cinder volume space is too small

JIRA: COMPASS-116

Change-Id: I26553b6e56bbe46138e8dec4ee3af1aed7093bc4
Signed-off-by: carey.xu <carey.xuhan@huawei.com>

6 files changed, 51 insertions, 35 deletions

diff --git a/deploy/adapters/ansible/roles/cinder-volume/files/create_img.sh b/deploy/adapters/ansible/roles/cinder-volume/files/create_img.sh
new file mode 100644
index 00000000..b69db0ed
--- /dev/null
+++ b/deploy/adapters/ansible/roles/cinder-volume/files/create_img.sh
@@ -0,0 +1,3 @@
+if [[ ! -f /var/cinder.img ]]; then
+  dd if=/dev/zero of=/var/cinder.img bs=1 count=1 seek=$1
+fi
diff --git a/deploy/adapters/ansible/roles/cinder-volume/files/get_var_size.sh b/deploy/adapters/ansible/roles/cinder-volume/files/get_var_size.sh
new file mode 100644
index 00000000..9670da12
--- /dev/null
+++ b/deploy/adapters/ansible/roles/cinder-volume/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));
+fi
diff --git a/deploy/adapters/ansible/roles/cinder-volume/files/losetup.sh b/deploy/adapters/ansible/roles/cinder-volume/files/losetup.sh
new file mode 100644
index 00000000..d0e6c776
--- /dev/null
+++ b/deploy/adapters/ansible/roles/cinder-volume/files/losetup.sh
@@ -0,0 +1,7 @@
+loop_dev=`losetup -a |grep "/var/cinder.img"|awk -F':' '{print $1}'`
+if [[ -z $loop_dev ]]; then
+  losetup -f --show /var/cinder.img
+else
+  echo $loop_dev
+fi
+
diff --git a/deploy/adapters/ansible/roles/cinder-volume/tasks/loop.yml b/deploy/adapters/ansible/roles/cinder-volume/tasks/loop.yml
new file mode 100644
index 00000000..b44253c4
--- /dev/null
+++ b/deploy/adapters/ansible/roles/cinder-volume/tasks/loop.yml
@@ -0,0 +1,20 @@
+---
+- include_vars: "{{ ansible_os_family }}.yml"
+
+- name: get available /var partition size
+  script: get_var_size.sh
+  register: part_size
+
+- name: create cinder file if not exitst
+  script: create_img.sh {{ part_size.stdout }}
+
+- name: do a losetup on /mnt/cinder-volumes
+  script: losetup.sh
+  register: loop_device
+
+- name: debug loop device
+  debug: msg={{ loop_device.stdout }}
+
+- name: create physical and group volumes
+  lvg: vg=cinder-volumes pvs={{ loop_device.stdout }}
+       vg_options=--force
diff --git a/deploy/adapters/ansible/roles/cinder-volume/tasks/main.yml b/deploy/adapters/ansible/roles/cinder-volume/tasks/main.yml
index b64024da..a258a0cf 100644
--- a/deploy/adapters/ansible/roles/cinder-volume/tasks/main.yml
+++ b/deploy/adapters/ansible/roles/cinder-volume/tasks/main.yml
@@ -13,43 +13,13 @@
   stat: path={{ physical_device }}
   register: status
 
-- name: replace physical_device if st is false
-  local_action: copy src=loop.yml dest=/tmp/loop.yml
-  when: status.stat.exists == False
-
 - name: load loop.yml
-  include_vars: /tmp/loop.yml
-  when: status.stat.exists == False
-
-- name: check if cinder-volumes is mounted
-  shell: ls /mnt
-  register: cindervolumes
-
-- name: get available partition size
-  shell: df / | awk '$3 ~ /[0-9]+/ { print $4 }'
-  register: partition_size
-
-- name: if not mounted, mount it
-  shell: dd if=/dev/zero of=/mnt/cinder-volumes
-         bs=1 count=0 seek={{ partition_size.stdout }}
-  when: cindervolumes.stdout != 'cinder-volumes'
-
-- name: get first lo device
-  shell: losetup -f
-  register: first_lo
-  when: cindervolumes.stdout != 'cinder-volumes'
-
-- name: do a losetup on /mnt/cinder-volumes
-  shell: losetup {{ first_lo.stdout }} /mnt/cinder-volumes
-  when: cindervolumes.stdout != 'cinder-volumes'
-
-- name: destroy GPT lable
-  shell: dd if=/dev/urandom of=/dev/sdb bs=4M count=1
-  ignore_errors: True
+  include: loop.yml
+  when: status.stat.isblk == False
 
-- name: create physical and group volumes
-  lvg: vg=cinder-volumes pvs={{ physical_device }}
-       vg_options=--force
+- name: load real.yml
+  include: real.yml
+  when: status.stat.isblk == True
 
 - name: upload cinder-volume configuration
   template: src=cinder.conf dest=/etc/cinder/cinder.conf
diff --git a/deploy/adapters/ansible/roles/cinder-volume/tasks/real.yml b/deploy/adapters/ansible/roles/cinder-volume/tasks/real.yml
new file mode 100644
index 00000000..19ef828b
--- /dev/null
+++ b/deploy/adapters/ansible/roles/cinder-volume/tasks/real.yml
@@ -0,0 +1,10 @@
+---
+- include_vars: "{{ ansible_os_family }}.yml"
+
+- 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=cinder-volumes pvs={{ physical_device }}
+       vg_options=--force