using /var directory for ceph storage when not deployed on compute node

JIRA: COMPASS-174
  - if no sdb exits, use /var for default storage

Change-Id: Ia2daacb868279cb7a7287f246d2d25d3a758f31d
Signed-off-by: grakiss <grakiss.wanglei@huawei.com>

7 files changed, 67 insertions, 0 deletions

diff --git a/deploy/adapters/ansible/roles/storage/files/create_img.sh b/deploy/adapters/ansible/roles/storage/files/create_img.sh
new file mode 100755
index 00000000..4b9ac534
--- /dev/null
+++ b/deploy/adapters/ansible/roles/storage/files/create_img.sh
@@ -0,0 +1,4 @@
+seek_num=`echo $1 | sed -e 's/.* //g'`
+if [[ ! -f /var/storage.img ]]; then
+  dd if=/dev/zero of=/var/storage.img bs=1 count=0 seek=$seek_num
+fi
diff --git a/deploy/adapters/ansible/roles/storage/files/get_var_size.sh b/deploy/adapters/ansible/roles/storage/files/get_var_size.sh
new file mode 100755
index 00000000..55041c6e
--- /dev/null
+++ b/deploy/adapters/ansible/roles/storage/files/get_var_size.sh
@@ -0,0 +1,6 @@
+size=`df /var | awk '$3 ~ /[0-9]+/ { print $4 }'`;
+if [[ $size -gt 2000000000 ]]; then
+  echo -n 2000000000000;
+else
+  echo -n $((size * 1000 / 512 * 512));
+fi
diff --git a/deploy/adapters/ansible/roles/storage/files/loop.yml b/deploy/adapters/ansible/roles/storage/files/loop.yml
new file mode 100755
index 00000000..e872652a
--- /dev/null
+++ b/deploy/adapters/ansible/roles/storage/files/loop.yml
@@ -0,0 +1 @@
+physical_device: /dev/loop0
diff --git a/deploy/adapters/ansible/roles/storage/files/losetup.sh b/deploy/adapters/ansible/roles/storage/files/losetup.sh
new file mode 100755
index 00000000..8cb9bd7d
--- /dev/null
+++ b/deploy/adapters/ansible/roles/storage/files/losetup.sh
@@ -0,0 +1,7 @@
+loop_dev=`losetup -a |grep "/var/storage.img"|awk -F':' '{print $1}'`
+if [[ -z $loop_dev ]]; then
+  losetup -f --show /var/storage.img
+else
+  echo $loop_dev
+fi
+
diff --git a/deploy/adapters/ansible/roles/storage/tasks/loop.yml b/deploy/adapters/ansible/roles/storage/tasks/loop.yml
new file mode 100755
index 00000000..a16d2358
--- /dev/null
+++ b/deploy/adapters/ansible/roles/storage/tasks/loop.yml
@@ -0,0 +1,23 @@
+---
+
+- name: get available /var partition size
+  script: get_var_size.sh
+  register: part_size
+
+- name: create image file if not exitst
+  script: create_img.sh \"{{ part_size.stdout }}\"
+
+- name: do a losetup on storage volumes
+  script: losetup.sh
+  register: loop_device
+
+- name: debug loop device
+  debug: msg={{ loop_device.stdout }}
+
+- name: get device
+  shell: echo '{{ loop_device.stdout }}' | sed ':a;N;$!ba;s/.*\n\(\/dev\)/\1/g'
+  register: loop_device_filterd
+
+- name: create physical and group volumes
+  lvg: vg=storage-volumes pvs={{ loop_device_filterd.stdout }}
+       vg_options=--force
diff --git a/deploy/adapters/ansible/roles/storage/tasks/main.yml b/deploy/adapters/ansible/roles/storage/tasks/main.yml
new file mode 100755
index 00000000..ee4c97e5
--- /dev/null
+++ b/deploy/adapters/ansible/roles/storage/tasks/main.yml
@@ -0,0 +1,18 @@
+---
+- name: check if physical device exists
+  stat: path={{ physical_device }}
+  register: status
+  tags:
+    - storage
+
+- name: load loop.yml
+  include: loop.yml
+  when: status.stat.exists == False or status.stat.isblk == False 
+  tags:
+    - storage
+
+- name: load real.yml
+  include: real.yml
+  when: status.stat.exists == True and status.stat.isblk == True
+  tags:
+    - storage
diff --git a/deploy/adapters/ansible/roles/storage/tasks/real.yml b/deploy/adapters/ansible/roles/storage/tasks/real.yml
new file mode 100755
index 00000000..fd3351c0
--- /dev/null
+++ b/deploy/adapters/ansible/roles/storage/tasks/real.yml
@@ -0,0 +1,8 @@
+---
+- name: destroy GPT lable
+  shell: dd if=/dev/urandom of={{ physical_device }} bs=4M count=1
+  ignore_errors: True
+
+- name: create physical and group volumes
+  lvg: vg=storage-volumes pvs={{ physical_device }}
+       vg_options=--force