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Add possibility specifying affinity of AWX Pods. (#1139)

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* Add an option to specify affinity rules for the awx pod

In some cases, you may want to use affinity rules instead of a
 node selector so you can have more flexbility. For example if you want
to have "soft" rules i.e. run my pod on this node if possible otherwise
run it anywhere

* Rename `node_affinity` to `affinity`
* Maintain defaults and CSV
* Add fields validation

Co-authored-by: Olivier <oliverf1ca@yahoo.com>
This commit is contained in:
Stanislav Zaprudskiy
2022-12-14 16:39:41 +01:00
committed by GitHub
parent 9bf896e37c
commit 4c5bae69ef
5 changed files with 411 additions and 10 deletions
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README.md
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@@ -718,18 +718,20 @@ You can constrain the AWX pods created by the operator to run on a certain subse
the AWX pods to run only on the nodes that match all the specified key/value pairs. `tolerations` and `postgres_tolerations` allow the AWX
pods to be scheduled onto nodes with matching taints.
The ability to specify topologySpreadConstraints is also allowed through `topology_spread_constraints`
If you want to use affinity rules for your AWX pod you can use the `affinity` option.
| Name | Description | Default |
| --------------------------- | ----------------------------------- | ------- |
| postgres_image | Path of the image to pull | postgres |
| postgres_image_version | Image version to pull | 13 |
| node_selector | AWX pods' nodeSelector | '' |
| topology_spread_constraints | AWX pods' topologySpreadConstraints | '' |
| tolerations | AWX pods' tolerations | '' |
| annotations | AWX pods' annotations | '' |
| postgres_selector | Postgres pods' nodeSelector | '' |
| postgres_tolerations | Postgres pods' tolerations | '' |
| Name | Description | Default |
| --------------------------- | ----------------------------------- | ------- |
| postgres_image | Path of the image to pull | postgres |
| postgres_image_version | Image version to pull | 13 |
| node_selector | AWX pods' nodeSelector | '' |
| topology_spread_constraints | AWX pods' topologySpreadConstraints | '' |
| affinity | AWX pods' affinity rules | '' |
| tolerations | AWX pods' tolerations | '' |
| annotations | AWX pods' annotations | '' |
| postgres_selector | Postgres pods' nodeSelector | '' |
| postgres_tolerations | Postgres pods' tolerations | '' |
Example of customization could be:
@@ -762,6 +764,28 @@ spec:
operator: "Equal"
value: "AWX"
effect: "NoSchedule"
affinity:
nodeAffinity:
preferredDuringSchedulingIgnoredDuringExecution:
- weight: 1
preference:
matchExpressions:
- key: another-node-label-key
operator: In
values:
- another-node-label-value
- another-node-label-value
podAntiAffinity:
preferredDuringSchedulingIgnoredDuringExecution:
- weight: 100
podAffinityTerm:
labelSelector:
matchExpressions:
- key: security
operator: In
values:
- S2
topologyKey: topology.kubernetes.io/zone
```
#### Trusting a Custom Certificate Authority