ingest: Made the response format of the get pipeline api match with the response format of the index template api

Closes #19585

Author: martijnvg

core/src/main/java/org/elasticsearch/action/ingest/GetPipelineResponse.java

@@ -76,11 +76,9 @@ public RestStatus status() {
 
     @Override
     public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
-        builder.startArray("pipelines");
         for (PipelineConfiguration pipeline : pipelines) {
-            pipeline.toXContent(builder, params);
+            builder.field(pipeline.getId(), pipeline.getConfigAsMap());
         }
-        builder.endArray();
         return builder;
     }
 }

docs/reference/ingest/ingest-node.asciidoc

@@ -71,20 +71,17 @@ Example response:
 [source,js]
 --------------------------------------------------
 {
-  "pipelines": [ {
-    "id": "my-pipeline-id",
-    "config": {
-      "description": "describe pipeline",
-      "processors": [
-        {
-          "set" : {
-            "field": "foo",
-            "value": "bar"
-          }
+  "my-pipeline-id" : {
+    "description" : "describe pipeline",
+    "processors" : [
+      {
+        "set" : {
+          "field" : "foo",
+          "value" : "bar"
         }
-      ]
-    }
-  } ]
+      }
+    ]
+  }
 }
 --------------------------------------------------
 // TESTRESPONSE

modules/ingest-common/src/test/resources/rest-api-spec/test/ingest/20_crud.yaml

@@ -35,13 +35,11 @@ teardown:
   - do:
       ingest.get_pipeline:
         id: "my_pipeline"
-  - match: { pipelines.0.id: "my_pipeline" }
-  - match: { pipelines.0.config.description: "_description" }
+  - match: { my_pipeline.description: "_description" }
 
   - do:
       ingest.get_pipeline: {}
-  - match: { pipelines.0.id: "my_pipeline" }
-  - match: { pipelines.0.config.description: "_description" }
+  - match: { my_pipeline.description: "_description" }
 
   - do:
       ingest.delete_pipeline:
@@ -54,7 +52,7 @@ teardown:
         id: "my_pipeline"
 
 ---
-"Test Get All Pipelines (unordered)":
+"Test Get All Pipelines":
   - do:
       ingest.put_pipeline:
         id: "first_pipeline"
@@ -79,11 +77,10 @@ teardown:
             "processors": []
           }
 
-  # Order is not guaranteed by the response, so we check for length instead; above tests that we get appropriate values
   - do:
       ingest.get_pipeline: {}
-  - length: { pipelines: 2 }
-
+  - match: { first_pipeline.description: "first" }
+  - match: { second_pipeline.description: "second" }
 
 ---
 "Test invalid config":
@@ -155,8 +152,7 @@ teardown:
   - do:
       ingest.get_pipeline:
         id: "my_pipeline"
-  - match: { pipelines.0.id: "my_pipeline" }
-  - match: { pipelines.0.config.description: "_description" }
+  - match: { my_pipeline.description: "_description" }
 
   - do:
       ingest.delete_pipeline:

qa/smoke-test-ingest-disabled/src/test/resources/rest-api-spec/test/ingest_mustache/10_ingest_disabled.yaml

@@ -20,8 +20,7 @@
   - do:
       ingest.get_pipeline:
         id: "my_pipeline"
-  - match: { pipelines.0.id: "my_pipeline" }
-  - match: { pipelines.0.config.description: "_description" }
+  - match: { my_pipeline.description: "_description" }
 
   - do:
       ingest.delete_pipeline:

rest-api-spec/src/main/resources/rest-api-spec/test/ingest/10_basic.yaml

@@ -14,8 +14,7 @@
   - do:
       ingest.get_pipeline:
         id: "my_pipeline"
-  - match: { pipelines.0.id: "my_pipeline" }
-  - match: { pipelines.0.config.description: "_description" }
+  - match: { my_pipeline.description: "_description" }
 
   - do:
       ingest.delete_pipeline:
@@ -27,6 +26,30 @@
       ingest.get_pipeline:
         id: "my_pipeline"
 
+---
+"Test Get All Pipelines":
+  - do:
+      ingest.put_pipeline:
+        id: "first_pipeline"
+        body:  >
+          {
+            "description": "first",
+            "processors": []
+          }
+  - do:
+      ingest.put_pipeline:
+        id: "second_pipeline"
+        body:  >
+          {
+            "description": "second",
+            "processors": []
+          }
+
+  - do:
+      ingest.get_pipeline: {}
+  - match: { first_pipeline.description: "first" }
+  - match: { second_pipeline.description: "second" }
+
 ---
 "Test invalid config":
   - do:
@@ -36,10 +59,6 @@
         body:  >
           {
             "description": "_description",
-            "processors": [
-              {
-                "set" : {
-                }
-              }
-            ]
+            "processors": [],
+            "invalid_field" : {}
           }