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configure-ansible-tower.md

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Configure Ansible tower on OpenShift

Requirements

  • OpenShift Deployment
  • oc cli

Collect Red Hat Subscription Manifest

Automated Steps

ssh into bastion host

download script

curl -OL https://raw.githubusercontent.com/tosin2013/openshift-4-deployment-notes/master/post-steps/configure-ansible-tower.sh
chmod +x configure-ansible-tower.sh

run script

# ./configure-tower.sh 
./configure-tower.sh [OPTION]
 Options:
  -d      Openshift API URL
  -n      Openshift Username
  -p      Openshift Password
  -h      Display this help and exit
  -u      Uninstall tower 
  To deploy ansible tower to OpenShift
  ./configure-tower.sh  -d https://api.ocp4.example.com:6443 -n admin -p 123456789 
  To delete ansible tower from OpenShift
  ./configure-tower.sh  -d https://api.ocp4.example.com:6443 -n admin -p 123456789 -u true

Manual Steps

ssh into bastion host

Download ansible-tower-openshift-setup-latest.tar.gz

$ curl -OL https://releases.ansible.com/ansible-tower/setup_openshift/ansible-tower-openshift-setup-latest.tar.gz

Untar the contents of the Setup Script

tar -xzf ansible-tower-openshift-setup-latest.tar.gz

Modify the openshift_auth.yml file on line -name: Authenticate with OpenShift via user and password

Change to

--insecure-skip-tls-verify={{ openshift_skip_tls_verify | default(true) |   bool }}

login to OpenShift cluster

oc login https://api.ocp4.example.com:6443 -u=admin  -p=p@ssw@rD

Create PersistentVolumeClaim for tower

$ cat >postgres-nfs-pvc.yml<<EOF
 kind: PersistentVolumeClaim
 apiVersion: v1
 metadata:
  name: postgresql
 spec:
  accessModes:
   - ReadWriteOnce
  resources:
   requests:
    storage: 20Gi
EOF 
$ oc create -f postgres-nfs-pvc.yml

Run setup

./setup_openshift.sh -e openshift_host=https://YOUR-OCP-CLUSTER-API-API-URL -e openshift_project=tower -e openshift_user=YOUR-OCP-ADMIN-USERNAME -e openshift_password=YOUR-OCP-PASSWORD -e admin_password=r3dh4t1! -e secret_key=mysecret -e pg_username=admin -e pg_password=r3dh4t1! -e rabbitmq_password=r3dh4t1! -e rabbitmq_erlang_cookie=rabbiterlangpwd -e openshift_pg_pvc_name=postgresql

Import license