# -*- encoding: utf-8 -*- 
# ============LICENSE_START======================================================= 
# org.onap.vvp/engagementmgr
# ===================================================================
# Copyright © 2017 AT&T Intellectual Property. All rights reserved.
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# Unless otherwise specified, all software contained herein is licensed
# under the Apache License, Version 2.0 (the “License”);
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#             http://www.apache.org/licenses/LICENSE-2.0
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# See the License for the specific language governing permissions and
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#
# Unless otherwise specified, all documentation contained herein is licensed
# under the Creative Commons License, Attribution 4.0 Intl. (the “License”);
# you may not use this documentation except in compliance with the License.
# You may obtain a copy of the License at
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#             https://creativecommons.org/licenses/by/4.0/
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# ============LICENSE_END============================================
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# ECOMP is a trademark and service mark of AT&T Intellectual Property.
- debug:
    msg: "{{volume_name}} {{pool_name}} {{snap_name}} {{timestamp}}"

- name: Create a new snapshot
  shell: rbd snap create {{pool_name}}/{{volume_name}}@{{timestamp}}_{{snap_name}}
  become: True

- name: Get number of existing snaps
  shell: rbd snap list --pool {{pool_name}} {{volume_name}} | grep -P "^\s*[0-9]*\s.*{{snap_name}}" | wc -l
  register: num_of_rbd_snaps
  become: True

- name: Get oldest snaps list
  shell: rbd snap list --pool {{pool_name}} {{volume_name}} | grep -P "^\s*[0-9]*\s.*_{{snap_name}}" | awk '{ print $2}' | awk -F"_" '{print $1}' | sort -n -r | tail -n+{{num_keep_snaps|int + 1}}
  register: list_of_rbds
  when: num_of_rbd_snaps.stdout|int > num_keep_snaps|int
  become: True

- debug:
    msg: "{{list_of_rbds}}"

- debug:
    msg: "{{num_of_rbd_snaps.stdout}} {{num_keep_snaps}} {{num_keep_snaps|int < num_of_rbd_snaps.stdout|int}}"

- name: Delete oldest snaps
  shell: rbd --pool {{pool_name}} snap rm --snap {{item}}_{{snap_name}} {{volume_name}}
  when: list_of_rbds.skipped is not defined and
        list_of_rbds.stdout_lines != "" and
        num_of_rbd_snaps.stdout|int > num_keep_snaps|int  and
        (ansible_date_time.epoch|int - item|int) / 86400|int >= days_keep_snaps|int
  with_items: "{{list_of_rbds.stdout_lines}}"
  become: True