Scripting: Remove deprecated params.ctx (#36848)

When the script contexts were created in 6, the use of params.ctx was
deprecated. This commit cleans up that code and ensures that params.ctx
is null in both watcher script contexts.

Relates: #34059

Author: hub-cap

server/src/main/java/org/elasticsearch/script/UpdateScript.java

@@ -20,8 +20,6 @@
 
 package org.elasticsearch.script;
 
-import java.util.Collections;
-import java.util.HashMap;
 import java.util.Map;
 
 /**
@@ -31,17 +29,6 @@ public abstract class UpdateScript {
 
     public static final String[] PARAMETERS = { };
 
-    private static final Map<String, String> DEPRECATIONS;
-    static {
-        Map<String, String> deprecations = new HashMap<>();
-        deprecations.put(
-            "ctx",
-            "Accessing variable [ctx] via [params.ctx] from within a update script " +
-                "is deprecated in favor of directly accessing [ctx]."
-        );
-        DEPRECATIONS = Collections.unmodifiableMap(deprecations);
-    }
-
     /** The context used to compile {@link UpdateScript} factories. */
     public static final ScriptContext<Factory> CONTEXT = new ScriptContext<>("update", Factory.class);
 
@@ -52,9 +39,7 @@ public abstract class UpdateScript {
     private final Map<String, Object> ctx;
 
     public UpdateScript(Map<String, Object> params, Map<String, Object> ctx) {
-        Map<String, Object> paramsWithCtx = new HashMap<>(params);
-        paramsWithCtx.put("ctx", ctx);
-        this.params = new ParameterMap(paramsWithCtx, DEPRECATIONS);
+        this.params = params;
         this.ctx = ctx;
     }
 

x-pack/plugin/watcher/src/main/java/org/elasticsearch/xpack/watcher/condition/WatcherConditionScript.java

@@ -5,43 +5,26 @@
  */
 package org.elasticsearch.xpack.watcher.condition;
 
-import org.elasticsearch.script.ParameterMap;
 import org.elasticsearch.script.ScriptContext;
 import org.elasticsearch.xpack.core.watcher.execution.WatchExecutionContext;
 import org.elasticsearch.xpack.watcher.support.Variables;
 
-import java.util.Collections;
-import java.util.HashMap;
 import java.util.Map;
 
 /**
  * A script to determine whether a watch should be run.
  */
 public abstract class WatcherConditionScript {
-    public static final String[] PARAMETERS = {};
-
-    private static final Map<String, String> DEPRECATIONS;
 
-    static {
-        Map<String, String> deprecations = new HashMap<>();
-        deprecations.put(
-            "ctx",
-            "Accessing variable [ctx] via [params.ctx] from within a watcher_condition script " +
-                "is deprecated in favor of directly accessing [ctx]."
-        );
-        DEPRECATIONS = Collections.unmodifiableMap(deprecations);
-    }
+    public static final String[] PARAMETERS = {};
 
     private final Map<String, Object> params;
     // TODO: ctx should have its members extracted into execute parameters, but it needs to be a member for bwc access in params
     private final Map<String, Object> ctx;
 
     public WatcherConditionScript(Map<String, Object> params, WatchExecutionContext watcherContext) {
-        Map<String, Object> paramsWithCtx = new HashMap<>(params);
-        Map<String, Object> ctx = Variables.createCtx(watcherContext, watcherContext.payload());
-        paramsWithCtx.put("ctx", ctx);
-        this.params = new ParameterMap(Collections.unmodifiableMap(paramsWithCtx), DEPRECATIONS);
-        this.ctx = ctx;
+        this.params = params;
+        this.ctx = Variables.createCtx(watcherContext, watcherContext.payload());
     }
 
     public abstract boolean execute();

x-pack/plugin/watcher/src/main/java/org/elasticsearch/xpack/watcher/transform/script/WatcherTransformScript.java

@@ -5,44 +5,27 @@
  */
 package org.elasticsearch.xpack.watcher.transform.script;
 
-import org.elasticsearch.script.ParameterMap;
 import org.elasticsearch.script.ScriptContext;
 import org.elasticsearch.xpack.core.watcher.execution.WatchExecutionContext;
 import org.elasticsearch.xpack.core.watcher.watch.Payload;
 import org.elasticsearch.xpack.watcher.support.Variables;
 
-import java.util.Collections;
-import java.util.HashMap;
 import java.util.Map;
 
 /**
  * A script to transform the results of a watch execution.
  */
 public abstract class WatcherTransformScript {
-    public static final String[] PARAMETERS = {};
-
-    private static final Map<String, String> DEPRECATIONS;
 
-    static {
-        Map<String, String> deprecations = new HashMap<>();
-        deprecations.put(
-            "ctx",
-            "Accessing variable [ctx] via [params.ctx] from within a watcher_transform script " +
-                "is deprecated in favor of directly accessing [ctx]."
-        );
-        DEPRECATIONS = Collections.unmodifiableMap(deprecations);
-    }
+    public static final String[] PARAMETERS = {};
 
     private final Map<String, Object> params;
     // TODO: ctx should have its members extracted into execute parameters, but it needs to be a member bwc access in params
     private final Map<String, Object> ctx;
 
     public WatcherTransformScript(Map<String, Object> params, WatchExecutionContext watcherContext, Payload payload) {
-        Map<String, Object> paramsWithCtx = new HashMap<>(params);
-        Map<String, Object> ctx = Variables.createCtx(watcherContext, payload);
-        paramsWithCtx.put("ctx", ctx);
-        this.params = new ParameterMap(Collections.unmodifiableMap(paramsWithCtx), DEPRECATIONS);
-        this.ctx = ctx;
+        this.params = params;
+        this.ctx = Variables.createCtx(watcherContext, payload);
     }
 
     public abstract Object execute();

x-pack/plugin/watcher/src/test/java/org/elasticsearch/xpack/watcher/condition/ScriptConditionTests.java

@@ -30,18 +30,14 @@
 import org.elasticsearch.test.ESTestCase;
 import org.elasticsearch.xpack.core.watcher.condition.ExecutableCondition;
 import org.elasticsearch.xpack.core.watcher.execution.WatchExecutionContext;
-import org.elasticsearch.xpack.core.watcher.execution.Wid;
-import org.elasticsearch.xpack.core.watcher.trigger.TriggerEvent;
 import org.elasticsearch.xpack.core.watcher.watch.Payload;
-import org.elasticsearch.xpack.core.watcher.watch.Watch;
 import org.elasticsearch.xpack.watcher.test.AbstractWatcherIntegrationTestCase;
 import org.elasticsearch.xpack.watcher.test.WatcherMockScriptPlugin;
 import org.joda.time.DateTime;
 import org.joda.time.DateTimeZone;
 import org.junit.Before;
 
 import java.io.IOException;
-import java.util.Collections;
 import java.util.Date;
 import java.util.HashMap;
 import java.util.Map;
@@ -54,8 +50,6 @@
 import static org.elasticsearch.xpack.watcher.test.WatcherTestUtils.mockExecutionContext;
 import static org.hamcrest.Matchers.containsString;
 import static org.hamcrest.Matchers.is;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.when;
 
 public class ScriptConditionTests extends ESTestCase {
 
@@ -206,25 +200,6 @@ public void testScriptConditionAccessCtx() throws Exception {
         assertThat(condition.execute(ctx).met(), is(true));
     }
 
-    public void testParamsCtxDeprecated() throws Exception {
-        WatchExecutionContext watcherContext = mock(WatchExecutionContext.class);
-        when(watcherContext.id()).thenReturn(mock(Wid.class));
-        when(watcherContext.watch()).thenReturn(mock(Watch.class));
-        when(watcherContext.triggerEvent()).thenReturn(mock(TriggerEvent.class));
-        DateTime now = DateTime.now(DateTimeZone.UTC);
-        when(watcherContext.executionTime()).thenReturn(now);
-        WatcherConditionScript watcherScript = new WatcherConditionScript(Collections.emptyMap(), watcherContext) {
-            @Override
-            public boolean execute() {
-                assertThat(getParams().get("ctx"), is(getCtx()));
-                return true;
-            }
-        };
-        watcherScript.execute();
-        assertWarnings("Accessing variable [ctx] via [params.ctx] from within a watcher_condition script " +
-            "is deprecated in favor of directly accessing [ctx].");
-    }
-
     private static XContentBuilder createConditionContent(String script, String scriptLang, ScriptType scriptType) throws IOException {
         XContentBuilder builder = jsonBuilder();
         if (scriptType == null) {

x-pack/plugin/watcher/src/test/java/org/elasticsearch/xpack/watcher/transform/script/ScriptTransformTests.java

@@ -16,14 +16,9 @@
 import org.elasticsearch.script.ScriptType;
 import org.elasticsearch.test.ESTestCase;
 import org.elasticsearch.xpack.core.watcher.execution.WatchExecutionContext;
-import org.elasticsearch.xpack.core.watcher.execution.Wid;
 import org.elasticsearch.xpack.core.watcher.transform.Transform;
-import org.elasticsearch.xpack.core.watcher.trigger.TriggerEvent;
 import org.elasticsearch.xpack.core.watcher.watch.Payload;
-import org.elasticsearch.xpack.core.watcher.watch.Watch;
 import org.elasticsearch.xpack.watcher.Watcher;
-import org.joda.time.DateTime;
-import org.joda.time.DateTimeZone;
 
 import java.util.Collections;
 import java.util.HashMap;
@@ -188,25 +183,6 @@ public void testScriptConditionParserBadLang() throws Exception {
         assertThat(e.getMessage(), containsString("script_lang not supported [not_a_valid_lang]"));
     }
 
-    public void testParamsCtxDeprecated() throws Exception {
-        WatchExecutionContext watcherContext = mock(WatchExecutionContext.class);
-        when(watcherContext.id()).thenReturn(mock(Wid.class));
-        when(watcherContext.watch()).thenReturn(mock(Watch.class));
-        when(watcherContext.triggerEvent()).thenReturn(mock(TriggerEvent.class));
-        DateTime now = DateTime.now(DateTimeZone.UTC);
-        when(watcherContext.executionTime()).thenReturn(now);
-        Payload payload = mock(Payload.class);
-        WatcherTransformScript watcherScript = new WatcherTransformScript(Collections.emptyMap(), watcherContext, payload) {
-            @Override
-            public Object execute() {
-                return getParams().get("ctx");
-            }
-        };
-        assertThat(watcherScript.execute(), is(watcherScript.getCtx()));
-        assertWarnings("Accessing variable [ctx] via [params.ctx] from within a watcher_transform script " +
-            "is deprecated in favor of directly accessing [ctx].");
-    }
-
     static String scriptTypeField(ScriptType type) {
         switch (type) {
             case INLINE: return "source";