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//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
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// specific language governing permissions and limitations
// under the License.

package add_cloud_metadata

import "github.com/elastic/beats/v7/libbeat/common"

// Tencent Cloud Metadata Service
// Document https://www.qcloud.com/document/product/213/4934
var qcloudMetadataFetcher = provider{
	Name: "tencent-qcloud",

	Local: false,

	Create: func(_ string, c *common.Config) (metadataFetcher, error) {
		qcloudMetadataHost := "metadata.tencentyun.com"
		qcloudMetadataInstanceIDURI := "/meta-data/instance-id"
		qcloudMetadataRegionURI := "/meta-data/placement/region"
		qcloudMetadataZoneURI := "/meta-data/placement/zone"

		qcloudSchema := func(m map[string]interface{}) common.MapStr {
			return common.MapStr(m)
		}

		urls, err := getMetadataURLs(c, qcloudMetadataHost, []string{
			qcloudMetadataInstanceIDURI,
			qcloudMetadataRegionURI,
			qcloudMetadataZoneURI,
		})
		if err != nil {
			return nil, err
		}
		responseHandlers := map[string]responseHandler{
			urls[0]: func(all []byte, result *result) error {
				result.metadata.Put("instance.id", string(all))
				return nil
			},
			urls[1]: func(all []byte, result *result) error {
				result.metadata["region"] = string(all)
				return nil
			},
			urls[2]: func(all []byte, result *result) error {
				result.metadata["availability_zone"] = string(all)
				return nil
			},
		}
		fetcher := &httpMetadataFetcher{"qcloud", nil, responseHandlers, qcloudSchema}
		return fetcher, nil
	},
}
