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-rw-r--r--pkg/systemd/generate/containers.go38
-rw-r--r--pkg/systemd/generate/containers_test.go36
-rw-r--r--pkg/systemd/generate/pods.go17
-rw-r--r--pkg/systemd/generate/pods_test.go49
4 files changed, 121 insertions, 19 deletions
diff --git a/pkg/systemd/generate/containers.go b/pkg/systemd/generate/containers.go
index dced1a3da..4180022cb 100644
--- a/pkg/systemd/generate/containers.go
+++ b/pkg/systemd/generate/containers.go
@@ -207,24 +207,42 @@ func executeContainerTemplate(info *containerInfo, options entities.GenerateSyst
info.CreateCommand = filterPodFlags(info.CreateCommand)
}
- // Enforce detaching
- //
- // since we use systemd `Type=forking` service
- // @see https://www.freedesktop.org/software/systemd/man/systemd.service.html#Type=
- // when we generated systemd service file with the --new param,
- // `ExecStart` will have `/usr/bin/podman run ...`
- // if `info.CreateCommand` has no `-d` or `--detach` param,
- // podman will run the container in default attached mode,
- // as a result, `systemd start` will wait the `podman run` command exit until failed with timeout error.
+ // Presence check for certain flags/options.
hasDetachParam := false
+ hasNameParam := false
+ hasReplaceParam := false
for _, p := range info.CreateCommand[index:] {
- if p == "--detach" || p == "-d" {
+ switch p {
+ case "--detach", "-d":
hasDetachParam = true
+ case "--name":
+ hasNameParam = true
+ case "--replace":
+ hasReplaceParam = true
}
}
+
if !hasDetachParam {
+ // Enforce detaching
+ //
+ // since we use systemd `Type=forking` service @see
+ // https://www.freedesktop.org/software/systemd/man/systemd.service.html#Type=
+ // when we generated systemd service file with the
+ // --new param, `ExecStart` will have `/usr/bin/podman
+ // run ...` if `info.CreateCommand` has no `-d` or
+ // `--detach` param, podman will run the container in
+ // default attached mode, as a result, `systemd start`
+ // will wait the `podman run` command exit until failed
+ // with timeout error.
startCommand = append(startCommand, "-d")
}
+ if hasNameParam && !hasReplaceParam {
+ // Enforce --replace for named containers. This will
+ // make systemd units more robuts as it allows them to
+ // start after system crashes (see
+ // github.com/containers/libpod/issues/5485).
+ startCommand = append(startCommand, "--replace")
+ }
startCommand = append(startCommand, info.CreateCommand[index:]...)
info.ExecStartPre = "/usr/bin/rm -f {{.PIDFile}} {{.ContainerIDFile}}"
diff --git a/pkg/systemd/generate/containers_test.go b/pkg/systemd/generate/containers_test.go
index 8365ecd7a..8d3ea1ca0 100644
--- a/pkg/systemd/generate/containers_test.go
+++ b/pkg/systemd/generate/containers_test.go
@@ -103,7 +103,7 @@ Type=forking
[Install]
WantedBy=multi-user.target default.target`
- goodNameNew := `# jadda-jadda.service
+ goodWithNameAndGeneric := `# jadda-jadda.service
# autogenerated by Podman CI
[Unit]
@@ -116,7 +116,30 @@ After=network-online.target
Environment=PODMAN_SYSTEMD_UNIT=%n
Restart=always
ExecStartPre=/usr/bin/rm -f %t/jadda-jadda.pid %t/jadda-jadda.ctr-id
-ExecStart=/usr/bin/podman run --conmon-pidfile %t/jadda-jadda.pid --cidfile %t/jadda-jadda.ctr-id --cgroups=no-conmon -d --name jadda-jadda --hostname hello-world awesome-image:latest command arg1 ... argN
+ExecStart=/usr/bin/podman run --conmon-pidfile %t/jadda-jadda.pid --cidfile %t/jadda-jadda.ctr-id --cgroups=no-conmon -d --replace --name jadda-jadda --hostname hello-world awesome-image:latest command arg1 ... argN
+ExecStop=/usr/bin/podman stop --ignore --cidfile %t/jadda-jadda.ctr-id -t 42
+ExecStopPost=/usr/bin/podman rm --ignore -f --cidfile %t/jadda-jadda.ctr-id
+PIDFile=%t/jadda-jadda.pid
+KillMode=none
+Type=forking
+
+[Install]
+WantedBy=multi-user.target default.target`
+
+ goodWithExplicitShortDetachParam := `# jadda-jadda.service
+# autogenerated by Podman CI
+
+[Unit]
+Description=Podman jadda-jadda.service
+Documentation=man:podman-generate-systemd(1)
+Wants=network.target
+After=network-online.target
+
+[Service]
+Environment=PODMAN_SYSTEMD_UNIT=%n
+Restart=always
+ExecStartPre=/usr/bin/rm -f %t/jadda-jadda.pid %t/jadda-jadda.ctr-id
+ExecStart=/usr/bin/podman run --conmon-pidfile %t/jadda-jadda.pid --cidfile %t/jadda-jadda.ctr-id --cgroups=no-conmon --replace -d --name jadda-jadda --hostname hello-world awesome-image:latest command arg1 ... argN
ExecStop=/usr/bin/podman stop --ignore --cidfile %t/jadda-jadda.ctr-id -t 42
ExecStopPost=/usr/bin/podman rm --ignore -f --cidfile %t/jadda-jadda.ctr-id
PIDFile=%t/jadda-jadda.pid
@@ -139,7 +162,7 @@ After=network-online.target
Environment=PODMAN_SYSTEMD_UNIT=%n
Restart=always
ExecStartPre=/usr/bin/rm -f %t/jadda-jadda.pid %t/jadda-jadda.ctr-id
-ExecStart=/usr/bin/podman run --conmon-pidfile %t/jadda-jadda.pid --cidfile %t/jadda-jadda.ctr-id --cgroups=no-conmon --pod-id-file /tmp/pod-foobar.pod-id-file -d --name jadda-jadda --hostname hello-world awesome-image:latest command arg1 ... argN
+ExecStart=/usr/bin/podman run --conmon-pidfile %t/jadda-jadda.pid --cidfile %t/jadda-jadda.ctr-id --cgroups=no-conmon --pod-id-file /tmp/pod-foobar.pod-id-file --replace -d --name jadda-jadda --hostname hello-world awesome-image:latest command arg1 ... argN
ExecStop=/usr/bin/podman stop --ignore --cidfile %t/jadda-jadda.ctr-id -t 42
ExecStopPost=/usr/bin/podman rm --ignore -f --cidfile %t/jadda-jadda.ctr-id
PIDFile=%t/jadda-jadda.pid
@@ -148,6 +171,7 @@ Type=forking
[Install]
WantedBy=multi-user.target default.target`
+
goodNameNewDetach := `# jadda-jadda.service
# autogenerated by Podman CI
@@ -161,7 +185,7 @@ After=network-online.target
Environment=PODMAN_SYSTEMD_UNIT=%n
Restart=always
ExecStartPre=/usr/bin/rm -f %t/jadda-jadda.pid %t/jadda-jadda.ctr-id
-ExecStart=/usr/bin/podman run --conmon-pidfile %t/jadda-jadda.pid --cidfile %t/jadda-jadda.ctr-id --cgroups=no-conmon --detach --name jadda-jadda --hostname hello-world awesome-image:latest command arg1 ... argN
+ExecStart=/usr/bin/podman run --conmon-pidfile %t/jadda-jadda.pid --cidfile %t/jadda-jadda.ctr-id --cgroups=no-conmon --replace --detach --name jadda-jadda --hostname hello-world awesome-image:latest command arg1 ... argN
ExecStop=/usr/bin/podman stop --ignore --cidfile %t/jadda-jadda.ctr-id -t 42
ExecStopPost=/usr/bin/podman rm --ignore -f --cidfile %t/jadda-jadda.ctr-id
PIDFile=%t/jadda-jadda.pid
@@ -274,7 +298,7 @@ WantedBy=multi-user.target default.target`
CreateCommand: []string{"I'll get stripped", "container", "run", "--name", "jadda-jadda", "--hostname", "hello-world", "awesome-image:latest", "command", "arg1", "...", "argN"},
EnvVariable: EnvVariable,
},
- goodNameNew,
+ goodWithNameAndGeneric,
true,
false,
},
@@ -290,7 +314,7 @@ WantedBy=multi-user.target default.target`
CreateCommand: []string{"I'll get stripped", "container", "run", "-d", "--name", "jadda-jadda", "--hostname", "hello-world", "awesome-image:latest", "command", "arg1", "...", "argN"},
EnvVariable: EnvVariable,
},
- goodNameNew,
+ goodWithExplicitShortDetachParam,
true,
false,
},
diff --git a/pkg/systemd/generate/pods.go b/pkg/systemd/generate/pods.go
index 5cfd5ab0a..367b8381f 100644
--- a/pkg/systemd/generate/pods.go
+++ b/pkg/systemd/generate/pods.go
@@ -265,7 +265,7 @@ func executePodTemplate(info *podInfo, options entities.GenerateSystemdOptions)
if podCreateIndex == 0 {
return "", errors.Errorf("pod does not appear to be created via `podman pod create`: %v", info.CreateCommand)
}
- podRootArgs = info.CreateCommand[1 : podCreateIndex-2]
+ podRootArgs = info.CreateCommand[0 : podCreateIndex-2]
podCreateArgs = filterPodFlags(info.CreateCommand[podCreateIndex+1:])
}
// We're hard-coding the first five arguments and append the
@@ -277,6 +277,21 @@ func executePodTemplate(info *podInfo, options entities.GenerateSystemdOptions)
"--infra-conmon-pidfile", "{{.PIDFile}}",
"--pod-id-file", "{{.PodIDFile}}"}...)
+ // Presence check for certain flags/options.
+ hasNameParam := false
+ hasReplaceParam := false
+ for _, p := range podCreateArgs {
+ switch p {
+ case "--name":
+ hasNameParam = true
+ case "--replace":
+ hasReplaceParam = true
+ }
+ }
+ if hasNameParam && !hasReplaceParam {
+ podCreateArgs = append(podCreateArgs, "--replace")
+ }
+
startCommand = append(startCommand, podCreateArgs...)
info.ExecStartPre1 = "/usr/bin/rm -f {{.PIDFile}} {{.PodIDFile}}"
diff --git a/pkg/systemd/generate/pods_test.go b/pkg/systemd/generate/pods_test.go
index f6e225c35..f7ce33a30 100644
--- a/pkg/systemd/generate/pods_test.go
+++ b/pkg/systemd/generate/pods_test.go
@@ -36,7 +36,7 @@ func TestValidateRestartPolicyPod(t *testing.T) {
}
func TestCreatePodSystemdUnit(t *testing.T) {
- podGoodName := `# pod-123abc.service
+ podGood := `# pod-123abc.service
# autogenerated by Podman CI
[Unit]
@@ -59,10 +59,37 @@ Type=forking
[Install]
WantedBy=multi-user.target default.target`
+ podGoodNamedNew := `# pod-123abc.service
+# autogenerated by Podman CI
+
+[Unit]
+Description=Podman pod-123abc.service
+Documentation=man:podman-generate-systemd(1)
+Wants=network.target
+After=network-online.target
+Requires=container-1.service container-2.service
+Before=container-1.service container-2.service
+
+[Service]
+Environment=PODMAN_SYSTEMD_UNIT=%n
+Restart=on-failure
+ExecStartPre=/usr/bin/rm -f %t/pod-123abc.pid %t/pod-123abc.pod-id
+ExecStartPre=/usr/bin/podman pod create --infra-conmon-pidfile %t/pod-123abc.pid --pod-id-file %t/pod-123abc.pod-id --name foo --replace
+ExecStart=/usr/bin/podman pod start --pod-id-file %t/pod-123abc.pod-id
+ExecStop=/usr/bin/podman pod stop --ignore --pod-id-file %t/pod-123abc.pod-id -t 10
+ExecStopPost=/usr/bin/podman pod rm --ignore -f --pod-id-file %t/pod-123abc.pod-id
+PIDFile=%t/pod-123abc.pid
+KillMode=none
+Type=forking
+
+[Install]
+WantedBy=multi-user.target default.target`
+
tests := []struct {
name string
info podInfo
want string
+ new bool
wantErr bool
}{
{"pod",
@@ -76,7 +103,24 @@ WantedBy=multi-user.target default.target`
PodmanVersion: "CI",
RequiredServices: []string{"container-1", "container-2"},
},
- podGoodName,
+ podGood,
+ false,
+ false,
+ },
+ {"pod --new",
+ podInfo{
+ Executable: "/usr/bin/podman",
+ ServiceName: "pod-123abc",
+ InfraNameOrID: "jadda-jadda-infra",
+ RestartPolicy: "on-failure",
+ PIDFile: "/var/run/containers/storage/overlay-containers/639c53578af4d84b8800b4635fa4e680ee80fd67e0e6a2d4eea48d1e3230f401/userdata/conmon.pid",
+ StopTimeout: 10,
+ PodmanVersion: "CI",
+ RequiredServices: []string{"container-1", "container-2"},
+ CreateCommand: []string{"podman", "pod", "create", "--name", "foo"},
+ },
+ podGoodNamedNew,
+ true,
false,
},
}
@@ -86,6 +130,7 @@ WantedBy=multi-user.target default.target`
t.Run(tt.name, func(t *testing.T) {
opts := entities.GenerateSystemdOptions{
Files: false,
+ New: test.new,
}
got, err := executePodTemplate(&test.info, opts)
if (err != nil) != test.wantErr {
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-09-30 20:22:22 +0000