Merge pull request #341 from detiber/sdodson-etcd-playbook

External clustered etcd support

5 files changed, 117 insertions, 0 deletions

diff --git a/playbooks/common/openshift-etcd/config.yml b/playbooks/common/openshift-etcd/config.yml
new file mode 100644
index 000000000..3cc561ba0
--- /dev/null
+++ b/playbooks/common/openshift-etcd/config.yml
@@ -0,0 +1,96 @@
+---
+- name: Set etcd facts needed for generating certs
+  hosts: oo_etcd_to_config
+  roles:
+  - openshift_facts
+  tasks:
+  - openshift_facts:
+      role: "{{ item.role }}"
+      local_facts: "{{ item.local_facts }}"
+    with_items:
+      - role: common
+        local_facts:
+          hostname: "{{ openshift_hostname | default(None) }}"
+          public_hostname: "{{ openshift_public_hostname | default(None) }}"
+          deployment_type: "{{ openshift_deployment_type }}"
+  - name: Check status of etcd certificates
+    stat:
+      path: "{{ item }}"
+    with_items:
+    - /etc/etcd/server.crt
+    - /etc/etcd/peer.crt
+    - /etc/etcd/ca.crt
+    register: g_etcd_server_cert_stat_result
+  - set_fact:
+      etcd_server_certs_missing: "{{ g_etcd_server_cert_stat_result.results | map(attribute='stat.exists')
+                                    | list | intersect([false])}}"
+      etcd_cert_subdir: etcd-{{ openshift.common.hostname }}
+      etcd_cert_config_dir: /etc/etcd
+      etcd_cert_prefix:
+
+- name: Create temp directory for syncing certs
+  hosts: localhost
+  connection: local
+  sudo: false
+  gather_facts: no
+  tasks:
+  - name: Create local temp directory for syncing certs
+    local_action: command mktemp -d /tmp/openshift-ansible-XXXXXXX
+    register: g_etcd_mktemp
+    changed_when: False
+
+- name: Configure etcd certificates
+  hosts: oo_first_etcd
+  vars:
+    etcd_generated_certs_dir: /etc/etcd/generated_certs
+    etcd_needing_server_certs: "{{ hostvars
+                                  | oo_select_keys(groups['oo_etcd_to_config'])
+                                  | oo_filter_list(filter_attr='etcd_server_certs_missing') }}"
+    sync_tmpdir: "{{ hostvars.localhost.g_etcd_mktemp.stdout }}"
+  roles:
+  - etcd_certificates
+  post_tasks:
+  - name: Create a tarball of the etcd certs
+    command: >
+      tar -czvf {{ etcd_generated_certs_dir }}/{{ item.etcd_cert_subdir }}.tgz
+        -C {{ etcd_generated_certs_dir }}/{{ item.etcd_cert_subdir }} .
+    args:
+      creates: "{{ etcd_generated_certs_dir }}/{{ item.etcd_cert_subdir }}.tgz"
+    with_items: etcd_needing_server_certs
+  - name: Retrieve the etcd cert tarballs
+    fetch:
+      src: "{{ etcd_generated_certs_dir }}/{{ item.etcd_cert_subdir }}.tgz"
+      dest: "{{ sync_tmpdir }}/"
+      flat: yes
+      fail_on_missing: yes
+      validate_checksum: yes
+    with_items: etcd_needing_server_certs
+
+- name: Configure etcd hosts
+  hosts: oo_etcd_to_config
+  vars:
+    sync_tmpdir: "{{ hostvars.localhost.g_etcd_mktemp.stdout }}"
+    etcd_url_scheme: https
+    etcd_peer_url_scheme: https
+    etcd_peers_group: oo_etcd_to_config
+  pre_tasks:
+  - name: Ensure certificate directory exists
+    file:
+      path: "{{ etcd_cert_config_dir }}"
+      state: directory
+  - name: Unarchive the tarball on the etcd host
+    unarchive:
+      src: "{{ sync_tmpdir }}/{{ etcd_cert_subdir }}.tgz"
+      dest: "{{ etcd_cert_config_dir }}"
+    when: etcd_server_certs_missing
+  roles:
+  - etcd
+
+- name: Delete temporary directory on localhost
+  hosts: localhost
+  connection: local
+  sudo: false
+  gather_facts: no
+  tasks:
+  - file: name={{ g_etcd_mktemp.stdout }} state=absent
+    changed_when: False
diff --git a/playbooks/common/openshift-etcd/filter_plugins b/playbooks/common/openshift-etcd/filter_plugins
new file mode 120000
index 000000000..99a95e4ca
--- /dev/null
+++ b/playbooks/common/openshift-etcd/filter_plugins
@@ -0,0 +1 @@
+../../../filter_plugins
\ No newline at end of file
diff --git a/playbooks/common/openshift-etcd/lookup_plugins b/playbooks/common/openshift-etcd/lookup_plugins
new file mode 120000
index 000000000..ac79701db
--- /dev/null
+++ b/playbooks/common/openshift-etcd/lookup_plugins
@@ -0,0 +1 @@
+../../../lookup_plugins
\ No newline at end of file
diff --git a/playbooks/common/openshift-etcd/roles b/playbooks/common/openshift-etcd/roles
new file mode 120000
index 000000000..e2b799b9d
--- /dev/null
+++ b/playbooks/common/openshift-etcd/roles
@@ -0,0 +1 @@
+../../../roles/
\ No newline at end of file
diff --git a/playbooks/common/openshift-etcd/service.yml b/playbooks/common/openshift-etcd/service.yml
new file mode 100644
index 000000000..0bf69b22f
--- /dev/null
+++ b/playbooks/common/openshift-etcd/service.yml
@@ -0,0 +1,18 @@
+---
+- name: Populate g_service_masters host group if needed
+  hosts: localhost
+  gather_facts: no
+  tasks:
+  - fail: msg="new_cluster_state is required to be injected in this playbook"
+    when: new_cluster_state is not defined
+
+  - name: Evaluate g_service_etcd
+    add_host: name={{ item }} groups=g_service_etcd
+    with_items: oo_host_group_exp | default([])
+
+- name: Change etcd state on etcd instance(s)
+  hosts: g_service_etcd
+  connection: ssh
+  gather_facts: no
+  tasks:
+    - service: name=etcd state="{{ new_cluster_state }}"