# 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.

- name: wait for pods in namespace
  vars:
    namespace: null
    timeout: 600
    wait_return_code:
      rc: 1
  block:
    - name: "wait for pods in {{ namespace }} namespace to be ready"
      shell: |-
              set -e
              kubectl get pods --namespace="{{ namespace }}" -o json | jq -r \
                  '.items[].status.phase' | grep Pending > /dev/null && \
                  PENDING=True || PENDING=False

              query='.items[]|select(.status.phase=="Running")'
              query="$query|.status.containerStatuses[].ready"
              kubectl get pods --namespace="{{ namespace }}" -o json | jq -r "$query" | \
                  grep false > /dev/null && READY="False" || READY="True"

              kubectl get jobs -o json --namespace="{{ namespace }}" | jq -r \
                  '.items[] | .spec.completions == .status.succeeded' | \
                  grep false > /dev/null && JOBR="False" || JOBR="True"
              [ $PENDING == "False" -a $READY == "True" -a $JOBR == "True" ] && \
                  exit 0 || exit 1
      args:
        executable: /bin/bash
      register: wait_return_code
      until: wait_return_code.rc == 0
      retries: "{{ timeout }}"
      delay: 1
  rescue:
    - name: "pods failed to come up in time, getting kubernetes objects status"
      command: kubectl get --all-namespaces  all -o wide --show-all
      register: out
    - name: "pods failed to come up in time, displaying kubernetes objects status"
      debug: var=out.stdout_lines
    - name: "pods failed to come up in time, stopping execution"
      command: exit 1