Merge pull request #167 from maykinmedia/feature/helm-library

✨ Added helm library chart

charts/maykin-utils-lib/.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/

charts/maykin-utils-lib/Chart.yaml

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+apiVersion: v2
+name: maykin-utils-lib
+description: A Library Helm chart containing code shared between Maykin helm charts
+
+type: library
+version: 0.1.0
+

charts/maykin-utils-lib/templates/_celery-configmap.tpl

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+{{- define "maykinhelmlib.celeryEnvConfigmap" -}}
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ include "project.fullname" . }}-worker-{{ .Values.worker.label | default "celery" }}
+data: 
+  CELERY_WORKER_QUEUE: {{ .Values.worker.queueName | default "" }}
+  CELERY_WORKER_NAME: {{ .Values.worker.name | default "" }}
+{{- end -}}

charts/maykin-utils-lib/templates/_celery-liveness-configmap.tpl

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+{{- define "maykinhelmlib.celeryLivenessConfigmap" -}}
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ include "project.fullname" . }}-celery-liveness
+data: 
+  liveness-probe.sh: |
+    #!/bin/bash
+
+    # Exit immediately if a non-zero exit code is returned
+    set -e
+
+    QUEUE_NAME=${CELERY_WORKER_QUEUE:-celery}
+
+    # Check if CELERY_WORKER_NAME is set
+    if [ -z "$CELERY_WORKER_NAME" ]; then
+      # If not set
+      WORKER_NAME="${QUEUE_NAME}@${HOSTNAME}"
+    else
+      # If set and contains the '@' symbol
+      if [[ "$CELERY_WORKER_NAME" != *"@"* ]]; then
+        # If not, update CELERY_WORKER_NAME to celery@${CELERY_WORKER_NAME}
+        WORKER_NAME="celery@${CELERY_WORKER_NAME}"
+      else
+        WORKER_NAME="${CELERY_WORKER_NAME}"
+      fi
+    fi
+
+    # Use CELERY_WORKER_NAME to set the --destination flag
+    celery --workdir src --app {{ include "application.name" . }}.celery inspect --destination "$WORKER_NAME" active
+{{- end -}}

charts/maykin-utils-lib/templates/_helpers.tpl

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+{{- define "application.name" -}}
+{{- default .Values.pythonAppName }}
+{{- end }}
+
+{{- define "project.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 "project.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 }}