29e09d6a5e
The policy.json file is currently read continually by the services and is not only read on service start. We therefore cannot template directly to the file read by the service (if the service is already running) because the new policies may not be valid until the service restarts. This is particularly important during a major upgrade. We therefore only put the policy file in place after the service restart. This patch also tidies up the handlers and some of the install tasks to simplify them and reduce the tasks/code a little. Change-Id: Ib213d7272c3d7c692dabedd95ff8ab1cc2088c87
84 lines
2.9 KiB
YAML
84 lines
2.9 KiB
YAML
---
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# Copyright 2014, Rackspace US, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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- name: Restart neutron services
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debug:
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msg: "Restarting services"
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changed_when: true
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notify:
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- Stop services
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- Copy new policy file into place
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- Start services
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- name: Stop services
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service:
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name: "{{ item.value.service_name }}"
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enabled: yes
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state: "stopped"
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daemon_reload: "{{ (ansible_service_mgr == 'systemd') | ternary('yes', omit) }}"
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with_dict: "{{ neutron_services }}"
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when: item.value.service_en | bool
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register: _stop
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until: _stop | success
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retries: 5
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delay: 2
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notify:
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- Run ns-metadata-proxy process cleanup
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# NOTE(cloudnull):
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# When installing or upgrading it is possible that an old metadata proxy process will not
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# be restarted by the metadata agent when a version changes. To fix it the ns-metadata
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# proxy pids are killed if they're not running the current tag. Once the old processeses
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# are removed the metadata agent will respawn the missing process within 60 seconds using
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# the correct code.
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- name: Run ns-metadata-proxy process cleanup
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shell: |
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for ns_pid in $(pgrep neutron-ns-meta); do
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echo $(readlink -f "/proc/$ns_pid/exe") | grep -qv "{{ neutron_venv_tag }}"
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if [ $? -eq 0 ]; then
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if kill -9 "$ns_pid"; then
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logger -s "old metadata proxy pid found and has been cleaned up on: \"$ns_pid\""
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fi
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fi
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done
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when: neutron_services['neutron-metadata-agent'].service_en | bool
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# Note (odyssey4me):
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# The policy.json file is currently read continually by the services
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# and is not only read on service start. We therefore cannot template
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# directly to the file read by the service because the new policies
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# may not be valid until the service restarts. This is particularly
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# important during a major upgrade. We therefore only put the policy
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# file in place after the service has been stopped.
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#
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- name: Copy new policy file into place
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copy:
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src: "{{ neutron_conf_dir }}/policy.json-{{ neutron_venv_tag }}"
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dest: "{{ neutron_conf_dir }}/policy.json"
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remote_src: yes
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- name: Start services
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service:
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name: "{{ item.value.service_name }}"
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enabled: yes
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state: "started"
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daemon_reload: "{{ (ansible_service_mgr == 'systemd') | ternary('yes', omit) }}"
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with_dict: "{{ neutron_services }}"
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when: item.value.service_en | bool
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register: _start
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until: _start | success
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retries: 5
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delay: 2
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