def create_timer_service(service_name, args):
timer = run_quiet("systemd-analyze calendar '{}'".format(args.timer))
if not bool(timer):
print("Service type 'simple' (long running) since NOT using a timer.")
return False
next_run = timer.split("From now: ")[1].strip()
accuracy_sec = timer_granularity(args.timer)
print("Service type 'oneshot' since using a timer. Next run: {}".format(
next_run))
service = ("""
[Unit]
Description=Running '{service_name}' on a schedule (generated by sysdm)
Requires={service_name}.service
[Timer]
OnCalendar={timer}
AccuracySec={accuracy_sec}
[Install]
WantedBy=timers.target
""".replace("\n ", "\n").format(timer=args.timer,
service_name=service_name,
accuracy_sec=accuracy_sec).strip())
with open(os.path.join(args.systempath, "{}.timer".format(service_name)),
"w") as f:
f.write(service)
return True
def create_service_template(args):
here = os.path.abspath(".")
fname, extra_args = args.fname_or_cmd.split()[0], " ".join(
args.fname_or_cmd.split()[1:])
binary, cmd = get_cmd_from_filename(fname)
service_name = fname + "_" + here.split("/")[-1] if binary else fname
service_name = to_sn(service_name)
fname = fname + " "
# other binary
if binary:
fname = ""
if args.notify_cmd != "-1":
on_failure = "OnFailure={}-onfailure@%i.service".format(
args.notify_cmd)
else:
on_failure = ""
timer = run_quiet("systemd-analyze calendar '{}'".format(args.timer))
if bool(timer):
service_type = "oneshot"
restart = ""
part_of = ""
else:
service_type = "simple"
restart = "Restart=always\nRestartSec={delay}".format(delay=args.delay)
part_of = "PartOf={service_name}_monitor.service".format(
service_name=service_name)
service = ("""
[Unit]
Description={service_name} service (generated by sysdm)
After=network-online.target
{part_of}
{on_failure}
[Service]
{user_and_group}
Type={service_type}
{restart}
ExecStart={cmd} {fname} {extra_args}
WorkingDirectory={here}
[Install]
WantedBy=multi-user.target
""".replace("\n ", "\n").format(
service_name=service_name,
cmd=cmd,
fname=fname,
extra_args=extra_args,
here=here,
restart=restart,
part_of=part_of,
on_failure=on_failure,
service_type=service_type,
user_and_group=user_and_group_if_sudo(args),
).strip())
return service_name, service
def delete(unit, systempath):
service_name = unit.replace(".", "_")
path = systempath + "/" + service_name
for s in [
service_name, service_name + "_monitor", service_name + ".timer"
]:
if is_unit_enabled(s):
_ = systemctl("disable {}".format(s))
print("Disabled unit {}".format(s))
else:
print("Unit {} was not enabled so no need to disable it".format(s))
if is_unit_running(s):
_ = systemctl("stop {}".format(s))
print("Stopped unit {}".format(s))
else:
print("Unit {} was not started so no need to stop it".format(s))
_ = systemctl("daemon-reload")
o = run_quiet("rm {}".format(path + ".service"))
o = run_quiet("rm {}".format(path + "_monitor.service"))
o = run_quiet("rm {}".format(path + ".timer"))
print("Deleted {}".format(path + ".service"))
print("Deleted {}".format(path + "_monitor.service"))
print("Deleted {}".format(path + ".timer"))
print("Delete Succeeded!")
def create_service_template(fname_or_cmd, notify_cmd, timer, delay, root,
killaftertimeout):
here = os.path.abspath(".")
fname, extra_args = fname_or_cmd.split()[0], " ".join(
fname_or_cmd.split()[1:])
binary, cmd = get_cmd_from_filename(fname)
service_name = fname + "_" + here.split("/")[-1] if binary else fname
service_name = to_sn(service_name)
fname = fname + " "
# other binary
if binary:
fname = ""
if notify_cmd != "-1":
on_failure = "OnFailure={}-onfailure@%i.service".format(notify_cmd)
else:
on_failure = ""
if timer is not None:
timer = run_quiet("systemd-analyze calendar '{}'".format(timer))
if bool(timer):
service_type = "oneshot"
restart = ""
part_of = ""
else:
service_type = "simple"
restart = "Restart=always\nRestartSec={delay}".format(delay=delay)
part_of = "PartOf={service_name}_monitor.service".format(
service_name=service_name)
user_and_group = user_and_group_if_sudo(root)
if timer:
install = ""
else:
wanted_by = "multi-user.target" if user_and_group.strip(
) else "default.target"
wanted_by += " " + service_name + "_monitor.service"
install = "[Install]\nWantedBy={wanted_by}".format(wanted_by=wanted_by)
service = ("""
[Unit]
Description={service_name} service (generated by sysdm)
After=network-online.target
{part_of}
{on_failure}
[Service]
{user_and_group}
Type={service_type}
{restart}
TimeoutStopSec={killaftertimeout}
ExecStart={cmd} {fname} {extra_args}
WorkingDirectory={here}
{install}
""".replace("\n ", "\n").format(
service_name=service_name,
cmd=cmd,
fname=fname,
extra_args=extra_args,
here=here,
restart=restart,
part_of=part_of,
on_failure=on_failure,
service_type=service_type,
user_and_group=user_and_group,
install=install,
killaftertimeout=killaftertimeout,
).strip())
return service_name, service
def create_service_template(fname_or_cmd,
notifier,
timer,
delay,
root,
killaftertimeout,
restart,
workdir: str = "",
env_vars=[]):
here = workdir or os.path.abspath(".")
fname, extra_args = fname_or_cmd.split()[0], " ".join(
fname_or_cmd.split()[1:])
binary, cmd = get_cmd_from_filename(fname)
service_name = get_service_name(fname_or_cmd) + "_" + here.split(
"/")[-1] if binary else fname
service_name = to_sn(service_name)
fname = fname + " "
start_info = ""
# other binary
if binary:
fname = ""
if notifier is not None:
on_failure = "OnFailure={}-onfailure@%i.service".format(notifier)
else:
on_failure = ""
if timer is not None:
timer = run_quiet("systemd-analyze calendar '{}'".format(timer))
if bool(timer):
service_type = "oneshot"
restart = ""
part_of = ""
else:
service_type = "simple"
start_info = "StartLimitBurst=2\nStartLimitIntervalSec=15s" if restart else ""
restart = "Restart=always\nRestartSec={delay}".format(
delay=delay) if restart else ""
part_of = "PartOf={service_name}_monitor.service".format(
service_name=service_name)
user_and_group = user_and_group_if_sudo(root)
if timer:
install = ""
else:
wanted_by = "multi-user.target" if user_and_group.strip(
) else "default.target"
wanted_by += " " + service_name + "_monitor.service"
install = "[Install]\nWantedBy={wanted_by}".format(wanted_by=wanted_by)
env_var_section = "\n".join([
f'Environment={x if "=" in x else x + "=" + os.environ[x]}'
for x in env_vars
])
service = ("""
[Unit]
Description={service_name} service (generated by sysdm)
After=network-online.target
{part_of}
{on_failure}
{start_info}
[Service]
{user_and_group}
Type={service_type}
{restart}
TimeoutStopSec={killaftertimeout}
ExecStart={cmd} {fname} {extra_args}
WorkingDirectory={here}
Environment=PYTHONUNBUFFERED=1
{env_var_section}
{install}
""".replace("\n ", "\n").format(**locals()).strip())
return service_name, service