Merge pull request #424 from ceph/docker-checks

Add safety checks prior to deploy a cluster in containers

roles/ceph-mds/tasks/docker/checks.yml

@@ -0,0 +1,27 @@
+---
+- name: set config and keys paths
+  set_fact:
+    ceph_config_keys:
+      - /etc/ceph/ceph.client.admin.keyring
+      - /etc/ceph/ceph.conf
+      - /etc/ceph/monmap
+      - /etc/ceph/ceph.mon.keyring
+      - /var/lib/ceph/bootstrap-osd/ceph.keyring
+      - /var/lib/ceph/bootstrap-rgw/ceph.keyring
+      - /var/lib/ceph/bootstrap-mds/ceph.keyring
+
+- name: stat for ceph config and keys
+  stat:
+    path: {{ item }}
+  with_items: ceph_config_keys
+  changed_when: false
+  failed_when: false
+  register: statleftover
+
+- name: fail if we find existing cluster files
+  fail:
+    msg: "looks like no cluster is running but ceph files are present, please remove them"
+  with_together:
+    - ceph_config_keys
+    - statleftover.results
+  when: item.1.stat.exists == true

roles/ceph-mds/tasks/docker/main.yml

@@ -1,4 +1,13 @@
 ---
+- name: check if a cluster is already running
+  shell: "docker ps | grep -sq 'ceph/daemon'"
+  register: ceph_health
+  changed_when: false
+  failed_when: false
+
+- include: checks.yml
+  when: ceph_health.rc != 0
+
 - include: pre_requisite.yml
 - include: fetch_configs.yml
 - include: start_docker_mds.yml

roles/ceph-mon/tasks/docker/checks.yml

@@ -0,0 +1,27 @@
+---
+- name: set config and keys paths
+  set_fact:
+    ceph_config_keys:
+      - /etc/ceph/ceph.client.admin.keyring
+      - /etc/ceph/ceph.conf
+      - /etc/ceph/monmap
+      - /etc/ceph/ceph.mon.keyring
+      - /var/lib/ceph/bootstrap-osd/ceph.keyring
+      - /var/lib/ceph/bootstrap-rgw/ceph.keyring
+      - /var/lib/ceph/bootstrap-mds/ceph.keyring
+
+- name: stat for ceph config and keys
+  stat:
+    path: {{ item }}
+  with_items: ceph_config_keys
+  changed_when: false
+  failed_when: false
+  register: statleftover
+
+- name: fail if we find existing cluster files
+  fail:
+    msg: "looks like no cluster is running but ceph files are present, please remove them"
+  with_together:
+    - ceph_config_keys
+    - statleftover.results
+  when: item.1.stat.exists == true

roles/ceph-mon/tasks/docker/main.yml

@@ -1,4 +1,13 @@
 ---
+- name: check if a cluster is already running
+  shell: "docker ps | grep -sq 'ceph/daemon'"
+  register: ceph_health
+  changed_when: false
+  failed_when: false
+
+- include: checks.yml
+  when: ceph_health.rc != 0
+
 - include: pre_requisite.yml
 - include: fetch_configs.yml
 - include: start_docker_monitor.yml

roles/ceph-osd/tasks/docker/checks.yml

@@ -0,0 +1,27 @@
+---
+- name: set config and keys paths
+  set_fact:
+    ceph_config_keys:
+      - /etc/ceph/ceph.client.admin.keyring
+      - /etc/ceph/ceph.conf
+      - /etc/ceph/monmap
+      - /etc/ceph/ceph.mon.keyring
+      - /var/lib/ceph/bootstrap-osd/ceph.keyring
+      - /var/lib/ceph/bootstrap-rgw/ceph.keyring
+      - /var/lib/ceph/bootstrap-mds/ceph.keyring
+
+- name: stat for ceph config and keys
+  stat:
+    path: {{ item }}
+  with_items: ceph_config_keys
+  changed_when: false
+  failed_when: false
+  register: statleftover
+
+- name: fail if we find existing cluster files
+  fail:
+    msg: "looks like no cluster is running but ceph files are present, please remove them"
+  with_together:
+    - ceph_config_keys
+    - statleftover.results
+  when: item.1.stat.exists == true

roles/ceph-osd/tasks/docker/main.yml

@@ -1,4 +1,13 @@
 ---
+- name: check if a cluster is already running
+  shell: "docker ps | grep -sq 'ceph/daemon'"
+  register: ceph_health
+  changed_when: false
+  failed_when: false
+
+- include: checks.yml
+  when: ceph_health.rc != 0
+
 - include: pre_requisite.yml
 - include: fetch_configs.yml
 - include: start_docker_osd.yml

roles/ceph-rgw/tasks/docker/checks.yml

@@ -0,0 +1,27 @@
+---
+- name: set config and keys paths
+  set_fact:
+    ceph_config_keys:
+      - /etc/ceph/ceph.client.admin.keyring
+      - /etc/ceph/ceph.conf
+      - /etc/ceph/monmap
+      - /etc/ceph/ceph.mon.keyring
+      - /var/lib/ceph/bootstrap-osd/ceph.keyring
+      - /var/lib/ceph/bootstrap-rgw/ceph.keyring
+      - /var/lib/ceph/bootstrap-mds/ceph.keyring
+
+- name: stat for ceph config and keys
+  stat:
+    path: {{ item }}
+  with_items: ceph_config_keys
+  changed_when: false
+  failed_when: false
+  register: statleftover
+
+- name: fail if we find existing cluster files
+  fail:
+    msg: "looks like no cluster is running but ceph files are present, please remove them"
+  with_together:
+    - ceph_config_keys
+    - statleftover.results
+  when: item.1.stat.exists == true

roles/ceph-rgw/tasks/docker/main.yml

@@ -1,4 +1,13 @@
 ---
+- name: check if a cluster is already running
+  shell: "docker ps | grep -sq 'ceph/daemon'"
+  register: ceph_health
+  changed_when: false
+  failed_when: false
+
+- include: checks.yml
+  when: ceph_health.rc != 0
+
 - include: pre_requisite.yml
 - include: fetch_configs.yml
 - include: start_docker_rgw.yml