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authorScott Dodson <sdodson@redhat.com>2017-06-28 08:07:55 -0400
committerGitHub <noreply@github.com>2017-06-28 08:07:55 -0400
commit646c4a93ed6405c80bc634fa64081950e1bf8e0a (patch)
treeb241b89752dcca1c8482330876b4739a6588b54e /playbooks/common/openshift-etcd
parent2230e46276b004a1124dc06552a947b9023b8d4c (diff)
parent2b521c8ae6c468fd2bb98362221483eced103696 (diff)
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Merge pull request #4623 from ingvagabund/run-ttl-migration-only-one-on-the-first-master
attach leases via the first master only and only once
Diffstat (limited to 'playbooks/common/openshift-etcd')
-rw-r--r--playbooks/common/openshift-etcd/migrate.yml120
1 files changed, 120 insertions, 0 deletions
diff --git a/playbooks/common/openshift-etcd/migrate.yml b/playbooks/common/openshift-etcd/migrate.yml
new file mode 100644
index 000000000..c655449fa
--- /dev/null
+++ b/playbooks/common/openshift-etcd/migrate.yml
@@ -0,0 +1,120 @@
+---
+- include: ../openshift-cluster/evaluate_groups.yml
+ tags:
+ - always
+
+- name: Run pre-checks
+ hosts: oo_etcd_to_migrate
+ tags:
+ - always
+ roles:
+ - role: etcd_migrate
+ r_etcd_migrate_action: check
+ r_etcd_common_embedded_etcd: "{{ groups.oo_etcd_to_config | default([]) | length == 0 }}"
+ etcd_peer: "{{ ansible_default_ipv4.address }}"
+
+- include: ../openshift-cluster/initialize_facts.yml
+ tags:
+ - always
+
+- name: Backup v2 data
+ hosts: oo_etcd_to_migrate
+ gather_facts: no
+ tags:
+ - always
+ roles:
+ - role: openshift_facts
+ - role: etcd_common
+ r_etcd_common_action: backup
+ r_etcd_common_etcd_runtime: "{{ openshift.common.etcd_runtime }}"
+ r_etcd_common_backup_tag: pre-migration
+ r_etcd_common_embedded_etcd: "{{ groups.oo_etcd_to_config | default([]) | length == 0 }}"
+ r_etcd_common_backup_sufix_name: "{{ lookup('pipe', 'date +%Y%m%d%H%M%S') }}"
+
+- name: Gate on etcd backup
+ hosts: localhost
+ connection: local
+ become: no
+ tasks:
+ - set_fact:
+ etcd_backup_completed: "{{ hostvars
+ | oo_select_keys(groups.oo_etcd_to_migrate)
+ | oo_collect('inventory_hostname', {'r_etcd_common_backup_complete': true}) }}"
+ - set_fact:
+ etcd_backup_failed: "{{ groups.oo_etcd_to_migrate | difference(etcd_backup_completed) }}"
+ - fail:
+ msg: "Migration cannot continue. The following hosts did not complete etcd backup: {{ etcd_backup_failed | join(',') }}"
+ when:
+ - etcd_backup_failed | length > 0
+
+- name: Prepare masters for etcd data migration
+ hosts: oo_masters_to_config
+ tasks:
+ - set_fact:
+ master_services:
+ - "{{ openshift.common.service_type + '-master' }}"
+ - set_fact:
+ master_services:
+ - "{{ openshift.common.service_type + '-master-controllers' }}"
+ - "{{ openshift.common.service_type + '-master-api' }}"
+ when:
+ - (openshift_master_cluster_method is defined and openshift_master_cluster_method == "native") or openshift.common.is_master_system_container | bool
+ - debug:
+ msg: "master service name: {{ master_services }}"
+ - name: Stop masters
+ service:
+ name: "{{ item }}"
+ state: stopped
+ with_items: "{{ master_services }}"
+
+- name: Migrate etcd data from v2 to v3
+ hosts: oo_etcd_to_migrate
+ gather_facts: no
+ tags:
+ - always
+ roles:
+ - role: etcd_migrate
+ r_etcd_migrate_action: migrate
+ r_etcd_common_embedded_etcd: "{{ groups.oo_etcd_to_config | default([]) | length == 0 }}"
+ etcd_peer: "{{ ansible_default_ipv4.address }}"
+
+- name: Gate on etcd migration
+ hosts: oo_masters_to_config
+ gather_facts: no
+ tasks:
+ - set_fact:
+ etcd_migration_completed: "{{ hostvars
+ | oo_select_keys(groups.oo_etcd_to_migrate)
+ | oo_collect('inventory_hostname', {'r_etcd_migrate_success': true}) }}"
+ - set_fact:
+ etcd_migration_failed: "{{ groups.oo_etcd_to_migrate | difference(etcd_migration_completed) }}"
+
+- name: Configure masters if etcd data migration is succesfull
+ hosts: oo_masters_to_config
+ roles:
+ - role: etcd_migrate
+ r_etcd_migrate_action: configure
+ when: etcd_migration_failed | length == 0
+ tasks:
+ - debug:
+ msg: "Skipping master re-configuration since migration failed."
+ when:
+ - etcd_migration_failed | length > 0
+
+- name: Start masters after etcd data migration
+ hosts: oo_masters_to_config
+ tasks:
+ - name: Start master services
+ service:
+ name: "{{ item }}"
+ state: started
+ register: service_status
+ # Sometimes the master-api, resp. master-controllers fails to start for the first time
+ until: service_status.state is defined and service_status.state == "started"
+ retries: 5
+ delay: 10
+ with_items: "{{ master_services[::-1] }}"
+ - fail:
+ msg: "Migration failed. The following hosts were not properly migrated: {{ etcd_migration_failed | join(',') }}"
+ when:
+ - etcd_migration_failed | length > 0