From: James Saint-Rossy <james_saintrossy@cable.comcast.com>
Date: Tue, 9 Aug 2016 22:57:41 +0000 (-0400)
Subject: ceph_devices.yml cleanup and optimization
X-Git-Tag: v1.0.6~18^2~2
X-Git-Url: http://git.apps.os.sepia.ceph.com/?a=commitdiff_plain;h=5f61ff786719f45711a98bc1522a17b42fb33198;p=ceph-ansible.git

ceph_devices.yml cleanup and optimization
---

diff --git a/roles/ceph-osd/tasks/check_devices.yml b/roles/ceph-osd/tasks/check_devices.yml
index 8bb55f4ec..72dfa90e5 100644
--- a/roles/ceph-osd/tasks/check_devices.yml
+++ b/roles/ceph-osd/tasks/check_devices.yml
@@ -10,129 +10,26 @@
 # allow 2-digit partition numbers so fast SSDs can be shared by > 9 disks
 # for SSD journals.
 
-- name: check if the device is a partition
-  shell: "echo '{{ item }}' | egrep '/dev/([hsv]d[a-z]{1,2}|cciss/c[0-9]d[0-9]p|nvme[0-9]n[0-9]p)[0-9]{1,2}$'"
-  with_items: devices
-  changed_when: false
-  failed_when: false
-  register: ispartition
+- include: ./check_devices_static.yml
   when: not osd_auto_discovery
 
-- name: check if the device is a partition (autodiscover disks)
-  shell: "echo '/dev/{{ item.key }}' | egrep '/dev/([hsv]d[a-z]{1,2}|cciss/c[0-9]d[0-9]p|nvme[0-9]n[0-9]p)[0-9]{1,2}$'"
-  with_dict: ansible_devices
-  changed_when: false
-  failed_when: false
-  register: ispartition_autodiscover
-  when:
-    - ansible_devices is defined
-    - item.value.removable == "0"
-    - osd_auto_discovery
-
-# NOTE (leseb): we must do this because of
-# https://github.com/ansible/ansible/issues/4297
-- name: combine ispartition results
-  set_fact:
-    combined_ispartition_results: "{{ ispartition if not osd_auto_discovery else ispartition_autodiscover }}"
-
-- name: check the partition status of the osd disks
-  shell: "parted --script {{ item }} print > /dev/null 2>&1"
-  with_items: devices
-  changed_when: false
-  failed_when: false
-  register: osd_partition_status
-  when:
-    - journal_collocation or raw_multi_journal
-    - not osd_auto_discovery
-
-- name: check the partition status of the osd disks (autodiscover disks)
-  shell: "parted --script /dev/{{ item.key }} print > /dev/null 2>&1"
-  with_dict: ansible_devices
-  changed_when: false
-  failed_when: false
-  register: osd_partition_status_autodiscover
-  when:
-    - journal_collocation or raw_multi_journal
-    - ansible_devices is defined
-    - item.value.removable == "0"
-    - item.value.partitions|count == 0
-    - osd_auto_discovery
-
-# NOTE (leseb): we must do this because of
-# https://github.com/ansible/ansible/issues/4297
-- name: combine osd_partition_status results
-  set_fact:
-    combined_osd_partition_status_results: "{{ osd_partition_status if not osd_auto_discovery else osd_partition_status_autodiscover }}"
+- include: ./check_devices_auto.yml
+  when: osd_auto_discovery
 
 - name: check the partition status of the journal devices
   shell: "parted --script {{ item }} print > /dev/null 2>&1"
-  with_items: raw_journal_devices
+  with_items: '{{ raw_journal_devices }}'
   changed_when: false
   failed_when: false
   register: journal_partition_status
   when: raw_multi_journal
 
-# NOTE: The following calls to sgdisk are retried because sgdisk is known to
-# fully wipe a device the first time around. There is no need to halt execution
-# of zapping the whole device so these try again. It is easier to use `||` to
-# keep the current flow of the task.
-# See: https://github.com/ceph/ceph-ansible/issues/759
-- name: fix partitions gpt header or labels of the osd disks
-  shell: "sgdisk --zap-all --clear --mbrtogpt -- {{ item.1 }} || sgdisk --zap-all --clear --mbrtogpt -- {{ item.1 }}"
-  with_together:
-    - combined_osd_partition_status_results.results
-    - devices
-  changed_when: false
-  when:
-    - journal_collocation or raw_multi_journal
-    - not osd_auto_discovery
-    - item.0.rc != 0
-
-- name: fix partitions gpt header or labels of the osd disks (autodiscover disks)
-  shell: "sgdisk --zap-all --clear --mbrtogpt -- '/dev/{{ item.0.item.key }}' || sgdisk --zap-all --clear --mbrtogpt -- '/dev/{{ item.0.item.key }}'"
-  with_together:
-    - combined_osd_partition_status_results.results
-    - ansible_devices
-  changed_when: false
-  when:
-    - journal_collocation
-    - osd_auto_discovery
-    - ansible_devices is defined
-    - item.0.item.value.removable == "0"
-    - item.0.item.value.partitions|count == 0
-    - item.0.rc != 0
-
 - name: fix partitions gpt header or labels of the journal devices
   shell: "sgdisk --zap-all --clear --mbrtogpt -- {{ item.1 }} || sgdisk --zap-all --clear --mbrtogpt -- {{ item.1 }}"
   with_together:
-    - journal_partition_status.results
-    - raw_journal_devices
+    - '{{ journal_partition_status.results }}'
+    - '{{ raw_journal_devices }}'
   changed_when: false
   when:
     - raw_multi_journal
     - item.0.rc != 0
-
-- name: check if a partition named 'ceph' exists
-  shell: "parted --script {{ item }} print | egrep -sq '^ 1.*ceph'"
-  with_items: devices
-  changed_when: false
-  failed_when: false
-  register: parted
-  when: not osd_auto_discovery
-
-- name: check if a partition named 'ceph' exists (autodiscover disks)
-  shell: "parted --script /dev/{{ item.key }} print | egrep -sq '^ 1.*ceph'"
-  with_dict: ansible_devices
-  changed_when: false
-  failed_when: false
-  register: parted_autodiscover
-  when:
-    - ansible_devices is defined
-    - item.value.removable == "0"
-    - osd_auto_discovery
-
-# NOTE (leseb): we must do this because of
-# https://github.com/ansible/ansible/issues/4297
-- name: combine parted results
-  set_fact:
-    combined_parted_results: "{{ parted if not osd_auto_discovery else parted_autodiscover }}"
diff --git a/roles/ceph-osd/tasks/check_devices_auto.yml b/roles/ceph-osd/tasks/check_devices_auto.yml
new file mode 100644
index 000000000..d44ae5e60
--- /dev/null
+++ b/roles/ceph-osd/tasks/check_devices_auto.yml
@@ -0,0 +1,45 @@
+---
+- name: check if the device is a partition (autodiscover disks)
+  shell: "echo '/dev/{{ item.key }}' | egrep '/dev/([hsv]d[a-z]{1,2}|cciss/c[0-9]d[0-9]p|nvme[0-9]n[0-9]p)[0-9]{1,2}$'"
+  with_dict: '{{ ansible_devices }}'
+  changed_when: false
+  failed_when: false
+  register: '{{ combined_ispartition_results }}'
+  when:
+    - ansible_devices is defined
+    - item.value.removable == "0"
+
+- name: check the partition status of the osd disks (autodiscover disks)
+  shell: "parted --script /dev/{{ item.key }} print > /dev/null 2>&1"
+  with_dict: '{{ ansible_devices }}'
+  changed_when: false
+  failed_when: false
+  register: combined_osd_partition_status_results
+  when:
+    - journal_collocation or raw_multi_journal
+    - ansible_devices is defined
+    - item.value.removable == "0"
+    - item.value.partitions|count == 0
+
+- name: fix partitions gpt header or labels of the osd disks (autodiscover disks)
+  shell: "sgdisk --zap-all --clear --mbrtogpt -- '/dev/{{ item.0.item.key }}' || sgdisk --zap-all --clear --mbrtogpt -- '/dev/{{ item.0.item.key }}'"
+  with_together:
+    - '{{ combined_osd_partition_status_results.results }}'
+    - '{{ ansible_devices }}'
+  changed_when: false
+  when:
+    - journal_collocation
+    - ansible_devices is defined
+    - item.0.item.value.removable == "0"
+    - item.0.item.value.partitions|count == 0
+    - item.0.rc != 0
+
+- name: check if a partition named 'ceph' exists (autodiscover disks)
+  shell: "parted --script /dev/{{ item.key }} print | egrep -sq '^ 1.*ceph'"
+  with_dict: '{{ ansible_devices }}'
+  changed_when: false
+  failed_when: false
+  register: combined_parted_results
+  when:
+    - ansible_devices is defined
+    - item.value.removable == "0"
diff --git a/roles/ceph-osd/tasks/check_devices_static.yml b/roles/ceph-osd/tasks/check_devices_static.yml
new file mode 100644
index 000000000..1de6067d9
--- /dev/null
+++ b/roles/ceph-osd/tasks/check_devices_static.yml
@@ -0,0 +1,38 @@
+---
+- name: check if the device is a partition
+  shell: "echo '{{ item }}' | egrep '/dev/([hsv]d[a-z]{1,2}|cciss/c[0-9]d[0-9]p|nvme[0-9]n[0-9]p)[0-9]{1,2}$'"
+  with_items: '{{ devices }}'
+  changed_when: false
+  failed_when: false
+  register: combined_ispartition_results
+
+- name: check the partition status of the osd disks
+  shell: "parted --script {{ item }} print > /dev/null 2>&1"
+  with_items: '{{ devices }}'
+  changed_when: false
+  failed_when: false
+  register: combined_osd_partition_status_results
+  when:
+    - journal_collocation or raw_multi_journal
+
+# NOTE: The following calls to sgdisk are retried because sgdisk is known to
+# fully wipe a device the first time around. There is no need to halt execution
+# of zapping the whole device so these try again. It is easier to use `||` to
+# keep the current flow of the task.
+# See: https://github.com/ceph/ceph-ansible/issues/759
+- name: fix partitions gpt header or labels of the osd disks
+  shell: "sgdisk --zap-all --clear --mbrtogpt -- {{ item.1 }} || sgdisk --zap-all --clear --mbrtogpt -- {{ item.1 }}"
+  with_together:
+    - '{{ combined_osd_partition_status_results.results }}'
+    - '{{ devices }}'
+  changed_when: false
+  when:
+    - journal_collocation or raw_multi_journal
+    - item.0.rc != 0
+
+- name: check if a partition named 'ceph' exists
+  shell: "parted --script {{ item }} print | egrep -sq '^ 1.*ceph'"
+  with_items: '{{ devices }}'
+  changed_when: false
+  failed_when: false
+  register: combined_parted_results