c *cliconfig.PortValues) ([]*Container, error) {
 
 // GenerateSystemd creates a systemd until for a container
 func (r *LocalRuntime) GenerateSystemd(c *cliconfig.GenerateSystemdValues) (string, error) {
-	return iopodman.GenerateSystemd().Call(r.Conn, c.InputArgs[0], c.RestartPolicy, int64(c.StopTimeout), c.Name)
+	return "", errors.New("systemd generation not supported for remote clients")
 }
 
 // GetNamespaces returns namespace information about a container for PS
diff --git a/pkg/systemdgen/systemdgen.go b/pkg/systemdgen/systemdgen.go
index 06c5ebde5..09d3c6fd5 100644
--- a/pkg/systemdgen/systemdgen.go
+++ b/pkg/systemdgen/systemdgen.go
@@ -1,29 +1,59 @@
 package systemdgen
 
 import (
+	"bytes"
 	"fmt"
+	"io/ioutil"
 	"os"
+	"path/filepath"
+	"sort"
+	"text/template"
+	"time"
 
+	"github.com/containers/libpod/version"
 	"github.com/pkg/errors"
 	"github.com/sirupsen/logrus"
 )
 
-var template = `[Unit]
-Description=%s Podman Container
-[Service]
-Restart=%s
-ExecStart=%s start %s
-ExecStop=%s stop -t %d %s
-KillMode=none
-Type=forking
-PIDFile=%s
-[Install]
-WantedBy=multi-user.target`
+// ContainerInfo contains data required for generating a container's systemd
+// unit file.
+type ContainerInfo struct {
+	// ServiceName of the systemd service.
+	ServiceName string
+	// Name or ID of the container.
+	ContainerName string
+	// InfraContainer of the pod.
+	InfraContainer string
+	// StopTimeout sets the timeout Podman waits before killing the container
+	// during service stop.
+	StopTimeout int
+	// RestartPolicy of the systemd unit (e.g., no, on-failure, always).
+	RestartPolicy string
+	// PIDFile of the service. Required for forking services. Must point to the
+	// PID of the associated conmon process.
+	PIDFile string
+	// GenerateTimestamp, if set the generated unit file has a time stamp.
+	GenerateTimestamp bool
+	// BoundToServices are the services this service binds to.  Note that this
+	// service runs after them.
+	BoundToServices []string
+	// RequiredServices are services this service requires. Note that this
+	// service runs before them.
+	RequiredServices []string
+	// PodmanVersion for the header. Will be set internally. Will be auto-filled
+	// if left empty.
+	PodmanVersion string
+	// Executable is the path to the podman executable. Will be auto-filled if
+	// left empty.
+	Executable string
+	// TimeStamp at the time of creating the unit file. Will be set internally.
+	TimeStamp string
+}
 
 var restartPolicies = []string{"no", "on-success", "on-failure", "on-abnormal", "on-watchdog", "on-abort", "always"}
 
-// ValidateRestartPolicy checks that the user-provided policy is valid
-func ValidateRestartPolicy(restart string) error {
+// validateRestartPolicy checks that the user-provided policy is valid.
+func validateRestartPolicy(restart string) error {
 	for _, i := range restartPolicies {
 		if i == restart {
 			return nil
@@ -32,28 +62,87 @@ func ValidateRestartPolicy(restart string) error {
 	return errors.Errorf("%s is not a valid restart policy", restart)
 }
 
-// CreateSystemdUnitAsString takes variables to create a systemd unit file used to control
-// a libpod container
-func CreateSystemdUnitAsString(name, cid, restart, pidFile string, stopTimeout int) (string, error) {
-	podmanExe := getPodmanExecutable()
-	return createSystemdUnitAsString(podmanExe, name, cid, restart, pidFile, stopTimeout)
-}
+const containerTemplate = `# {{.ServiceName}}.service
+# autogenerated by Podman {{.PodmanVersion}}
+{{- if .TimeStamp}}
+# {{.TimeStamp}}
+{{- end}}
+
+[Unit]
+Description=Podman {{.ServiceName}}.service
+Documentation=man:podman-generate-systemd(1)
+{{- if .BoundToServices}}
+RefuseManualStart=yes
+RefuseManualStop=yes
+BindsTo={{- range $index, $value := .BoundToServices -}}{{if $index}} {{end}}{{ $value }}.service{{end}}
+After={{- range $index, $value := .BoundToServices -}}{{if $index}} {{end}}{{ $value }}.service{{end}}
+{{- end}}
+{{- if .RequiredServices}}
+Requires={{- range $index, $value := .RequiredServices -}}{{if $index}} {{end}}{{ $value }}.service{{end}}
+Before={{- range $index, $value := .RequiredServices -}}{{if $index}} {{end}}{{ $value }}.service{{end}}
+{{- end}}
+
+[Service]
+Restart={{.RestartPolicy}}
+ExecStart={{.Executable}} start {{.ContainerName}}
+ExecStop={{.Executable}} stop {{if (ge .StopTimeout 0)}}-t {{.StopTimeout}}{{end}} {{.ContainerName}}
+KillMode=none
+Type=forking
+PIDFile={{.PIDFile}}
+
+[Install]
+WantedBy=multi-user.target`
 
-func createSystemdUnitAsString(exe, name, cid, restart, pidFile string, stopTimeout int) (string, error) {
-	if err := ValidateRestartPolicy(restart); err != nil {
+// CreateContainerSystemdUnit creates a systemd unit file for a container.
+func CreateContainerSystemdUnit(info *ContainerInfo, generateFiles bool) (string, error) {
+	if err := validateRestartPolicy(info.RestartPolicy); err != nil {
 		return "", err
 	}
 
-	unit := fmt.Sprintf(template, name, restart, exe, name, exe, stopTimeout, name, pidFile)
-	return unit, nil
-}
+	// Make sure the executable is set.
+	if info.Executable == "" {
+		executable, err := os.Executable()
+		if err != nil {
+			executable = "/usr/bin/podman"
+			logrus.Warnf("Could not obtain podman executable location, using default %s", executable)
+		}
+		info.Executable = executable
+	}
+
+	if info.PodmanVersion == "" {
+		info.PodmanVersion = version.Version
+	}
+	if info.GenerateTimestamp {
+		info.TimeStamp = fmt.Sprintf("%v", time.Now().Format(time.UnixDate))
+	}
 
-func getPodmanExecutable() string {
-	podmanExe, err := os.Executable()
+	// Sort the slices to assure a deterministic output.
+	sort.Strings(info.RequiredServices)
+	sort.Strings(info.BoundToServices)
+
+	// Generate the template and compile it.
+	templ, err := template.New("systemd_service_file").Parse(containerTemplate)
 	if err != nil {
-		podmanExe = "/usr/bin/podman"
-		logrus.Warnf("Could not obtain podman executable location, using default %s", podmanExe)
+		return "", errors.Wrap(err, "error parsing systemd service template")
 	}
 
-	return podmanExe
+	var buf bytes.Buffer
+	if err := templ.Execute(&buf, info); err != nil {
+		return "", err
+	}
+
+	if !generateFiles {
+		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
 }
diff --git a/pkg/systemdgen/systemdgen_test.go b/pkg/systemdgen/systemdgen_test.go
index e413b24ce..1ddb0c514 100644
--- a/pkg/systemdgen/systemdgen_test.go
+++ b/pkg/systemdgen/systemdgen_test.go
@@ -5,36 +5,41 @@ import (
 )
 
 func TestValidateRestartPolicy(t *testing.T) {
-	type args struct {
+	type ContainerInfo struct {
 		restart string
 	}
 	tests := []struct {
-		name    string
-		args    args
-		wantErr bool
+		name          string
+		ContainerInfo ContainerInfo
+		wantErr       bool
 	}{
-		{"good-on", args{restart: "no"}, false},
-		{"good-on-success", args{restart: "on-success"}, false},
-		{"good-on-failure", args{restart: "on-failure"}, false},
-		{"good-on-abnormal", args{restart: "on-abnormal"}, false},
-		{"good-on-watchdog", args{restart: "on-watchdog"}, false},
-		{"good-on-abort", args{restart: "on-abort"}, false},
-		{"good-always", args{restart: "always"}, false},
-		{"fail", args{restart: "foobar"}, true},
-		{"failblank", args{restart: ""}, true},
+		{"good-on", ContainerInfo{restart: "no"}, false},
+		{"good-on-success", ContainerInfo{restart: "on-success"}, false},
+		{"good-on-failure", ContainerInfo{restart: "on-failure"}, false},
+		{"good-on-abnormal", ContainerInfo{restart: "on-abnormal"}, false},
+		{"good-on-watchdog", ContainerInfo{restart: "on-watchdog"}, false},
+		{"good-on-abort", ContainerInfo{restart: "on-abort"}, false},
+		{"good-always", ContainerInfo{restart: "always"}, false},
+		{"fail", ContainerInfo{restart: "foobar"}, true},
+		{"failblank", ContainerInfo{restart: ""}, true},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			if err := ValidateRestartPolicy(tt.args.restart); (err != nil) != tt.wantErr {
+			if err := validateRestartPolicy(tt.ContainerInfo.restart); (err != nil) != tt.wantErr {
 				t.Errorf("ValidateRestartPolicy() error = %v, wantErr %v", err, tt.wantErr)
 			}
 		})
 	}
 }
 
-func TestCreateSystemdUnitAsString(t *testing.T) {
-	goodID := `[Unit]
-Description=639c53578af4d84b8800b4635fa4e680ee80fd67e0e6a2d4eea48d1e3230f401 Podman Container
+func TestCreateContainerSystemdUnit(t *testing.T) {
+	goodID := `# container-639c53578af4d84b8800b4635fa4e680ee80fd67e0e6a2d4eea48d1e3230f401.service
+# autogenerated by Podman CI
+
+[Unit]
+Description=Podman container-639c53578af4d84b8800b4635fa4e680ee80fd67e0e6a2d4eea48d1e3230f401.service
+Documentation=man:podman-generate-systemd(1)
+
 [Service]
 Restart=always
 ExecStart=/usr/bin/podman start 639c53578af4d84b8800b4635fa4e680ee80fd67e0e6a2d4eea48d1e3230f401
@@ -42,11 +47,17 @@ ExecStop=/usr/bin/podman stop -t 10 639c53578af4d84b8800b4635fa4e680ee80fd67e0e6
 KillMode=none
 Type=forking
 PIDFile=/var/run/containers/storage/overlay-containers/639c53578af4d84b8800b4635fa4e680ee80fd67e0e6a2d4eea48d1e3230f401/userdata/conmon.pid
+
 [Install]
 WantedBy=multi-user.target`
 
-	goodName := `[Unit]
-Description=foobar Podman Container
+	goodName := `# container-foobar.service
+# autogenerated by Podman CI
+
+[Unit]
+Description=Podman container-foobar.service
+Documentation=man:podman-generate-systemd(1)
+
 [Service]
 Restart=always
 ExecStart=/usr/bin/podman start foobar
@@ -54,56 +65,121 @@ ExecStop=/usr/bin/podman stop -t 10 foobar
 KillMode=none
 Type=forking
 PIDFile=/var/run/containers/storage/overlay-containers/639c53578af4d84b8800b4635fa4e680ee80fd67e0e6a2d4eea48d1e3230f401/userdata/conmon.pid
+
+[Install]
+WantedBy=multi-user.target`
+
+	goodNameBoundTo := `# container-foobar.service
+# autogenerated by Podman CI
+
+[Unit]
+Description=Podman container-foobar.service
+Documentation=man:podman-generate-systemd(1)
+RefuseManualStart=yes
+RefuseManualStop=yes
+BindsTo=a.service b.service c.service pod.service
+After=a.service b.service c.service pod.service
+
+[Service]
+Restart=always
+ExecStart=/usr/bin/podman start foobar
+ExecStop=/usr/bin/podman stop -t 10 foobar
+KillMode=none
+Type=forking
+PIDFile=/var/run/containers/storage/overlay-containers/639c53578af4d84b8800b4635fa4e680ee80fd67e0e6a2d4eea48d1e3230f401/userdata/conmon.pid
+
+[Install]
+WantedBy=multi-user.target`
+
+	podGoodName := `# pod-123abc.service
+# autogenerated by Podman CI
+
+[Unit]
+Description=Podman pod-123abc.service
+Documentation=man:podman-generate-systemd(1)
+Requires=container-1.service container-2.service
+Before=container-1.service container-2.service
+
+[Service]
+Restart=always
+ExecStart=/usr/bin/podman start jadda-jadda-infra
+ExecStop=/usr/bin/podman stop -t 10 jadda-jadda-infra
+KillMode=none
+Type=forking
+PIDFile=/var/run/containers/storage/overlay-containers/639c53578af4d84b8800b4635fa4e680ee80fd67e0e6a2d4eea48d1e3230f401/userdata/conmon.pid
+
 [Install]
 WantedBy=multi-user.target`
 
-	type args struct {
-		exe         string
-		name        string
-		cid         string
-		restart     string
-		pidFile     string
-		stopTimeout int
-	}
 	tests := []struct {
 		name    string
-		args    args
+		info    ContainerInfo
 		want    string
 		wantErr bool
 	}{
 
 		{"good with id",
-			args{
-				"/usr/bin/podman",
-				"639c53578af4d84b8800b4635fa4e680ee80fd67e0e6a2d4eea48d1e3230f401",
-				"639c53578af4d84b8800b4635fa4e680ee80fd67e0e6a2d4eea48d1e3230f401",
-				"always",
-				"/var/run/containers/storage/overlay-containers/639c53578af4d84b8800b4635fa4e680ee80fd67e0e6a2d4eea48d1e3230f401/userdata/conmon.pid",
-				10,
+			ContainerInfo{
+				Executable:    "/usr/bin/podman",
+				ServiceName:   "container-639c53578af4d84b8800b4635fa4e680ee80fd67e0e6a2d4eea48d1e3230f401",
+				ContainerName: "639c53578af4d84b8800b4635fa4e680ee80fd67e0e6a2d4eea48d1e3230f401",
+				RestartPolicy: "always",
+				PIDFile:       "/var/run/containers/storage/overlay-containers/639c53578af4d84b8800b4635fa4e680ee80fd67e0e6a2d4eea48d1e3230f401/userdata/conmon.pid",
+				StopTimeout:   10,
+				PodmanVersion: "CI",
 			},
 			goodID,
 			false,
 		},
 		{"good with name",
-			args{
-				"/usr/bin/podman",
-				"foobar",
-				"639c53578af4d84b8800b4635fa4e680ee80fd67e0e6a2d4eea48d1e3230f401",
-				"always",
-				"/var/run/containers/storage/overlay-containers/639c53578af4d84b8800b4635fa4e680ee80fd67e0e6a2d4eea48d1e3230f401/userdata/conmon.pid",
-				10,
+			ContainerInfo{
+				Executable:    "/usr/bin/podman",
+				ServiceName:   "container-foobar",
+				ContainerName: "foobar",
+				RestartPolicy: "always",
+				PIDFile:       "/var/run/containers/storage/overlay-containers/639c53578af4d84b8800b4635fa4e680ee80fd67e0e6a2d4eea48d1e3230f401/userdata/conmon.pid",
+				StopTimeout:   10,
+				PodmanVersion: "CI",
 			},
 			goodName,
 			false,
 		},
+		{"good with name and bound to",
+			ContainerInfo{
+				Executable:      "/usr/bin/podman",
+				ServiceName:     "container-foobar",
+				ContainerName:   "foobar",
+				RestartPolicy:   "always",
+				PIDFile:         "/var/run/containers/storage/overlay-containers/639c53578af4d84b8800b4635fa4e680ee80fd67e0e6a2d4eea48d1e3230f401/userdata/conmon.pid",
+				StopTimeout:     10,
+				PodmanVersion:   "CI",
+				BoundToServices: []string{"pod", "a", "b", "c"},
+			},
+			goodNameBoundTo,
+			false,
+		},
+		{"pod",
+			ContainerInfo{
+				Executable:       "/usr/bin/podman",
+				ServiceName:      "pod-123abc",
+				ContainerName:    "jadda-jadda-infra",
+				RestartPolicy:    "always",
+				PIDFile:          "/var/run/containers/storage/overlay-containers/639c53578af4d84b8800b4635fa4e680ee80fd67e0e6a2d4eea48d1e3230f401/userdata/conmon.pid",
+				StopTimeout:      10,
+				PodmanVersion:    "CI",
+				RequiredServices: []string{"container-1", "container-2"},
+			},
+			podGoodName,
+			false,
+		},
 		{"bad restart policy",
-			args{
-				"/usr/bin/podman",
-				"639c53578af4d84b8800b4635fa4e680ee80fd67e0e6a2d4eea48d1e3230f401",
-				"639c53578af4d84b8800b4635fa4e680ee80fd67e0e6a2d4eea48d1e3230f401",
-				"never",
-				"/var/run/containers/storage/overlay-containers/639c53578af4d84b8800b4635fa4e680ee80fd67e0e6a2d4eea48d1e3230f401/userdata/conmon.pid",
-				10,
+			ContainerInfo{
+				Executable:    "/usr/bin/podman",
+				ServiceName:   "639c53578af4d84b8800b4635fa4e680ee80fd67e0e6a2d4eea48d1e3230f401",
+				RestartPolicy: "never",
+				PIDFile:       "/var/run/containers/storage/overlay-containers/639c53578af4d84b8800b4635fa4e680ee80fd67e0e6a2d4eea48d1e3230f401/userdata/conmon.pid",
+				StopTimeout:   10,
+				PodmanVersion: "CI",
 			},
 			"",
 			true,
@@ -111,13 +187,13 @@ WantedBy=multi-user.target`
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			got, err := createSystemdUnitAsString(tt.args.exe, tt.args.name, tt.args.cid, tt.args.restart, tt.args.pidFile, tt.args.stopTimeout)
+			got, err := CreateContainerSystemdUnit(&tt.info, false)
 			if (err != nil) != tt.wantErr {
-				t.Errorf("CreateSystemdUnitAsString() error = %v, wantErr %v", err, tt.wantErr)
+				t.Errorf("CreateContainerSystemdUnit() error = \n%v, wantErr \n%v", err, tt.wantErr)
 				return
 			}
 			if got != tt.want {
-				t.Errorf("CreateSystemdUnitAsString() = %v, want %v", got, tt.want)
+				t.Errorf("CreateContainerSystemdUnit() = \n%v, want \n%v", got, tt.want)
 			}
 		})
 	}
diff --git a/pkg/varlinkapi/generate.go b/pkg/varlinkapi/generate.go
index 9dc20d582..19010097d 100644
--- a/pkg/varlinkapi/generate.go
+++ b/pkg/varlinkapi/generate.go
@@ -4,9 +4,9 @@ package varlinkapi
 
 import (
 	"encoding/json"
+
 	"github.com/containers/libpod/cmd/podman/shared"
 	iopodman "github.com/containers/libpod/cmd/podman/varlink"
-	"github.com/containers/libpod/pkg/systemdgen"
 )
 
 // GenerateKube ...
@@ -29,24 +29,3 @@ func (i *LibpodAPI) GenerateKube(call iopodman.VarlinkCall, name string, service
 		Service: string(servB),
 	})
 }
-
-// GenerateSystemd ...
-func (i *LibpodAPI) GenerateSystemd(call iopodman.VarlinkCall, nameOrID, restart string, stopTimeout int64, useName bool) error {
-	ctr, err := i.Runtime.LookupContainer(nameOrID)
-	if err != nil {
-		return call.ReplyErrorOccurred(err.Error())
-	}
-	timeout := int(ctr.StopTimeout())
-	if stopTimeout >= 0 {
-		timeout = int(stopTimeout)
-	}
-	name := ctr.ID()
-	if useName {
-		name = ctr.Name()
-	}
-	unit, err := systemdgen.CreateSystemdUnitAsString(name, ctr.ID(), restart, ctr.Config().StaticDir, timeout)
-	if err != nil {
-		return call.ReplyErrorOccurred(err.Error())
-	}
-	return call.ReplyGenerateSystemd(unit)
-}