fix: Remove race condition when testing target url

## [0.8.1](https://code.spamasaurus.com/djpbessems/ContainerImage.JSONServer/compare/v0.8.0...v0.8.1) (2023-07-14)

### Bug Fixes

* Add missing dependency ([6270499](6270499efe))
* Fix linebreak ([fa2c72c](fa2c72cb68))
* Refactor update script for bash interpreter ([2725f36](2725f36017))
* Workaround for set locale warning ([0af8f2a](0af8f2ac5e))

CHANGELOG.md

@@ -1,3 +1,40 @@
+## [0.8.1](https://code.spamasaurus.com/djpbessems/ContainerImage.JSONServer/compare/v0.8.0...v0.8.1) (2023-07-14)
+
+
+### Bug Fixes
+
+* Add missing dependency ([6270499](https://code.spamasaurus.com/djpbessems/ContainerImage.JSONServer/commit/6270499efecb8ae1474f1ce29c8f4003da3916df))
+* Fix linebreak ([fa2c72c](https://code.spamasaurus.com/djpbessems/ContainerImage.JSONServer/commit/fa2c72cb68254dd0e27f12220f8056b9223223ed))
+* Refactor update script for bash interpreter ([2725f36](https://code.spamasaurus.com/djpbessems/ContainerImage.JSONServer/commit/2725f360179b3dab1d77d5f429b2f60d4aabcd4a))
+* Workaround for set locale warning ([0af8f2a](https://code.spamasaurus.com/djpbessems/ContainerImage.JSONServer/commit/0af8f2ac5ea0f8453fdb7120aeb7eff15aa88e42))
+
+# [0.8.0](https://code.spamasaurus.com/djpbessems/ContainerImage.JSONServer/compare/v0.7.3...v0.8.0) (2023-07-14)
+
+
+### Bug Fixes
+
+* Fix linebreak ([6f07cc8](https://code.spamasaurus.com/djpbessems/ContainerImage.JSONServer/commit/6f07cc8d876d49be0a798772b62f93b09efba110))
+
+
+### Features
+
+* Continuous helm polling to update database ([a5e3c79](https://code.spamasaurus.com/djpbessems/ContainerImage.JSONServer/commit/a5e3c79d10a378336e5a6af267f7d28997cd9a8c))
+* Rebase sidecar container image ([dcb3dec](https://code.spamasaurus.com/djpbessems/ContainerImage.JSONServer/commit/dcb3decbd3d4e1507aba351f11cd4a148822b06b))
+
+## [0.7.3](https://code.spamasaurus.com/djpbessems/ContainerImage.JSONServer/compare/v0.7.2...v0.7.3) (2023-07-14)
+
+
+### Bug Fixes
+
+* Missing period in chart template ([0999fdf](https://code.spamasaurus.com/djpbessems/ContainerImage.JSONServer/commit/0999fdf7051d6e8a2161333980bd1aedd9f180ef))
+
+## [0.7.2](https://code.spamasaurus.com/djpbessems/ContainerImage.JSONServer/compare/v0.7.1...v0.7.2) (2023-07-14)
+
+
+### Bug Fixes
+
+* Adhere to naming convention in templates ([c551a24](https://code.spamasaurus.com/djpbessems/ContainerImage.JSONServer/commit/c551a242c7a49a445da68ba6e1e5966eeb5ce7d7))
+
 ## [0.7.1](https://code.spamasaurus.com/djpbessems/ContainerImage.JSONServer/compare/v0.7.0...v0.7.1) (2023-07-14)
 
 

Dockerfile

@@ -1,8 +1,31 @@
-FROM node:lts-slim AS build
+FROM alpine:latest AS download
 
-RUN npm install -g --omit=optional --omit=dev \
+ RUN apk --update add --no-cache \
+       curl \
+       jq && \
+     curl -L https://api.github.com/repos/helm/helm/releases/latest | \
+       jq -r '.tag_name' | \
+       xargs -I {} curl -L -o /tmp/helm.tar.gz https://get.helm.sh/helm-{}-linux-amd64.tar.gz && \
+     tar -xzf /tmp/helm.tar.gz --strip-components=1 -C /tmp
+
+FROM node:lts-slim
+
+COPY --from=download /tmp/helm /usr/bin/helm
+
+ENV LANG en_US.UTF-8
+ENV LANGUAGE en_US:en
+ENV LC_ALL en_US.UTF-8
+
+RUN apt-get update && apt-get upgrade -y && apt-get install -y --no-install-recommends \
+      curl \
+      jq \
+      locales && \
+    sed -i '/en_US.UTF-8/s/^# //g' /etc/locale.gen && \
+    locale-gen && \
+    npm install -g --omit=optional --omit=dev \
       json-server && \
-    npm cache clean --force
+    npm cache clean --force && \
+    rm -rf /var/lib/apt/lists/*
 
 COPY init/entrypoint.sh /opt/entrypoint.sh
 

charts/json-server/templates/clusterrolebinding.yaml

@@ -5,7 +5,7 @@ metadata:
 subjects:
 - kind: ServiceAccount
   name: {{ include "json-server.serviceAccountName" . }}
-  namespace: {{ Release.Namespace }}
+  namespace: {{ .Release.Namespace }}
 roleRef:
   kind: ClusterRole
   name: {{ .Release.Name }}-clusterrole

charts/json-server/templates/configmap.yaml

@@ -54,6 +54,43 @@ data:
         <script src="script.js"></script>
       </body>
     </html>
+  update.sh: |
+    #!/bin/bash
+
+    while getopts u: flag
+    do
+      case "${flag}" in
+        u) URL=${OPTARG};;
+      esac
+    done
+
+    [[ $(getent hosts $URL) ]] || {
+      echo 'Could not resolve' $URL
+      exit 1
+    }
+
+    echo '['$(date "+%Y-%m-%d %H:%M:%S")'] Started polling helm releases with 60 second interval'
+
+    while sleep 60;
+    do
+      echo '['$(date "+%Y-%m-%d %H:%M:%S")']' $(curl -ks https://$URL/components | jq length) 'known releases in database'
+
+      for entry in $(helm list --all-namespaces --output json | jq -r '.[] | @base64'); do
+        RELEASE=$(echo $entry | base64 -d)
+        APP_NAME=$(echo $RELEASE | jq -r '.name')
+        APP_ID=$(curl -ks https://$URL/components?name=$APP_NAME | jq -r '.[0].id')
+
+        # Release is not yet in database
+        [ "$APP_ID" == null ] && {
+          curl -ks -X POST https://$URL/components -H 'Content-Type: application/json' --data "$RELEASE" -o /dev/null
+        }
+        # Release is already in database
+        [ "$APP_ID" != null ] && {
+          curl -ks -X PATCH https://$URL/components/$APP_ID -H 'Content-Type: application/json' --data "$RELEASE" -o /dev/null
+        }
+      done
+
+    done
   db.json: |
-{{ include "common.tplvalues.render" ( dict "value" .Values.json-server.seedData.configInline "context" $) | indent 4 }}
+{{ include "common.tplvalues.render" ( dict "value" .Values.jsonServer.seedData.configInline "context" $) | indent 4 }}
 {{- end -}}

charts/json-server/templates/deployment.yaml

@@ -60,13 +60,25 @@ spec:
           resources:
             {{- toYaml .Values.resources | nindent 12 }}
           command:
-          - /bin/sh
+          - /bin/bash
           - -c
-          - sleep infinity
+          - "/opt/update.sh -u {{ .Values.sidecar.targetUrl }}"
+          volumeMounts:
+          - name: {{ .Release.Name }}-configmap
+            mountPath: /opt/update.sh
+            subPath: update.sh
       volumes:
       - name: {{ .Release.Name }}-configmap
         configMap:
           name: {{ .Release.Name }}-configmap
+          items:
+          - key: db.json
+            path: db.json
+          - key: index.html
+            path: index.html
+          - key: update.sh
+            path: update.sh
+            mode: 0744
       {{- with .Values.nodeSelector }}
       nodeSelector:
         {{- toYaml . | nindent 8 }}

charts/json-server/values.yaml

@@ -13,10 +13,12 @@ jsonServer:
     tag: {{ image_tag }}
 
 sidecar:
+  targetUrl: metadata.example.org
   image:
-    repository: alpine/helm
+    repository: bv11-cr01.bessems.eu/library/json-server
     pullPolicy: IfNotPresent
-    tag: 3.12.1
+    # Overrides the image tag whose default is the chart appVersion.
+    tag: {{ image_tag }}
 
 replicaCount: 1