Make shared storage an option
This change make the user able to choose wheter to configure instance-ha to support a shared storage (the default) or not. It adds a boolean named instance_ha_shared_storage, set by default to true. Change-Id: Ie66edcdc3b3355ff7c6f69d2bdcbfae2be96bad5
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@ -186,6 +186,13 @@ stonith, compute stonith and all the instance ha steps in:
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ansible-playbook /home/stack/tripleo-quickstart-utils/playbooks/overcloud-instance-ha.yml -e release="rhos-10"
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ansible-playbook /home/stack/tripleo-quickstart-utils/playbooks/overcloud-instance-ha.yml -e release="rhos-10"
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By default the playbook will install the instance-ha solution with the shared
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storage configuration, but it is possible to make the installation in a no
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shared storage environment, passing the **instance_ha_shared_storage** variable
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as **false**:
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ansible-playbook /home/stack/tripleo-quickstart-utils/playbooks/overcloud-instance-ha.yml -e release="rhos-10" -e instance_ha_shared_storage=false
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If a user already installed STONITH for controllers and wants just to apply all
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If a user already installed STONITH for controllers and wants just to apply all
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the instance HA steps with STONITH for the compute nodes can launch this:
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the instance HA steps with STONITH for the compute nodes can launch this:
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@ -5,3 +5,6 @@ working_dir: "/home/stack"
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# Can be install or uninstall
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# Can be install or uninstall
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instance_ha_action: "install"
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instance_ha_action: "install"
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# Do we have a shared storage or not?
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instance_ha_shared_storage: true
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@ -148,8 +148,14 @@
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- block:
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- block:
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- name: Create resource nova-evacuate
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- name: Create resource nova-evacuate
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shell: |
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pcs resource create nova-evacuate ocf:openstack:NovaEvacuate auth_url=$OS_AUTH_URL username=$OS_USERNAME password=$OS_PASSWORD tenant_name=$OS_TENANT_NAME
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when: instance_ha_shared_storage|bool
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- name: Create resource nova-evacuate (no_shared_storage)
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shell: |
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shell: |
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pcs resource create nova-evacuate ocf:openstack:NovaEvacuate auth_url=$OS_AUTH_URL username=$OS_USERNAME password=$OS_PASSWORD tenant_name=$OS_TENANT_NAME no_shared_storage=1
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pcs resource create nova-evacuate ocf:openstack:NovaEvacuate auth_url=$OS_AUTH_URL username=$OS_USERNAME password=$OS_PASSWORD tenant_name=$OS_TENANT_NAME no_shared_storage=1
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when: not instance_ha_shared_storage|bool
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- name: Create pacemaker constraints to start VIP resources before nova-evacuate
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- name: Create pacemaker constraints to start VIP resources before nova-evacuate
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shell: |
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shell: |
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@ -236,7 +242,12 @@
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with_items: "{{ groups['compute'] }}"
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with_items: "{{ groups['compute'] }}"
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- name: Create fence-nova pacemaker resource
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- name: Create fence-nova pacemaker resource
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shell: "pcs stonith create fence-nova fence_compute auth-url=$OS_AUTH_URL login=$OS_USERNAME passwd=$OS_PASSWORD tenant-name=$OS_TENANT_NAME domain=localdomain record-only=1 no-shared-storage=False --force"
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shell: "pcs stonith create fence-nova fence_compute auth-url=$OS_AUTH_URL login=$OS_USERNAME passwd=$OS_PASSWORD tenant-name=$OS_TENANT_NAME domain=localdomain record-only=1 --force"
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when: instance_ha_shared_storage|bool
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- name: Create fence-nova pacemaker resource (no shared storage)
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shell: "pcs stonith create fence-nova fence_compute auth-url=$OS_AUTH_URL login=$OS_USERNAME passwd=$OS_PASSWORD tenant-name=$OS_TENANT_NAME domain=localdomain record-only=1 no-shared-storage=True --force"
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when: not instance_ha_shared_storage|bool
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- name: Create pacemaker constraint for fence-nova to fix it on controller node and set resource-discovery never
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- name: Create pacemaker constraint for fence-nova to fix it on controller node and set resource-discovery never
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shell: "pcs constraint location fence-nova rule resource-discovery=never score=0 osprole eq controller"
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shell: "pcs constraint location fence-nova rule resource-discovery=never score=0 osprole eq controller"
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