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// the Apache License, Version 2.0 (the "License"); you may
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// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

package add_cloud_metadata

import (
	"github.com/elastic/beats/libbeat/common"
	s "github.com/elastic/beats/libbeat/common/schema"
	c "github.com/elastic/beats/libbeat/common/schema/mapstriface"
)

// Azure VM Metadata Service
var azureVMMetadataFetcher = provider{
	Name: "azure-compute",

	Local: true,

	Create: func(_ string, config *common.Config) (metadataFetcher, error) {
		azMetadataURI := "/metadata/instance/compute?api-version=2017-04-02"
		azHeaders := map[string]string{"Metadata": "true"}
		azSchema := func(m map[string]interface{}) common.MapStr {
			out, _ := s.Schema{
				"instance": s.Object{
					"id":   c.Str("vmId"),
					"name": c.Str("name"),
				},
				"machine": s.Object{
					"type": c.Str("vmSize"),
				},
				"region": c.Str("location"),
			}.Apply(m)
			return out
		}

		fetcher, err := newMetadataFetcher(config, "az", azHeaders, metadataHost, azSchema, azMetadataURI)
		return fetcher, err
	},
}
