2.2.4. Simulate Blue Green Updates¶

This demonstrates a very simple example to provide continuous updates.

1. Run this playbook to offline a pool member 10.1.20.17.

   • Type ansible-playbook playbooks/offline.yaml -e @creds.yaml --ask-vault-pass -e pool="hack11_pl" -e pmhost="10.1.20.17" -e pmport="80"

2. Verify if pool member 10.1.20.17 is forced offline

   • Select Local Traffic -> Pools -> Pool List -> hack11_pl -> Members
   

3. Run this playbook to update app on 10.1.20.17.

   • Type ansible-playbook playbooks/blue.yaml --tags 17blue

4. Run this playbook enable pool member 10.1.20.17.

   • Type ansible-playbook playbooks/enable.yaml -e @creds.yaml --ask-vault-pass -e pool="hack11_pl" -e pmhost="10.1.20.17" -e pmport="80"

5. Verify if pool member 10.1.20.17 is enabled

   • Select Local Traffic -> Pools -> Pool List -> hack11_pl -> Members

6. Run this playbook to offline a pool member 10.1.20.20.

   • Type ansible-playbook playbooks/offline.yaml -e @creds.yaml --ask-vault-pass -e pool="hack11_pl" -e pmhost="10.1.20.20" -e pmport="80"

7. Verify if pool member 10.1.20.20 is forced offline

   • Select Local Traffic -> Pools -> Pool List -> hack11_pl -> Members

8. Run this playbook to update app on 10.1.20.20.

   • Type ansible-playbook playbooks/blue.yaml --tags 20blue

9. Run this playbook enable pool member 10.1.20.20.

   • Type ansible-playbook playbooks/enable.yaml -e @creds.yaml --ask-vault-pass -e pool="hack11_pl" -e pmhost="10.1.20.20" -e pmport="80"

10. Browse to https://10.1.10.11 to test Application. Hackazon image should be blue.