def preflight_check():
"""
Preliminary checks to see if we can proceed with cluster reset
"""
exit_if_no_root()
exit_if_no_permission()
is_cluster_locked()
ensure_started()
wait_for_ready(timeout=30)
exit_if_multinode()
def disable(addons):
"""Disables one or more MicroK8s addons.
For a list of available addons, run `microk8s status`.
To see help for individual addons, run:
microk8s disable ADDON -- --help
"""
is_cluster_locked()
exit_if_no_permission()
ensure_started()
_, disabled_addons = get_status(get_available_addons(get_current_arch()), True)
disabled_addons = {a['name'] for a in disabled_addons}
xable('disable', addons, disabled_addons)
def enable(addons):
"""Enables a MicroK8s addon.
For a list of available addons, run `microk8s status`.
To see help for individual addons, run:
microk8s enable ADDON -- --help
"""
is_cluster_locked()
exit_if_no_permission()
ensure_started()
enabled_addons, _ = get_status(get_available_addons(get_current_arch()), True)
enabled_addons = {a['name'] for a in enabled_addons}
xable('enable', addons, enabled_addons)
def enable(addons) -> None:
"""
Enable a MicroK8s addon.
For a list of available addons, run `microk8s status`.
To see help for individual addons, run:
microk8s enable ADDON -- --help
"""
if check_help_flag(addons):
return
is_cluster_locked()
exit_if_no_permission()
ensure_started()
wait_for_ready(timeout=30)
xable("enable", addons)
def enable(addons):
"""Enables a MicroK8s addon.
For a list of available addons, run `microk8s status`.
To see help for individual addons, run:
microk8s enable ADDON -- --help
"""
if check_help_flag(addons):
return
is_cluster_locked()
exit_if_no_permission()
ensure_started()
wait_for_ready(timeout=30)
enabled_addons, _ = get_status(get_available_addons(get_current_arch()),
True)
enabled_addons = {a["name"] for a in enabled_addons}
xable("enable", addons, enabled_addons)
restore_cmd = '{}/bin/migrator --mode restore-to-dqlite --db-dir {}'.format(
snap_path, "{}/{}".format(tmpdirname, fname))
if debug:
restore_cmd = "{} {}".format(restore_cmd, "--debug")
try:
rc = run_command(restore_cmd)
if rc > 0:
print("Restore process failed. {}".format(rc))
exit(3)
except subprocess.CalledProcessError as e:
print("Restore process failed. {}".format(e))
exit(4)
if __name__ == '__main__':
exit_if_no_permission()
is_cluster_locked()
if not kine_exists() or not is_ha_enabled():
print(
"Please ensure the kubernetes apiserver is running and HA is enabled."
)
exit(10)
# initiate the parser with a description
parser = argparse.ArgumentParser(
description="backup and restore the Kubernetes datastore.",
prog='microk8s dbctl')
parser.add_argument('--debug',
action='store_true',
help='print debug output')
