feat: add additional containers to flagger deployment

Signed-off-by: kkkdeon <gad03149@naver.com>

Author: kkkdeon

charts/flagger/README.md

@@ -197,6 +197,8 @@ The following tables lists the configurable parameters of the Flagger chart and
 | `namespace`                          | When specified, Flagger will restrict itself to watching Canary objects from that namespace                                                        | `""`                                  |
 | `deploymentLabels`                   | Labels to add to Flagger deployment                                                                                                                | `{}`                                  |
 | `podLabels`                          | Labels to add to pods of Flagger deployment                                                                                                        | `{}`                                  |
+| `additionalContainers`               | List of additional containers to add to Flagger deployment                                                         | `[]`                                  |
+
 
 Specify each parameter using the `--set key=value[,key=value]` argument to `helm upgrade`. For example,
 

charts/flagger/templates/deployment.yaml

@@ -179,6 +179,9 @@ spec:
           {{- end }}
           resources:
 {{ toYaml .Values.resources | indent 12 }}
+        {{- if .Values.additionalContainers }}
+        {{- toYaml .Values.additionalContainers | nindent 8 }}
+        {{- end }}
     {{- with .Values.nodeSelector }}
       nodeSelector:
 {{ toYaml . | indent 8 }}

charts/flagger/values.yaml

@@ -152,6 +152,8 @@ resources:
     memory: "32Mi"
     cpu: "10m"
 
+additionalContainers: []
+
 nodeSelector: {}
 
 tolerations: []