1 files changed, 67 insertions, 0 deletions
diff --git a/libpod/healthcheck_linux.go b/libpod/healthcheck_linux.go
new file mode 100644
index 000000000..869605ea8
--- /dev/null
+++ b/libpod/healthcheck_linux.go
@@ -0,0 +1,67 @@
+package libpod
+
+import (
+	"fmt"
+	"os"
+	"os/exec"
+
+	"github.com/coreos/go-systemd/dbus"
+	"github.com/pkg/errors"
+	"github.com/sirupsen/logrus"
+)
+
+// createTimer systemd timers for healthchecks of a container
+func (c *Container) createTimer() error {
+	if c.disableHealthCheckSystemd() {
+		return nil
+	}
+	podman, err := os.Executable()
+	if err != nil {
+		return errors.Wrapf(err, "failed to get path for podman for a health check timer")
+	}
+
+	var cmd = []string{"--unit", fmt.Sprintf("%s", c.ID()), fmt.Sprintf("--on-unit-inactive=%s", c.HealthCheckConfig().Interval.String()), "--timer-property=AccuracySec=1s", podman, "healthcheck", "run", c.ID()}
+
+	conn, err := dbus.NewSystemdConnection()
+	if err != nil {
+		return errors.Wrapf(err, "unable to get systemd connection to add healthchecks")
+	}
+	conn.Close()
+	logrus.Debugf("creating systemd-transient files: %s %s", "systemd-run", cmd)
+	systemdRun := exec.Command("systemd-run", cmd...)
+	_, err = systemdRun.CombinedOutput()
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+// startTimer starts a systemd timer for the healthchecks
+func (c *Container) startTimer() error {
+	if c.disableHealthCheckSystemd() {
+		return nil
+	}
+	conn, err := dbus.NewSystemdConnection()
+	if err != nil {
+		return errors.Wrapf(err, "unable to get systemd connection to start healthchecks")
+	}
+	defer conn.Close()
+	_, err = conn.StartUnit(fmt.Sprintf("%s.service", c.ID()), "fail", nil)
+	return err
+}
+
+// removeTimer removes the systemd timer and unit files
+// for the container
+func (c *Container) removeTimer() error {
+	if c.disableHealthCheckSystemd() {
+		return nil
+	}
+	conn, err := dbus.NewSystemdConnection()
+	if err != nil {
+		return errors.Wrapf(err, "unable to get systemd connection to remove healthchecks")
+	}
+	defer conn.Close()
+	serviceFile := fmt.Sprintf("%s.timer", c.ID())
+	_, err = conn.StopUnit(serviceFile, "fail", nil)
+	return err
+}