Merge pull request #265 from dysnix/gcp-local-nvme-raid

Gcp local nvme raid chart

dysnix/gcp-local-nvme-raid/.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/

dysnix/gcp-local-nvme-raid/Chart.yaml

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+apiVersion: v2
+name: gcp-local-nvme-raid
+description: Deamon installation which create raid with local nvme disk in gke node
+
+type: application
+
+version: 0.1.0
+
+appVersion: "1.16.0"
+
+keywords:
+  - gke
+  - nvme
+
+sources:
+  - https://github.com/dysnix/charts
+
+maintainers:
+  - name: plejik
+    email: anton.rubets@dysnix.com

dysnix/gcp-local-nvme-raid/templates/_helpers.tpl

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

dysnix/gcp-local-nvme-raid/templates/daemonset.yaml

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+apiVersion: apps/v1
+kind: DaemonSet
+metadata:
+  name: {{ include "gcp-local-nvme-raid.fullname" . }}
+  labels:
+    {{- include "gcp-local-nvme-raid.labels" . | nindent 4 }}
+spec:
+  selector:
+    matchLabels:
+      {{- include "gcp-local-nvme-raid.selectorLabels" . | nindent 6 }}
+  template:
+    metadata:
+      {{- with .Values.podAnnotations }}
+      annotations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      labels:
+        {{- include "gcp-local-nvme-raid.selectorLabels" . | nindent 8 }}
+    spec:
+      {{- with .Values.imagePullSecrets }}
+      imagePullSecrets:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      securityContext:
+        {{- toYaml .Values.podSecurityContext | nindent 8 }}
+      hostPID: true
+      containers:
+        - name: {{ .Chart.Name }}
+          securityContext:
+            {{- toYaml .Values.securityContext | nindent 12 }}
+          image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          env:
+          - name: STARTUP_SCRIPT
+            value: |
+              set -o errexit
+              set -o nounset
+              set -o pipefail
+
+              devices=()
+              for ssd in /dev/disk/by-id/google-local-ssd-block*; do
+                if [ -e "${ssd}" ]; then
+                  devices+=("${ssd}")
+                fi
+              done
+              if [ "${#devices[@]}" -eq 0 ]; then
+                echo "No Local NVMe SSD disks found."
+                exit 0
+              fi
+
+              raid_id="md0"
+              device="/dev/${raid_id}"
+              echo "Setting RAID array with Local SSDs on device ${device}"
+              if ! grep -q "$raid_id" /proc/mdstat; then
+                echo "y" | mdadm --create "${device}" --level=0 --force --raid-devices=${#devices[@]} "${devices[@]}"
+              fi
+
+              if ! tune2fs -l "${device}" ; then
+                echo "Formatting '${device}'"
+                mkfs.ext4 {{ .Values.localSsd.mkfsOpts }} "${device}"
+              fi
+
+              mountpoint={{ .Values.localSsd.mountPoint }}
+              mkdir -p "${mountpoint}"
+              echo "Mounting '${device}' at '${mountpoint}'"
+              mount -o discard,defaults "${device}" "${mountpoint}"
+              chmod a+w "${mountpoint}"
+      {{- with .Values.nodeSelector }}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.affinity }}
+      affinity:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.tolerations }}
+      tolerations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}

dysnix/gcp-local-nvme-raid/values.yaml

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+# Default values for gcp-local-nvme-raid.
+# This is a YAML-formatted file.
+# Declare variables to be passed into your templates.
+
+image:
+  repository: gcr.io/google-containers/startup-script
+  pullPolicy: IfNotPresent
+  # Overrides the image tag whose default is the chart appVersion.
+  tag: "v1"
+
+imagePullSecrets: []
+nameOverride: ""
+fullnameOverride: ""
+
+podAnnotations: {}
+
+podSecurityContext: {}
+  # fsGroup: 2000
+
+securityContext:
+  privileged: true
+
+nodeSelector:
+  cloud.google.com/gke-local-nvme-ssd: "true"
+
+tolerations:
+  - effect: NoSchedule
+    operator: Exists
+
+affinity: {}
+
+localSsd:
+  mkfsOpts: ""
+  mountPoint: /mnt/disks/raid0