fix: add support for multiple hostnames (#55)

Author: stasadev

README.md

@@ -26,6 +26,9 @@ Then restart your project
 ddev restart
 ```
 
+> [!NOTE]
+> If you change `additional_hostnames` or `additional_fqdns`, you have to re-run `ddev add-on get ddev/ddev-selenium-standalone-chrome`
+
 ### Optional steps
 
 1. Update the provided `.ddev/config.selenium-standalone-chrome.yaml` as you see fit (and remove the #ddev-generated line). You can also just override lines in your `.ddev/config.yaml`

docker-compose.selenium-chrome.yaml

@@ -17,8 +17,6 @@ services:
       - HTTPS_EXPOSE=7900:7900
       - HTTP_EXPOSE=7910:7900
       - VNC_NO_PASSWORD=1
-    external_links:
-      - ddev-router:${DDEV_SITENAME}.${DDEV_TLD}
     # To enable VNC access for traditional VNC clients like macOS "Screen Sharing",
     # uncomment the following two lines.
     #ports:

install.yaml

@@ -1,8 +1,38 @@
 name: ddev-selenium-standalone-chrome
-pre_install_actions:
+
 project_files:
 - docker-compose.selenium-chrome.yaml
 - config.selenium-standalone-chrome.yaml
-global_files:
+
 post_install_actions:
-yaml_read_files:
+  - |
+    #ddev-nodisplay
+    #ddev-description:Checking docker-compose.selenium-chrome_extras.yaml for changes
+    if [ -f docker-compose.selenium-chrome_extras.yaml ] && ! grep -q '#ddev-generated' docker-compose.selenium-chrome_extras.yaml; then
+      echo "Existing docker-compose.selenium-chrome_extras.yaml does not have #ddev-generated, so can't be updated"
+      exit 2
+    fi
+  - |
+    #ddev-nodisplay
+    #ddev-description:Adding all hostnames to the selenium-chrome container to make them available
+    cat <<-END >docker-compose.selenium-chrome_extras.yaml
+    #ddev-generated
+    services:
+      selenium-chrome:
+        external_links:
+        {{- $selenium_chrome_hostnames := splitList "," (env "DDEV_HOSTNAME") -}}
+        {{- range $i, $n := $selenium_chrome_hostnames }}
+          - "ddev-router:{{- replace (env "DDEV_TLD") "\\${DDEV_TLD}" (replace (env "DDEV_PROJECT") "\\${DDEV_PROJECT}" $n) -}}"
+        {{- end }}
+    END
+removal_actions:
+  - |
+    #ddev-nodisplay
+    #ddev-description:Remove docker-compose.selenium-chrome_extras.yaml file
+    if [ -f docker-compose.selenium-chrome_extras.yaml ]; then
+      if grep -q '#ddev-generated' docker-compose.selenium-chrome_extras.yaml; then
+        rm -f docker-compose.selenium-chrome_extras.yaml
+      else
+        echo "Unwilling to remove '$DDEV_APPROOT/.ddev/docker-compose.selenium-chrome_extras.yaml' because it does not have #ddev-generated in it; you can manually delete it if it is safe to delete."
+      fi
+    fi