[QueensOnly] Update ovs to 2.11 without network loss
During the minor update from ovs2.9 to ovs2.11, handled the package name changes to ensure that ovs is not restarted. This change have been handled already on the upgrade path (queens -> rocky). Handle the same in the minor update (update_steps). This change is not required in master or other stable versions, because all other versions are already migrated to ovs2.11 package and the upgrade path is handled. Change-Id: Id563806777679998412a53c693b02152df1e800e
This commit is contained in:
Saravanan KR
parent
7c79d1be15
commit
bdea2c17f5
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@ -136,6 +136,90 @@ outputs:
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when: step|int == 3
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yum: name=* state=latest exclude=ceph*,librados*,librbd*,libcephfs*,librgw*,python-rados*,python-rbd*,python-cephfs*,python-rgw*,rbd-mirror
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update_tasks:
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# With the layered product packaging, the key package is rhosp-openvswitch. It depends on
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# a openvswitch package that includes the version as part of the name (e.g openvswitch2.10).
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# This requires some additional special handling:
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# - During an upgrade the package name for openvswitch may change so
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# upgrading the currently installed package won't do anything.
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# - The rhosp-openvswitch package "obsoletes" several packages,
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# including older openvswitch packages. This results in a pretty
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# severe uninstall/install sequence of operations that stops and
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# removes openvswitch which could break network links required to
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# continue the upgrade.
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# - To prevent rhosp-openvswitch breaking connectivity, the currently
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# installed core openvswitch packages need to be erased from the rpm
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# database but leave the binaries intact. This effectively
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# short-circuits the obsoletes mechanism in rhosp-openvswitch and
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# leaves the core elements of openvswitch running. In the future we
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# may replace this mechanism with "an upgrade on reboot". We only
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# do this for the core openvswitch packages so other packages
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# obsoleted by rhosp-openvswitch will be removed when
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# rhosp-openvswitch is installed/upgraded.
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# - Neither the rhosp-openvswitch nor openvswitch{m.n} package enables
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# or starts the systemd service so there must always be a task
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# to ensure that it is enabled or OpenvSwitch functionality won't be
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# available on reboot.
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# - With LP, we expect that the core openvswitch package name will
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# change with every major upgrade so this special handling will
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# eventually replace the special handling of upgrading the
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# openvswitch package "in place"
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- name: Block for gathering information for upgrading OpenvSwitch layered product packaging
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when: step|int == 2
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block:
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- name: Process rhosp-openvswitch layered package for new version number
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shell: |
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set -o pipefail
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yum info -q rhosp-openvswitch | awk '/^Version/{print $NF}'
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register: rhosp_package_result
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ignore_errors: true
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- name: Set fact for triggering OpenvSwitch layered product package handling
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set_fact:
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ovs_lp_packaging: "{{ rhosp_package_result.rc == 0 }}"
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- name: Capture the expected OpenvSwitch version.
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set_fact:
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new_ovs_version: "{{ rhosp_package_result.stdout }}"
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when: ovs_lp_packaging|default(false)
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- name: Get current OpenvSwitch package name
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register: ovs_pkg_out
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shell:
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rpm -qa | awk -F- '/^(openvswitch[0-9]+\.[0-9]+-|openvswitch-2)/{print $1}'
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- name: Get version from current OpenvSwitch package
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register: ovs_version_out
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shell:
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rpm -qi "{{ ovs_pkg_out.stdout }}" | awk '/^Version/{print $NF}'
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- name: split numeric version for OpenvSwitch into parts
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set_fact:
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ovs_version_parts: "{{ ovs_version_out.stdout.split('.') }}"
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- name: get major minor version for OpenvSwitch package naming
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set_fact:
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current_ovs_version: "{{ ovs_version_parts[0] }}.{{ ovs_version_parts[1] }}"
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- name: get OpenvSwitch major version
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set_fact:
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current_ovs_major_version: "{{ ovs_version_parts[0]|int }}"
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- name: get OpenvSwitch minor version
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set_fact:
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current_ovs_minor_version: "{{ ovs_version_parts[1]|int }}"
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- name: Block for upgrading OpenvSwitch when layer package is present
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when:
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- step|int == 2
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- ovs_lp_packaging|default(false)
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block:
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- name: set current OpenvSwitch package suffix if old version is layered product format
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set_fact:
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package_suffix: "{{ current_ovs_version }}"
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when:
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- current_ovs_major_version|int >= 3 or current_ovs_minor_version|int >=10
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- name: remove old OpenvSwitch package(s) if version doesn't match
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shell: |
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rpm -e --noscripts --nopreun --nopostun --notriggers --nodeps $(rpm -qa 'openvswitch{{ package_suffix|default('') }}*' | grep -v 'selinux')
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args:
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warn: false
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when: new_ovs_version != current_ovs_version
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- name: install/upgrade OpenvSwitch LP package
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package:
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name: rhosp-openvswitch
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state: latest
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- name: Check for existing yum.pid
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stat: path=/var/run/yum.pid
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register: yum_pid_file
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