mirror of
https://github.com/containers/podman.git
synced 2025-05-31 15:42:48 +08:00
c18ad2bfd9
the podman generate systemd command will generate a systemd unit file based on the attributes of an existing container and user inputs. the command outputs the unit file to stdout for the user to copy or redirect. it is enabled for the remote client as well. users can set a restart policy as well as define a stop timeout override for the container. Signed-off-by: baude <bbaude@redhat.com>
44 lines
1.1 KiB
Go
44 lines
1.1 KiB
Go
package systemdgen
|
|
|
|
import (
|
|
"fmt"
|
|
"path/filepath"
|
|
|
|
"github.com/pkg/errors"
|
|
)
|
|
|
|
var template = `[Unit]
|
|
Description=%s Podman Container
|
|
[Service]
|
|
Restart=%s
|
|
ExecStart=/usr/bin/podman start %s
|
|
ExecStop=/usr/bin/podman stop -t %d %s
|
|
KillMode=none
|
|
Type=forking
|
|
PIDFile=%s
|
|
[Install]
|
|
WantedBy=multi-user.target`
|
|
|
|
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 {
|
|
for _, i := range restartPolicies {
|
|
if i == restart {
|
|
return nil
|
|
}
|
|
}
|
|
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, pidPath string, stopTimeout int) (string, error) {
|
|
if err := ValidateRestartPolicy(restart); err != nil {
|
|
return "", err
|
|
}
|
|
pidFile := filepath.Join(pidPath, fmt.Sprintf("%s.pid", cid))
|
|
unit := fmt.Sprintf(template, name, restart, name, stopTimeout, name, pidFile)
|
|
return unit, nil
|
|
}
|