anthos-bm-edge-deployment/roles/abm-software/tasks/create-snapshot.yaml

# Copyright 2022 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# Make directory to store snapshot config
- name: Create Snapshot Config folder
  file:
    path: '{{ snapshot_config_folder }}'
    state: directory
    mode: '0700'

# Copy snapshot config (template)
- name: "Setup snapshot configuration"
  template:
    src: snapshot-config.yaml.j2
    dest: "{{ snapshot_config_file }}"

# Make directory to store snapshot (if needed)
- name: Create Snapshot Output folder
  file:
    path: '{{ snapshot_output_folder }}'
    state: directory
    mode: '0700'

# Get date/time from CLI
- name: Get Date Time
  command:
    cmd: date -u +"%Y%m%dT%H%M%SZ"
  register: date_time

# Create Snapshot File Name
- name: Set current date
  set_fact:
    current_date_time: "{{ date_time.stdout }}"

- name: Set output name
  set_fact:
    snapshot_output_file_name: "{{cluster_name}}-cluster-snapshot-{{ current_date_time }}.tar.gz"

- name: Set file path
  set_fact:
    snapshot_output_file: "{{ snapshot_output_folder }}/{{ snapshot_output_file_name }}"

- name: debug
  debug:
    msg: "Snapshot Name: {{ snapshot_output_file }}"
  tags:
  - debug
  - never

- name: Set fact for if uploading
  set_fact:
    upload_snapshot: "{{ snapshot_gcs_bucket_base is defined and snapshot_gcs_bucket_base | length > 0 }}"

# Create (if needed) GCS bucket for uploading
- name: Check snapshot bucket existance
  debug:
    msg: "Checking/creating bucket '{{ snapshot_gcs_bucket_base }}'"
  when:
  - upload_snapshot == True
  tags:
  - debug
  - never

- name: Does GCS bucket exist?
  command:
    cmd: gsutil ls -p {{ google_project_id }} gs://{{ snapshot_gcs_bucket_base }}
  ignore_errors: true
  register: bucket_exists

- name: Create if missing
  command:
    cmd: gsutil mb -p {{ google_project_id }} gs://{{ snapshot_gcs_bucket_base }}
  when:
  - bucket_exists.rc > 0

# Perform Snapshot collection & push to bucket
- name: Create snapshot
  command:
    cmd: bmctl check cluster --snapshot --snapshot-config {{ snapshot_config_file }} --cluster {{ cluster_name }} --service-account-key-file /var/keys/gsa-key.json --snapshot-output {{ snapshot_output_file }} --kubeconfig {{ kubeconfig_shared_location }}
  args:
    chdir: "{{ abm_install_folder }}"

- name: Upload snapshot to GCS
  command:
    cmd: gsutil cp {{ snapshot_output_file }} gs://{{ snapshot_gcs_bucket_base }}/{{ cluster_name }}/{{ snapshot_output_file_name }}
  register: success_upload
  args:
    chdir: "{{ abm_install_folder }}"
  when:
  - upload_snapshot == True

- name: Ouptut IF error uploading compressed file
  debug:
    msg: "{{ success_upload }}"
  when:
  - upload_snapshot == True
  - success_upload.rc > 0
  tags:
  - debug
  - never