Merge "Fixing replacement of /etc/hosts timeouts"
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Zuul
Gerrit Code Review
commit
9d59383e08
@ -10,83 +10,100 @@
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# Check host connectivity, change password if provided
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- name: Remove existing /etc/hosts
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file:
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path: /etc/hosts
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state: absent
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- name: Refresh local DNS
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block:
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- block:
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- name: Populate /etc/hosts
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lineinfile:
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path: /etc/hosts
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line: "{{ item }}"
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create: yes
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with_items:
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- "{{ localhost_name_ip_mapping }}"
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- "{{ controller_floating_address }}\tcontroller"
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# May not need this entry
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- "{{ controller_0_cluster_host }}\tcontroller-0-infra"
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- "{{ controller_pxeboot_floating_address }}\tpxecontroller"
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- "{{ external_oam_floating_address }}\toamcontroller"
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- "{{ derived_network_params.nfs_management_address_1 }}\tcontroller-platform-nfs"
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- "{{ derived_network_params.controller_1_address }}\tcontroller-1"
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- "{{ derived_network_params.controller_0_address }}\tcontroller-0"
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# May not need this entry
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- "{{ controller_1_cluster_host }}\tcontroller-1-infra"
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- "{{ derived_network_params.nfs_management_address_2 }}\tcontroller-nfs"
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- name: Moving existing /etc/hosts to backup and creating a new one with bare minimum entries
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copy:
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dest: /etc/hosts
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backup: yes
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# If this is not done, sudo operations might timeout. See bug #1986693
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content: |
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{{ localhost_name_ip_mapping }}
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{{ derived_network_params.controller_0_address }} controller-0
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{{ derived_network_params.controller_1_address }} controller-1
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register: etc_hosts
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- block:
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- name: Set central registry for subcloud
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set_fact:
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# For virtual subcloud (StarlingX running in OpenStack Nova VM - QEMU/KVM),
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# central-cloud's local registry has to be exposed on the MGMT interface
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# instead of the OAM interface as there is no physical OAM interface on
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# subcloud to access central registry via OAM interface, so set
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# "registry.central" to system controller's MGMT IP on subcloud to allow
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# subcloud pull images from central registry
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registry_central_address:
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"{{ system_controller_floating_address
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if (virtual_system is defined and virtual_system|bool)
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else system_controller_oam_floating_address}}"
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- block:
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- name: Populate /etc/hosts
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lineinfile:
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path: /etc/hosts
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line: "{{ item }}"
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create: yes
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with_items:
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- "{{ controller_floating_address }}\tcontroller"
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# May not need this entry
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- "{{ controller_0_cluster_host }}\tcontroller-0-infra"
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- "{{ controller_pxeboot_floating_address }}\tpxecontroller"
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- "{{ external_oam_floating_address }}\toamcontroller"
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- "{{ derived_network_params.nfs_management_address_1 }}\tcontroller-platform-nfs"
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# May not need this entry
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- "{{ controller_1_cluster_host }}\tcontroller-1-infra"
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- "{{ derived_network_params.nfs_management_address_2 }}\tcontroller-nfs"
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- name: Update /etc/hosts for subcloud
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lineinfile:
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path: /etc/hosts
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line: "{{ registry_central_address }}\tregistry.central"
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insertbefore: EOF
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when: distributed_cloud_role == 'subcloud'
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- block:
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- name: Set central registry for subcloud
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set_fact:
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# For virtual subcloud (StarlingX running in OpenStack Nova VM - QEMU/KVM),
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# central-cloud's local registry has to be exposed on the MGMT interface
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# instead of the OAM interface as there is no physical OAM interface on
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# subcloud to access central registry via OAM interface, so set
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# "registry.central" to system controller's MGMT IP on subcloud to allow
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# subcloud pull images from central registry
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registry_central_address:
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"{{ system_controller_floating_address
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if (virtual_system is defined and virtual_system|bool)
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else system_controller_oam_floating_address}}"
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- name: Save hosts file to permanent location
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copy:
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src: /etc/hosts
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dest: "{{ config_permdir }}"
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remote_src: yes
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- name: Update /etc/hosts for subcloud
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lineinfile:
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path: /etc/hosts
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line: "{{ registry_central_address }}\tregistry.central"
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insertbefore: EOF
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when: distributed_cloud_role == 'subcloud'
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when: mode == 'bootstrap'
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- name: Save hosts file to permanent location
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copy:
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src: /etc/hosts
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dest: "{{ config_permdir }}"
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remote_src: yes
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- block:
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- name: Restore /etc/hosts file
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command: tar -C /etc -xpf {{ restore_data_file }} --transform='s,.*/,,' etc/hosts
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args:
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warn: false
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when: mode == 'bootstrap'
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- name: Restore hosts in config permdir
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command: >-
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tar -C {{ config_permdir }} -xpf {{ restore_data_file }} --transform='s,.*/,,'
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{{ archive_config_permdir }}/hosts
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args:
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warn: false
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- block:
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- name: Restore /etc/hosts file
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command: tar -C /etc --overwrite -xpf {{ restore_data_file }} --transform='s,.*/,,' etc/hosts
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args:
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warn: false
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- name: Temporary add central OAM as registry.central in /etc/hosts for subcloud restore
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lineinfile:
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path: /etc/hosts
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line: "{{ system_controller_oam_floating_address }}\tregistry.central"
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insertbefore: EOF
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when: distributed_cloud_role == 'subcloud'
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- name: Restore hosts in config permdir
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command: >-
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tar -C {{ config_permdir }} -xpf {{ restore_data_file }} --transform='s,.*/,,'
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{{ archive_config_permdir }}/hosts
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args:
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warn: false
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# Wei: I noticed that /etc/hosts and /opt/platform/config/<version>/hosts are always different
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- name: Temporary add central OAM as registry.central in /etc/hosts for subcloud restore
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lineinfile:
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path: /etc/hosts
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line: "{{ system_controller_oam_floating_address }}\tregistry.central"
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insertbefore: EOF
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when: distributed_cloud_role == 'subcloud'
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# Wei: I noticed that /etc/hosts and /opt/platform/config/<version>/hosts are always different
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when: mode == 'restore'
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rescue:
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- name: Restore backed up /etc/hosts on failure
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copy:
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dest: /etc/hosts
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src: etc_hosts.backup_file
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remote_src: true
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- name: Force a failure of playbook on /etc/hosts update failure
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command: /bin/false
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when: mode == 'restore'
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- name: Update name service caching server
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command: nscd -i hosts
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