blob: bd1139c7b33c78a026e3274438c5acaf135df338 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
|
---
- name: Pre-migrate checks
hosts: localhost
tasks:
# Check there is only one etcd host
- assert:
that: groups.oo_etcd_to_config | default([]) | length == 1
msg: "[etcd] group must contain only one host"
# Check there is only one master
- assert:
that: groups.oo_masters_to_config | default([]) | length == 1
msg: "[master] group must contain only one host"
# Check the etcd cluster and master are running and healthy
- name: Check master and embedded etcd are healthy
hosts: oo_first_master
tasks:
- name: Check the embedded etcd is healthy
include_role:
name: etcd
tasks_from: check_cluster_health
vars:
r_etcd_common_etcd_runtime: "{{ openshift.common.etcd_runtime }}"
r_etcd_common_backup_tag: pre-migrate
r_etcd_common_backup_sufix_name: "{{ hostvars[groups.oo_first_master.0].embedded_etcd_backup_suffix }}"
etcd_peer: "{{ openshift.common.ip }}"
etcd_url_scheme: "https"
etcd_peer_url_scheme: "https"
- name: Check the master API is ready
include_role:
name: openshift_master
tasks_from: check_master_api_is_ready
# 1. stop a master
- name: Prepare masters for etcd data migration
hosts: oo_first_master
roles:
- role: openshift_facts
tasks:
- set_fact:
master_service: "{{ openshift.common.service_type + '-master' }}"
embedded_etcd_backup_suffix: "{{ lookup('pipe', 'date +%Y%m%d%H%M%S') }}"
- debug:
msg: "master service name: {{ master_service }}"
- name: Stop master
service:
name: "{{ master_service }}"
state: stopped
# 2. backup embedded etcd
# Can't use with_items with include_role: https://github.com/ansible/ansible/issues/21285
- include_role:
name: etcd
tasks_from: backup
vars:
r_etcd_common_etcd_runtime: "{{ openshift.common.etcd_runtime }}"
r_etcd_common_backup_tag: pre-migrate
r_etcd_common_embedded_etcd: "{{ true }}"
r_etcd_common_backup_sufix_name: "{{ embedded_etcd_backup_suffix }}"
- include_role:
name: etcd
tasks_from: backup.archive
vars:
r_etcd_common_etcd_runtime: "{{ openshift.common.etcd_runtime }}"
r_etcd_common_backup_tag: pre-migrate
r_etcd_common_embedded_etcd: "{{ true }}"
r_etcd_common_backup_sufix_name: "{{ embedded_etcd_backup_suffix }}"
# 3. deploy certificates (for etcd and master)
- include: ca.yml
- include: server_certificates.yml
- name: Backup etcd client certificates for master host
hosts: oo_first_master
tasks:
- include_role:
name: etcd
tasks_from: backup_master_etcd_certificates
- name: Redeploy master etcd certificates
include: master_etcd_certificates.yml
vars:
etcd_certificates_redeploy: "{{ true }}"
# 4. deploy external etcd
- include: ../openshift-etcd/config.yml
# 5. stop external etcd
- name: Cleanse etcd
hosts: oo_etcd_to_config[0]
gather_facts: no
pre_tasks:
- include_role:
name: etcd
tasks_from: disable_etcd
vars:
r_etcd_common_etcd_runtime: "{{ openshift.common.etcd_runtime }}"
- include_role:
name: etcd
tasks_from: clean_data
vars:
r_etcd_common_etcd_runtime: "{{ openshift.common.etcd_runtime }}"
# 6. copy the embedded etcd backup to the external host
# TODO(jchaloup): if the etcd and first master are on the same host, just copy the directory
- name: Copy embedded etcd backup to the external host
hosts: localhost
tasks:
- name: Create local temp directory for syncing etcd backup
local_action: command mktemp -d /tmp/etcd_backup-XXXXXXX
register: g_etcd_client_mktemp
changed_when: False
become: no
- include_role:
name: etcd
tasks_from: backup.fetch
vars:
r_etcd_common_etcd_runtime: "{{ hostvars[groups.oo_first_master.0].openshift.common.etcd_runtime }}"
etcd_backup_sync_directory: "{{ g_etcd_client_mktemp.stdout }}"
r_etcd_common_backup_tag: pre-migrate
r_etcd_common_embedded_etcd: "{{ true }}"
r_etcd_common_backup_sufix_name: "{{ hostvars[groups.oo_first_master.0].embedded_etcd_backup_suffix }}"
delegate_to: "{{ groups.oo_first_master[0] }}"
- include_role:
name: etcd
tasks_from: backup.copy
vars:
r_etcd_common_etcd_runtime: "{{ hostvars[groups.oo_etcd_to_config.0].openshift.common.etcd_runtime }}"
etcd_backup_sync_directory: "{{ g_etcd_client_mktemp.stdout }}"
r_etcd_common_backup_tag: pre-migrate
r_etcd_common_backup_sufix_name: "{{ hostvars[groups.oo_first_master.0].embedded_etcd_backup_suffix }}"
delegate_to: "{{ groups.oo_etcd_to_config[0] }}"
- debug:
msg: "etcd_backup_dest_directory: {{ g_etcd_client_mktemp.stdout }}"
- name: Delete temporary directory
local_action: file path="{{ g_etcd_client_mktemp.stdout }}" state=absent
changed_when: False
become: no
# 7. force new cluster from the backup
- name: Force new etcd cluster
hosts: oo_etcd_to_config[0]
tasks:
- include_role:
name: etcd
tasks_from: backup.unarchive
vars:
r_etcd_common_etcd_runtime: "{{ openshift.common.etcd_runtime }}"
r_etcd_common_backup_tag: pre-migrate
r_etcd_common_backup_sufix_name: "{{ hostvars[groups.oo_first_master.0].embedded_etcd_backup_suffix }}"
- include_role:
name: etcd
tasks_from: backup.force_new_cluster
vars:
r_etcd_common_etcd_runtime: "{{ openshift.common.etcd_runtime }}"
r_etcd_common_backup_tag: pre-migrate
r_etcd_common_backup_sufix_name: "{{ hostvars[groups.oo_first_master.0].embedded_etcd_backup_suffix }}"
etcd_peer: "{{ openshift.common.ip }}"
etcd_url_scheme: "https"
etcd_peer_url_scheme: "https"
# 8. re-configure master to use the external etcd
- name: Configure master to use external etcd
hosts: oo_first_master
tasks:
- include_role:
name: openshift_master
tasks_from: configure_external_etcd
vars:
etcd_peer_url_scheme: "https"
etcd_ip: "{{ openshift.common.ip }}"
etcd_peer_port: 2379
# 9. start the master
- name: Start master
service:
name: "{{ master_service }}"
state: started
register: service_status
until: service_status.state is defined and service_status.state == "started"
retries: 5
delay: 10
|
