Release oom-automatic-installation

Issue-ID: INT-2150
Signed-off-by: Michal Jagiello <michal.jagiello@t-mobile.pl>
Change-Id: I8992f93e2b79f17c90d8f3c350891e8428ef3dcb

3 files changed, 225 insertions, 0 deletions

diff --git a/roles/oom_clean/defaults/main.yaml b/roles/oom_clean/defaults/main.yaml
new file mode 100644
index 0000000..adf0ae3
--- /dev/null
+++ b/roles/oom_clean/defaults/main.yaml
@@ -0,0 +1,8 @@
+faulty_pods:
+  - ejbca
+
+helm_env: {}
+
+helm_env_postgres:
+  HELM_DRIVER: sql
+  HELM_DRIVER_SQL_CONNECTION_STRING: "{{ postgres_url }}"
\ No newline at end of file
diff --git a/roles/oom_clean/tasks/helm3.yaml b/roles/oom_clean/tasks/helm3.yaml
new file mode 100644
index 0000000..f6eb3a9
--- /dev/null
+++ b/roles/oom_clean/tasks/helm3.yaml
@@ -0,0 +1,66 @@
+---
+- name: "[HELM3] retrieve helm postgres secret"
+  community.kubernetes.k8s_info:
+    api_version: v1
+    kind: Secret
+    name: "{{ postgres_secret_name }}"
+    namespace: "{{ postgres_namespace }}"
+  register: postgres_secrets
+  when: helmv3_use_sql|bool
+
+- name: "[HELM3] retrieve helm postrgres password"
+  set_fact:
+    postgres_password: "{{
+      postgres_secrets.resources[0].data['postgresql-password'] | b64decode }}"
+  when: helmv3_use_sql|bool
+
+- name: set helm environment with postgres
+  set_fact:
+    helm_env: "{{ helm_env_postgres }}"
+  when: helmv3_use_sql|bool
+
+- name: "[HELM3] list previously installed components"
+  shell: |
+    set -o pipefail && helm list -a -n {{ onap_namespace }} |
+      awk '{print $1}' | grep {{ chart_name }}- || true
+  args:
+    executable: /bin/bash
+  environment: "{{ helm_env }}"
+  register: components
+  changed_when: "false"
+
+- name: "[HELM3] remove previously installed components"
+  command:
+    "helm uninstall {{ item }} -n {{ onap_namespace }}"
+  loop: "{{ components.stdout_lines }}"
+  environment: "{{ helm_env }}"
+  register: helm_undeploy
+  async: 900
+  poll: 0
+
+- name: "[HELM3] Wait for component deletion"
+  ansible.builtin.async_status:
+    jid: "{{ item.ansible_job_id }}"
+  register: _jobs
+  until: _jobs.finished
+  delay: 5
+  retries: 300
+  loop: "{{ helm_undeploy.results }}"
+  loop_control:
+    label: "{{ item.item }}"
+
+- name: "[HELM3] check if an onap installation has been launched before"
+  shell: |
+    set -o pipefail && helm list -a -n {{ onap_namespace }} |
+      awk '{print $1}' | grep -c {{ chart_name }} || true
+  args:
+    executable: /bin/bash
+  environment: "{{ helm_env }}"
+  register: launched
+  changed_when: "false"
+
+- name: "[HELM3] remove previous installation"
+  command:
+    "helm uninstall {{ chart_name }} -n {{ onap_namespace }}"
+  environment: "{{ helm_env }}"
+  when: launched.stdout != '0'
\ No newline at end of file
diff --git a/roles/oom_clean/tasks/main.yaml b/roles/oom_clean/tasks/main.yaml
new file mode 100644
index 0000000..4f14200
--- /dev/null
+++ b/roles/oom_clean/tasks/main.yaml
@@ -0,0 +1,151 @@
+---
+- name: check helm version
+  command: "helm version --template {% raw %}'{{.Version}}'{% endraw %}"
+  register: helm_version
+
+# Return of previous command will be "v3.3.4" for v3 and up and "<no value>"
+# for version 2.
+- name: store helm version
+  ansible.builtin.set_fact:
+    helmv3: "{{ ('<' in helm_version.stdout) | ternary(false, true) }}"
+
+- name: "HELM 3 not installed - stop playbook"
+  ansible.builtin.fail:
+    msg: HELM 3 not installed
+  when: not helmv3
+
+- name: "[HELM3] Remove previous installation"
+  include_tasks: helm3.yaml
+  when: helmv3
+
+- name: get number of remaining pods
+  command: >
+    kubectl get pods --namespace {{ onap_namespace }} --no-headers
+    -o custom-columns=NAME:.metadata.name
+  changed_when: False
+  register: pods
+
+- name: delete remaining faulty pods
+  command: >
+    kubectl delete pods --namespace {{ onap_namespace }} --force
+    --grace-period 0 {{ item }}
+  loop: "{{ pods.stdout_lines }}"
+  when: (pods.stdout_lines | length) <= (faulty_pods | length) and
+        ((item | regex_replace('^[a-zA-Z0-9]+-') |
+                 regex_replace('-[0-9a-z]+-[0-9a-z]+$')) in faulty_pods)
+  changed_when: True
+
+- name: get number of remaining jobs
+  command: >
+    kubectl get jobs --namespace {{ onap_namespace }} --no-headers
+    -o custom-columns=NAME:.metadata.name
+  changed_when: false
+  register: jobs
+
+- name: delete remaining faulty jobs
+  command: >
+    kubectl delete job --namespace {{ onap_namespace }} --force
+    --grace-period 0 {{ item }}
+  loop: "{{ jobs.stdout_lines }}"
+
+- name: get number of remaining pvcs
+  command: >
+    kubectl get pvc --namespace {{ onap_namespace }} --no-headers
+    -o custom-columns=NAME:.metadata.name
+  changed_when: false
+  register: pvcs
+
+- name: delete remaining faulty pvcs
+  command: >
+    kubectl delete pvc --namespace {{ onap_namespace }} --force
+    --grace-period 0 {{ item }}
+  loop: "{{ pvcs.stdout_lines }}"
+
+- name: check if namespace is for namespace full deletion
+  shell: |
+    set -o pipefail && kubectl get namespace {{ onap_namespace }}
+    -o jsonpath="{.status.phase}" || true
+  args:
+    executable: /bin/bash
+  register: ns_status
+  ignore_errors: yes
+  changed_when: False
+
+- name: delete onap namespace
+  community.kubernetes.k8s:
+    state: absent
+    definition:
+      apiVersion: v1
+      kind: Namespace
+      metadata:
+        name: "{{ onap_namespace }}"
+  when: (not ns_status.failed) and ('Terminating' not in ns_status.stdout)
+
+- name: delete onap tests namespace
+  community.kubernetes.k8s:
+    state: absent
+    definition:
+      apiVersion: v1
+      kind: Namespace
+      metadata:
+        name: "{{ onap_namespace }}-tests"
+  when: (not ns_status.failed) and ('Terminating' not in ns_status.stdout)
+
+- name: wait for namespace full deletion
+  shell: |
+    set -o pipefail && kubectl get namespace |
+    grep -c {{ onap_namespace }} || true
+  args:
+    executable: /bin/bash
+  register: kube
+  changed_when:
+    kube.stdout  == '0'
+  until:
+    kube.stdout  == '0'
+  retries: 600
+  delay: 1
+
+- name: list all remaining persistent volumes
+  shell: |
+    set -o pipefail &&
+    kubectl get pv -o=jsonpath='{range .items[*]}{.metadata.name}{"\n"}{end}' |
+    grep {{ chart_name }} || true
+  args:
+    executable: /bin/bash
+  register: persistent_volumes
+  changed_when: "false"
+
+- name: remove remaining persistent volumes
+  shell: |
+    set -o pipefail && kubectl delete pv {{ item }} || true
+  args:
+    executable: /bin/bash
+  changed_when: "true"
+  loop: "{{ persistent_volumes.stdout_lines }}"
+
+- name: "list all onap directories in {{ nfs_folder }}"
+  ansible.builtin.find:
+    paths: "{{ nfs_folder }}"
+    recurse: no
+    file_type: directory
+  register: onap_directories
+
+- name: "delete onap directory in {{ nfs_folder }}"
+  become: "yes"
+  ansible.builtin.file:
+    path: "{{ item.path }}"
+    state: absent
+  loop: "{{ onap_directories.files }}"
+  loop_control:
+    label: "{{ item.path }}"
+
+- name: delete component-gating-overrides.yaml if present
+  ansible.builtin.file:
+    path: "{{ override_gating_component }}"
+    state: absent
+
+- name: remove oom directory
+  become: "yes"
+  ansible.builtin.file:
+    path: "{{ oom_path }}"
+    state: absent