diff --git a/charmhelpers/core/host.py b/charmhelpers/core/host.py index c5fd81ca..710fdab9 100644 --- a/charmhelpers/core/host.py +++ b/charmhelpers/core/host.py @@ -72,7 +72,9 @@ def service_pause(service_name, init_dir="/etc/init", initd_dir="/etc/init.d"): stopped = service_stop(service_name) upstart_file = os.path.join(init_dir, "{}.conf".format(service_name)) sysv_file = os.path.join(initd_dir, service_name) - if os.path.exists(upstart_file): + if init_is_systemd(): + service('disable', service_name) + elif os.path.exists(upstart_file): override_path = os.path.join( init_dir, '{}.override'.format(service_name)) with open(override_path, 'w') as fh: @@ -80,9 +82,9 @@ def service_pause(service_name, init_dir="/etc/init", initd_dir="/etc/init.d"): elif os.path.exists(sysv_file): subprocess.check_call(["update-rc.d", service_name, "disable"]) else: - # XXX: Support SystemD too raise ValueError( - "Unable to detect {0} as either Upstart {1} or SysV {2}".format( + "Unable to detect {0} as SystemD, Upstart {1} or" + " SysV {2}".format( service_name, upstart_file, sysv_file)) return stopped @@ -94,7 +96,9 @@ def service_resume(service_name, init_dir="/etc/init", Reenable starting again at boot. Start the service""" upstart_file = os.path.join(init_dir, "{}.conf".format(service_name)) sysv_file = os.path.join(initd_dir, service_name) - if os.path.exists(upstart_file): + if init_is_systemd(): + service('enable', service_name) + elif os.path.exists(upstart_file): override_path = os.path.join( init_dir, '{}.override'.format(service_name)) if os.path.exists(override_path): @@ -102,9 +106,9 @@ def service_resume(service_name, init_dir="/etc/init", elif os.path.exists(sysv_file): subprocess.check_call(["update-rc.d", service_name, "enable"]) else: - # XXX: Support SystemD too raise ValueError( - "Unable to detect {0} as either Upstart {1} or SysV {2}".format( + "Unable to detect {0} as SystemD, Upstart {1} or" + " SysV {2}".format( service_name, upstart_file, sysv_file)) started = service_running(service_name) @@ -115,23 +119,29 @@ def service_resume(service_name, init_dir="/etc/init", def service(action, service_name): """Control a system service""" - cmd = ['service', service_name, action] + if init_is_systemd(): + cmd = ['systemctl', action, service_name] + else: + cmd = ['service', service_name, action] return subprocess.call(cmd) == 0 -def service_running(service): +def service_running(service_name): """Determine whether a system service is running""" - try: - output = subprocess.check_output( - ['service', service, 'status'], - stderr=subprocess.STDOUT).decode('UTF-8') - except subprocess.CalledProcessError: - return False + if init_is_systemd(): + return service('is-active', service_name) else: - if ("start/running" in output or "is running" in output): - return True - else: + try: + output = subprocess.check_output( + ['service', service_name, 'status'], + stderr=subprocess.STDOUT).decode('UTF-8') + except subprocess.CalledProcessError: return False + else: + if ("start/running" in output or "is running" in output): + return True + else: + return False def service_available(service_name): @@ -146,6 +156,13 @@ def service_available(service_name): return True +SYSTEMD_SYSTEM = '/run/systemd/system' + + +def init_is_systemd(): + return os.path.isdir(SYSTEMD_SYSTEM) + + def adduser(username, password=None, shell='/bin/bash', system_user=False, primary_group=None, secondary_groups=None): """