Allow proxy upstream URLs to be configured at runtime (#7413)

* allow proxy upstream urls to be configured at runtime

* make dynamic upstream urls in proxy the default behaviour

* reorder env directives

* Use appVersion for proxy image

* Update couch upstream for proxy

* proxy ci updates - WIP

* allowing custom resolvers in proxy service deployment

* remove generateProxyConf script for prod and remove from builds

* remove generateProxyConfig script

* removing nginx dev conf

* delete generated nginx conf

Co-authored-by: Thomas Weiß <panos@unbunt.org>
Co-authored-by: Martin McKeaveney <martinmckeaveney@gmail.com>

.github/workflows/deploy-cloud.yaml

@@ -38,17 +38,6 @@ jobs:
           fi
           echo "RELEASE_VERSION=$release_version" >> $GITHUB_ENV
       
-      - name: Tag and release Proxy service docker image
-        run: | 
-          docker login -u $DOCKER_USER -p $DOCKER_PASSWORD
-          yarn build:docker:proxy:prod
-          docker tag proxy-service budibase/proxy:$PROD_TAG
-          docker push budibase/proxy:$PROD_TAG
-        env:
-          DOCKER_USER: ${{ secrets.DOCKER_USERNAME }}
-          DOCKER_PASSWORD: ${{ secrets.DOCKER_API_KEY }}
-          PROD_TAG: k8s
-      
       - name: Configure AWS Credentials
         uses: aws-actions/configure-aws-credentials@v1
         with:

.github/workflows/deploy-preprod.yml

@@ -28,17 +28,6 @@ jobs:
           release_version=$(cat lerna.json | jq -r '.version')
           echo "RELEASE_VERSION=$release_version" >> $GITHUB_ENV
 
-      - name: Tag and release Proxy service docker image
-        run: | 
-          docker login -u $DOCKER_USER -p $DOCKER_PASSWORD
-          yarn build:docker:proxy:preprod
-          docker tag proxy-service budibase/proxy:$PREPROD_TAG
-          docker push budibase/proxy:$PREPROD_TAG
-        env:
-          DOCKER_USER: ${{ secrets.DOCKER_USERNAME }}
-          DOCKER_PASSWORD: ${{ secrets.DOCKER_API_KEY }}
-          PREPROD_TAG: k8s-preprod
-
       - name: Pull values.yaml from budibase-infra
         run: | 
           curl -H "Authorization: token ${{ secrets.GH_PERSONAL_TOKEN }}" \

.github/workflows/deploy-release.yml

@@ -29,17 +29,6 @@ jobs:
           release_version=$(cat lerna.json | jq -r '.version')
           echo "RELEASE_VERSION=$release_version" >> $GITHUB_ENV
 
-      - name: Tag and release Proxy service docker image
-        run: | 
-          docker login -u $DOCKER_USER -p $DOCKER_PASSWORD
-          yarn build:docker:proxy:release
-          docker tag proxy-service budibase/proxy:$RELEASE_TAG
-          docker push budibase/proxy:$RELEASE_TAG
-        env:
-          DOCKER_USER: ${{ secrets.DOCKER_USERNAME }}
-          DOCKER_PASSWORD: ${{ secrets.DOCKER_API_KEY }}
-          RELEASE_TAG: k8s-release
-
       - name: Pull values.yaml from budibase-infra
         run: | 
           curl -H "Authorization: token ${{ secrets.GH_PERSONAL_TOKEN }}" \

.github/workflows/release-develop.yml

@@ -69,17 +69,6 @@ jobs:
           DOCKER_USER: ${{ secrets.DOCKER_USERNAME }}
           DOCKER_PASSWORD: ${{ secrets.DOCKER_API_KEY }}
 
-      - name: Tag and release Proxy service docker image
-        run: | 
-          docker login -u $DOCKER_USER -p $DOCKER_PASSWORD
-          yarn build:docker:proxy:release
-          docker tag proxy-service budibase/proxy:$RELEASE_TAG
-          docker push budibase/proxy:$RELEASE_TAG
-        env:
-          DOCKER_USER: ${{ secrets.DOCKER_USERNAME }}
-          DOCKER_PASSWORD: ${{ secrets.DOCKER_API_KEY }}
-          RELEASE_TAG: k8s-release
-
   deploy-to-release-env:
     needs: [release-images]
     runs-on: ubuntu-latest

.github/workflows/release.yml

@@ -98,17 +98,6 @@ jobs:
           aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
           aws-region: eu-west-1
 
-      - name: Tag and release Proxy service docker image
-        run: | 
-          docker login -u $DOCKER_USER -p $DOCKER_PASSWORD
-          yarn build:docker:proxy:preprod
-          docker tag proxy-service budibase/proxy:$PREPROD_TAG
-          docker push budibase/proxy:$PREPROD_TAG
-        env:
-          DOCKER_USER: ${{ secrets.DOCKER_USERNAME }}
-          DOCKER_PASSWORD: ${{ secrets.DOCKER_API_KEY }}
-          PREPROD_TAG: k8s-preprod
-
       - name: Pull values.yaml from budibase-infra
         run: | 
           curl -H "Authorization: token ${{ secrets.GH_PERSONAL_TOKEN }}" \

.gitignore

@@ -66,8 +66,6 @@ typings/
 .env
 !qa-core/.env
 !hosting/.env
-hosting/.generated-nginx.dev.conf
-hosting/proxy/.generated-nginx.prod.conf
 
 # parcel-bundler cache (https://parceljs.org/)
 .cache
@@ -105,6 +103,8 @@ stats.html
 
 # TypeScript cache
 *.tsbuildinfo
+
+# plugins
 budibase-component
 budibase-datasource
 

charts/budibase/templates/proxy-service-deployment.yaml

@@ -28,11 +28,26 @@ spec:
         app.kubernetes.io/name: budibase-proxy
     spec:
       containers:
-      - image: budibase/proxy:{{ .Values.services.proxy.tag | default "k8s" }}
+      - image: budibase/proxy:{{ .Values.globals.appVersion }}
         imagePullPolicy: Always
         name: proxy-service
         ports:
         - containerPort: {{ .Values.services.proxy.port }}
+        env:
+        - name: APPS_UPSTREAM_URL
+          value: {{ tpl .Values.services.proxy.upstreams.apps . | quote }}
+        - name: WORKER_UPSTREAM_URL
+          value: {{ tpl .Values.services.proxy.upstreams.worker . | quote }}
+        - name: MINIO_UPSTREAM_URL
+          value: {{ tpl .Values.services.proxy.upstreams.minio . | quote }}
+        - name: COUCHDB_UPSTREAM_URL
+          value: {{ .Values.services.couchdb.url | default (tpl .Values.services.proxy.upstreams.couchdb .) | quote }}
+        - name: RESOLVER
+          {{ if .Values.services.proxy.resolver }}
+          value: {{ .Values.services.proxy.resolver }}
+          {{ else }}
+          value: kube-dns.kube-system.svc.{{ .Values.services.dns }}
+          {{ end }}
         {{ with .Values.services.proxy.resources }}
         resources:
         {{- toYaml . | nindent 10 }}

charts/budibase/values.yaml

@@ -124,6 +124,11 @@ services:
   proxy:
     port: 10000
     replicaCount: 1
+    upstreams:
+      apps: 'http://app-service.{{ .Release.Namespace }}.svc.{{ .Values.services.dns }}:{{ .Values.services.apps.port }}'
+      worker: 'http://worker-service.{{ .Release.Namespace }}.svc.{{ .Values.services.dns }}:{{ .Values.services.worker.port }}'
+      minio: 'http://minio-service.{{ .Release.Namespace }}.svc.{{ .Values.services.dns }}:{{ .Values.services.objectStore.port }}'
+      couchdb: 'http://{{ .Release.Name }}-svc-couchdb:{{ .Values.services.couchdb.port }}'
     resources: {}
 
   apps:

hosting/docker-compose.dev.yaml

@@ -27,7 +27,7 @@ services:
     restart: on-failure
     image: nginx:latest
     volumes:
-      - ./.generated-nginx.dev.conf:/etc/nginx/nginx.conf
+      - ./nginx.dev.conf:/etc/nginx/nginx.conf
       - ./proxy/error.html:/usr/share/nginx/html/error.html
     ports:
       - "${MAIN_PORT}:10000"
@@ -36,6 +36,8 @@ services:
       - couchdb-service
     extra_hosts:
       - "host.docker.internal:host-gateway"
+    environment:
+      - PROXY_ADDRESS=${PROXY_ADDRESS}
 
   couchdb-service:
     # platform: linux/amd64

hosting/docker-compose.yaml

@@ -82,6 +82,12 @@ services:
     environment:
       - PROXY_RATE_LIMIT_WEBHOOKS_PER_SECOND=10
       - PROXY_RATE_LIMIT_API_PER_SECOND=20
+      - APPS_UPSTREAM_URL=http://app-service:4002
+      - WORKER_UPSTREAM_URL=http://worker-service:4003
+      - MINIO_UPSTREAM_URL=http://minio-service:9000
+      - COUCHDB_UPSTREAM_URL=http://couchdb-service:5984
+      - WATCHTOWER_UPSTREAM_URL=http://watchtower-service:8080
+      - RESOLVER=127.0.0.11
     depends_on:
       - minio-service
       - worker-service

hosting/nginx.dev.conf

@@ -25,17 +25,17 @@ http {
   }
 
   upstream app-service {
-    server {{address}}:4001;
+    server ${PROXY_ADDRESS}:4001;
     keepalive 32;
   }
 
   upstream worker-service {
-    server {{address}}:4002;
+    server ${PROXY_ADDRESS}:4002;
     keepalive 32;
   }
 
   upstream builder {
-    server {{address}}:3000;
+    server ${PROXY_ADDRESS}:3000;
     keepalive 32;
   }
 

hosting/proxy/Dockerfile

@@ -4,7 +4,7 @@ FROM nginx:latest
 # use the default nginx behaviour for *.template files which are processed with envsubst
 # override the output dir to output directly to /etc/nginx instead of /etc/nginx/conf.d
 ENV NGINX_ENVSUBST_OUTPUT_DIR=/etc/nginx
-COPY .generated-nginx.prod.conf /etc/nginx/templates/nginx.conf.template
+COPY nginx.prod.conf /etc/nginx/templates/nginx.conf.template
 
 # IPv6 removal needs to happen after envsubst
 RUN rm -rf /docker-entrypoint.d/10-listen-on-ipv6-by-default.sh
@@ -17,3 +17,10 @@ COPY error.html /usr/share/nginx/html/error.html
 # Default environment
 ENV PROXY_RATE_LIMIT_WEBHOOKS_PER_SECOND=10
 ENV PROXY_RATE_LIMIT_API_PER_SECOND=20
+# Use docker-compose values as defaults for backwards compatibility
+ENV APPS_UPSTREAM_URL=http://app-service:4002
+ENV WORKER_UPSTREAM_URL=http://worker-service:4003
+ENV MINIO_UPSTREAM_URL=http://minio-service:9000
+ENV COUCHDB_UPSTREAM_URL=http://couchdb-service:5984
+ENV WATCHTOWER_UPSTREAM_URL=http://watchtower-service:8080
+ENV RESOLVER=127.0.0.11

hosting/proxy/nginx.prod.conf

@@ -23,7 +23,7 @@ http {
   tcp_nodelay on;
   server_tokens off;
   types_hash_max_size 2048;
-  resolver {{ resolver }} valid=10s ipv6=off;
+  resolver ${RESOLVER} valid=10s ipv6=off;
 
   # buffering
   client_header_buffer_size 1k;
@@ -76,27 +76,23 @@ http {
     add_header Content-Security-Policy "${csp_default}; ${csp_script}; ${csp_style}; ${csp_object}; ${csp_base_uri}; ${csp_connect}; ${csp_font}; ${csp_frame}; ${csp_img}; ${csp_manifest}; ${csp_media}; ${csp_worker};" always;
 
     # upstreams
-    set $apps {{ apps }};
-    set $worker {{ worker }};
-    set $minio {{ minio }};
-    set $couchdb {{ couchdb }};
-    {{#if watchtower}}
-    set $watchtower {{ watchtower }};
-    {{/if}}
+    set $apps ${APPS_UPSTREAM_URL};
+    set $worker ${WORKER_UPSTREAM_URL};
+    set $minio ${MINIO_UPSTREAM_URL};
+    set $couchdb ${COUCHDB_UPSTREAM_URL};
+    set $watchtower ${WATCHTOWER_UPSTREAM_URL};
 
     location /app {
-      proxy_pass      http://$apps:4002;
+      proxy_pass      $apps;
     }
 
     location = / {
-      proxy_pass      http://$apps:4002;
+      proxy_pass      $apps;
     }
 
-    {{#if watchtower}}
     location = /v1/update {
-      proxy_pass      http://$watchtower:8080;
+      proxy_pass      $watchtower;
     }
-    {{/if}}
 
     location ~ ^/(builder|app_) {
       proxy_http_version  1.1;
@@ -107,19 +103,17 @@ http {
       proxy_set_header    X-Forwarded-For     $proxy_add_x_forwarded_for;
       proxy_set_header    Host                $host;
 
-      proxy_pass      http://$apps:4002;
+      proxy_pass      $apps;
     }
 
     location ~ ^/api/(system|admin|global)/ {
       proxy_set_header    Host                $host;
-
-      proxy_pass      http://$worker:4003;
+      proxy_pass      $worker;
     }
 
     location /worker/ {
       proxy_set_header    Host                $host;
-
-      proxy_pass      http://$worker:4003;
+      proxy_pass      $worker;
       rewrite ^/worker/(.*)$ /$1 break;
     }
 
@@ -138,7 +132,7 @@ http {
       proxy_set_header    X-Real-IP           $remote_addr;
       proxy_set_header    X-Forwarded-For     $proxy_add_x_forwarded_for;
 
-      proxy_pass      http://$apps:4002;
+      proxy_pass      $apps;
     }
 
     location /api/ {
@@ -157,7 +151,7 @@ http {
       proxy_set_header    X-Forwarded-For     $proxy_add_x_forwarded_for;
       proxy_set_header    Host                $host;
 
-      proxy_pass      http://$apps:4002;
+      proxy_pass      $apps;
     }
 
     location /api/webhooks/ {
@@ -177,11 +171,11 @@ http {
       proxy_set_header    X-Forwarded-For     $proxy_add_x_forwarded_for;
       proxy_set_header    Host                $host;
 
-      proxy_pass      http://$apps:4002;
+      proxy_pass      $apps;
     }
 
     location /db/ {
-      proxy_pass      http://$couchdb:5984;
+      proxy_pass      $couchdb;
       rewrite ^/db/(.*)$ /$1 break;
     }
 
@@ -191,7 +185,7 @@ http {
       proxy_set_header    Connection  'upgrade';
       proxy_set_header    Host        $host;
       proxy_cache_bypass  $http_upgrade;
-      proxy_pass          http://$apps:4002;
+      proxy_pass      $apps;
     }
 
     location / {
@@ -205,7 +199,7 @@ http {
       proxy_set_header Connection "";
       chunked_transfer_encoding off;
 
-      proxy_pass      http://$minio:9000;
+      proxy_pass      $minio;
     }
 
     location /files/signed/ {
@@ -224,7 +218,7 @@ http {
       proxy_set_header Connection "";
       chunked_transfer_encoding off;
 
-      proxy_pass      http://$minio:9000;
+      proxy_pass      $minio;
       rewrite ^/files/signed/(.*)$ /$1 break;
     }
 

package.json

@@ -56,15 +56,11 @@
     "test:e2e:ci:record": "lerna run cy:ci:record --stream",
     "test:e2e:ci:notify": "lerna run cy:ci:notify",
     "build:specs": "lerna run specs",
-    "build:docker": "lerna run build:docker && npm run build:docker:proxy:compose && cd hosting/scripts/linux/ && ./release-to-docker-hub.sh $BUDIBASE_RELEASE_VERSION && cd -",
+    "build:docker": "lerna run build:docker && npm run build:docker:proxy && cd hosting/scripts/linux/ && ./release-to-docker-hub.sh $BUDIBASE_RELEASE_VERSION && cd -",
     "build:docker:pre": "lerna run build && lerna run predocker",
     "build:docker:proxy": "docker build hosting/proxy -t proxy-service",
-    "build:docker:proxy:compose": "node scripts/proxy/generateProxyConfig compose && npm run build:docker:proxy",
-    "build:docker:proxy:preprod": "node scripts/proxy/generateProxyConfig preprod && npm run build:docker:proxy",
-    "build:docker:proxy:release": "node scripts/proxy/generateProxyConfig release && npm run build:docker:proxy",
-    "build:docker:proxy:prod": "node scripts/proxy/generateProxyConfig prod && npm run build:docker:proxy",
     "build:docker:selfhost": "lerna run build:docker && cd hosting/scripts/linux/ && ./release-to-docker-hub.sh latest && cd -",
-    "build:docker:develop": "node scripts/pinVersions && lerna run build:docker && npm run build:docker:proxy:compose && cd hosting/scripts/linux/ && ./release-to-docker-hub.sh develop && cd -",
+    "build:docker:develop": "node scripts/pinVersions && lerna run build:docker && npm run build:docker:proxy && cd hosting/scripts/linux/ && ./release-to-docker-hub.sh develop && cd -",
     "build:docker:airgap": "node hosting/scripts/airgapped/airgappedDockerBuild",
     "build:digitalocean": "cd hosting/digitalocean && ./build.sh && cd -",
     "build:docker:single:multiarch": "docker buildx build --platform linux/arm64,linux/amd64 -f hosting/single/Dockerfile -t budibase:latest .",

packages/server/scripts/dev/manage.js

@@ -3,7 +3,6 @@ const compose = require("docker-compose")
 const path = require("path")
 const fs = require("fs")
 const isWsl = require("is-wsl")
-const { processStringSync } = require("@budibase/string-templates")
 
 function isLinux() {
   return !isWsl && process.platform !== "darwin" && process.platform !== "win32"
@@ -23,16 +22,6 @@ const Commands = {
 }
 
 async function init() {
-  // generate nginx file, always do this incase it has changed
-  const hostingPath = path.join(process.cwd(), "..", "..", "hosting")
-  const nginxHbsPath = path.join(hostingPath, "nginx.dev.conf.hbs")
-  const nginxOutputPath = path.join(hostingPath, ".generated-nginx.dev.conf")
-  const contents = fs.readFileSync(nginxHbsPath, "utf8")
-  const config = {
-    address: isLinux() ? "172.17.0.1" : "host.docker.internal",
-  }
-  fs.writeFileSync(nginxOutputPath, processStringSync(contents, config))
-
   const envFilePath = path.join(process.cwd(), ".env")
   if (!fs.existsSync(envFilePath)) {
     const envFileJson = {
@@ -60,6 +49,7 @@ async function init() {
       BB_ADMIN_USER_PASSWORD: "",
       PLUGINS_DIR: "",
       TENANT_FEATURE_FLAGS: "*:LICENSING,*:USER_GROUPS",
+      PROXY_ADDRESS: isLinux() ? "172.17.0.1" : "host.docker.internal",
     }
     let envFile = ""
     Object.keys(envFileJson).forEach(key => {

scripts/proxy/generateProxyConfig.js

@@ -1,111 +0,0 @@
-#!/usr/bin/env node
-const path = require("path")
-const fs = require("fs")
-
-function processStringSync(string, env) {
-  let output = ""
-
-  // process if statements
-  let removal = false
-  for (let line of string.split("\n")) {
-    if (new RegExp(`{{\/if}}`, "g").test(line)) { 
-      removal = false
-      continue
-    } 
-
-    if (!removal) {
-      const match = line.match(new RegExp(`{{#if (.*)}}`))
-      if (match) {
-        const key = match[1]
-        // check the if statement is true
-        if (!env[key]) {
-          removal = true
-        }
-        continue
-      }
-      output += line + "\n"
-    }
-  }
-
-  for (let key in env) {
-    // replace variables
-    const rgx = new RegExp(`{{\\s*${key}\\s*}}`, "g")
-    output = output.replace(rgx, env[key])
-  }
-
-  return output
-}
-
-const Configs = {
-  prod: {
-    apps: "app-service.budibase.svc.cluster.local",
-    worker: "worker-service.budibase.svc.cluster.local",
-    minio: "minio-service.budibase.svc.cluster.local",
-    couchdb: "budibase-prod-svc-couchdb",
-    resolver: "kube-dns.kube-system.svc.cluster.local"
-  },
-  preprod: {
-    apps: "app-service.budibase.svc.cluster.local",
-    worker: "worker-service.budibase.svc.cluster.local",
-    minio: "minio-service.budibase.svc.cluster.local",
-    couchdb: "budibase-preprod-svc-couchdb",
-    resolver: "kube-dns.kube-system.svc.cluster.local"
-  },
-  release: {
-    apps: "app-service.budibase.svc.cluster.local",
-    worker: "worker-service.budibase.svc.cluster.local",
-    minio: "minio-service.budibase.svc.cluster.local",
-    couchdb: "budibase-release-svc-couchdb",
-    resolver: "kube-dns.kube-system.svc.cluster.local"
-  },
-  compose: {
-    apps: "app-service",
-    worker: "worker-service",
-    minio: "minio-service",
-    couchdb: "couchdb-service",
-    watchtower: "watchtower-service",
-    resolver: "127.0.0.11"
-  },
-}
-
-const Commands = {
-  Prod: "prod",
-  Preprod: "preprod",
-  Release: "release",
-  Compose: "compose",
-}
-
-async function init(managementCommand) {
-  const config = Configs[managementCommand]
-  const hostingPath = path.join(process.cwd(), "hosting")
-  const nginxHbsPath = path.join(hostingPath, "nginx.prod.conf.hbs")
-  const nginxOutputPath = path.join(
-    hostingPath,
-    "proxy",
-    ".generated-nginx.prod.conf"
-  )
-  const contents = fs.readFileSync(nginxHbsPath, "utf8")
-  fs.writeFileSync(nginxOutputPath, processStringSync(contents, config))
-}
-
-const managementCommand = process.argv.slice(2)[0]
-
-if (
-  !managementCommand ||
-  !Object.values(Commands).some(command => managementCommand === command)
-) {
-  throw new Error(
-    "You must supply either a 'compose', 'preprod' or 'prod' commmand to generate an NGINX config."
-  )
-}
-
-init(managementCommand)
-  .then(() => {
-    console.log("Done! 🎉")
-  })
-  .catch(err => {
-    console.error(
-      "Something went wrong while creating the nginx configuration",
-      err.message
-    )
-  })