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AUTOMATION TEAR DOWN
ACTUAL CODE PATTERNS IN TASKS,
HAIRY VARIABLE AND STRING
MANIPULATION, AND ROLE STRUCTURES.
THIS IS NOT SHOWING OFF "PRETTY"
AUTOMATION, KEEP THE EXPERT
DISCUSSION GOING.
Keith Resar
@KeithResar
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@KeithResar
Keith Resar: Bio
Wear many hats
[email protected]
Recovering Developer
Open Source Contributor and Advocate
Cloud Automation Engineer
@KeithResar
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> ansible-playbook deploy.yml \
-e deploy_id=b
@KeithResar
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Node
Master
OpenShift K8s Cluster
Node ...
@KeithResar
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RHEV Hypervisor
Satellite
Ansible
@KeithResar
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RHEV Hypervisor
VM VM ...
Satellite
Ansible
@KeithResar
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RHEV Hypervisor
VM VM ...
Satellite
Ansible
@KeithResar
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RHEV Hypervisor
VM VM ...
Satellite
Ansible
@KeithResar
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RHEV Hypervisor
Satellite
Ansible
Node
Master
OpenShift K8s Cluster
Node ...
@KeithResar
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RHEV Hypervisor
Satellite
Ansible
Node
Master
OpenShift K8s Cluster
Node ...
DNS
@KeithResar
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Node
Master
OpenShift K8s Cluster
Node ...
@KeithResar
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No content
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deploy.yml
Pre-flight Check
Provision
Bootstrap
OpenShift Install
@KeithResar
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deploy.yml Pre-flight Check
- name: Pre-flight checks
hosts: localhost
gather_facts: no
tasks:
- fail:
msg: "Missing required parameter"
when: deploy_id is not defined
@KeithResar
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deploy.yml Provision
- hosts: localhost
tasks:
- include_role:
name: rhev_satellite_provision
vars:
instance_name: "ocp-{{ deploy_id }}-master"
instance_count: 1
instance_cpu: 2
instance_disks:
- size: 40GiB - size: 20GiB
name: root name: docker@KeithResar
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deploy.yml Provision
- hosts: localhost
tasks:
- include_role:
name: rhev_satellite_provision
vars:
instance_name: "ocp-{{ deploy_id }}-master"
instance_count: 1
instance_cpu: 2
instance_disks:
- size: 40GiB - size: 20GiB
name: root name: docker@KeithResar
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deploy.yml Provision
# rhev_satellite_provision/tasks/main.yml
- import_tasks: verify_inventory.yml
- block:
- import_tasks: satellite_provision.yml
- import_tasks: rhev_configure.yml
- import_tasks: satellite_wait_for_build.yml
- meta: refresh_inventory
when: to_build
@KeithResar
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RHEV Hypervisor
VM VM ...
Satellite
Ansible
@KeithResar
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RHEV Hypervisor
VM VM ...
Satellite
Ansible
@KeithResar
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deploy.yml Bootstrap
- hosts: "ocp-{{ deploy_id }}-*.example.com"
tags: prep
roles:
- host_prep
- ocp_prep_common
@KeithResar
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deploy.yml Bootstrap
# ocp_prep_common/tasks/main.yml
- include_tasks: yum.yml
- include_tasks: docker.yml
- include_tasks: ssh.yml
- include_tasks: hosts.yml
@KeithResar
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deploy.yml OpenShift Install
- hosts: "ocp-{{ deploy_id }}-master1.example.com"
tags: install
roles:
- ocp_install_master
@KeithResar
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deploy.yml OpenShift Install
# ocp_install_master/tasks/main.yml
- include_tasks: set_aws_cluster_hostnames.yml
- include_tasks: write_dns.yml
- include_tasks: ready_master.yml
- include_tasks: install.yml
@KeithResar
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> ansible-playbook \
-i /root/.config/openshift/hosts \
openshift/playbooks/config.yml
@KeithResar
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RESOURCES
OPENSHIFT LAB DEPLOY PLAYBOOKS
https://github.com/.../ansible-...-openshift-lab-deploy
@KeithResar
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@KeithResar
@KeithResar
THANKS!