expose kafkaURI; add sdcore-prom-kafka chart

Change-Id: I43a7d9875dc2d9d4739c0abd745a51062940a70b
diff --git a/sdcore-prom-kafka/.helmignore b/sdcore-prom-kafka/.helmignore
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+# SPDX-FileCopyrightText: 2021 Open Networking Foundation
+#
+# SPDX-License-Identifier: Apache-2.0
+
+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
diff --git a/sdcore-prom-kafka/Chart.yaml b/sdcore-prom-kafka/Chart.yaml
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+# SPDX-FileCopyrightText: 2022-present Intel Corporation
+# SPDX-FileCopyrightText: 2020-present Open Networking Foundation <info@opennetworking.org>
+#
+# SPDX-License-Identifier: Apache-2.0
+
+apiVersion: v2
+name: sdcore-prom-kafka
+kubeVersion: ">=1.17.0"
+type: application
+version: 1.0.0
+appVersion: v2.1.0
+description: Poll Prometheus for core changes and push to Kafka
+keywords:
+  - aether
+home: https://www.opennetworking.org/aether/
+maintainers:
+  - name: Aether Ops team
+    email: support@opennetworking.org
diff --git a/sdcore-prom-kafka/README.md b/sdcore-prom-kafka/README.md
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+<!--
+SPDX-FileCopyrightText: 2022-present Intel Corporation
+SPDX-FileCopyrightText: 2021 Open Networking Foundation
+
+SPDX-License-Identifier: Apache-2.0
+-->
+
+## SD-Core Prometheus to Kafka
+
+Provides a [Helm] chart for polling from [Prometheus] and pushing to [Kafka].
+
+Note: Be sure to override the values for kafkaURI and prometheusEndpoint if they
+differ for a production deployment.
diff --git a/sdcore-prom-kafka/templates/_helpers.tpl b/sdcore-prom-kafka/templates/_helpers.tpl
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+++ b/sdcore-prom-kafka/templates/_helpers.tpl
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+{{/* vim: set filetype=mustache: */}}
+{{/*
+SPDX-FileCopyrightText: 2022-present Intel Corporation
+SPDX-FileCopyrightText: 2020-present Open Networking Foundation <info@opennetworking.org>
+SPDX-License-Identifier: Apache-2.0
+
+Expand the name of the chart.
+*/}}
+{{- define "sdcore-prom-kafka.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Create a default fully qualified app name.
+We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
+If release name contains chart name it will be used as a full name.
+*/}}
+{{- define "sdcore-prom-kafka.fullname" -}}
+{{- if .Values.fullnameOverride -}}
+{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" -}}
+{{- else -}}
+{{- $name := default .Chart.Name .Values.nameOverride -}}
+{{- if contains $name .Release.Name -}}
+{{- .Release.Name | trunc 63 | trimSuffix "-" -}}
+{{- else -}}
+{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+{{- end -}}
+{{- end -}}
+
+{{/*
+Create chart name and version as used by the chart label.
+*/}}
+{{- define "sdcore-prom-kafka.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+
+{{/*
+Common labels
+*/}}
+{{- define "sdcore-prom-kafka.labels" -}}
+helm.sh/chart: {{ include "sdcore-prom-kafka.chart" . }}
+{{ include "sdcore-prom-kafka.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end -}}
+
+{{/*
+Selector labels
+*/}}
+{{- define "sdcore-prom-kafka.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "sdcore-prom-kafka.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end -}}
diff --git a/sdcore-prom-kafka/templates/configmap.yaml b/sdcore-prom-kafka/templates/configmap.yaml
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+++ b/sdcore-prom-kafka/templates/configmap.yaml
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+# SPDX-FileCopyrightText: 2022-present Intel Corporation
+# SPDX-FileCopyrightText: 2020-present Open Networking Foundation <info@opennetworking.org>
+#
+# SPDX-License-Identifier: Apache-2.0
+
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ template "sdcore-prom-kafka.fullname" . }}-logconfig
+  labels:
+    app: {{ template "sdcore-prom-kafka.fullname" . }}
+    chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
+    release: "{{ .Release.Name }}"
+    heritage: "{{ .Release.Service }}"
+data:
+  logging.yaml: |-
+{{ toYaml .Values.logging | indent 4 }}
diff --git a/sdcore-prom-kafka/templates/deployment.yaml b/sdcore-prom-kafka/templates/deployment.yaml
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+++ b/sdcore-prom-kafka/templates/deployment.yaml
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+# SPDX-FileCopyrightText: 2022-present Intel Corporation
+# SPDX-FileCopyrightText: 2020-present Open Networking Foundation <info@opennetworking.org>
+#
+# SPDX-License-Identifier: Apache-2.0
+
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ template "sdcore-prom-kafka.fullname" . }}
+  namespace: {{ .Release.Namespace }}
+  labels:
+    name: {{ template "sdcore-prom-kafka.fullname" . }}
+spec:
+  replicas: {{ .Values.replicaCount }}
+  selector:
+    matchLabels:
+      {{- include "sdcore-prom-kafka.selectorLabels" . | nindent 6 }}
+  template:
+    metadata:
+      labels:
+        name: {{ template "sdcore-prom-kafka.fullname" . }}
+        {{- include "sdcore-prom-kafka.selectorLabels" . | nindent 8 }}
+    spec:
+    {{- with .Values.imagePullSecrets }}
+      imagePullSecrets:
+        {{- toYaml . | nindent 6 }}
+    {{- end }}
+      securityContext:
+        {{- toYaml .Values.podSecurityContext | nindent 8 }}
+      containers:
+        - name: {{ .Chart.Name }}
+          image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          env:
+            - name: POD_NAMESPACE
+              valueFrom:
+                fieldRef:
+                  fieldPath: metadata.namespace
+            - name: POD_NAME
+              valueFrom:
+                fieldRef:
+                  fieldPath: metadata.name
+            - name: NODE_NAME
+              valueFrom:
+                fieldRef:
+                  fieldPath: spec.nodeName
+          args:
+            - "/usr/local/bin/sdcore-kafka"
+            {{ if .Values.kafkaURI }}
+            - "-kafka_uri={{ .Values.kafkaURI }}"
+            {{ end }}
+            {{ if .Values.prometheusEndpoint }}
+            - "-endpoint={{ .Values.prometheusEndpoint }}"
+            {{ end }}
+          volumeMounts:
+            - name: logconfig
+              mountPath: /etc/onos/config
+              readOnly: true
+      volumes:
+        - name: logconfig
+          configMap:
+            name: {{ template "sdcore-prom-kafka.fullname" . }}-logconfig
+
diff --git a/sdcore-prom-kafka/values.yaml b/sdcore-prom-kafka/values.yaml
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+++ b/sdcore-prom-kafka/values.yaml
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+# SPDX-FileCopyrightText: 2022-present Intel Corporation
+# SPDX-FileCopyrightText: 2020-present Open Networking Foundation <info@opennetworking.org>
+#
+# SPDX-License-Identifier: Apache-2.0
+
+nameOverride: ""
+fullnameOverride: ""
+
+replicaCount: 1
+annotations: {}
+
+image:
+  repository: onosproject/sdcore-adapter
+  tag: v0.4.4
+  pullPolicy: IfNotPresent
+  pullSecrets: []
+
+resources:
+  requests:
+    cpu: 0.5
+    memory: 512Mi
+
+service:
+  type: ClusterIP
+
+kafkaURI: "kafka-0.kafka-headless:9092"
+prometheusEndpoint: "http://aether-roc-umbrella-prometheus-acc-server:80"
+
+nodeSelector: {}
+
+tolerations: []
+
+affinity: {}
+
+logging:
+  loggers:
+    root:
+      level: info
+      output:
+        stdout:
+          sink: stdout
+  sinks:
+    stdout:
+      type: stdout
+      stdout: {}