Add debug reporting to genesis gate

This patch adds a post-run step to the genesis gate to allow for easier debugging of failed gate runs This patch also brings the genesis gate HostSystem configuration up to date with the proper schema as defined here: aea0c9d1e9 Change-Id: Iccd971010217709fc3f1047f64fc22e9829b2f36
2019-11-18 14:45:18 -05:00 · 2019-11-18 14:45:18 -05:00 · 4773f86dd5
commit 4773f86dd5
parent 5b2fec3b64
3 changed files with 194 additions and 40 deletions
--- a/.zuul.yaml
+++ b/.zuul.yaml
@ -56,6 +56,7 @@
    description: |
      Deploy airship promenade genesis
    run: tools/zuul/playbooks/deploy-promenade.yaml
+    post-run: tools/zuul/playbooks/debug-report.yaml
    timeout: 3600
    nodeset: airship-promenade-single-node-bionic

--- a/examples/gate/HostSystem.yaml
+++ b/examples/gate/HostSystem.yaml
@ -8,6 +8,9 @@ metadata:
    layer: site
  storagePolicy: cleartext
 data:
+  systemd_units:
+    kube-cgroup:
+      enable: true
  files:
    - path: /opt/kubernetes/bin/hyperkube
      docker_image: gcr.io/google_containers/hyperkube-amd64:v1.11.6
@ -19,6 +22,37 @@ data:
    - path: /usr/local/bin/kubectl
      symlink: /opt/kubernetes/bin/hyperkube
      mode: 0555
+    - path: /etc/systemd/system/kube-cgroup.service
+      content: |
+        [Unit]
+        Description=Create and tune cgroup for Kubernetes Pods
+        Requires=network-online.target
+        Before=kubelet.service
+
+        [Service]
+        Delegate=yes
+        ExecStart=/usr/local/sbin/kube-cgroup.sh
+
+        [Install]
+        RequiredBy=kubelet.service
+      mode: 0444
+    - path: /usr/local/sbin/kube-cgroup.sh
+      mode: 0744
+      content: |-
+        #!/bin/bash
+
+        set -x
+
+        KUBE_CGROUP=${KUBE_CGROUP:-"kube_whitelist"}
+        SYSTEMD_ABSPATH="/sys/fs/cgroup/systemd/$KUBE_CGROUP"
+        CPUSET_ABSPATH="/sys/fs/cgroup/cpuset/$KUBE_CGROUP"
+        CPU_ABSPATH="/sys/fs/cgroup/cpu/$KUBE_CGROUP"
+        MEM_ABSPATH="/sys/fs/cgroup/memory/$KUBE_CGROUP"
+
+        for cg in $SYSTEMD_ABSPATH $CPUSET_ABSPATH $CPU_ABSPATH $MEM_ABSPATH
+        do
+          mkdir -p "$cg"
+        done
    - path: /etc/logrotate.d/json-logrotate
      mode: 0444
      content: |-
@ -41,51 +75,135 @@ data:
      content: |-
        export KUBECONFIG=/etc/kubernetes/admin/kubeconfig.yaml
  images:
-    monitoring_image: busybox:1.28.3
+    monitoring_image: &busybox busybox:1.28.3
    haproxy: haproxy:1.8.3
    helm:
      helm: lachlanevenson/k8s-helm:v2.14.0
  packages:
-    repositories:
-      - deb http://apt.dockerproject.org/repo ubuntu-xenial main
-    keys:
-      - |-
-        -----BEGIN PGP PUBLIC KEY BLOCK-----
+    common:
+      repositories:
+        - deb http://apt.dockerproject.org/repo ubuntu-xenial main
+      keys:
+        - |-
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-    additional:
-      - curl
-      - jq
-    required:
-      docker: docker.io
-      socat: socat
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+      additional:
+        - ceph-common
+        - curl
+        - jq
+      required:
+        docker: docker-engine
+        socat: socat
+      genesis:
+        repositories:
+          - deb http://apt.dockerproject.org/repo ubuntu-xenial main
+        keys:
+          - |-
+            -----BEGIN PGP PUBLIC KEY BLOCK-----
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+        additional:
+          - ceph-common
+          - curl
+          - jq
+        required:
+          docker: docker-engine
+          socat: socat
+      join:
+        repositories:
+          - deb http://apt.dockerproject.org/repo ubuntu-xenial main
+        keys:
+          - |-
+            -----BEGIN PGP PUBLIC KEY BLOCK-----
+
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+        additional:
+          - ceph-common
+          - curl
+          - jq
+        required:
+          docker: docker-engine
+          socat: socat
  validation:
    pod_logs:
-      image: busybox:1.28.3
+      image: *busybox
 ...
--- a/tools/zuul/playbooks/debug-report.yaml
+++ b/tools/zuul/playbooks/debug-report.yaml
@ -0,0 +1,35 @@
+# Copyright 2019 AT&T Intellectual Property. All other rights reserved.
+#
+# 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.
+
+- hosts: primary
+  become: true
+  tasks:
+    - name: Build debug report
+      shell: |
+        /usr/local/bin/debug-report.sh
+      args:
+        chdir: "{{ zuul.project.src_dir }}"
+
+    - name: Extract debug report
+      shell: |
+        mkdir -p /tmp/debug
+        tar -xf debug-* -C /tmp/debug
+      args:
+        chdir: "{{ zuul.project.src_dir }}"
+
+    - name: Pull logs to executor
+      synchronize:
+        src: /tmp/debug
+        dest: "{{ zuul.executor.log_root }}/{{ inventory_hostname }}"
+        mode: pull