Zuul job

This commit adds a devstack multinode Zuul CI job. Playbooks to
install requirements on the hosts as well as set them up for SSH
access are included.

Change-Id: I1dce6bdab8cb54de50d787e58ccadce03ea44a2b

.zuul.yaml

@@ -1,3 +1,64 @@
+# TODO(artom) Once https://review.opendev.org/#/c/679656/ merges, we can unify
+# the nodeset names and use the one in Nova. Until then, have a different name
+# here.
+- nodeset:
+    name: multi-numa-multinode
+    nodes:
+      - name: controller
+        label: multi-numa-ubuntu-bionic
+      - name: compute
+        label: multi-numa-ubuntu-bionic
+    groups:
+      # Node where tests are executed and test results collected
+      - name: tempest
+        nodes:
+          - controller
+      # Nodes running the compute service
+      - name: compute
+        nodes:
+          - controller
+          - compute
+      # Nodes that are not the controller
+      - name: subnode
+        nodes:
+          - compute
+      # Switch node for multinode networking setup
+      - name: switch
+        nodes:
+          - controller
+      # Peer nodes for multinode networking setup
+      - name: peers
+        nodes:
+          - compute
+
+- job:
+    name: whitebox-multinode-devstack
+    nodeset: multi-numa-multinode
+    parent: tempest-multinode-full-py3
+    description: |
+        Devstack multinode job.
+    required-projects:
+        x/whitebox-tempest-plugin
+    pre-run: playbooks/whitebox.yaml
+    vars:
+        tox_envlist: all
+        tempest_concurrency: 1
+        tempest_test_regex: ^whitebox_tempest_plugin\.
+        devstack_plugins:
+            whitebox-tempest-plugin: https://opendev.org/x/whitebox-tempest-plugin.git
+        devstack_localrc:
+            MAX_COMPUTE_NODES: 2
+            LIBVIRT_TYPE: kvm
+            TEMPEST_PLUGINS: /opt/stack/whitebox-tempest-plugin
+            WHITEBOX_PRIVKEY_PATH: /home/tempest/.ssh/id_rsa
+    group-vars:
+        subnode:
+            num_hugepages: 2048
+            devstack_localrc:
+                LIBVIRT_TYPE: kvm
+        tempest:
+            num_hugepages: 512
+
 - project:
     name: x/whitebox-tempest-plugin
     templates:
@@ -5,3 +66,9 @@
       - openstack-python35-jobs
       - openstack-python36-jobs
       - openstack-python37-jobs
+    check:
+        jobs:
+            - whitebox-multinode-devstack
+    gate:
+        jobs:
+            - whitebox-multinode-devstack

playbooks/whitebox.yaml

@@ -0,0 +1,4 @@
+- hosts: all
+  roles:
+      - whitebox-common
+      - whitebox-nova-compute

roles/whitebox-common/tasks/main.yml

@@ -0,0 +1,23 @@
+# NOTE(artom) We need to install cruini and iniparse from source until
+# https://github.com/pixelb/crudini/issues/58 and
+# https://github.com/candlepin/python-iniparse/issues/5 are on fixed PyPi.
+- name: crudini and iniparse
+  pip:
+      name: "{{ item }}"
+      state: present
+  with_items:
+      - git+https://github.com/pixelb/crudini.git#egg=crudini
+      - git+https://github.com/candlepin/python-iniparse.git#egg=iniparse
+  become: yes
+
+# NOTE(artom) The run-tempest role runs as the tempest user, so we need to give
+# the tempest user SSH access to all hosts. Devstack's orchestrate-devstack
+# role should have put a pubkey into the stack user's authorized_keys, so if we
+# put the corresponding private key in the tempest user's .ssh, things should
+# magically work.
+- name: Setup tempest SSH key
+  include_role:
+      name: copy-build-sshkey
+  vars:
+      copy_sshkey_target_user: 'tempest'
+  become: yes

roles/whitebox-nova-compute/tasks/main.yml

@@ -0,0 +1,9 @@
+- name: Install numactl
+  package:
+      name: numactl
+      state: present
+  become: yes
+
+- name: Allocate hugepages
+  shell: echo {{ num_hugepages }} > /sys/kernel/mm/hugepages/hugepages-2048kB/nr_hugepages
+  become: yes