From df2bd058309ac234eebdad3b0682a137e27dfc44 Mon Sep 17 00:00:00 2001 From: Saumit Date: Sat, 4 Oct 2025 01:36:57 +0530 Subject: Add tested Helm chart and configuration files for OpenTelemetry demo services --- astroshop-helm/kafka/templates/_helpers.tpl | 62 ++++++++++++++++++ astroshop-helm/kafka/templates/deployment.yaml | 87 ++++++++++++++++++++++++++ astroshop-helm/kafka/templates/service.yaml | 16 +++++ 3 files changed, 165 insertions(+) create mode 100644 astroshop-helm/kafka/templates/_helpers.tpl create mode 100644 astroshop-helm/kafka/templates/deployment.yaml create mode 100644 astroshop-helm/kafka/templates/service.yaml (limited to 'astroshop-helm/kafka/templates') diff --git a/astroshop-helm/kafka/templates/_helpers.tpl b/astroshop-helm/kafka/templates/_helpers.tpl new file mode 100644 index 0000000..fb7c47d --- /dev/null +++ b/astroshop-helm/kafka/templates/_helpers.tpl @@ -0,0 +1,62 @@ +{{/* +Expand the name of the chart. +*/}} +{{- define "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 "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 "kafka.chart" -}} +{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }} +{{- end }} + +{{/* +Common labels +*/}} +{{- define "kafka.labels" -}} +helm.sh/chart: {{ include "kafka.chart" . }} +{{ include "kafka.selectorLabels" . }} +{{- if .Chart.AppVersion }} +app.kubernetes.io/version: {{ .Chart.AppVersion | quote }} +{{- end }} +app.kubernetes.io/managed-by: {{ .Release.Service }} +{{- end }} + +{{/* +Selector labels +*/}} +{{- define "kafka.selectorLabels" -}} +app.kubernetes.io/name: {{ include "kafka.name" . }} +app.kubernetes.io/instance: {{ .Release.Name }} +{{- end }} + +{{/* +Create the name of the service account to use +*/}} +{{- define "kafka.serviceAccountName" -}} +{{- if .Values.serviceAccount.create }} +{{- default (include "kafka.fullname" .) .Values.serviceAccount.name }} +{{- else }} +{{- default "default" .Values.serviceAccount.name }} +{{- end }} +{{- end }} diff --git a/astroshop-helm/kafka/templates/deployment.yaml b/astroshop-helm/kafka/templates/deployment.yaml new file mode 100644 index 0000000..8275b42 --- /dev/null +++ b/astroshop-helm/kafka/templates/deployment.yaml @@ -0,0 +1,87 @@ +apiVersion: apps/v1 +kind: Deployment +metadata: + namespace: {{ .Values.namespace }} + name: {{ include "kafka.fullname" . }} + labels: + app.kubernetes.io/component: kafka + app.kubernetes.io/part-of: opentelemetry-demo + opentelemetry.io/name: {{ .Values.namespace }}-{{ include "kafka.fullname" . }} + {{- include "kafka.labels" . | nindent 4 }} +spec: + replicas: {{ .Values.opentelemetryDemoKafka.replicas }} + revisionHistoryLimit: {{ .Values.opentelemetryDemoKafka.revisionHistoryLimit }} + selector: + matchLabels: + opentelemetry.io/name: {{ .Values.namespace }}-{{ include "kafka.fullname" . }} + {{- include "kafka.selectorLabels" . | nindent 6 }} + template: + metadata: + labels: + app.kubernetes.io/component: kafka + app.kubernetes.io/instance: opentelemetry-demo + app.kubernetes.io/name: {{ .Values.namespace }}-{{ include "kafka.fullname" . }} + opentelemetry.io/name: {{ .Values.namespace }}-{{ include "kafka.fullname" . }} + {{- include "kafka.selectorLabels" . | nindent 8 }} + spec: + containers: + - env: + - name: OTEL_SERVICE_NAME + valueFrom: + fieldRef: + apiVersion: v1 + fieldPath: metadata.labels['app.kubernetes.io/component'] + - name: OTEL_COLLECTOR_NAME + value: {{ quote .Values.opentelemetryDemoKafka.kafka.env.otelCollectorName }} + - name: OTEL_EXPORTER_OTLP_METRICS_TEMPORALITY_PREFERENCE + value: {{ quote .Values.opentelemetryDemoKafka.kafka.env.otelExporterOtlpMetricsTemporalityPreference }} + - name: KAFKA_ADVERTISED_LISTENERS + value: {{ quote .Values.opentelemetryDemoKafka.kafka.env.kafkaAdvertisedListeners }} + - name: OTEL_EXPORTER_OTLP_ENDPOINT + value: {{ quote .Values.opentelemetryDemoKafka.kafka.env.otelExporterOtlpEndpoint }} + - name: KAFKA_HEAP_OPTS + value: {{ quote .Values.opentelemetryDemoKafka.kafka.env.kafkaHeapOpts }} + - name: OTEL_RESOURCE_ATTRIBUTES + value: {{ quote .Values.opentelemetryDemoKafka.kafka.env.otelResourceAttributes }} + - name: KUBERNETES_CLUSTER_DOMAIN + value: {{ quote .Values.kubernetesClusterDomain }} + + # KRaft mode environment variables + - name: KAFKA_PROCESS_ROLES + value: {{ quote .Values.opentelemetryDemoKafka.kafka.env.processRoles }} + - name: KAFKA_NODE_ID + value: {{ quote .Values.opentelemetryDemoKafka.kafka.env.nodeId }} + - name: KAFKA_CONTROLLER_QUORUM_VOTERS + value: {{ quote .Values.opentelemetryDemoKafka.kafka.env.controllerQuorumVoters }} + - name: KAFKA_CONTROLLER_LISTENER_NAMES + value: {{ quote .Values.opentelemetryDemoKafka.kafka.env.controllerListenerNames }} + - name: KAFKA_LISTENER_SECURITY_PROTOCOL_MAP + value: {{ quote .Values.opentelemetryDemoKafka.kafka.env.listenerSecurityProtocolMap }} + - name: KAFKA_LISTENERS + value: {{ quote .Values.opentelemetryDemoKafka.kafka.env.listeners }} + - name: KAFKA_INTER_BROKER_LISTENER_NAME + value: {{ quote .Values.opentelemetryDemoKafka.kafka.env.interBrokerListenerName }} + - name: KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR + value: {{ quote .Values.opentelemetryDemoKafka.kafka.env.offsetsTopicReplicationFactor }} + - name: KAFKA_TRANSACTION_STATE_LOG_REPLICATION_FACTOR + value: {{ quote .Values.opentelemetryDemoKafka.kafka.env.transactionStateLogReplicationFactor }} + - name: KAFKA_TRANSACTION_STATE_LOG_MIN_ISR + value: {{ quote .Values.opentelemetryDemoKafka.kafka.env.transactionStateLogMinIsr }} + - name: KAFKA_GROUP_INITIAL_REBALANCE_DELAY_MS + value: {{ quote .Values.opentelemetryDemoKafka.kafka.env.groupInitialRebalanceDelayMs }} + - name: KAFKA_LOG_DIRS + value: {{ quote .Values.opentelemetryDemoKafka.kafka.env.logDirs }} + - name: CLUSTER_ID + value: {{ quote .Values.opentelemetryDemoKafka.kafka.env.clusterId }} + + image: {{ .Values.opentelemetryDemoKafka.kafka.image.repository }}:{{ .Values.opentelemetryDemoKafka.kafka.image.tag | default .Chart.AppVersion }} + imagePullPolicy: {{ .Values.opentelemetryDemoKafka.kafka.imagePullPolicy }} + name: kafka + ports: + - containerPort: 9092 + name: plaintext + - containerPort: 9093 + name: controller + resources: {{- toYaml .Values.opentelemetryDemoKafka.kafka.resources | nindent 10 }} + securityContext: {{- toYaml .Values.opentelemetryDemoKafka.kafka.containerSecurityContext | nindent 10 }} + serviceAccountName: {{ .Values.serviceAccount.name }} \ No newline at end of file diff --git a/astroshop-helm/kafka/templates/service.yaml b/astroshop-helm/kafka/templates/service.yaml new file mode 100644 index 0000000..c580713 --- /dev/null +++ b/astroshop-helm/kafka/templates/service.yaml @@ -0,0 +1,16 @@ +apiVersion: v1 +kind: Service +metadata: + name: {{ .Values.namespace }}-{{ include "kafka.fullname" . }} + labels: + app.kubernetes.io/component: kafka + app.kubernetes.io/part-of: opentelemetry-demo + opentelemetry.io/name: {{ .Values.namespace }}-{{ include "kafka.fullname" . }} + {{- include "kafka.labels" . | nindent 4 }} +spec: + type: {{ .Values.opentelemetryDemoKafka.type }} + selector: + opentelemetry.io/name: {{ .Values.namespace }}-{{ include "kafka.fullname" . }} + {{- include "kafka.selectorLabels" . | nindent 4 }} + ports: + {{- .Values.opentelemetryDemoKafka.ports | toYaml | nindent 2 }} -- cgit v1.2.3