Add Mistral workbook to deploy Skydive using ansible

Skydive (https://github.com/skydive-project/skydive) is already
available through Kolla. This commit adds a Mistral workbook to
deploy it using ansible.

Change-Id: I0442d2a75a4931a4bd8399c58ff6b016d5486945

container-images/overcloud_containers.yaml

@@ -81,6 +81,8 @@ container_images:
 - imagename: tripleoupstream/centos-binary-sahara-api:latest
 - imagename: tripleoupstream/centos-binary-sahara-engine:latest
 - imagename: tripleoupstream/centos-binary-sensu-client:latest
+- imagename: tripleoupstream/centos-binary-skydive-agent:latest
+- imagename: tripleoupstream/centos-binary-skydive-analyzer:latest
 - imagename: tripleoupstream/centos-binary-swift-account:latest
 - imagename: tripleoupstream/centos-binary-swift-container:latest
 - imagename: tripleoupstream/centos-binary-swift-object:latest

container-images/overcloud_containers.yaml.j2

@@ -613,6 +613,18 @@ container_images_template:
   services:
   - OS::TripleO::Services::SensuClient
 
+- imagename: "{{namespace}}/{{name_prefix}}skydive-agent{{name_suffix}}:{{tag}}"
+  params:
+  - DockerSkydiveAgentImage
+  services:
+  - OS::TripleO::Services::SkydiveAgent
+
+- imagename: "{{namespace}}/{{name_prefix}}skydive-analyzer{{name_suffix}}:{{tag}}"
+  params:
+  - DockerSkydiveAnalyzerImage
+  services:
+  - OS::TripleO::Services::SkydiveAnalyzer
+
 - imagename: "{{namespace}}/{{name_prefix}}swift-account{{name_suffix}}:{{tag}}"
   params:
   - DockerSwiftAccountImage

releasenotes/notes/integrate-skydive-b3b569d996c24cc5.yaml

@@ -0,0 +1,5 @@
+---
+features:
+  - |
+    Add support for troubleshooting network issues using `Skydive
+    <http://skydive.network>`_.

workbooks/skydive-ansible.yaml

@@ -0,0 +1,68 @@
+---
+version: '2.0'
+name: tripleo.skydive_ansible.v1
+description: TripleO manages Skydive with skydive-ansible
+
+workflows:
+  skydive_install:
+    # allows for additional extra_vars via workflow input
+    input:
+      - ansible_playbook_verbosity: 0
+      - ansible_extra_env_variables:
+          ANSIBLE_ROLES_PATH: /usr/share/skydive-ansible/roles/
+          ANSIBLE_RETRY_FILES_ENABLED: 'False'
+          ANSIBLE_LOG_PATH: /var/log/mistral/skydive-install-workflow.log
+      - skydive_ansible_extra_vars: {}
+      - skydive_ansible_playbook: /usr/share/skydive-ansible/playbook.yml.sample
+    tags:
+      - tripleo-common-managed
+    tasks:
+      enable_ssh_admin:
+        workflow: tripleo.access.v1.enable_ssh_admin
+        on-success: get_private_key
+      get_private_key:
+        action: tripleo.validations.get_privkey
+        publish:
+          private_key: <% task().result %>
+        on-success: set_ip_lists
+      set_ip_lists:
+        publish:
+          agent_ips: <% env().get('service_ips', {}).get('skydive_agent_ctlplane_node_ips', []) %>
+          analyzer_ips: <% env().get('service_ips', {}).get('skydive_analyzer_ctlplane_node_ips', []) %>
+        on-success: set_fork_count
+      set_fork_count:
+        publish: # unique list of all IPs: make each list a set, take unions and count
+          fork_count: <% min($.agent_ips.toSet().union($.analyzer_ips.toSet()).count(), 100) %> # don't use >100 forks
+        on-success: set_role_vars
+      set_role_vars:
+        publish:
+          # NOTE(sbaubeau): collect role settings from all tht roles
+          agent_vars: <% env().get('role_merged_configs', {}).values().select($.get('skydive_agent_ansible_vars', {})).aggregate($1 + $2) %>
+          analyzer_vars: <% env().get('role_merged_configs', {}).values().select($.get('skydive_analyzer_ansible_vars', {})).aggregate($1 + $2) %>
+        on-success: build_extra_vars
+      build_extra_vars:
+        publish:
+          # NOTE(sbaubeau): merge vars from all ansible roles
+          extra_vars: <% $.agent_vars + $.analyzer_vars + $.skydive_ansible_extra_vars %>
+        on-success: skydive_install
+      skydive_install:
+        action: tripleo.ansible-playbook
+        input:
+          inventory:
+            agents:
+              hosts: <% $.agent_ips.toDict($, {}) %>
+            analyzers:
+              hosts: <% $.analyzer_ips.toDict($, {}) %>
+          playbook: <% $.skydive_ansible_playbook %>
+          remote_user: tripleo-admin
+          become: true
+          become_user: root
+          verbosity: <% $.ansible_playbook_verbosity %>
+          forks: <% $.fork_count %>
+          ssh_private_key: <% $.private_key %>
+          ssh_common_args: '-o StrictHostKeyChecking=no'
+          ssh_extra_args: '-o UserKnownHostsFile=/dev/null'
+          extra_env_variables: <% $.ansible_extra_env_variables %>
+          extra_vars: <% $.extra_vars %>
+        publish:
+          output: <% task().result %>