python-tripleoclient/tripleoclient/v1/overcloud_upgrade.py

258 lines
12 KiB
Python

# Copyright 2018 Red Hat, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
#
import logging
from osc_lib.i18n import _
from osc_lib import utils
from tripleoclient import command
from tripleoclient import constants
from tripleoclient import exceptions
from tripleoclient import utils as oooutils
from tripleoclient.v1.overcloud_deploy import DeployOvercloud
from tripleoclient.workflows import deployment
from tripleoclient.workflows import package_update
class UpgradePrepare(DeployOvercloud):
"""Run heat stack update for overcloud nodes to refresh heat stack outputs.
The heat stack outputs are what we use later on to generate ansible
playbooks which deliver the major upgrade workflow. This is used as the
first step for a major upgrade of your overcloud.
"""
log = logging.getLogger(__name__ + ".MajorUpgradePrepare")
def get_parser(self, prog_name):
parser = super(UpgradePrepare, self).get_parser(prog_name)
parser.add_argument('--container-registry-file',
dest='container_registry_file',
default=None,
help=_("File which contains the container "
"registry data for the upgrade"),
)
parser.add_argument('--ceph-ansible-playbook',
action="store",
default="/usr/share/ceph-ansible"
"/site-docker.yml.sample",
help=_('Path to switch the ceph-ansible playbook '
'used for upgrade. '),
)
return parser
def take_action(self, parsed_args):
self.log.debug("take_action(%s)" % parsed_args)
clients = self.app.client_manager
stack = oooutils.get_stack(clients.orchestration,
parsed_args.stack)
stack_name = stack.stack_name
registry = oooutils.load_container_registry(
self.log, parsed_args.container_registry_file)
# Run update
ceph_ansible_playbook = parsed_args.ceph_ansible_playbook
# In case of update and upgrade we need to force the
# update_plan_only. The heat stack update is done by the
# packag_update mistral action
parsed_args.update_plan_only = True
# Add the upgrade-prepare.yaml environment to set noops etc
templates_dir = (parsed_args.templates or
constants.TRIPLEO_HEAT_TEMPLATES)
parsed_args.environment_files = oooutils.prepend_environment(
parsed_args.environment_files, templates_dir,
constants.UPGRADE_PREPARE_ENV)
super(UpgradePrepare, self).take_action(parsed_args)
package_update.update(clients, container=stack_name,
container_registry=registry,
ceph_ansible_playbook=ceph_ansible_playbook)
package_update.get_config(clients, container=stack_name)
overcloudrcs = deployment.overcloudrc(
clients.workflow_engine,
container=stack_name)
oooutils.write_overcloudrc(stack_name, overcloudrcs)
print("Completed Overcloud Upgrade Prepare for stack {0}".format(
stack_name))
class UpgradeRun(command.Command):
"""Run major upgrade ansible playbooks on Overcloud nodes
This will run the major upgrade ansible playbooks on the overcloud.
By default all playbooks are executed, that is the
upgrade_steps_playbook.yaml then the deploy_steps_playbook.yaml and
then the post_upgrade_steps_playbook.yaml.
The upgrade playbooks are made available after completion of the
'overcloud upgrade prepare' command. This 'overcloud upgrade run'
command is the second step in the major upgrade workflow.
"""
log = logging.getLogger(__name__ + ".MajorUpgradeRun")
def get_parser(self, prog_name):
parser = super(UpgradeRun, self).get_parser(prog_name)
nodes_or_roles = parser.add_mutually_exclusive_group(required=True)
nodes_or_roles.add_argument(
'--nodes', action="store", help=_(
"A string that identifies a single node or comma-separated "
"list of nodes to be upgraded in parallel in this upgrade run "
"invocation. For example: --nodes \"compute-0, compute-1, "
"compute-5\". "
"NOTE: Using this parameter with nodes of controlplane roles "
"(e.g. \"--nodes controller-1\") is NOT supported and WILL "
"end badly unless you include ALL nodes of that role as a "
"comma separated string. You should instead use the --roles "
"parameter for controlplane roles and specify the role name.")
)
nodes_or_roles.add_argument(
'--roles', action="store", help=_(
"A string that identifies the role or comma-separated list of"
"roles to be upgraded in this upgrade run invocation. "
"NOTE: nodes of specified role(s) are upgraded in parallel. "
"This is REQUIRED for controlplane roles. For non "
"controlplane roles (e.g., \"Compute\"), you may consider "
"instead using the --nodes argument to limit the upgrade to "
"a specific node or list (comma separated string) of nodes.")
)
parser.add_argument('--playbook',
action="store",
default="all",
help=_("Ansible playbook to use for the major "
"upgrade. Defaults to the special value "
"\'all\' which causes all the upgrade "
"playbooks to run. That is the "
"upgrade_steps_playbook.yaml "
"then deploy_steps_playbook.yaml and then "
"post_upgrade_steps_playbooks.yaml. Set "
"this to each of those playbooks in "
"consecutive invocations of this command "
"if you prefer to run them manually. Note: "
"you will have to run all of those "
"playbooks so that all services are "
"upgraded and running with the target "
"version configuration.")
)
parser.add_argument('--static-inventory',
dest='static_inventory',
action="store",
default=None,
help=_('Path to an existing ansible inventory to '
'use. If not specified, one will be '
'generated in '
'~/tripleo-ansible-inventory.yaml')
)
parser.add_argument("--ssh-user",
dest="ssh_user",
action="store",
default="heat-admin",
help=_("The ssh user name for connecting to "
"the overcloud nodes.")
)
parser.add_argument('--skip-tags',
dest='skip_tags',
action="store",
default="",
help=_('A string specifying the tag or comma '
'separated list of tags to be passed '
'as --skip-tags to ansible-playbook. '
'The currently supported values are '
'\'validation\' and \'pre-upgrade\'. '
'In particular \'validation\' is useful '
'if you must re-run following a failed '
'upgrade and some services cannot be '
'started. ')
)
parser.add_argument('--stack', dest='stack',
help=_('Name or ID of heat stack '
'(default=Env: OVERCLOUD_STACK_NAME)'),
default=utils.env('OVERCLOUD_STACK_NAME',
default='overcloud'))
return parser
def _validate_skip_tags(self, skip_tags):
tags_list = skip_tags.split(',')
for tag in tags_list:
tag = tag.strip()
if tag and tag not in constants.MAJOR_UPGRADE_SKIP_TAGS:
raise exceptions.InvalidConfiguration(
"Unexpected tag %s. Supported values are %s" % (
tag, constants.MAJOR_UPGRADE_SKIP_TAGS))
return skip_tags
def take_action(self, parsed_args):
self.log.debug("take_action(%s)" % parsed_args)
clients = self.app.client_manager
stack = parsed_args.stack
# Run ansible:
roles = parsed_args.roles
nodes = parsed_args.nodes
limit_hosts = roles or nodes
playbook = parsed_args.playbook
inventory = oooutils.get_tripleo_ansible_inventory(
parsed_args.static_inventory, parsed_args.ssh_user, stack)
skip_tags = self._validate_skip_tags(parsed_args.skip_tags)
oooutils.run_update_ansible_action(self.log, clients, limit_hosts,
inventory, playbook,
constants.UPGRADE_QUEUE,
constants.MAJOR_UPGRADE_PLAYBOOKS,
package_update,
parsed_args.ssh_user, skip_tags)
playbooks = (constants.MAJOR_UPGRADE_PLAYBOOKS
if playbook == 'all' else playbook)
print(("Completed Overcloud Upgrade Run for {0} with playbooks "
"{1} ").format(limit_hosts, playbooks))
class UpgradeConvergeOvercloud(DeployOvercloud):
"""Major upgrade converge - reset Heat resources in the stored plan
This is the last step for completion of a overcloud major
upgrade. The main task is updating the plan and stack to
unblock future stack updates. For the major upgrade workflow we
have set specific values for some stack Heat resources. This
unsets those back to their default values.
"""
log = logging.getLogger(__name__ + ".UpgradeConvergeOvercloud")
def get_parser(self, prog_name):
parser = super(UpgradeConvergeOvercloud, self).get_parser(prog_name)
return parser
def take_action(self, parsed_args):
self.log.debug("take_action(%s)" % parsed_args)
clients = self.app.client_manager
stack = oooutils.get_stack(clients.orchestration,
parsed_args.stack)
# Add the converge environment into the args to unset noop etc
templates_dir = (parsed_args.templates or
constants.TRIPLEO_HEAT_TEMPLATES)
parsed_args.environment_files = oooutils.prepend_environment(
parsed_args.environment_files, templates_dir,
constants.UPGRADE_CONVERGE_ENV)
super(UpgradeConvergeOvercloud, self).take_action(parsed_args)
print("Completed Overcloud Upgrade Converge for stack {0}".format(
stack.stack_name))