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feat: support topology aware hints (#9165)

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* support topology aware hints

Signed-off-by: tombokombo <tombo@sysart.tech>

* add flag to enable topology and fixes

Signed-off-by: tombokombo <tombo@sysart.tech>

* update readme

Signed-off-by: tombokombo <tombo@sysart.tech>

* add e2e test

Signed-off-by: tombokombo <tombo@sysart.tech>

* isolate topology test

Signed-off-by: tombokombo <tombo@sysart.tech>

* gofmt fix

Signed-off-by: tombokombo <tombo@sysart.tech>

Signed-off-by: tombokombo <tombo@sysart.tech>
This commit is contained in:
Tomas Hulata 2023-01-16 03:46:50 +01:00 • committed by GitHub
parent ada114315e
commit 5b2a9475dc
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14 changed files with 564 additions and 18 deletions
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1
charts/ingress-nginx/README.md
View file

@ -315,6 +315,7 @@ Kubernetes: `>=1.20.0-0`
| controller.dnsPolicy | string | `"ClusterFirst"` | Optionally change this to ClusterFirstWithHostNet in case you have 'hostNetwork: true'. By default, while using host network, name resolution uses the host's DNS. If you wish nginx-controller to keep resolving names inside the k8s network, use ClusterFirstWithHostNet. |
| controller.electionID | string | `""` | Election ID to use for status update, by default it uses the controller name combined with a suffix of 'leader' |
| controller.enableMimalloc | bool | `true` | Enable mimalloc as a drop-in replacement for malloc. # ref: https://github.com/microsoft/mimalloc # |
| controller.enableTopologyAwareRouting | bool | `false` | This configuration enables Topology Aware Routing feature, used together with service annotation service.kubernetes.io/topology-aware-hints="auto" Defaults to false |
| controller.existingPsp | string | `""` | Use an existing PSP instead of creating one |
| controller.extraArgs | object | `{}` | Additional command line arguments to pass to nginx-ingress-controller E.g. to specify the default SSL certificate you can use |
| controller.extraContainers | list | `[]` | Additional containers to be added to the controller pod. See https://github.com/lemonldap-ng-controller/lemonldap-ng-controller as example. |

3
charts/ingress-nginx/templates/_params.tpl
View file

@ -51,6 +51,9 @@
{{- if .Values.controller.watchIngressWithoutClass }}
- --watch-ingress-without-class=true
{{- end }}
{{- if .Values.controller.enableTopologyAwareRouting }}
- --enable-topology-aware-routing=true
{{- end }}
{{- range $key, $value := .Values.controller.extraArgs }}
{{- /* Accept keys without values or with false as value */}}
{{- if eq ($value | quote | len) 2 }}

4
charts/ingress-nginx/values.yaml
View file

@ -77,6 +77,10 @@ controller:
# -- Process IngressClass per name (additionally as per spec.controller).
ingressClassByName: false
# -- This configuration enables Topology Aware Routing feature, used together with service annotation service.kubernetes.io/topology-aware-hints="auto"
# Defaults to false
enableTopologyAwareRouting: false
# -- This configuration defines if Ingress Controller should allow users to set
# their own *-snippet annotations, otherwise this is forbidden / dropped
# when users add those annotations.