Monitoring: Add REST test for monitoring bulk endpoint

Original commit: elastic/x-pack-elasticsearch@52166aec1f

elasticsearch/x-pack/marvel/src/test/resources/rest-api-spec/api/monitoring.bulk.json

@@ -0,0 +1,35 @@
+{
+  "monitoring.bulk": {
+    "documentation": "http://www.elastic.co/guide/en/marvel/current/appendix-api-bulk.html",
+    "methods": ["POST", "PUT"],
+    "url": {
+      "path": "/_x-pack/monitoring/_bulk",
+      "paths": ["/_x-pack/monitoring/_bulk", "/_x-pack/monitoring/{index}/_bulk", "/_x-pack/monitoring/{index}/{type}/_bulk"],
+      "parts": {
+        "index": {
+          "type" : "string",
+          "description" : "Default index for items which don't provide one"
+        },
+        "type": {
+          "type" : "string",
+          "description" : "Default document type for items which don't provide one"
+        }
+      },
+      "params": {
+        "system_id": {
+          "type": "string",
+          "description" : "Identifier of the monitored system"
+        },
+        "system_version" : {
+          "type" : "string",
+          "description" : "Version of the monitored system"
+        }
+      }
+    },
+    "body": {
+      "description" : "The operation definition and data (action-data pairs), separated by newlines",
+      "required" : true,
+      "serialize" : "bulk"
+    }
+  }
+}

elasticsearch/x-pack/marvel/src/test/resources/rest-api-spec/test/monitoring/bulk/10_basic.yaml

@@ -0,0 +1,78 @@
+---
+"Bulk indexing of monitoring data":
+  # Get the current version
+  - do: {info: {}}
+  - set: {version.number: version}
+
+  - do:
+      monitoring.bulk:
+        system_id:      "kibana"
+        system_version: $version
+        body:
+          - index:
+              _type:  test_type
+          - avg-cpu:
+              user:   13.26
+              nice:   0.17
+              system: 1.51
+              iowait: 0.85
+              idle:   84.20
+              
+          - index:
+              _type:  test_type
+          - avg-cpu:
+              user:   13.23
+              nice:   0.17
+              system: 1.51
+              iowait: 0.85
+              idle:   84.24
+
+  - is_false: errors
+
+  - do:
+      indices.refresh: {}
+
+  - do:
+      count:
+        index: .monitoring-kibana-*
+
+  - match: {count: 2}
+
+---
+"Bulk indexing of monitoring data using default type":
+  # Get the current version
+  - do: {info: {}}
+  - set: {version.number: version}
+
+  - do:
+      monitoring.bulk:
+        system_id:      "kibana"
+        system_version: $version
+        index: "default_index"
+        type: "default_type"
+        body:
+          - '{"index": {}}'
+          - '{"field_1": "value_1"}'
+          - '{"index": {"_type": "test_type"}}'
+          - '{"field_1": "value_2"}'
+          - '{"index": {}}'
+          - '{"field_1": "value_3"}'
+
+  - is_false: errors
+
+  - do:
+      indices.refresh: {}
+
+  - do:
+      search:
+        index: .monitoring-kibana-*
+        type:  default_type
+
+  - match: { hits.total: 2 }
+
+  - do:
+      search:
+        index: .monitoring-kibana-*
+        type:  test_type
+
+  - match: { hits.total: 1 }