feat: add log-generator chart

Signed-off-by: Mark Sagi-Kazar <[email protected]>

charts/log-generator/.helmignore

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+# 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
+*.orig
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+.vscode/
+
+ci/
+README.md.gotmpl

charts/log-generator/Chart.yaml

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+apiVersion: v2
+type: application
+name: logging-operator
+version: 0.2.0
+appVersion: 0.4.1
+kubeVersion: ">=1.16.0-0"
+description: A Helm chart for Log-generator
+keywords:
+  - logging
+home: https://kube-logging.github.io
+sources:
+  - https://github.com/kube-logging/log-generator
+  - https://github.com/kube-logging/helm-charts/tree/main/charts/log-generator
+annotations:
+  artifacthub.io/changes: |
+    - kind: changed
+      description: Moved to to location
+  artifacthub.io/images: |
+    - name: logging-operator
+    image: ghcr.io/kube-logging/log-generator:v0.4.1

charts/log-generator/README.md

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+# logging-operator
+
+![version: 0.2.0](https://img.shields.io/badge/version-0.2.0-informational?style=flat-square) ![type: application](https://img.shields.io/badge/type-application-informational?style=flat-square) ![app version: 0.4.1](https://img.shields.io/badge/app%20version-0.4.1-informational?style=flat-square) ![kube version: >=1.16.0-0](https://img.shields.io/badge/kube%20version->=1.16.0--0-informational?style=flat-square) [![artifact hub](https://img.shields.io/badge/artifact%20hub-logging--operator-informational?style=flat-square)](https://artifacthub.io/packages/helm/kube-logging/logging-operator)
+
+A Helm chart for Log-generator
+
+**Homepage:** <https://kube-logging.github.io>
+
+## TL;DR;
+
+```bash
+helm repo add kube-logging https://kube-logging.github.io/helm-charts
+helm install --generate-name --wait kube-logging/logging-operator
+```
+
+## Values
+
+| Key | Type | Default | Description |
+|-----|------|---------|-------------|
+| replicaCount | int | `1` |  |
+| image.repository | string | `"ghcr.io/kube-logging/log-generator"` |  |
+| image.tag | string | `"0.4.0"` |  |
+| image.pullPolicy | string | `"IfNotPresent"` |  |
+| imagePullSecrets | list | `[]` |  |
+| nameOverride | string | `""` |  |
+| fullnameOverride | string | `""` |  |
+| serviceAccount.create | bool | `true` |  |
+| serviceAccount.name | string | `nil` |  |
+| podSecurityContext | object | `{}` |  |
+| securityContext | object | `{}` |  |
+| app.minInterval | int | `100` |  |
+| app.maxInterval | int | `1` |  |
+| app.count | int | `0` |  |
+| app.randomise | bool | `true` |  |
+| app.eventPerSec | int | `1` |  |
+| app.bytePerSec | int | `0` |  |
+| app.golang | bool | `false` |  |
+| app.nginx | bool | `true` |  |
+| app.apache | bool | `false` |  |
+| api.addr | string | `"11000"` |  |
+| api.serviceName | string | `"log-generator-api"` |  |
+| api.basePath | string | `"/"` |  |
+| api.serviceMonitor.enabled | bool | `false` |  |
+| api.serviceMonitor.additionalLabels | object | `{}` |  |
+| api.serviceMonitor.namespace | string | `nil` |  |
+| api.serviceMonitor.interval | string | `nil` |  |
+| api.serviceMonitor.scrapeTimeout | string | `nil` |  |
+| resources | object | `{}` |  |
+| nodeSelector | object | `{}` |  |
+| tolerations | list | `[]` |  |
+| affinity | object | `{}` |  |

charts/log-generator/README.md.gotmpl

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+../../docs/templates/README.md.gotmpl

charts/log-generator/templates/_helpers.tpl

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+{{/* vim: set filetype=mustache: */}}
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "log-generator.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 "log-generator.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 "log-generator.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Common labels
+*/}}
+{{- define "log-generator.labels" -}}
+app.kubernetes.io/name: {{ include "log-generator.name" . }}
+helm.sh/chart: {{ include "log-generator.chart" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end -}}
+
+{{/*
+Create the name of the service account to use
+*/}}
+{{- define "log-generator.serviceAccountName" -}}
+{{- if .Values.serviceAccount.create -}}
+    {{ default (include "log-generator.fullname" .) .Values.serviceAccount.name }}
+{{- else -}}
+    {{ default "default" .Values.serviceAccount.name }}
+{{- end -}}
+{{- end -}}

charts/log-generator/templates/configmap.yaml

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+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ include "log-generator.fullname" . }}
+data:
+  config.toml: |-
+    [logging]
+    level = "debug"
+
+    [message]
+    # The amount of log message to emit. (default: 0)
+    count = {{ .Values.app.count }}
+
+    # Randomise log content (default: true)
+    randomise = {{ .Values.app.randomise }}
+
+    # The amount of log message to emit/s (default: 4)
+    event-per-sec = {{ .Values.app.eventPerSec }}
+
+    # The amount of bytes to emit/s (default: 0)
+    byte-per-sec = {{ .Values.app.bytePerSec }}
+
+    [api]
+    # Metrics server listen address (default: ":11000")
+    addr = ":{{ .Values.api.addr }}"
+    basePath = "{{ .Values.api.basePath }}"
+
+    [golang]
+    enabled = {{ .Values.app.golang }}
+
+    [nginx]
+    enabled = {{ .Values.app.nginx }}
+
+    [apache]
+    enabled = {{ .Values.app.apache }}
+
+

charts/log-generator/templates/deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "log-generator.fullname" . }}
+  labels:
+{{ include "log-generator.labels" . | indent 4 }}
+spec:
+  replicas: {{ .Values.replicaCount }}
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: {{ include "log-generator.name" . }}
+      app.kubernetes.io/instance: {{ .Release.Name }}
+  template:
+    metadata:
+      labels:
+        app.kubernetes.io/name: {{ include "log-generator.name" . }}
+        app.kubernetes.io/instance: {{ .Release.Name }}
+    spec:
+    {{- with .Values.imagePullSecrets }}
+      imagePullSecrets:
+        {{- toYaml . | nindent 8 }}
+    {{- end }}
+      serviceAccountName: {{ template "log-generator.serviceAccountName" . }}
+      securityContext:
+        {{- toYaml .Values.podSecurityContext | nindent 8 }}
+      containers:
+        - name: {{ .Chart.Name }}
+          securityContext:
+            {{- toYaml .Values.securityContext | nindent 12 }}
+          image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          command:
+            - /loggen
+          ports:
+            - name: api
+              containerPort: {{ .Values.api.addr }}
+              protocol: TCP
+          resources:
+            {{- toYaml .Values.resources | nindent 12 }}
+          volumeMounts:
+          - name: config
+            mountPath: /conf/config.toml
+            subPath: config.toml
+      volumes:
+      - name: config
+        configMap:
+          name: {{ include "log-generator.fullname" . }}
+      {{- with .Values.nodeSelector }}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+    {{- with .Values.affinity }}
+      affinity:
+        {{- toYaml . | nindent 8 }}
+    {{- end }}
+    {{- with .Values.tolerations }}
+      tolerations:
+        {{- toYaml . | nindent 8 }}
+    {{- end }}

charts/log-generator/templates/service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ .Values.api.serviceName }}
+  labels:
+{{ include "log-generator.labels" . | indent 4 }}
+spec:
+  type: ClusterIP
+  ports:
+    - port: {{ .Values.api.addr }}
+      targetPort: api
+      protocol: TCP
+      name: api
+  selector:
+    app.kubernetes.io/name: {{ include "log-generator.name" . }}
+    app.kubernetes.io/instance: {{ .Release.Name }}

charts/log-generator/templates/serviceaccount.yaml

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+{{- if .Values.serviceAccount.create -}}
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: {{ template "log-generator.serviceAccountName" . }}
+  labels:
+{{ include "log-generator.labels" . | indent 4 }}
+{{- end -}}

charts/log-generator/templates/servicemonitor.yaml

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+{{- if .Values.api.serviceMonitor.enabled }}
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  name: {{ include "log-generator.fullname" . }}-metrics
+  {{- if .Values.api.serviceMonitor.namespace }}
+  namespace: {{ .Values.api.serviceMonitor.namespace }}
+  {{- end }}
+  labels:
+    app.kubernetes.io/name: {{ include "log-generator.name" . }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    {{- if .Values.api.serviceMonitor.additionalLabels }}
+{{ toYaml .Values.api.serviceMonitor.additionalLabels | indent 4 }}
+    {{- end }}
+spec:
+  endpoints:
+    - port: api
+      {{- if .Values.api.serviceMonitor.interval }}
+      interval: {{ .Values.api.serviceMonitor.interval }}
+      {{- end }}
+      {{- if .Values.api.serviceMonitor.scrapeTimeout }}
+      scrapeTimeout: {{ .Values.api.serviceMonitor.scrapeTimeout }}
+      {{- end }}
+  namespaceSelector:
+    matchNames:
+      - {{ .Release.Namespace }}
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: {{ include "log-generator.name" . }}
+      app.kubernetes.io/instance: {{ .Release.Name }}
+
+{{- end }}
+