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authorkrishnaa96 <krishna.moorthy6@wipro.com>2021-05-11 18:29:49 +0530
committerSylvain Desbureaux <sylvain.desbureaux@orange.com>2021-05-28 14:22:58 +0000
commit544863d73ef1137faaf031513ac6868ebf101953 (patch)
treefd435ff91a08c5004abd7e5b660416a1979db05c /kubernetes/common/etcd-init
parent77b740f2c94facef63eafcde23666c2133d2e5da (diff)
[COMMON][ETCD-INIT] Add etcd-init chart
- etcd-init chart will provision the users and roles in a running etcd instance - Change etcd container name for readiness init container to work Issue-ID: OOM-2746 Signed-off-by: krishnaa96 <krishna.moorthy6@wipro.com> Change-Id: I0cb6d3830b0048c4d70f381815bd3f858ec31ae7
Diffstat (limited to 'kubernetes/common/etcd-init')
-rw-r--r--kubernetes/common/etcd-init/.helmignore21
-rw-r--r--kubernetes/common/etcd-init/Chart.yaml18
-rw-r--r--kubernetes/common/etcd-init/requirements.yaml21
-rw-r--r--kubernetes/common/etcd-init/templates/job.yaml104
-rw-r--r--kubernetes/common/etcd-init/templates/secret.yaml17
-rw-r--r--kubernetes/common/etcd-init/values.yaml74
6 files changed, 255 insertions, 0 deletions
diff --git a/kubernetes/common/etcd-init/.helmignore b/kubernetes/common/etcd-init/.helmignore
new file mode 100644
index 0000000000..f0c1319444
--- /dev/null
+++ b/kubernetes/common/etcd-init/.helmignore
@@ -0,0 +1,21 @@
+# 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
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
diff --git a/kubernetes/common/etcd-init/Chart.yaml b/kubernetes/common/etcd-init/Chart.yaml
new file mode 100644
index 0000000000..20f5ac40cc
--- /dev/null
+++ b/kubernetes/common/etcd-init/Chart.yaml
@@ -0,0 +1,18 @@
+# Copyright (C) 2021 Wipro Limited.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+apiVersion: v1
+description: Chart for etcd init job
+name: etcd-init
+version: 8.0.0
diff --git a/kubernetes/common/etcd-init/requirements.yaml b/kubernetes/common/etcd-init/requirements.yaml
new file mode 100644
index 0000000000..008789b822
--- /dev/null
+++ b/kubernetes/common/etcd-init/requirements.yaml
@@ -0,0 +1,21 @@
+# Copyright (C) 2021 Wipro Limited.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+dependencies:
+ - name: common
+ version: ~8.x-0
+ repository: 'file://../common'
+ - name: repositoryGenerator
+ version: ~8.x-0
+ repository: 'file://../repositoryGenerator'
diff --git a/kubernetes/common/etcd-init/templates/job.yaml b/kubernetes/common/etcd-init/templates/job.yaml
new file mode 100644
index 0000000000..69bcfaaf99
--- /dev/null
+++ b/kubernetes/common/etcd-init/templates/job.yaml
@@ -0,0 +1,104 @@
+{{/*
+# Copyright (C) 2021 Wipro Limited.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+*/}}
+apiVersion: batch/v1
+kind: Job
+metadata:
+ name: {{ include "common.fullname" . }}-job
+ namespace: {{ include "common.namespace" . }}
+ labels:
+ app: {{ include "common.name" . }}
+ chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
+ release: {{ include "common.release" . }}
+ heritage: {{ .Release.Service }}
+spec:
+ backoffLimit: {{ .Values.backoffLimit }}
+ template:
+ metadata:
+ labels:
+ app: {{ include "common.name" . }}
+ release: {{ include "common.release" . }}
+ name: {{ include "common.name" . }}
+ spec:
+ initContainers:
+ - name: {{ include "common.name" . }}-readiness
+ command:
+ - /app/ready.py
+ args:
+ - --container-name
+ - {{ .Values.etcd.containerName }}
+ env:
+ - name: NAMESPACE
+ valueFrom:
+ fieldRef:
+ apiVersion: v1
+ fieldPath: metadata.namespace
+ image: {{ include "repositoryGenerator.image.readiness" . }}
+ imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
+ containers:
+ - name: {{ include "common.name" . }}
+ image: {{ include "repositoryGenerator.dockerHubRepository" . }}/{{ .Values.image }}
+ imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
+ command:
+ - /bin/sh
+ - -ec
+ - |
+ # Create users
+ export ETCDCTL_ENDPOINTS=http://${ETCD_HOST}:${ETCD_PORT}
+ export ETCDCTL_API=3
+ echo "${ROOT_PASSWORD}" | etcdctl user add root --interactive=false
+ echo "${APP_PASSWORD}" | etcdctl user add ${APP_USER} --interactive=false
+
+ # Create roles
+ etcdctl role add ${APP_ROLE}
+ etcdctl role grant-permission ${APP_ROLE} --prefix=true readwrite ${KEY_PREFIX}
+
+ etcdctl user grant-role ${APP_USER} ${APP_ROLE}
+ etcdctl auth enable
+ env:
+ - name: ALLOW_NONE_AUTHENTICATION
+ value: "yes"
+ - name: ETCD_HOST
+ value: "{{ .Values.etcd.serviceName }}.{{ include "common.namespace" . }}"
+ - name: ETCD_PORT
+ value: "{{ .Values.etcd.port }}"
+ - name: ROOT_PASSWORD
+ {{- include "common.secret.envFromSecretFast" (dict "global" . "uid" "root-password" "key" "password" ) | indent 10 }}
+ - name: APP_USER
+ {{- include "common.secret.envFromSecretFast" (dict "global" . "uid" "app-creds" "key" "login") | indent 10 }}
+ - name: APP_PASSWORD
+ {{- include "common.secret.envFromSecretFast" (dict "global" . "uid" "app-creds" "key" "password") | indent 10 }}
+ - name: APP_ROLE
+ value: "{{ .Values.config.appRole }}"
+ - name: KEY_PREFIX
+ value: "{{ .Values.config.keyPrefix }}"
+ volumeMounts:
+ - mountPath: /etc/localtime
+ name: localtime
+ readOnly: true
+ resources: {{ include "common.resources" . | nindent 12 }}
+ {{- if .Values.nodeSelector }}
+ nodeSelector: {{ toYaml .Values.nodeSelector | nindent 10 }}
+ {{- end -}}
+ {{- if .Values.affinity }}
+ affinity: {{ toYaml .Values.affinity | nindent 10 }}
+ {{- end }}
+ volumes:
+ - name: localtime
+ hostPath:
+ path: /etc/localtime
+ restartPolicy: Never
+ imagePullSecrets:
+ - name: "{{ include "common.namespace" . }}-docker-registry-key"
diff --git a/kubernetes/common/etcd-init/templates/secret.yaml b/kubernetes/common/etcd-init/templates/secret.yaml
new file mode 100644
index 0000000000..e874185693
--- /dev/null
+++ b/kubernetes/common/etcd-init/templates/secret.yaml
@@ -0,0 +1,17 @@
+{{/*
+# Copyright (C) 2021 Wipro Limited.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+*/}}
+
+{{ include "common.secretFast" . }}
diff --git a/kubernetes/common/etcd-init/values.yaml b/kubernetes/common/etcd-init/values.yaml
new file mode 100644
index 0000000000..c99c9f1e5b
--- /dev/null
+++ b/kubernetes/common/etcd-init/values.yaml
@@ -0,0 +1,74 @@
+# Copyright (C) 2021 Wipro Limited.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+#################################################################
+# Global configuration defaults.
+#################################################################
+global: {}
+
+#################################################################
+# Secrets metaconfig
+#################################################################
+secrets:
+ - uid: root-password
+ type: password
+ externalSecret: '{{ tpl (default "" .Values.config.userRootSecret) . }}'
+ password: '{{ .Values.config.userRootPassword }}'
+ - uid: app-creds
+ type: basicAuth
+ externalSecret: '{{ tpl (default "" .Values.config.userCredentialsExternalSecret) . }}'
+ login: '{{ .Values.config.appUser }}'
+ password: '{{ .Values.config.appPassword }}'
+
+#################################################################
+# Application configuration defaults.
+#################################################################
+
+image: bitnami/etcd:3.3.15
+pullPolicy: Always
+backoffLimit: 20
+
+nodeSelector: {}
+
+affinity: {}
+
+etcd:
+ serviceName: k8s-etcd
+ port : 2379
+ containerName: k8s-etcd
+
+config:
+ userRootSecret: root
+# userCredentialsExternalSecret:
+ appUser: user
+ appRole: role
+ keyPrefix: key
+
+flavor: small
+resources:
+ small:
+ limits:
+ cpu: 100m
+ memory: 500Mi
+ requests:
+ cpu: 10m
+ memory: 10Mi
+ large:
+ limits:
+ cpu: 200m
+ memory: 500Mi
+ requests:
+ cpu: 20m
+ memory: 20Mi
+ unlimited: {}