From 74ab2aaf9f27e1495a74c37932a634c82af9a57b Mon Sep 17 00:00:00 2001 From: Valentin Rothberg Date: Tue, 24 Aug 2021 13:33:00 +0200 Subject: Revert "generate systemd: custom stop signal" This reverts commit 70801b3d714b067d64744697433c5841926dad4d. It turns out that letting systemd handle stopping the container is not working as I thought it will. Conmon is receiving the stop/kill signals and may exit non-zero, which in turn lets the systemd service transition into the `failed` state. We need to get back to letting Podman stop the containers and do a partial revert of commit 9ac5267 which removed using --cidfile. Happening in a following commit. Signed-off-by: Valentin Rothberg --- pkg/systemd/generate/common.go | 6 +++--- pkg/systemd/generate/containers.go | 23 +---------------------- pkg/systemd/generate/containers_test.go | 30 +++++++++++++++--------------- pkg/systemd/generate/pods.go | 2 +- pkg/systemd/generate/pods_test.go | 10 +++++----- 5 files changed, 25 insertions(+), 46 deletions(-) (limited to 'pkg/systemd') diff --git a/pkg/systemd/generate/common.go b/pkg/systemd/generate/common.go index f2092c0ae..45e12014a 100644 --- a/pkg/systemd/generate/common.go +++ b/pkg/systemd/generate/common.go @@ -8,9 +8,9 @@ import ( "github.com/pkg/errors" ) -// minTimeoutStopSec is the minimal stop timeout for generated systemd units -// without --new. Once exceeded, processes of the services are killed and the -// cgroup(s) are cleaned up. +// minTimeoutStopSec is the minimal stop timeout for generated systemd units. +// Once exceeded, processes of the services are killed and the cgroup(s) are +// cleaned up. const minTimeoutStopSec = 60 // validateRestartPolicy checks that the user-provided policy is valid. diff --git a/pkg/systemd/generate/containers.go b/pkg/systemd/generate/containers.go index 66cf5ca44..78b81b54b 100644 --- a/pkg/systemd/generate/containers.go +++ b/pkg/systemd/generate/containers.go @@ -16,7 +16,6 @@ import ( "github.com/pkg/errors" "github.com/sirupsen/logrus" "github.com/spf13/pflag" - "golang.org/x/sys/unix" ) // containerInfo contains data required for generating a container's systemd @@ -33,8 +32,6 @@ type containerInfo struct { // StopTimeout sets the timeout Podman waits before killing the container // during service stop. StopTimeout uint - // KillSignal of the container. - KillSignal string // 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 @@ -105,9 +102,6 @@ Environment={{{{- range $index, $value := .ExtraEnvs -}}}}{{{{if $index}}}} {{{{ {{{{- end}}}} Restart={{{{.RestartPolicy}}}} TimeoutStopSec={{{{.TimeoutStopSec}}}} -{{{{- if .KillSignal}}}} -KillSignal={{{{.KillSignal}}}} -{{{{- end}}}} {{{{- if .ExecStartPre}}}} ExecStartPre={{{{.ExecStartPre}}}} {{{{- end}}}} @@ -190,13 +184,6 @@ func generateContainerInfo(ctr *libpod.Container, options entities.GenerateSyste containerEnv: envs, } - // Set a custom kill signal for non SIGTERM (already default in - // systemd) signals. - stopSignal := ctr.StopSignal() - if stopSignal != uint(unix.SIGTERM) { - info.KillSignal = fmt.Sprintf("%d", stopSignal) - } - return &info, nil } @@ -372,15 +359,7 @@ func executeContainerTemplate(info *containerInfo, options entities.GenerateSyst info.ExecStart = strings.Join(startCommand, " ") } - info.TimeoutStopSec = info.StopTimeout - - // For units without --new add an additional 60 seconds to the stop - // timeout to make sure that Podman stop has enough time to properly - // shutdown and cleanup the container before systemd starts to nuke - // everything in the cgroup. - if !options.New { - info.TimeoutStopSec += minTimeoutStopSec - } + info.TimeoutStopSec = minTimeoutStopSec + info.StopTimeout if info.PodmanVersion == "" { info.PodmanVersion = version.Version.String() diff --git a/pkg/systemd/generate/containers_test.go b/pkg/systemd/generate/containers_test.go index ef3bbb5ae..6141950d0 100644 --- a/pkg/systemd/generate/containers_test.go +++ b/pkg/systemd/generate/containers_test.go @@ -129,7 +129,7 @@ RequiresMountsFor=/var/run/containers/storage [Service] Environment=PODMAN_SYSTEMD_UNIT=%n Restart=always -TimeoutStopSec=10 +TimeoutStopSec=70 ExecStart=/usr/bin/podman container run --cgroups=no-conmon --rm --sdnotify=conmon -d --replace --name jadda-jadda --hostname hello-world awesome-image:latest command arg1 ... argN "foo=arg \"with \" space" Type=notify NotifyAccess=all @@ -151,7 +151,7 @@ RequiresMountsFor=/var/run/containers/storage [Service] Environment=PODMAN_SYSTEMD_UNIT=%n Restart=always -TimeoutStopSec=10 +TimeoutStopSec=70 ExecStart=/usr/bin/podman container run --cgroups=no-conmon --rm -d --replace --sdnotify=container --name jadda-jadda --hostname hello-world awesome-image:latest command arg1 ... argN "foo=arg \"with \" space" Type=notify NotifyAccess=all @@ -173,7 +173,7 @@ RequiresMountsFor=/var/run/containers/storage [Service] Environment=PODMAN_SYSTEMD_UNIT=%n Restart=always -TimeoutStopSec=10 +TimeoutStopSec=70 ExecStart=/usr/bin/podman run --cgroups=no-conmon --rm --sdnotify=conmon --replace -d --name jadda-jadda --hostname hello-world awesome-image:latest command arg1 ... argN Type=notify NotifyAccess=all @@ -195,7 +195,7 @@ RequiresMountsFor=/var/run/containers/storage [Service] Environment=PODMAN_SYSTEMD_UNIT=%n Restart=always -TimeoutStopSec=10 +TimeoutStopSec=70 ExecStart=/usr/bin/podman run --cgroups=no-conmon --rm --pod-id-file %t/pod-foobar.pod-id-file --sdnotify=conmon --replace -d --name jadda-jadda --hostname hello-world awesome-image:latest command arg1 ... argN Type=notify NotifyAccess=all @@ -217,7 +217,7 @@ RequiresMountsFor=/var/run/containers/storage [Service] Environment=PODMAN_SYSTEMD_UNIT=%n Restart=always -TimeoutStopSec=10 +TimeoutStopSec=70 ExecStart=/usr/bin/podman run --cgroups=no-conmon --rm --sdnotify=conmon --replace --detach --name jadda-jadda --hostname hello-world awesome-image:latest command arg1 ... argN Type=notify NotifyAccess=all @@ -239,7 +239,7 @@ RequiresMountsFor=/var/run/containers/storage [Service] Environment=PODMAN_SYSTEMD_UNIT=%n Restart=always -TimeoutStopSec=10 +TimeoutStopSec=70 ExecStart=/usr/bin/podman run --cgroups=no-conmon --rm --sdnotify=conmon -d awesome-image:latest Type=notify NotifyAccess=all @@ -262,7 +262,7 @@ RequiresMountsFor=/var/run/containers/storage [Service] Environment=PODMAN_SYSTEMD_UNIT=%n Restart=always -TimeoutStopSec=42 +TimeoutStopSec=102 ExecStart=/usr/bin/podman run --cgroups=no-conmon --rm --sdnotify=conmon ` + detachparam + ` awesome-image:latest @@ -288,7 +288,7 @@ RequiresMountsFor=/var/run/containers/storage [Service] Environment=PODMAN_SYSTEMD_UNIT=%n Restart=always -TimeoutStopSec=42 +TimeoutStopSec=102 ExecStart=/usr/bin/podman run --cgroups=no-conmon --rm --sdnotify=conmon -d --replace --name test -p 80:80 awesome-image:latest somecmd --detach=false Type=notify NotifyAccess=all @@ -310,7 +310,7 @@ RequiresMountsFor=/var/run/containers/storage [Service] Environment=PODMAN_SYSTEMD_UNIT=%n Restart=always -TimeoutStopSec=42 +TimeoutStopSec=102 ExecStart=/usr/bin/podman --events-backend none --runroot /root run --cgroups=no-conmon --rm --sdnotify=conmon -d awesome-image:latest Type=notify NotifyAccess=all @@ -332,7 +332,7 @@ RequiresMountsFor=/var/run/containers/storage [Service] Environment=PODMAN_SYSTEMD_UNIT=%n Restart=always -TimeoutStopSec=10 +TimeoutStopSec=70 ExecStart=/usr/bin/podman container run --cgroups=no-conmon --rm --sdnotify=conmon -d awesome-image:latest Type=notify NotifyAccess=all @@ -354,7 +354,7 @@ RequiresMountsFor=/var/run/containers/storage [Service] Environment=PODMAN_SYSTEMD_UNIT=%n Restart=always -TimeoutStopSec=10 +TimeoutStopSec=70 ExecStart=/usr/bin/podman run --cgroups=no-conmon --rm --sdnotify=conmon -d --replace --name test --log-driver=journald --log-opt=tag={{.Name}} awesome-image:latest Type=notify NotifyAccess=all @@ -376,7 +376,7 @@ RequiresMountsFor=/var/run/containers/storage [Service] Environment=PODMAN_SYSTEMD_UNIT=%n Restart=always -TimeoutStopSec=10 +TimeoutStopSec=70 ExecStart=/usr/bin/podman run --cgroups=no-conmon --rm --sdnotify=conmon -d --replace --name test awesome-image:latest sh -c "kill $$$$ && echo %%\\" Type=notify NotifyAccess=all @@ -398,7 +398,7 @@ RequiresMountsFor=/var/run/containers/storage [Service] Environment=PODMAN_SYSTEMD_UNIT=%n Restart=always -TimeoutStopSec=10 +TimeoutStopSec=70 ExecStart=/usr/bin/podman run --cgroups=no-conmon --rm --sdnotify=conmon -d --conmon-pidfile=foo --cidfile=foo awesome-image:latest podman run --cgroups=foo --conmon-pidfile=foo --cidfile=foo alpine Type=notify NotifyAccess=all @@ -420,7 +420,7 @@ RequiresMountsFor=/var/run/containers/storage [Service] Environment=PODMAN_SYSTEMD_UNIT=%n Restart=always -TimeoutStopSec=10 +TimeoutStopSec=70 ExecStart=/usr/bin/podman run --cgroups=no-conmon --rm --pod-id-file %t/pod-foobar.pod-id-file --sdnotify=conmon -d --conmon-pidfile=foo --cidfile=foo awesome-image:latest podman run --cgroups=foo --conmon-pidfile=foo --cidfile=foo --pod-id-file /tmp/pod-foobar.pod-id-file alpine Type=notify NotifyAccess=all @@ -443,7 +443,7 @@ RequiresMountsFor=/var/run/containers/storage Environment=PODMAN_SYSTEMD_UNIT=%n Environment=FOO=abc "BAR=my test" USER=%%a Restart=always -TimeoutStopSec=10 +TimeoutStopSec=70 ExecStart=/usr/bin/podman run --cgroups=no-conmon --rm --sdnotify=conmon -d --env FOO --env=BAR --env=MYENV=2 -e USER awesome-image:latest Type=notify NotifyAccess=all diff --git a/pkg/systemd/generate/pods.go b/pkg/systemd/generate/pods.go index d49828884..1b92649e8 100644 --- a/pkg/systemd/generate/pods.go +++ b/pkg/systemd/generate/pods.go @@ -323,7 +323,7 @@ func executePodTemplate(info *podInfo, options entities.GenerateSystemdOptions) info.ExecStop = "{{{{.Executable}}}} {{{{if .RootFlags}}}}{{{{ .RootFlags}}}} {{{{end}}}}pod stop --ignore --pod-id-file {{{{.PodIDFile}}}} {{{{if (ge .StopTimeout 0)}}}}-t {{{{.StopTimeout}}}}{{{{end}}}}" info.ExecStopPost = "{{{{.Executable}}}} {{{{if .RootFlags}}}}{{{{ .RootFlags}}}} {{{{end}}}}pod rm --ignore -f --pod-id-file {{{{.PodIDFile}}}}" } - info.TimeoutStopSec = info.StopTimeout + info.TimeoutStopSec = minTimeoutStopSec + info.StopTimeout if info.PodmanVersion == "" { info.PodmanVersion = version.Version.String() diff --git a/pkg/systemd/generate/pods_test.go b/pkg/systemd/generate/pods_test.go index 49a4ed23f..4b8a9ffd5 100644 --- a/pkg/systemd/generate/pods_test.go +++ b/pkg/systemd/generate/pods_test.go @@ -54,7 +54,7 @@ Before=container-1.service container-2.service [Service] Environment=PODMAN_SYSTEMD_UNIT=%n Restart=always -TimeoutStopSec=42 +TimeoutStopSec=102 ExecStart=/usr/bin/podman start jadda-jadda-infra ExecStop=/usr/bin/podman stop -t 42 jadda-jadda-infra ExecStopPost=/usr/bin/podman stop -t 42 jadda-jadda-infra @@ -82,7 +82,7 @@ Before=container-1.service container-2.service [Service] Environment=PODMAN_SYSTEMD_UNIT=%n Restart=on-failure -TimeoutStopSec=10 +TimeoutStopSec=70 ExecStartPre=/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 "bar=arg with space" --replace ExecStart=/usr/bin/podman pod start --pod-id-file %t/pod-123abc.pod-id @@ -110,7 +110,7 @@ Before=container-1.service container-2.service [Service] Environment=PODMAN_SYSTEMD_UNIT=%n Restart=on-failure -TimeoutStopSec=10 +TimeoutStopSec=70 ExecStartPre=/bin/rm -f %t/pod-123abc.pid %t/pod-123abc.pod-id ExecStartPre=/usr/bin/podman --events-backend none --runroot /root pod create --infra-conmon-pidfile %t/pod-123abc.pid --pod-id-file %t/pod-123abc.pod-id --name foo "bar=arg with space" --replace ExecStart=/usr/bin/podman --events-backend none --runroot /root pod start --pod-id-file %t/pod-123abc.pod-id @@ -138,7 +138,7 @@ Before=container-1.service container-2.service [Service] Environment=PODMAN_SYSTEMD_UNIT=%n Restart=on-failure -TimeoutStopSec=10 +TimeoutStopSec=70 ExecStartPre=/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 @@ -166,7 +166,7 @@ Before=container-1.service container-2.service [Service] Environment=PODMAN_SYSTEMD_UNIT=%n Restart=on-failure -TimeoutStopSec=10 +TimeoutStopSec=70 ExecStartPre=/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 --label key={{someval}} --replace ExecStart=/usr/bin/podman pod start --pod-id-file %t/pod-123abc.pod-id -- cgit v1.2.3-54-g00ecf