From 52c38b98b8410de74e545f5cd7f79c2d959bc81a Mon Sep 17 00:00:00 2001 From: Konrad Bańka Date: Wed, 28 Oct 2020 16:49:19 +0100 Subject: [CCSDK] Make a1policymanagement react on ConfigMap updates MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Updated Deployment spec to template ConfigMap files in runtime allowing live reaction of application to config changes. Provided Configmaps with scripts to handle monitoring configmap-provided files. Updated envsubst to explicitly point to downloaded version. Issue-ID: CCSDK-2958 Signed-off-by: Konrad Bańka Change-Id: I22e18f2838c0956f899cb9fa96d9fd862e6c6942 --- .../resources/envsubst/daemon.sh | 30 ++++++++++++++++++++ .../resources/envsubst/update_files | 27 ++++++++++++++++++ .../a1policymanagement/templates/deployment.yaml | 32 ++++++++++++++++++++-- .../templates/envsubst-configmap.yaml | 23 ++++++++++++++++ kubernetes/a1policymanagement/values.yaml | 5 +++- 5 files changed, 114 insertions(+), 3 deletions(-) create mode 100644 kubernetes/a1policymanagement/resources/envsubst/daemon.sh create mode 100644 kubernetes/a1policymanagement/resources/envsubst/update_files create mode 100644 kubernetes/a1policymanagement/templates/envsubst-configmap.yaml (limited to 'kubernetes/a1policymanagement') diff --git a/kubernetes/a1policymanagement/resources/envsubst/daemon.sh b/kubernetes/a1policymanagement/resources/envsubst/daemon.sh new file mode 100644 index 0000000000..6d239f1ec8 --- /dev/null +++ b/kubernetes/a1policymanagement/resources/envsubst/daemon.sh @@ -0,0 +1,30 @@ +#!/bin/sh +{{/* +# Copyright © 2020 Samsung Electronics +# +# 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. +*/}} + +terminate() { + echo "$(date) | INFO | Terminating child processes" + pids="$(jobs -p)" + if [ "$pids" != "" ]; then + kill -TERM $pids >/dev/null 2>/dev/null + fi + wait +} + +trap terminate TERM +echo "$(date) | INFO | Started monitoring /config-input/ directory" +inotifyd /tmp/scripts/update_files /config-input/ & +wait diff --git a/kubernetes/a1policymanagement/resources/envsubst/update_files b/kubernetes/a1policymanagement/resources/envsubst/update_files new file mode 100644 index 0000000000..754bb55432 --- /dev/null +++ b/kubernetes/a1policymanagement/resources/envsubst/update_files @@ -0,0 +1,27 @@ +#!/bin/sh +{{/* +# Copyright © 2020 Samsung Electronics +# +# 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. +*/}} + +if [ "$1" == "y" ] && [ "$3" == "..data" ]; then + echo "$(date) | INFO | Configmap has been reloaded" + cd /config-input + for file in $(ls -1); do + if [ "$file" -nt "/config/$file" ]; then + echo "$(date) | INFO | Templating /config/$file" + envsubst <$file >/config/$file + fi + done +fi diff --git a/kubernetes/a1policymanagement/templates/deployment.yaml b/kubernetes/a1policymanagement/templates/deployment.yaml index 6987bd41c5..1a2866b981 100644 --- a/kubernetes/a1policymanagement/templates/deployment.yaml +++ b/kubernetes/a1policymanagement/templates/deployment.yaml @@ -1,6 +1,7 @@ {{/* ################################################################################ # Copyright (c) 2020 Nordix Foundation. # +# Copyright © 2020 Samsung Electronics, Modifications # # # # Licensed under the Apache License, Version 2.0 (the "License"); # # you may not use this file except in compliance with the License. # @@ -27,14 +28,14 @@ spec: labels: {{- include "common.labels" . | nindent 8 }} spec: initContainers: - - name: {{ include "common.name" . }}-update-config + - name: {{ include "common.name" . }}-bootstrap-config image: "{{ .Values.global.envsubstImage }}" imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }} command: - sh args: - -c - - "cd /config-input && for PFILE in `ls -1`; do envsubst <${PFILE} >/config/${PFILE}; done" + - "cd /config-input && for PFILE in `ls -1`; do envsubst <${PFILE} >/config/${PFILE}; chmod o+w /config/${PFILE}; done" env: - name: A1CONTROLLER_USER {{- include "common.secret.envFromSecretFast" (dict "global" . "uid" "controller-secret" "key" "login") | indent 10 }} @@ -46,6 +47,29 @@ spec: - mountPath: /config name: config containers: + - name: {{ include "common.name" . }}-update-config + image: "{{ .Values.global.envsubstImage }}" + imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }} + securityContext: + runAsGroup: {{ .Values.groupID }} + runAsUser: {{ .Values.userID }} + runAsNonRoot: true + command: + - sh + args: + - /tmp/scripts/daemon.sh + env: + - name: A1CONTROLLER_USER + {{- include "common.secret.envFromSecretFast" (dict "global" . "uid" "controller-secret" "key" "login") | indent 10 }} + - name: A1CONTROLLER_PASSWORD + {{- include "common.secret.envFromSecretFast" (dict "global" . "uid" "controller-secret" "key" "password") | indent 10 }} + volumeMounts: + - mountPath: /tmp/scripts + name: {{ include "common.fullname" . }}-envsubst-scripts + - mountPath: /config-input + name: {{ include "common.fullname" . }}-policy-conf-input + - mountPath: /config + name: config - name: {{ include "common.name" . }} image: {{ include "common.repository" . }}/{{ .Values.image }} imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }} @@ -70,6 +94,10 @@ spec: - name: {{ include "common.fullname" . }}-policy-conf-input configMap: name: {{ include "common.fullname" . }}-policy-conf + defaultMode: 0555 + - name: {{ include "common.fullname" . }}-envsubst-scripts + configMap: + name: {{ include "common.fullname" . }}-envsubst-scripts - name: config emptyDir: medium: Memory diff --git a/kubernetes/a1policymanagement/templates/envsubst-configmap.yaml b/kubernetes/a1policymanagement/templates/envsubst-configmap.yaml new file mode 100644 index 0000000000..99449638f4 --- /dev/null +++ b/kubernetes/a1policymanagement/templates/envsubst-configmap.yaml @@ -0,0 +1,23 @@ +{{/* +################################################################################ +# Copyright © 2020 Samsung Electronics # +# # +# 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 +kind: ConfigMap +metadata: {{- include "common.resourceMetadata" . | nindent 2 }} + name: {{ include "common.fullname" . }}-envsubst-scripts +data: +{{ tpl (.Files.Glob "resources/envsubst/*").AsConfig . | indent 2 }} diff --git a/kubernetes/a1policymanagement/values.yaml b/kubernetes/a1policymanagement/values.yaml index 21a86a0fe1..2f45e41648 100644 --- a/kubernetes/a1policymanagement/values.yaml +++ b/kubernetes/a1policymanagement/values.yaml @@ -1,5 +1,6 @@ ################################################################################ # Copyright (c) 2020 Nordix Foundation. # +# Copyright © 2020 Samsung Electronics, Modifications # # # # Licensed under the Apache License, Version 2.0 (the "License"); # # you may not use this file except in compliance with the License. # @@ -19,7 +20,7 @@ global: nodePortPrefix: 300 - envsubstImage: dibi/envsubst + envsubstImage: dibi/envsubst:1 secrets: - uid: controller-secret @@ -31,6 +32,8 @@ secrets: repository: nexus3.onap.org:10001 image: onap/ccsdk-oran-a1policymanagementservice:1.0.1 +userID: 1000 #Should match with image-defined user ID +groupID: 999 #Should match with image-defined group ID pullPolicy: IfNotPresent replicaCount: 1 -- cgit 1.2.3-korg