def _update_00191_upgrade(upd, calico_network):
etcd1 = helpers.local('uname -n')
_master_etcd_cert(etcd1)
_master_etcd_conf(etcd1)
helpers.restart_service('etcd')
_master_docker(upd)
_master_firewalld()
_master_k8s_node()
if helpers.local('docker ps --format "{{.Names}}" | grep "^calico-node$"'
) != 'calico-node':
_master_calico(upd, calico_network)
_master_k8s_extensions()
helpers.restart_master_kubernetes()
helpers.local('echo "{0}" | kubectl create -f -'.format(_K8S_EXTENSIONS))
# we need to restart here again, because kubernetes sometimes don't accept
# extensions onfly
helpers.restart_master_kubernetes()
_master_network_policy(upd, calico_network)
_master_dns_policy()
_master_pods_policy()
_master_service_update()
def do_cycle_updates(with_testing=False):
"""
:return: False if no errors or script name at which was error
"""
# TODO refactor to 'get next update'
to_apply = get_available_updates()
last = get_applied_updates()
if last:
# Start from last failed update
to_apply = to_apply[to_apply.index(last[-1]) + 1:]
if not to_apply:
helpers.restart_service(settings.KUBERDOCK_SERVICE)
helpers.set_maintenance(False)
print 'There is no new upgrade scripts to apply. ' + \
SUCCESSFUL_UPDATE_MESSAGE
return False
is_failed = False
for upd in to_apply:
if not run_script(upd, with_testing):
is_failed = upd
print >> sys.stderr, "Update {0} has failed.".format(is_failed)
break
if not is_failed:
helpers.close_all_sessions()
print 'All update scripts are applied.'
return is_failed
def upgrade(upd, with_testing, *args, **kwargs):
upd.print_log('Update nginx config...')
copyfile(nginx_path, nginx_path + '.disabled')
copystat(nginx_path, nginx_path + '.disabled')
copyfile(kd_path, kd_path + '.disabled')
copystat(kd_path, kd_path + '.disabled')
copyfile('/var/opt/kuberdock/conf/nginx.conf', nginx_path)
copyfile('/var/opt/kuberdock/conf/kuberdock-ssl.conf', kd_path)
helpers.restart_service('nginx')
def _master_docker(upd):
helpers.local("mkdir -p /etc/systemd/system/docker.service.d/")
helpers.local(
"cat << EOF > /etc/systemd/system/docker.service.d/timeouts.conf\n"
"{}\nEOF".format(DOCKER_TIMEOUTS_DROPIN))
helpers.local('systemctl daemon-reload')
upd.print_log(helpers.local('systemctl reenable docker'))
upd.print_log(helpers.restart_service('docker'))
# Just to be sure and see output in logs:
upd.print_log(helpers.local('docker info'))
def post_upgrade(for_successful=True, reason=None): # teardown
"""
Teardown after upgrade
:return: Error or True if any error else False
"""
if helpers.set_evicting_timeout('5m0s'):
print >> sys.stderr, "Can't bring back old pods evicting interval."
for_successful = False
if for_successful:
helpers.restart_service(settings.KUBERDOCK_SERVICE)
helpers.set_maintenance(False)
redis = ConnectionPool.get_connection()
# We should clear cache for licencing info after successful upgrade:
redis.delete('KDCOLLECTION')
print SUCCESSFUL_UPDATE_MESSAGE
health_check(post_upgrade_check=True)
else:
if reason is not None:
print >> sys.stderr, reason
print >> sys.stderr, FAILED_MESSAGE
def downgrade(upd, with_testing, exception, *args, **kwargs):
_downgrade_k8s_master(upd, with_testing)
service, res = helpers.restart_master_kubernetes()
if res != 0:
raise helpers.UpgradeError('Failed to restart {0}. {1}'
.format(service, res))
_downgrade_etcd(upd)
# Restart KD to make sure new libs are running
res = helpers.restart_service(settings.KUBERDOCK_SERVICE)
if res != 0:
raise helpers.UpgradeError('Failed to restart KuberDock')
helpers.downgrade_db(revision='3c832810a33c')
def upgrade(upd, with_testing, *args, **kwargs):
_upgrade_k8s_master(upd, with_testing)
service, res = helpers.restart_master_kubernetes()
if res != 0:
raise helpers.UpgradeError('Failed to restart {0}. {1}'
.format(service, res))
_upgrade_etcd(upd)
# Restart KD to make sure new libs are running
res = helpers.restart_service(settings.KUBERDOCK_SERVICE)
if res != 0:
raise helpers.UpgradeError('Failed to restart KuberDock')
helpers.upgrade_db()
_update_pv_mount_paths(upd)
def _master_k8s_node():
helpers.install_package(CONNTRACK_PACKAGE)
helpers.local('systemctl reenable kube-proxy')
helpers.restart_service('kube-proxy')
def upgrade(upd, with_testing, *args, **kwargs):
upd.print_log('Restarting nginx...')
helpers.restart_service('nginx')
def upgrade(cls, upd, with_testing):
helpers.restart_service('nginx')
def downgrade(upd, with_testing, exception, *args, **kwargs):
upd.print_log('Rollback nginx config...')
copyfile(nginx_path + '.disabled', nginx_path)
copyfile(kd_path + '.disabled', kd_path)
helpers.restart_service('nginx')
def upgrade(upd, with_testing, *args, **kwargs):
# 00085_update.py
upd.print_log('Add default Persistent Disks size in pods config...')
pods = Pod.query.all()
for pod in pods:
upd.print_log('Processing pod {0}'.format(pod.name))
config = pod.get_dbconfig()
config['volumes_public'] = with_size(config.get('volumes_original', []), pod.owner_id)
pod.set_dbconfig(config, save=False)
for pod in pods:
config = pod.get_dbconfig()
config.pop('volumes_original', None)
pod.set_dbconfig(config, save=False)
db.session.commit()
# 00086_update.py
upd.print_log('Update kubes to hard limits')
internal = Kube.get_by_name('Internal service')
if internal:
internal.cpu = 0.02
internal.save()
small = Kube.get_by_name('Small')
if small:
small.cpu = 0.05
small.save()
standard = Kube.get_by_name('Standard')
if standard:
standard.cpu = 0.25
standard.save()
high = Kube.get_by_name('High memory')
if high:
high.cpu = 0.5
high.save()
upd.print_log('Setup k8s2etcd middleware service')
upd.print_log(
helpers.local(
"cat > /etc/systemd/system/kuberdock-k8s2etcd.service << 'EOF' {0}"
.format(SERVICE_FILE))
)
helpers.local('systemctl daemon-reload')
upd.print_log(helpers.local('systemctl reenable kuberdock-k8s2etcd'))
upd.print_log(helpers.local('systemctl restart kuberdock-k8s2etcd'))
upd.print_log('Add after etcd.service to kube-apiserver service file')
upd.print_log(
helpers.local(
"cat > /etc/systemd/system/kube-apiserver.service << 'EOF' {0}"
.format(K8S_API_SERVICE_FILE))
)
upd.print_log('Turn off watch-cache in kube_apiserver')
lines = []
with open(KUBE_API_SERVER_PATH) as f:
lines = f.readlines()
with open(KUBE_API_SERVER_PATH, 'w+') as f:
for line in lines:
if (KUBE_API_SERVER_ARG in line and
not KUBE_API_WATCHCACHE_DISABLE in line):
s = line.split('"')
s[1] += KUBE_API_WATCHCACHE_DISABLE
line = '"'.join(s)
f.write(line)
helpers.restart_master_kubernetes(with_enable=True)
# 00087_update.py
upd.print_log('Upgrade namespaces for PD...')
config = ConfigParser.RawConfigParser()
config.read(KUBERDOCK_SETTINGS_FILE)
ns = MASTER_IP
if not config.has_option('main', 'PD_NAMESPACE'):
if CEPH:
# Store default CEPH pool as namespace. It already was used
# by KD cluster, so we will not change it.
ns = OLD_DEFAULT_CEPH_POOL
config.set('main', 'PD_NAMESPACE', ns)
with open(KUBERDOCK_SETTINGS_FILE, 'wb') as fout:
config.write(fout)
if CEPH:
# Set 'rbd' for all existing ceph drives, because it was a default pool
PersistentDisk.query.filter(
~PersistentDisk.drive_name.contains(PD_NS_SEPARATOR)
).update(
{PersistentDisk.drive_name: \
OLD_DEFAULT_CEPH_POOL + PD_NS_SEPARATOR + \
PersistentDisk.drive_name
},
synchronize_session=False
)
db.session.commit()
try:
pstorage.check_namespace_exists(namespace=ns)
except pstorage.NoNodesError:
# skip CEPH pool checking if there are no nodes with CEPH
pass
# Restart kuberdock to prevent loss of PD bind state, becuase fix for this
# is in the new version.
helpers.restart_service('emperor.uwsgi')
