Add cluster dump artifact in CI jobs (#5796)

tests/testcases/015_check-pods-running.yml

@@ -12,6 +12,9 @@
       bin_dir: "/usr/local/bin"
     when: not ansible_os_family in ["CoreOS", "Coreos", "Container Linux by CoreOS", "Flatcar", "Flatcar Container Linux by Kinvolk"]
 
+  - import_role:
+      name: cluster-dump
+
   - name: Check kubectl output
     shell: "{{ bin_dir }}/kubectl get pods --all-namespaces -owide"
     register: get_pods

tests/testcases/020_check-nodes-ready.yml

@@ -12,6 +12,9 @@
       bin_dir: "/usr/local/bin"
     when: not ansible_os_family in ["CoreOS", "Coreos", "Container Linux by CoreOS", "Flatcar", "Flatcar Container Linux by Kinvolk"]
 
+  - import_role:
+      name: cluster-dump
+
   - name: Check kubectl output
     shell: "{{ bin_dir }}/kubectl get nodes"
     register: get_nodes

tests/testcases/030_check-network.yml

@@ -21,6 +21,9 @@
   - name: Run a replica controller composed of 2 pods in test ns
     shell: "{{ bin_dir }}/kubectl run test --image={{ test_image_repo }}:{{ test_image_tag }} --namespace test --replicas=2 --command -- tail -f /dev/null"
 
+  - import_role:
+      name: cluster-dump
+
   - name: Check that all pods are running and ready
     shell: "{{ bin_dir }}/kubectl get pods --namespace test --no-headers -o yaml"
     register: run_pods_log

tests/testcases/040_check-network-adv.yml

@@ -24,6 +24,9 @@
         bin_dir: "/usr/local/bin"
       when: not ansible_os_family in ["CoreOS", "Coreos", "Container Linux by CoreOS", "Flatcar", "Flatcar Container Linux by Kinvolk"]
 
+    - import_role:
+        name: cluster-dump
+
     - name: Wait for netchecker server
       shell: "{{ bin_dir }}/kubectl get pods -o wide --namespace {{ netcheck_namespace }} | grep ^netchecker-server"
       delegate_to: "{{ groups['kube-master'][0] }}"

tests/testcases/roles/cluster-dump/tasks/main.yml

@@ -0,0 +1,18 @@
+---
+- name: Generate dump folder
+  shell: "{{ bin_dir }}/kubectl cluster-info dump --all-namespaces --output-directory /tmp/cluster-dump"
+  no_log: true
+  when: inventory_hostname in groups['kube-master']
+
+- name: Compress directory cluster-dump
+  archive:
+    path: /tmp/cluster-dump
+    dest: /tmp/cluster-dump.tgz
+  when: inventory_hostname in groups['kube-master']
+
+- name: Fetch dump file
+  fetch:
+    src: /tmp/cluster-dump.tgz
+    dest: "{{ lookup('env', 'CI_PROJECT_DIR') }}/cluster-dump/{{ inventory_hostname }}.tgz"
+    flat: true
+  when: inventory_hostname in groups['kube-master']