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feat(dso-console): add new strangler service
It is a NGINX-based strangler service that has everything needed to route requests through either `server` (the current backend) to `backend` (the new one)
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‎charts/dso-console/README.md‎

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@@ -333,6 +333,59 @@ A Helm chart to deploy Cloud Pi Native Console
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| server.startupProbe.timeoutSeconds | int | `5` | Number of seconds after which the probe times out. |
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| server.strategy.type | string | `"RollingUpdate"` | Strategy type used to replace old Pods by new ones, can be "Recreate" or "RollingUpdate". |
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| server.tolerations | list | `[]` | Default tolerations for Console CPN backend. |
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| strangler.affinity | object | `{}` | Default affinity for Console CPN strangler. |
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| strangler.autoscaling.enabled | bool | `false` | Enable Horizontal Pod Autoscaler ([HPA]) for the Console CPN strangler. |
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| strangler.autoscaling.maxReplicas | int | `3` | Maximum number of replicas for the Console CPN strangler [HPA]. |
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| strangler.autoscaling.minReplicas | int | `1` | Minimum number of replicas for the Console CPN strangler [HPA]. |
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| strangler.autoscaling.targetCPUUtilizationPercentage | int | `80` | Average CPU utilization percentage for the Console CPN strangler [HPA]. |
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| strangler.autoscaling.targetMemoryUtilizationPercentage | int | `80` | Average memory utilization percentage for the Console CPN strangler [HPA]. |
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| strangler.container.args | list | `[]` | Console CPN strangler container command args. |
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| strangler.container.command | list | `[]` | Console CPN strangler container command. |
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| strangler.container.port | int | `8080` | Console CPN strangler container port. |
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| strangler.container.securityContext | object | `{}` | Toggle and define container-level security context. |
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| strangler.env | object | `{}` | Console CPN strangler container env variables, it will be injected into a configmap and loaded into the container. |
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| strangler.envFrom | list | `[]` | Console CPN strangler container env variables loaded from configmap or secret reference. |
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| strangler.extraContainers | list | `[]` | Extra containers to add to the Console CPN strangler pod as sidecars. |
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| strangler.extraVolumeMounts | list | `[]` | List of extra mounts to add (normally used with extraVolumes). |
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| strangler.extraVolumes | list | `[]` | List of extra volumes to add. |
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| strangler.healthcheckPath | string | `"/"` | Console CPN strangler container healthcheck endpoint. |
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| strangler.hostAliases | list | `[]` | Host aliases that will be injected at pod-level into /etc/hosts. |
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| strangler.image.pullPolicy | string | `"Always"` | Image pull policy for the Console CPN strangler. |
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| strangler.image.repository | string | `"ghcr.io/cloud-pi-native/console/strangler"` | Repository to use for the Console CPN strangler. |
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| strangler.image.tag | string | `""` | Tag to use for the Console CPN strangler. # Overrides the image tag whose default is the chart appVersion. |
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| strangler.initContainers | list | `[]` | Init containers to add to the Console CPN strangler pod. |
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| strangler.livenessProbe.enabled | bool | `true` | Whether or not enable the probe. |
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| strangler.livenessProbe.failureThreshold | int | `3` | Minimum consecutive failures for the probe to be considered failed after having succeeded. |
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| strangler.livenessProbe.initialDelaySeconds | int | `30` | Number of seconds after the container has started before probe is initiated. |
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| strangler.livenessProbe.periodSeconds | int | `30` | How often (in seconds) to perform the probe. |
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| strangler.livenessProbe.successThreshold | int | `1` | Minimum consecutive successes for the probe to be considered successful after having failed. |
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| strangler.livenessProbe.timeoutSeconds | int | `5` | Number of seconds after which the probe times out |
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| strangler.nodeSelector | object | `{}` | Default node selector for Console CPN strangler. |
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| strangler.podAnnotations | object | `{}` | Annotations for the Console CPN strangler deployed pods. |
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| strangler.podLabels | object | `{}` | Labels for the Console CPN strangler deployed pods. |
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| strangler.podSecurityContext | object | `{}` | Toggle and define pod-level security context. |
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| strangler.readinessProbe.enabled | bool | `true` | Whether or not enable the probe. |
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| strangler.readinessProbe.failureThreshold | int | `2` | Minimum consecutive failures for the probe to be considered failed after having succeeded. |
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| strangler.readinessProbe.initialDelaySeconds | int | `15` | Number of seconds after the container has started before probe is initiated. |
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| strangler.readinessProbe.periodSeconds | int | `10` | How often (in seconds) to perform the probe. |
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| strangler.readinessProbe.successThreshold | int | `2` | Minimum consecutive successes for the probe to be considered successful after having failed. |
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| strangler.readinessProbe.timeoutSeconds | int | `5` | Number of seconds after which the probe times out. |
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| strangler.replicaCount | int | `1` | The number of application controller pods to run. |
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| strangler.resources.limits.cpu | string | `"500m"` | CPU limit for the Console CPN strangler. |
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| strangler.resources.limits.memory | string | `"512Mi"` | Memory limit for the Console CPN strangler. |
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| strangler.resources.requests.cpu | string | `"250m"` | CPU request for the Console CPN strangler. |
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| strangler.resources.requests.memory | string | `"128Mi"` | Memory request for the Console CPN strangler. |
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| strangler.secrets | object | `{}` | Console CPN strangler container env secrets, it will be injected into a secret and loaded into the container. |
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| strangler.service.port | int | `80` | Console CPN strangler service port. |
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| strangler.service.type | string | `"ClusterIP"` | Console CPN strangler service type. |
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| strangler.startupProbe.enabled | bool | `true` | Whether or not enable the probe. |
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| strangler.startupProbe.failureThreshold | int | `10` | Minimum consecutive failures for the probe to be considered failed after having succeeded. |
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| strangler.startupProbe.initialDelaySeconds | int | `0` | Number of seconds after the container has started before probe is initiated. |
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| strangler.startupProbe.periodSeconds | int | `10` | How often (in seconds) to perform the probe. |
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| strangler.startupProbe.successThreshold | int | `1` | Minimum consecutive successes for the probe to be considered successful after having failed. |
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| strangler.startupProbe.timeoutSeconds | int | `5` | Number of seconds after which the probe times out. |
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| strangler.strategy.type | string | `"RollingUpdate"` | Strategy type used to replace old Pods by new ones, can be "Recreate" or "RollingUpdate". |
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| strangler.tolerations | list | `[]` | Default tolerations for Console CPN strangler. |
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----------------------------------------------
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Autogenerated from chart metadata using [helm-docs v1.14.2](https://github.com/norwoodj/helm-docs/releases/v1.14.2)

‎charts/dso-console/templates/_helpers.tpl‎

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@@ -127,6 +127,10 @@ app.kubernetes.io/managed-by: {{ .Release.Service }}
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{{ include "cpnConsole.server.selectorLabels" . }}
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{{- end }}
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{{- define "cpnConsole.strangler.labels" -}}
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{{ include "cpnConsole.common.labels" . }}
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{{ include "cpnConsole.strangler.selectorLabels" . }}
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{{- end }}
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{{- define "cpnConsole.backend.labels" -}}
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{{ include "cpnConsole.common.labels" . }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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{{- end }}
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{{- define "cpnConsole.strangler.selectorLabels" -}}
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app.kubernetes.io/name: {{ include "cpnConsole.name" . }}-strangler
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app.kubernetes.io/instance: {{ .Release.Name }}
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{{- end }}
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{{- define "cpnConsole.server.selectorLabels" -}}
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app.kubernetes.io/name: {{ include "cpnConsole.name" . }}-server
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app.kubernetes.io/instance: {{ .Release.Name }}

‎charts/dso-console/templates/ingress.yaml‎

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{{- if .Values.ingress.enabled -}}
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{{- $fullName := include "cpnConsole.fullname" . -}}
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{{- $svcPortClient := .Values.client.service.port -}}
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{{- $svcPortStrangler := .Values.strangler.service.port -}}
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{{- $svcPortServer := .Values.server.service.port -}}
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apiVersion: networking.k8s.io/v1
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kind: Ingress
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pathType: Prefix
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backend:
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service:
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name: {{ $fullName }}-server
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name: {{ $fullName }}-strangler
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port:
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number: {{ $svcPortServer }}
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number: {{ $svcPortStrangler }}
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- path: /swagger-ui
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pathType: Prefix
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backend:

‎charts/dso-console/templates/strangler/configmap.yaml‎

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kind: ConfigMap
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apiVersion: v1
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metadata:
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name: {{ include "cpnConsole.fullname" . }}-strangler
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labels: {{- include "cpnConsole.strangler.labels" . | nindent 4 }}
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data:
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LEGACY_UPSTREAM: {{ include "cpnConsole.fullname" . }}-server:{{ .Values.server.service.port }}
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NESTJS_UPSTREAM: {{ include "cpnConsole.fullname" . }}-backend:{{ .Values.backend.service.port }}
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{{- if .Values.global.env -}}
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{{- include "cpnConsole.env" .Values.global | indent 2 }}
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{{- end -}}
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{{- if .Values.strangler.env -}}
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{{- include "cpnConsole.env" .Values.strangler | indent 2 }}
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{{- end -}}

‎charts/dso-console/templates/strangler/deployment.yaml‎

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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: {{ include "cpnConsole.fullname" . }}-strangler
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labels:
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{{- include "cpnConsole.strangler.labels" . | nindent 4 }}
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spec:
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{{- if not .Values.strangler.autoscaling.enabled }}
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replicas: {{ .Values.strangler.replicaCount }}
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{{- end }}
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selector:
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matchLabels:
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{{- include "cpnConsole.strangler.selectorLabels" . | nindent 6 }}
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strategy:
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type: {{ .Values.strangler.strategy.type }}
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template:
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metadata:
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annotations:
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{{- include "checksum" (list $ "/strangler/configmap.yaml") | nindent 8 }}
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{{- include "checksum" (list $ "/strangler/secret.yaml") | nindent 8 }}
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{{- with .Values.strangler.podAnnotations }}
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{{- toYaml . | nindent 8 }}
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{{- end }}
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labels:
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{{- include "cpnConsole.strangler.selectorLabels" . | nindent 8 }}
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{{- with .Values.strangler.podLabels }}
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{{- toYaml . | nindent 8 }}
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{{- end }}
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spec:
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{{- if and .Values.imageCredentials.username .Values.imageCredentials.password }}
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imagePullSecrets:
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- name: {{ include "cpnConsole.name" . }}-pullsecret
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{{- end }}
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securityContext:
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{{- toYaml .Values.strangler.podSecurityContext | nindent 8 }}
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{{- if .Values.strangler.initContainers }}
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initContainers:
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{{- tpl (toYaml .Values.strangler.initContainers) . | nindent 8 }}
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{{- end }}
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containers:
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- name: strangler
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securityContext:
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{{- toYaml .Values.strangler.container.securityContext | nindent 12 }}
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image: "{{ .Values.strangler.image.repository }}:{{ .Values.strangler.image.tag | default .Chart.AppVersion }}"
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imagePullPolicy: {{ .Values.strangler.image.pullPolicy }}
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{{- if .Values.strangler.container.command }}
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command:
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{{- range .Values.strangler.container.command }}
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- {{ . | quote }}
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{{- end }}
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{{- end }}
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{{- if .Values.strangler.container.args }}
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args:
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{{- range .Values.strangler.container.args }}
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- {{ . | quote }}
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{{- end }}
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{{- end }}
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ports:
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- containerPort: {{ .Values.strangler.container.port }}
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protocol: TCP
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envFrom:
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- configMapRef:
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name: {{ include "cpnConsole.fullname" . }}-strangler
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{{- if or .Values.global.secrets .Values.strangler.secrets }}
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- secretRef:
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name: {{ include "cpnConsole.fullname" . }}-strangler
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{{- end }}
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{{- if .Values.strangler.envFrom }}
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{{- toYaml .Values.strangler.envFrom | nindent 8 }}
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{{- end }}
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{{- if .Values.strangler.startupProbe.enabled }}
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startupProbe:
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httpGet:
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path: {{ .Values.strangler.healthcheckPath }}
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port: {{ .Values.strangler.container.port }}
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initialDelaySeconds: {{ .Values.strangler.startupProbe.initialDelaySeconds }}
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successThreshold: {{ .Values.strangler.startupProbe.successThreshold }}
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failureThreshold: {{ .Values.strangler.startupProbe.failureThreshold }}
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periodSeconds: {{ .Values.strangler.startupProbe.periodSeconds }}
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timeoutSeconds: {{ .Values.strangler.startupProbe.timeoutSeconds }}
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{{- end }}
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{{- if .Values.strangler.readinessProbe.enabled }}
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readinessProbe:
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httpGet:
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path: {{ .Values.strangler.healthcheckPath }}
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port: {{ .Values.strangler.container.port }}
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initialDelaySeconds: {{ .Values.strangler.readinessProbe.initialDelaySeconds }}
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successThreshold: {{ .Values.strangler.readinessProbe.successThreshold }}
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failureThreshold: {{ .Values.strangler.readinessProbe.failureThreshold }}
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periodSeconds: {{ .Values.strangler.readinessProbe.periodSeconds }}
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timeoutSeconds: {{ .Values.strangler.readinessProbe.timeoutSeconds }}
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{{- end }}
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{{- if .Values.strangler.livenessProbe.enabled }}
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livenessProbe:
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httpGet:
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path: {{ .Values.strangler.healthcheckPath }}
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port: {{ .Values.strangler.container.port }}
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initialDelaySeconds: {{ .Values.strangler.livenessProbe.initialDelaySeconds }}
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successThreshold: {{ .Values.strangler.livenessProbe.successThreshold }}
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failureThreshold: {{ .Values.strangler.livenessProbe.failureThreshold }}
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periodSeconds: {{ .Values.strangler.livenessProbe.periodSeconds }}
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timeoutSeconds: {{ .Values.strangler.livenessProbe.timeoutSeconds }}
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{{- end }}
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{{- if .Values.strangler.hostAliases }}
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hostAliases:
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{{- toYaml .Values.strangler.hostAliases | nindent 8 }}
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{{- end }}
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resources:
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{{- toYaml .Values.strangler.resources | nindent 10 }}
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volumeMounts:
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{{- range $volumeMount := .Values.strangler.extraVolumeMounts }}
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- name: {{ $volumeMount.name }}
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mountPath: {{ $volumeMount.mountPath }}
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{{- end }}
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{{- if .Values.strangler.extraContainers }}
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{{- tpl (toYaml .Values.strangler.extraContainers) . | nindent 8 }}
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{{- end }}
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{{- with .Values.strangler.nodeSelector }}
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nodeSelector:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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{{- with .Values.strangler.affinity }}
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affinity:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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{{- with .Values.strangler.tolerations }}
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tolerations:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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volumes:
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{{- range $volume := .Values.strangler.extraVolumes }}
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- name: {{ $volume.name }}
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{{- if eq $volume.type "hostPath" }}
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hostPath:
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path: {{ $volume.path }}
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{{- end }}
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{{- if eq $volume.type "configMap" }}
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configMap:
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name: {{ $volume.name }}
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{{- end }}
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{{- end }}

‎charts/dso-console/templates/strangler/hpa.yaml‎

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{{- if .Values.strangler.autoscaling.enabled }}
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apiVersion: autoscaling/v2
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kind: HorizontalPodAutoscaler
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metadata:
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name: {{ include "cpnConsole.fullname" . }}-strangler
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labels:
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{{- include "cpnConsole.strangler.labels" . | nindent 4 }}
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spec:
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scaleTargetRef:
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apiVersion: apps/v1
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kind: Deployment
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name: {{ include "cpnConsole.fullname" . }}-strangler
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minReplicas: {{ .Values.strangler.autoscaling.minReplicas }}
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maxReplicas: {{ .Values.strangler.autoscaling.maxReplicas }}
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metrics:
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{{- if .Values.strangler.autoscaling.targetCPUUtilizationPercentage }}
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- type: Resource
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resource:
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name: cpu
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target:
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type: Utilization
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averageUtilization: {{ .Values.strangler.autoscaling.targetCPUUtilizationPercentage }}
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{{- end }}
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{{- if .Values.strangler.autoscaling.targetMemoryUtilizationPercentage }}
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- type: Resource
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resource:
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name: memory
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target:
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type: Utilization
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averageUtilization: {{ .Values.strangler.autoscaling.targetMemoryUtilizationPercentage }}
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{{- end }}
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{{- end }}

‎charts/dso-console/templates/strangler/secret.yaml‎

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{{- if or .Values.global.secrets .Values.strangler.secrets }}
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kind: Secret
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apiVersion: v1
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metadata:
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name: {{ include "cpnConsole.fullname" . }}-strangler
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labels: {{- include "cpnConsole.strangler.labels" . | nindent 4 }}
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data:
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{{- if .Values.global.secrets -}}
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{{- include "cpnConsole.secret" .Values.global | indent 2 }}
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{{- end -}}
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{{- if .Values.strangler.secrets -}}
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{{- include "cpnConsole.secret" .Values.strangler | indent 2 }}
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{{- end -}}
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{{- end -}}

‎charts/dso-console/templates/strangler/service.yaml‎

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apiVersion: v1
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kind: Service
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metadata:
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name: {{ include "cpnConsole.fullname" . }}-strangler
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labels:
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{{- include "cpnConsole.strangler.labels" . | nindent 4 }}
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spec:
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type: {{ .Values.strangler.service.type }}
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ports:
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- port: {{ .Values.strangler.service.port }}
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targetPort: {{ .Values.strangler.container.port }}
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protocol: TCP
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selector:
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{{- include "cpnConsole.strangler.selectorLabels" . | nindent 4 }}

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