lensesio · jglambed · May 23, 2019 · May 23, 2019
diff --git a/README.md b/README.md
@@ -70,7 +70,8 @@ var clusters = [
        NAME:"prod",
        // Schema Registry service URL (i.e. http://localhost:8081)
        SCHEMA_REGISTRY: "http://localhost:8081", // https://schema-registry.demo.landoop.com
-       COLOR: "#141414" // optional
+       COLOR: "#141414", // optional
+       readonlyMode: true // optional
      },
      {
        NAME:"dev",
@@ -86,6 +87,7 @@ var clusters = [
 * Use `allowGlobalConfigChanges` to enable configuring Global Compatibility Level from the UI.
 * Use `allowTransitiveCompatibilities` to enable transitive compatibility levels. This is supported in SR >= 3.1.1
 * Use `allowSchemaDeletion` to enable schema deletion from the UI. This is supported in SR >= 3.3.0
+* Use `readonlyMode` to prevent any configuration or schema changes from the UI. It overwrites the previous parameters (`allowGlobalConfigChanges`, `allowSchemaDeletion`).
 
 ## Changelog
 [Here](https://github.com/Landoop/schema-registry-ui/wiki/Changelog)

diff --git a/docker/README.md b/docker/README.md
@@ -19,22 +19,29 @@ Visit http://localhost:8000 to see the UI.
 
 ### Advanced Settings
 
-Three of the Schema Registry UI settings need to be enabled explicitly. These
+Four of the Schema Registry UI settings need to be enabled explicitly. These
 are:
 
 1. Support for global compatibility level configuration support —i.e change the
    default compatibility level of your schema registry.
 2. Support for transitive compatibility levels (Schema Registry version 3.1.1 or better).
 3. Support for Schema deletion (Schema Registry version 3.3.0 or better).
+4. Support for readonly mode (overwrites settings for global compatibility configuration and schema deletion)
 
-They are handled by the `ALLOW_GLOBAL`, `ALLOW_TRANSITIVE` and `ALLOW_DELETION`
+They are handled by the `ALLOW_GLOBAL`, `ALLOW_TRANSITIVE`, `ALLOW_DELETION` and `READONLY_MODE`
 environment variables. E.g:
 
     docker run --rm -p 8000:8000 \
                -e "SCHEMAREGISTRY_URL=http://schema.registry.url" \
                -e ALLOW_GLOBAL=1 \
                -e ALLOW_TRANSITIVE=1 \
                -e ALLOW_DELETION=1 \
+               -e READONLY_MODE=1 \
+               landoop/schema-registry-ui
+
+    docker run --rm -p 8000:8000 \
+               -e "SCHEMAREGISTRY_URL=http://schema.registry.url" \
+               -e READONLY_MODE=1 \
                landoop/schema-registry-ui
 
 ### Proxying Schema Registry
@@ -71,6 +78,7 @@ You can control most of Kafka Topics UI settings via environment variables:
  * `ALLOW_GLOBAL=[true|false]` (default false)
  * `ALLOW_TRANSITIVE=[true|false]` (default false)
  * `ALLOW_DELETION=[true|false]` (default false).
+ * `READONLY_MODE=[true|false]` (default false).
 
 ## Docker Options
 

diff --git a/docker/run.sh b/docker/run.sh
@@ -5,6 +5,7 @@ INSECURE_PROXY=""
 ALLOW_GLOBAL="${ALLOW_GLOBAL:-false}"
 ALLOW_TRANSITIVE="${ALLOW_TRANSITIVE:-false}"
 ALLOW_DELETION="${ALLOW_DELETION:-false}"
+READONLY_MODE="${READONLY_MODE:-false}"
 CADDY_OPTIONS="${CADDY_OPTIONS:-}"
 RELATIVE_PROXY_URL="${RELATIVE_PROXY_URL:-false}"
 PORT="${PORT:-8000}"
@@ -55,6 +56,11 @@ EOF
         echo "Enabling schema deletion support."
     fi
 
+    if echo "$READONLY_MODE" | egrep -sq "true|TRUE|y|Y|yes|YES|1"; then
+        READONLY_SETTING=",readonlyMode: true"
+        echo "Enabling readonly mode."
+    fi
+
     if [[ -z "$SCHEMAREGISTRY_URL" ]]; then
         echo "Schema Registry URL was not set via SCHEMAREGISTRY_URL environment variable."
     else
@@ -67,6 +73,7 @@ var clusters = [
      $GLOBAL_SETTING
      $TRANSITIVE_SETTING
      $DELETION_SETTING
+     $READONLY_SETTTING
    }
 ]
 EOF

diff --git a/env.js b/env.js
@@ -3,7 +3,8 @@ var clusters = [
     NAME: "prod",
     // Schema Registry service URL (i.e. http://localhost:8081)
     SCHEMA_REGISTRY: "http://localhost:8081", // https://schema-registry.demo.landoop.com
-    COLOR: "#141414" // optional
+    COLOR: "#141414", // optional
+    readonlyMode: true // optional
   },
   {
     NAME: "dev",

diff --git a/src/factories/env-factory.js b/src/factories/env-factory.js
@@ -17,8 +17,9 @@ var envFactory = function ($rootScope) {
     COLOR : function () { return selectedCluster.COLOR; },
     allowGlobalConfigChanges : function () { return selectedCluster.allowGlobalConfigChanges; },
     allowTransitiveCompatibilities: function () { return selectedCluster.allowTransitiveCompatibilities; },
-    allowSchemaDeletion: function () { return selectedCluster.allowSchemaDeletion; }
-    };
+    allowSchemaDeletion: function () { return selectedCluster.allowSchemaDeletion; },
+    readonlyMode: function() { return selectedCluster.readonlyMode; }
+  };
 
   function setCluster(clusterName) {
     if(clusterArray.length === 0) {
@@ -36,4 +37,4 @@ var envFactory = function ($rootScope) {
 
 envFactory.$inject = ['$rootScope'];
 
-angularAPP.factory('env', envFactory);
+angularAPP.factory('env', envFactory);
diff --git a/src/schema-registry/config/config.controller.js b/src/schema-registry/config/config.controller.js
@@ -21,7 +21,7 @@ var SchemaRegistryConfigCtrl = function ($scope, $http, $log, $mdDialog, SchemaR
 
     SchemaRegistryFactory.getGlobalConfig().then(
       function success(config) {
-        $scope.allowChanges = env.allowGlobalConfigChanges();
+        $scope.allowChanges = !env.readonlyMode() && env.allowGlobalConfigChanges();
         $scope.config = config;
         $scope.connectionFailure = false;
         $scope.form = $scope.config.compatibilityLevel;

diff --git a/src/schema-registry/view/view.controller.js b/src/schema-registry/view/view.controller.js
@@ -26,6 +26,7 @@ var SubjectsCtrl = function ($rootScope, $scope, $route, $routeParams, $log, $lo
     }
   );
   $scope.allowSchemaDeletion = env.allowSchemaDeletion();
+  $scope.readonlyMode = env.readonlyMode();
   $scope.allowTransitiveCompatibilities = env.allowTransitiveCompatibilities();
 
   $scope.$watch(function () {

diff --git a/src/schema-registry/view/view.html b/src/schema-registry/view/view.html
@@ -71,20 +71,20 @@ <h3 class="md-toolbar-tools" style="margin-top:10px;text-align:center;" hide-gt-
     <div class="buttonGroup" ng-hide="hideEdit" ng-if="aceReady && !showDeleteConfirmation"  >
 
         <!-- When in non-editable state, display the EDIT button -->
-        <md-button ng-show="!isAvroAceEditable" ng-click="toggleEditor();"
+        <md-button ng-show="!isAvroAceEditable" ng-click="toggleEditor();" ng-if="!readonlyMode"
            aria-label="EDIT"
            aria-hidden="false">
           <i class="fa fa-pencil-square-o ng-scope" aria-hidden="true"></i>
             EDIT
         </md-button>
         <!-- When in edit-state, display the CANCEL button -->
-        <md-button ng-show="isAvroAceEditable" ng-click="cancelEditor();"
+        <md-button ng-show="isAvroAceEditable && !readonlyMode" ng-click="cancelEditor();"
             type="button" aria-label="CANCEL"
            aria-hidden="false">
           <i class="fa fa-ban ng-scope" aria-hidden="true"></i>
             CANCEL
         </md-button>
-        <md-menu d-position-mode="target-right target" ng-if="!isAvroAceEditable && allowSchemaDeletion">
+        <md-menu d-position-mode="target-right target" ng-if="!isAvroAceEditable && allowSchemaDeletion && !readonlyMode">
           <md-button ng-click="$mdOpenMenu($event)">
               <i class="fa fa-trash" aria-hidden="true"></i>
             DELETE
@@ -269,7 +269,7 @@ <h3 class="md-toolbar-tools" style="margin-top:10px;text-align:center;" hide-gt-
           </md-content>
         </md-tab-body>
       </md-tab>
-      <md-tab md-on-select="hideEdit = true;">
+      <md-tab md-on-select="hideEdit = true;" ng-if="!readonlyMode">
         <md-tab-label>
           Config
           <!--<i class="fa fa-file-text-o" style="padding-right:10px;" aria-hidden="true"></i> Schema-->
@@ -325,4 +325,4 @@ <h5>Version 1 <span
     </md-tabs>
   </md-content>
   <!--old code ends here-->
-</md-card>
+</md-card>