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package systemdgen
import (
"fmt"
"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, pidFile string, stopTimeout int) (string, error) {
if err := ValidateRestartPolicy(restart); err != nil {
return "", err
}
unit := fmt.Sprintf(template, name, restart, name, stopTimeout, name, pidFile)
return unit, nil
}
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