github.com/waldiirawan/apm-agent-go/v2@v2.2.2/internal/apmcloudutil/aws_test.go (about)

     1  // Licensed to Elasticsearch B.V. under one or more contributor
     2  // license agreements. See the NOTICE file distributed with
     3  // this work for additional information regarding copyright
     4  // ownership. Elasticsearch B.V. licenses this file to you under
     5  // the Apache License, Version 2.0 (the "License"); you may
     6  // not use this file except in compliance with the License.
     7  // You may obtain a copy of the License at
     8  //
     9  //     http://www.apache.org/licenses/LICENSE-2.0
    10  //
    11  // Unless required by applicable law or agreed to in writing,
    12  // software distributed under the License is distributed on an
    13  // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    14  // KIND, either express or implied.  See the License for the
    15  // specific language governing permissions and limitations
    16  // under the License.
    17  
    18  package apmcloudutil
    19  
    20  import (
    21  	"context"
    22  	"net/http"
    23  	"net/http/httptest"
    24  	"testing"
    25  
    26  	"github.com/stretchr/testify/assert"
    27  
    28  	"github.com/waldiirawan/apm-agent-go/v2/model"
    29  )
    30  
    31  func TestAWSCloudMetadata(t *testing.T) {
    32  	srv, client := newAWSMetadataServer()
    33  	defer srv.Close()
    34  
    35  	for _, provider := range []Provider{Auto, AWS} {
    36  		var out model.Cloud
    37  		var logger testLogger
    38  		assert.True(t, provider.getCloudMetadata(context.Background(), client, &logger, &out))
    39  		assert.Zero(t, logger)
    40  		assert.Equal(t, model.Cloud{
    41  			Provider:         "aws",
    42  			Region:           "us-east-2",
    43  			AvailabilityZone: "us-east-2a",
    44  			Instance: &model.CloudInstance{
    45  				ID: "i-0ae894a7c1c4f2a75",
    46  			},
    47  			Machine: &model.CloudMachine{
    48  				Type: "t2.medium",
    49  			},
    50  			Account: &model.CloudAccount{
    51  				ID: "946960629917",
    52  			},
    53  		}, out)
    54  	}
    55  }
    56  
    57  func newAWSMetadataServer() (*httptest.Server, *http.Client) {
    58  	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
    59  		switch r.URL.Path {
    60  		case "/latest/api/token":
    61  			w.Write([]byte("topsecret"))
    62  			return
    63  		case "/latest/dynamic/instance-identity/document":
    64  			token := r.Header.Get("X-Aws-Ec2-Metadata-Token")
    65  			if token != "topsecret" {
    66  				w.WriteHeader(http.StatusBadRequest)
    67  				w.Write([]byte("invalid token"))
    68  				return
    69  			}
    70  			break
    71  		default:
    72  			w.WriteHeader(http.StatusNotFound)
    73  			return
    74  		}
    75  
    76  		w.Write([]byte(`{
    77      "accountId": "946960629917",
    78      "architecture": "x86_64",
    79      "availabilityZone": "us-east-2a",
    80      "billingProducts": null,
    81      "devpayProductCodes": null,
    82      "marketplaceProductCodes": null,
    83      "imageId": "ami-07c1207a9d40bc3bd",
    84      "instanceId": "i-0ae894a7c1c4f2a75",
    85      "instanceType": "t2.medium",
    86      "kernelId": null,
    87      "pendingTime": "2020-06-12T17:46:09Z",
    88      "privateIp": "172.31.0.212",
    89      "ramdiskId": null,
    90      "region": "us-east-2",
    91      "version": "2017-09-30"
    92  }`))
    93  	}))
    94  
    95  	client := &http.Client{Transport: newTargetedRoundTripper("169.254.169.254", srv.Listener.Addr().String())}
    96  	return srv, client
    97  }