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add: add examples for dns and env for container group

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kurokobo 2022-07-06 02:04:32 +09:00
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containergroup/README.md
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@ -10,6 +10,8 @@ In this example, we make the Execution Environment to work with the Pod with fol
- Have `requests` and `limits` for CPU and Memory resources
- Mount PVC as `/etc/demo`
- Run on the node with the label `awx-node-type: demo` using `nodeSelector`
- Have custom environment variable `MY_CUSTOM_ENV`
- Use custom DNS server `192.168.0.100` in addition to the default DNS servers
<!-- omit in toc -->
## Table of Contents
@ -73,9 +75,9 @@ Note that this is a little tricky but super useful way to duplicate resource bet
### Create Container Group
You can create new Container Group by `Administration` > `Instance Group`.
You can create new Container Group by `Administration` > `Instance Group` > `Add`.
Chake `Customize pod specification` and define specification as following.
Enable `Customize pod specification` and define specification as following.
```yaml
apiVersion: v1
@ -85,6 +87,8 @@ metadata:
labels:
app: ee-demo-pod
spec:
serviceAccountName: default
automountServiceAccountToken: false
containers:
- image: 'quay.io/ansible/awx-ee:latest'
name: worker
@ -92,6 +96,9 @@ spec:
- ansible-runner
- worker
- '--private-data-dir=/runner'
env:
- name: MY_CUSTOM_ENV
value: 'This is my custom environment variable'
resources:
requests:
cpu: 500m
@ -104,6 +111,9 @@ spec:
mountPath: /etc/demo
nodeSelector:
awx-node-type: demo
dnsConfig:
nameservers:
- 192.168.0.100
volumes:
- name: demo-volume
persistentVolumeClaim:
@ -117,12 +127,14 @@ This is the customized manifest to achieve;
- Having `requests` and `limits` for CPU and Memory resources
- Mounting PVC as `/etc/demo`
- Running on the node with the label `awx-node-type: demo` using `nodeSelector`
- Having custom environment variable `MY_CUSTOM_ENV`
- Using custom DNS server `192.168.0.100` in addition to the default DNS servers
You can also change `image`, but it will be overridden by specifying Execution Environment for the Job Template, Project Default, or Global Default.
## Quick Testing
The use of Container Group can be specified in the Job Template. After specifying and running the Job, you can see the result as follows.
The Container Group that to be used can be specified as `Instance Groups` in the Job Template. After specifying and running the Job, you can see the result as follows.
The Pod for the Job is running in `ee-demo` namespace.
@ -146,6 +158,9 @@ metadata:
spec:
containers:
...
env:
- name: MY_CUSTOM_ENV
value: This is my custom environment variable
image: registry.example.com/ansible/ee:2.12-custom
...
resources:
@ -160,6 +175,9 @@ spec:
- mountPath: /etc/demo
name: demo-volume
...
dnsConfig:
nameservers:
- 192.168.0.100
nodeSelector:
awx-node-type: demo
...