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anatoly-scherbakovanatoly-scherbakov
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[ENG-3021]: Add memgraph subchart
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9 files changed

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9 files changed

+324
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‎charts/datafold/Chart.yaml‎

Lines changed: 5 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -2,7 +2,7 @@ apiVersion: v2
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name: datafold
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description: Helm chart package to deploy Datafold on kubernetes.
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type: application
5-
version: 0.10.43
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version: 0.10.44
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appVersion: "1.0.0"
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icon: https://www.datafold.com/logo.png
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@@ -122,6 +122,10 @@ dependencies:
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version: "0.1.0"
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repository: file://charts/nginx
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condition: nginx.install
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- name: memgraph
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version: "*.*.*"
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repository: file://charts/memgraph
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condition: memgraph.install
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- name: datadog
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version: "*.*.*"
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repository: file://charts/datadog

‎charts/datafold/charts/memgraph/Chart.yaml‎

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,6 @@
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apiVersion: v2
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name: memgraph
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description: A Helm chart for Memgraph graph database
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type: application
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version: 0.1.0
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appVersion: "latest"

‎charts/datafold/charts/memgraph/templates/_helpers.tpl‎

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@@ -0,0 +1,102 @@
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{{/*
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Expand the name of the chart.
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*/}}
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{{- define "memgraph.name" -}}
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{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" }}
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{{- end }}
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{{/*
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Create a default fully qualified app name.
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We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
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If release name contains chart name it will be used as a full name.
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*/}}
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{{- define "memgraph.fullname" -}}
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{{- if .Values.fullnameOverride }}
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{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" }}
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{{- else }}
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{{- $name := default .Chart.Name .Values.nameOverride }}
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{{- if contains $name .Release.Name }}
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{{- .Release.Name | trunc 63 | trimSuffix "-" }}
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{{- else }}
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{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" }}
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{{- end }}
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{{- end }}
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{{- end }}
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{{/*
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Create chart name and version as used by the chart label.
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*/}}
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{{- define "memgraph.chart" -}}
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{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
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{{- end }}
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{{/*
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Common labels
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*/}}
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{{- define "memgraph.labels" -}}
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helm.sh/chart: {{ include "memgraph.chart" . }}
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app.kubernetes.io/component: database
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{{ include "memgraph.selectorLabels" . }}
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{{- if .Chart.AppVersion }}
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app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
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{{- end }}
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{{ include "datafold.labels" . }}
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{{- end }}
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{{/*
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Selector labels
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*/}}
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{{- define "memgraph.selectorLabels" -}}
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app.kubernetes.io/name: {{ include "memgraph.name" . }}
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{{- end }}
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{{/*
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Name of the memgraph data volume claim
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*/}}
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{{- define "memgraph.pvc.name" -}}
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{{- include "memgraph.name" . }}-data-claim
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{{- end -}}
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{{/*
61+
Name of the memgraph data volume
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*/}}
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{{- define "memgraph.pv.name" -}}
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{{- include "memgraph.name" . }}-data-volume
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{{- end -}}
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{{/*
68+
Volume mounts when PV is used
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*/}}
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{{- define "memgraph.volume.mounts" -}}
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{{- if (ne .Values.global.memgraph.storageOnPV "false") }}
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- name: data
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mountPath: /var/lib/memgraph
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{{- end -}}
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{{- end -}}
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{{/*
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Volumes when PV is used
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*/}}
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{{- define "memgraph.volumes" -}}
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{{- if (ne .Values.global.memgraph.storageOnPV "false") }}
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- name: data
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persistentVolumeClaim:
84+
claimName: {{ include "memgraph.pvc.name" . }}
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{{- end }}
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{{- end -}}
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{{/*
89+
Datadog annotations
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*/}}
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{{- define "memgraph.datadog.annotations" -}}
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{{- if (eq .Values.global.datadog.install true) }}
93+
ad.datadoghq.com/{{ .Chart.Name }}.logs: >-
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[{
95+
"source": "memgraph",
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"service": "memgraph"
97+
}]
98+
{{- end }}
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{{- with .Values.podAnnotations }}
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{{- toYaml . | nindent 0 }}
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{{- end }}
102+
{{- end }}

‎charts/datafold/charts/memgraph/templates/pvc.yaml‎

Lines changed: 23 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,23 @@
1+
apiVersion: v1
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kind: PersistentVolumeClaim
3+
metadata:
4+
name: {{ include "memgraph.pvc.name" . }}
5+
labels:
6+
{{- include "memgraph.labels" . | nindent 4 }}
7+
{{- with .Values.chartLabels }}
8+
{{- toYaml . | nindent 4 }}
9+
{{- end }}
10+
annotations:
11+
{{- with .Values.chartAnnotations }}
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{{- toYaml . | nindent 4 }}
13+
{{- end }}
14+
spec:
15+
accessModes:
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- ReadWriteOnce
17+
resources:
18+
requests:
19+
storage: {{ .Values.storage.dataSize | quote }}
20+
{{- if .Values.storage.volumeId }}
21+
volumeName: {{ include "memgraph.pv.name" . }}
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{{- end }}
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{{- include "datafold.storageClass" . | nindent 2 }}

‎charts/datafold/charts/memgraph/templates/service.yaml‎

Lines changed: 21 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,21 @@
1+
apiVersion: v1
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kind: Service
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metadata:
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name: {{ include "datafold.memgraph.server" . }}
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labels:
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{{- include "memgraph.labels" . | nindent 4 }}
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{{- with .Values.chartLabels }}
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{{- toYaml . | nindent 4 }}
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{{- end }}
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{{- with .Values.chartAnnotations }}
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annotations:
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{{- toYaml . | nindent 4 }}
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{{- end }}
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spec:
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type: {{ .Values.service.type }}
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ports:
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- port: {{ include "datafold.memgraph.port" . }}
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targetPort: bolt
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protocol: TCP
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selector:
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{{- include "memgraph.selectorLabels" . | nindent 4 }}

‎charts/datafold/charts/memgraph/templates/statefulset.yaml‎

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,96 @@
1+
apiVersion: apps/v1
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kind: StatefulSet
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metadata:
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name: {{ include "memgraph.fullname" . }}
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labels:
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{{- include "memgraph.labels" . | nindent 4 }}
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{{- with .Values.chartLabels }}
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{{- toYaml . | nindent 4 }}
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{{- end }}
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{{- with .Values.chartAnnotations }}
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annotations:
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{{- toYaml . | nindent 4 }}
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{{- end }}
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spec:
15+
serviceName: {{ include "memgraph.fullname" . }}
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replicas: 1
17+
selector:
18+
matchLabels:
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{{- include "memgraph.selectorLabels" . | nindent 6 }}
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template:
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metadata:
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annotations:
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{{- include "memgraph.datadog.annotations" . | nindent 8 }}
24+
labels:
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{{- include "memgraph.labels" . | nindent 8 }}
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{{- with .Values.podLabels }}
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{{- toYaml . | nindent 8 }}
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{{- end }}
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spec:
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{{- with .Values.imagePullSecrets }}
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imagePullSecrets:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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securityContext:
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{{- toYaml .Values.podSecurityContext | nindent 8 }}
36+
terminationGracePeriodSeconds: {{ .Values.terminationGracePeriodSeconds }}
37+
initContainers:
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- name: init-chown
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image: busybox:latest
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command: ["sh", "-c", "chown -R 101:103 /var/lib/memgraph"]
41+
securityContext:
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{{- toYaml .Values.initSecurityContext | nindent 12 }}
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volumeMounts:
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{{- include "memgraph.volume.mounts" . | nindent 12 }}
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containers:
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- name: {{ .Chart.Name }}
47+
securityContext:
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{{- toYaml .Values.securityContext | nindent 12 }}
49+
image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
50+
imagePullPolicy: {{ .Values.image.pullPolicy }}
51+
args:
52+
- "--storage-snapshot-on-exit=true"
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- "--log-level=WARNING"
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- "--also-log-to-stderr=true"
55+
ports:
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- name: bolt
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containerPort: 7687
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protocol: TCP
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livenessProbe:
60+
tcpSocket:
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port: bolt
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initialDelaySeconds: 30
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periodSeconds: 10
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timeoutSeconds: 5
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failureThreshold: 6
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readinessProbe:
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tcpSocket:
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port: bolt
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initialDelaySeconds: 5
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periodSeconds: 5
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timeoutSeconds: 3
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failureThreshold: 3
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resources:
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{{- toYaml .Values.resources | nindent 12 }}
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volumeMounts:
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{{- include "memgraph.volume.mounts" . | nindent 12 }}
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{{- with .Values.volumeMounts }}
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{{- toYaml . | nindent 12 }}
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{{- end }}
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volumes:
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{{- include "memgraph.volumes" . | nindent 8 }}
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{{- with .Values.volumes }}
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{{- toYaml . | nindent 8 }}
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{{- end }}
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{{- with .Values.nodeSelector }}
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nodeSelector:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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{{- with .Values.affinity }}
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affinity:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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{{- with .Values.tolerations }}
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tolerations:
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{{- toYaml . | nindent 8 }}
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{{- end }}

‎charts/datafold/charts/memgraph/values.yaml‎

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,48 @@
1+
replicaCount: 1
2+
3+
image:
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repository: memgraph/memgraph
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pullPolicy: IfNotPresent
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tag: ""
7+
8+
imagePullSecrets: []
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nameOverride: ""
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fullnameOverride: ""
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terminationGracePeriodSeconds: 60
12+
13+
storage:
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dataSize: 50Gi
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storageClass: ""
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volumeId: ""
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18+
podAnnotations: {}
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chartLabels: {}
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chartAnnotations: {}
22+
23+
podSecurityContext:
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fsGroup: 103
25+
26+
securityContext:
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allowPrivilegeEscalation: false
28+
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initSecurityContext:
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runAsUser: 0
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runAsGroup: 0
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33+
service:
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type: ClusterIP
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port: 7687
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37+
resources:
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requests:
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cpu: 500m
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memory: 512Mi
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limits:
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memory: 4Gi
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44+
nodeSelector: {}
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tolerations: []
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affinity: {}

‎charts/datafold/templates/_memgraph.tpl‎

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,17 @@
1+
{{/*
2+
Return the memgraph host
3+
*/}}
4+
{{- define "datafold.memgraph.server" -}}
5+
{{- if not .Values.global.memgraph.server -}}
6+
{{ printf "%s-%s" .Release.Name "memgraph" }}
7+
{{- else -}}
8+
{{ .Values.global.memgraph.server }}
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{{- end -}}
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{{- end -}}
11+
12+
{{/*
13+
Return the memgraph port
14+
*/}}
15+
{{- define "datafold.memgraph.port" -}}
16+
{{- print $.Values.global.memgraph.port -}}
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{{- end -}}

‎charts/datafold/values.yaml‎

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Original file line numberDiff line numberDiff line change
@@ -25,6 +25,9 @@ global:
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port: 9000
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storageOnPV: "true"
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database: "clickhouse"
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memgraph:
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port: 7687
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storageOnPV: "true"
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postgres:
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server: ""
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port: 5432
@@ -72,6 +75,9 @@ kept:
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clickhouse:
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install: true
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memgraph:
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install: false
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dfshell:
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install: true
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