opensource/podman
1
0
Fork 0
mirror of https://github.com/containers/podman.git synced 2025-06-24 11:28:24 +08:00
Code Issues Packages Projects Releases Wiki Activity

generate systemd: use --cidfile again

Browse Source 
Commit 9ac5267 changed the type of the generated systemd units from
`forking` to `notify`.  It further stopped using `--cidfile` and instead
intended systemd to take care of stopping the container, which turned
out to be a bad idea.

Systemd will send the stop/kill signals to conmon which in turn may exit
non-zero, depending on the signal, and ultimately breaking container
cleanup.

Hence, we need to use --cidfile again and let podman stop and remove the
container to make sure that everything's in order.

Fixes: #11304
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
This commit is contained in:
Valentin Rothberg
2021-08-24 13:58:06 +02:00
parent 74ab2aaf9f
commit 274d6fa19c
5 changed files with 84 additions and 25 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
pkg/systemd/generate/common.go
View File

@ -71,11 +71,12 @@ func filterCommonContainerFlags(command []string, argCount int) []string {
case s == "--rm":
// Boolean flags support --flag and --flag={true,false}.
continue
case s == "--sdnotify", s == "--cgroups":
case s == "--sdnotify", s == "--cgroups", s == "--cidfile":
i++
continue
case strings.HasPrefix(s, "--rm="),
strings.HasPrefix(s, "--cgroups="):
strings.HasPrefix(s, "--cgroups="),
strings.HasPrefix(s, "--cidfile="):
continue
}
processed = append(processed, s)

4
pkg/systemd/generate/common_test.go
View File

@ -103,12 +103,12 @@ func TestFilterCommonContainerFlags(t *testing.T) {
},
{
[]string{"podman", "run", "--cidfile", "foo", "alpine"},
[]string{"podman", "run", "--cidfile", "foo", "alpine"},
[]string{"podman", "run", "alpine"},
1,
},
{
[]string{"podman", "run", "--cidfile=foo", "alpine"},
[]string{"podman", "run", "--cidfile=foo", "alpine"},
[]string{"podman", "run", "alpine"},
1,
},
{

8
pkg/systemd/generate/containers.go
View File

@ -233,9 +233,10 @@ func executeContainerTemplate(info *containerInfo, options entities.GenerateSyst
info.Type = "notify"
info.NotifyAccess = "all"
info.PIDFile = ""
info.ContainerIDFile = ""
info.ExecStop = ""
info.ExecStopPost = ""
info.ContainerIDFile = "%t/%n.ctr-id"
info.ExecStartPre = "/bin/rm -f {{{{.ContainerIDFile}}}}"
info.ExecStop = "{{{{.Executable}}}} stop --ignore --cidfile={{{{.ContainerIDFile}}}}"
info.ExecStopPost = "{{{{.Executable}}}} rm -f --ignore --cidfile={{{{.ContainerIDFile}}}}"
// The create command must at least have three arguments:
// /usr/bin/podman run $IMAGE
index := 0
@ -258,6 +259,7 @@ func executeContainerTemplate(info *containerInfo, options entities.GenerateSyst
}
startCommand = append(startCommand,
"run",
"--cidfile={{{{.ContainerIDFile}}}}",
"--cgroups=no-conmon",
"--rm",
)

75
pkg/systemd/generate/containers_test.go
View File

@ -130,7 +130,10 @@ RequiresMountsFor=/var/run/containers/storage
Environment=PODMAN_SYSTEMD_UNIT=%n
Restart=always
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"
ExecStartPre=/bin/rm -f %t/%n.ctr-id
ExecStart=/usr/bin/podman container run --cidfile=%t/%n.ctr-id --cgroups=no-conmon --rm --sdnotify=conmon -d --replace --name jadda-jadda --hostname hello-world awesome-image:latest command arg1 ... argN "foo=arg \"with \" space"
ExecStop=/usr/bin/podman stop --ignore --cidfile=%t/%n.ctr-id
ExecStopPost=/usr/bin/podman rm -f --ignore --cidfile=%t/%n.ctr-id
Type=notify
NotifyAccess=all
@ -152,7 +155,10 @@ RequiresMountsFor=/var/run/containers/storage
Environment=PODMAN_SYSTEMD_UNIT=%n
Restart=always
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"
ExecStartPre=/bin/rm -f %t/%n.ctr-id
ExecStart=/usr/bin/podman container run --cidfile=%t/%n.ctr-id --cgroups=no-conmon --rm -d --replace --sdnotify=container --name jadda-jadda --hostname hello-world awesome-image:latest command arg1 ... argN "foo=arg \"with \" space"
ExecStop=/usr/bin/podman stop --ignore --cidfile=%t/%n.ctr-id
ExecStopPost=/usr/bin/podman rm -f --ignore --cidfile=%t/%n.ctr-id
Type=notify
NotifyAccess=all
@ -174,7 +180,10 @@ RequiresMountsFor=/var/run/containers/storage
Environment=PODMAN_SYSTEMD_UNIT=%n
Restart=always
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
ExecStartPre=/bin/rm -f %t/%n.ctr-id
ExecStart=/usr/bin/podman run --cidfile=%t/%n.ctr-id --cgroups=no-conmon --rm --sdnotify=conmon --replace -d --name jadda-jadda --hostname hello-world awesome-image:latest command arg1 ... argN
ExecStop=/usr/bin/podman stop --ignore --cidfile=%t/%n.ctr-id
ExecStopPost=/usr/bin/podman rm -f --ignore --cidfile=%t/%n.ctr-id
Type=notify
NotifyAccess=all
@ -196,7 +205,10 @@ RequiresMountsFor=/var/run/containers/storage
Environment=PODMAN_SYSTEMD_UNIT=%n
Restart=always
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
ExecStartPre=/bin/rm -f %t/%n.ctr-id
ExecStart=/usr/bin/podman run --cidfile=%t/%n.ctr-id --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
ExecStop=/usr/bin/podman stop --ignore --cidfile=%t/%n.ctr-id
ExecStopPost=/usr/bin/podman rm -f --ignore --cidfile=%t/%n.ctr-id
Type=notify
NotifyAccess=all
@ -218,7 +230,10 @@ RequiresMountsFor=/var/run/containers/storage
Environment=PODMAN_SYSTEMD_UNIT=%n
Restart=always
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
ExecStartPre=/bin/rm -f %t/%n.ctr-id
ExecStart=/usr/bin/podman run --cidfile=%t/%n.ctr-id --cgroups=no-conmon --rm --sdnotify=conmon --replace --detach --name jadda-jadda --hostname hello-world awesome-image:latest command arg1 ... argN
ExecStop=/usr/bin/podman stop --ignore --cidfile=%t/%n.ctr-id
ExecStopPost=/usr/bin/podman rm -f --ignore --cidfile=%t/%n.ctr-id
Type=notify
NotifyAccess=all
@ -240,7 +255,10 @@ RequiresMountsFor=/var/run/containers/storage
Environment=PODMAN_SYSTEMD_UNIT=%n
Restart=always
TimeoutStopSec=70
ExecStart=/usr/bin/podman run --cgroups=no-conmon --rm --sdnotify=conmon -d awesome-image:latest
ExecStartPre=/bin/rm -f %t/%n.ctr-id
ExecStart=/usr/bin/podman run --cidfile=%t/%n.ctr-id --cgroups=no-conmon --rm --sdnotify=conmon -d awesome-image:latest
ExecStop=/usr/bin/podman stop --ignore --cidfile=%t/%n.ctr-id
ExecStopPost=/usr/bin/podman rm -f --ignore --cidfile=%t/%n.ctr-id
Type=notify
NotifyAccess=all
@ -263,9 +281,12 @@ RequiresMountsFor=/var/run/containers/storage
Environment=PODMAN_SYSTEMD_UNIT=%n
Restart=always
TimeoutStopSec=102
ExecStart=/usr/bin/podman run --cgroups=no-conmon --rm --sdnotify=conmon ` +
ExecStartPre=/bin/rm -f %t/%n.ctr-id
ExecStart=/usr/bin/podman run --cidfile=%t/%n.ctr-id --cgroups=no-conmon --rm --sdnotify=conmon ` +
detachparam +
` awesome-image:latest
ExecStop=/usr/bin/podman stop --ignore --cidfile=%t/%n.ctr-id
ExecStopPost=/usr/bin/podman rm -f --ignore --cidfile=%t/%n.ctr-id
Type=notify
NotifyAccess=all
@ -289,7 +310,10 @@ RequiresMountsFor=/var/run/containers/storage
Environment=PODMAN_SYSTEMD_UNIT=%n
Restart=always
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
ExecStartPre=/bin/rm -f %t/%n.ctr-id
ExecStart=/usr/bin/podman run --cidfile=%t/%n.ctr-id --cgroups=no-conmon --rm --sdnotify=conmon -d --replace --name test -p 80:80 awesome-image:latest somecmd --detach=false
ExecStop=/usr/bin/podman stop --ignore --cidfile=%t/%n.ctr-id
ExecStopPost=/usr/bin/podman rm -f --ignore --cidfile=%t/%n.ctr-id
Type=notify
NotifyAccess=all
@ -311,7 +335,10 @@ RequiresMountsFor=/var/run/containers/storage
Environment=PODMAN_SYSTEMD_UNIT=%n
Restart=always
TimeoutStopSec=102
ExecStart=/usr/bin/podman --events-backend none --runroot /root run --cgroups=no-conmon --rm --sdnotify=conmon -d awesome-image:latest
ExecStartPre=/bin/rm -f %t/%n.ctr-id
ExecStart=/usr/bin/podman --events-backend none --runroot /root run --cidfile=%t/%n.ctr-id --cgroups=no-conmon --rm --sdnotify=conmon -d awesome-image:latest
ExecStop=/usr/bin/podman stop --ignore --cidfile=%t/%n.ctr-id
ExecStopPost=/usr/bin/podman rm -f --ignore --cidfile=%t/%n.ctr-id
Type=notify
NotifyAccess=all
@ -333,7 +360,10 @@ RequiresMountsFor=/var/run/containers/storage
Environment=PODMAN_SYSTEMD_UNIT=%n
Restart=always
TimeoutStopSec=70
ExecStart=/usr/bin/podman container run --cgroups=no-conmon --rm --sdnotify=conmon -d awesome-image:latest
ExecStartPre=/bin/rm -f %t/%n.ctr-id
ExecStart=/usr/bin/podman container run --cidfile=%t/%n.ctr-id --cgroups=no-conmon --rm --sdnotify=conmon -d awesome-image:latest
ExecStop=/usr/bin/podman stop --ignore --cidfile=%t/%n.ctr-id
ExecStopPost=/usr/bin/podman rm -f --ignore --cidfile=%t/%n.ctr-id
Type=notify
NotifyAccess=all
@ -355,7 +385,10 @@ RequiresMountsFor=/var/run/containers/storage
Environment=PODMAN_SYSTEMD_UNIT=%n
Restart=always
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
ExecStartPre=/bin/rm -f %t/%n.ctr-id
ExecStart=/usr/bin/podman run --cidfile=%t/%n.ctr-id --cgroups=no-conmon --rm --sdnotify=conmon -d --replace --name test --log-driver=journald --log-opt=tag={{.Name}} awesome-image:latest
ExecStop=/usr/bin/podman stop --ignore --cidfile=%t/%n.ctr-id
ExecStopPost=/usr/bin/podman rm -f --ignore --cidfile=%t/%n.ctr-id
Type=notify
NotifyAccess=all
@ -377,7 +410,10 @@ RequiresMountsFor=/var/run/containers/storage
Environment=PODMAN_SYSTEMD_UNIT=%n
Restart=always
TimeoutStopSec=70
ExecStart=/usr/bin/podman run --cgroups=no-conmon --rm --sdnotify=conmon -d --replace --name test awesome-image:latest sh -c "kill $$$$ && echo %%\\"
ExecStartPre=/bin/rm -f %t/%n.ctr-id
ExecStart=/usr/bin/podman run --cidfile=%t/%n.ctr-id --cgroups=no-conmon --rm --sdnotify=conmon -d --replace --name test awesome-image:latest sh -c "kill $$$$ && echo %%\\"
ExecStop=/usr/bin/podman stop --ignore --cidfile=%t/%n.ctr-id
ExecStopPost=/usr/bin/podman rm -f --ignore --cidfile=%t/%n.ctr-id
Type=notify
NotifyAccess=all
@ -399,7 +435,10 @@ RequiresMountsFor=/var/run/containers/storage
Environment=PODMAN_SYSTEMD_UNIT=%n
Restart=always
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
ExecStartPre=/bin/rm -f %t/%n.ctr-id
ExecStart=/usr/bin/podman run --cidfile=%t/%n.ctr-id --cgroups=no-conmon --rm --sdnotify=conmon -d --conmon-pidfile=foo awesome-image:latest podman run --cgroups=foo --conmon-pidfile=foo --cidfile=foo alpine
ExecStop=/usr/bin/podman stop --ignore --cidfile=%t/%n.ctr-id
ExecStopPost=/usr/bin/podman rm -f --ignore --cidfile=%t/%n.ctr-id
Type=notify
NotifyAccess=all
@ -421,7 +460,10 @@ RequiresMountsFor=/var/run/containers/storage
Environment=PODMAN_SYSTEMD_UNIT=%n
Restart=always
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
ExecStartPre=/bin/rm -f %t/%n.ctr-id
ExecStart=/usr/bin/podman run --cidfile=%t/%n.ctr-id --cgroups=no-conmon --rm --pod-id-file %t/pod-foobar.pod-id-file --sdnotify=conmon -d --conmon-pidfile=foo awesome-image:latest podman run --cgroups=foo --conmon-pidfile=foo --cidfile=foo --pod-id-file /tmp/pod-foobar.pod-id-file alpine
ExecStop=/usr/bin/podman stop --ignore --cidfile=%t/%n.ctr-id
ExecStopPost=/usr/bin/podman rm -f --ignore --cidfile=%t/%n.ctr-id
Type=notify
NotifyAccess=all
@ -444,7 +486,10 @@ Environment=PODMAN_SYSTEMD_UNIT=%n
Environment=FOO=abc "BAR=my test" USER=%%a
Restart=always
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
ExecStartPre=/bin/rm -f %t/%n.ctr-id
ExecStart=/usr/bin/podman run --cidfile=%t/%n.ctr-id --cgroups=no-conmon --rm --sdnotify=conmon -d --env FOO --env=BAR --env=MYENV=2 -e USER awesome-image:latest
ExecStop=/usr/bin/podman stop --ignore --cidfile=%t/%n.ctr-id
ExecStopPost=/usr/bin/podman rm -f --ignore --cidfile=%t/%n.ctr-id
Type=notify
NotifyAccess=all

17
test/system/250-systemd.bats
View File

@ -46,11 +46,20 @@ function service_setup() {
# Helper to stop a systemd service running a container
function service_cleanup() {
local status=$1
run systemctl stop "$SERVICE_NAME"
if [ $status -ne 0 ]; then
die "Error stopping systemd unit $SERVICE_NAME, output: $output"
fi
if [[ -z "$status" ]]; then
run systemctl is-active "$SERVICE_NAME"
if [ $status -ne 0 ]; then
die "Error checking stauts of systemd unit $SERVICE_NAME, output: $output"
fi
is "$output" "$status" "$SERVICE_NAME not in expected state"
fi
rm -f "$UNIT_FILE"
systemctl daemon-reload
}
@ -60,7 +69,8 @@ function service_cleanup() {
@test "podman generate - systemd - basic" {
cname=$(random_string)
# See #7407 for --pull=always.
run_podman create --pull=always --name $cname --label "io.containers.autoupdate=registry" $IMAGE top
run_podman create --pull=always --name $cname --label "io.containers.autoupdate=registry" $IMAGE \
sh -c "trap 'echo Received SIGTERM, finishing; exit' SIGTERM; echo WAITING; while :; do sleep 0.1; done"
# Start systemd service to run this container
service_setup
@ -68,7 +78,7 @@ function service_cleanup() {
# Give container time to start; make sure output looks top-like
sleep 2
run_podman logs $cname
is "$output" ".*Load average:.*" "running container 'top'-like output"
is "$output" ".*WAITING.*" "running is waiting for signal"
# Exercise `podman auto-update`.
# TODO: this will at least run auto-update code but won't perform an update
@ -77,7 +87,8 @@ function service_cleanup() {
run_podman auto-update
# All good. Stop service, clean up.
service_cleanup
# Also make sure the service is in the `inactive` state (see #11304).
service_cleanup inactive
}
@test "podman autoupdate local" {