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Add support for detecting MIG attributes on GCE VMs #6538

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Add support for detecting MIG attributes on GCE VMs #6538

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26 changes: 26 additions & 0 deletions detectors/gcp/detector.go
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Original file line number Diff line number Diff line change
Expand Up @@ -86,6 +86,7 @@ func (d *detector) Detect(ctx context.Context) (*resource.Resource, error) {
b.add(semconv.HostNameKey, d.detector.GCEHostName)
b.add(semconv.GCPGceInstanceNameKey, d.detector.GCEInstanceName)
b.add(semconv.GCPGceInstanceHostnameKey, d.detector.GCEInstanceHostname)
b.addMIG(d.detector.GCEManagedInstanceGroup)
default:
// We don't support this platform yet, so just return with what we have
}
Expand Down Expand Up @@ -144,6 +145,31 @@ func (r *resourceBuilder) addZoneOrRegion(detect func() (string, gcp.LocationTyp
}
}

var (
// TODO: semconv.GCPGceInstanceGroupManagerNameKey
gcpGceInstanceGroupManagerNameKey = attribute.Key("gcp.gce.instance_group_manager.name")
// TODO: semconv.GCPGceInstanceGroupManagerZoneKey
gcpGceInstanceGroupManagerZoneKey = attribute.Key("gcp.gce.instance_group_manager.zone")
// TODO: semconv.GCPGceInstanceGroupManagerRegionKey
gcpGceInstanceGroupManagerRegionKey = attribute.Key("gcp.gce.instance_group_manager.region")
)

func (r *resourceBuilder) addMIG(detect func() (gcp.ManagedInstanceGroup, error)) {
if mig, err := detect(); err == nil {
if mig.Name != "" {
r.attrs = append(r.attrs, gcpGceInstanceGroupManagerNameKey.String(mig.Name))
}
switch mig.Type {
case gcp.Zone:
r.attrs = append(r.attrs, gcpGceInstanceGroupManagerZoneKey.String(mig.Location))
case gcp.Region:
r.attrs = append(r.attrs, gcpGceInstanceGroupManagerRegionKey.String(mig.Location))
}
} else {
r.errs = append(r.errs, err)
}
}

func (r *resourceBuilder) build() (*resource.Resource, error) {
var err error
if len(r.errs) > 0 {
Expand Down
74 changes: 74 additions & 0 deletions detectors/gcp/detector_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -87,6 +87,72 @@ func TestDetect(t *testing.T) {
semconv.CloudAvailabilityZone("us-central1-c"),
),
},
{
desc: "GCE with zonal MIG",
detector: &detector{detector: &fakeGCPDetector{
projectID: "my-project",
cloudPlatform: gcp.GCE,
gceHostID: "1472385723456792345",
gceHostName: "my-gke-node-1234",
gceHostType: "n1-standard1",
gceAvailabilityZone: "us-central1-c",
gceRegion: "us-central1",
gcpGceInstanceName: "my-gke-node-1234",
gcpGceInstanceHostname: "hostname",
managedInstanceGroup: gcp.ManagedInstanceGroup{
Name: "my-instance-group",
Location: "us-central1-c",
Type: gcp.Zone,
},
}},
expectedResource: resource.NewWithAttributes(semconv.SchemaURL,
semconv.CloudProviderGCP,
semconv.CloudAccountID("my-project"),
semconv.CloudPlatformGCPComputeEngine,
semconv.HostID("1472385723456792345"),
semconv.HostName("my-gke-node-1234"),
semconv.GCPGceInstanceNameKey.String("my-gke-node-1234"),
semconv.GCPGceInstanceHostnameKey.String("hostname"),
semconv.HostType("n1-standard1"),
semconv.CloudRegion("us-central1"),
semconv.CloudAvailabilityZone("us-central1-c"),
gcpGceInstanceGroupManagerNameKey.String("my-instance-group"),
gcpGceInstanceGroupManagerZoneKey.String("us-central1-c"),
),
},
{
desc: "GCE with regional MIG",
detector: &detector{detector: &fakeGCPDetector{
projectID: "my-project",
cloudPlatform: gcp.GCE,
gceHostID: "1472385723456792345",
gceHostName: "my-gke-node-1234",
gceHostType: "n1-standard1",
gceAvailabilityZone: "us-central1-c",
gceRegion: "us-central1",
gcpGceInstanceName: "my-gke-node-1234",
gcpGceInstanceHostname: "hostname",
managedInstanceGroup: gcp.ManagedInstanceGroup{
Name: "my-instance-group",
Location: "us-central1",
Type: gcp.Region,
},
}},
expectedResource: resource.NewWithAttributes(semconv.SchemaURL,
semconv.CloudProviderGCP,
semconv.CloudAccountID("my-project"),
semconv.CloudPlatformGCPComputeEngine,
semconv.HostID("1472385723456792345"),
semconv.HostName("my-gke-node-1234"),
semconv.GCPGceInstanceNameKey.String("my-gke-node-1234"),
semconv.GCPGceInstanceHostnameKey.String("hostname"),
semconv.HostType("n1-standard1"),
semconv.CloudRegion("us-central1"),
semconv.CloudAvailabilityZone("us-central1-c"),
gcpGceInstanceGroupManagerNameKey.String("my-instance-group"),
gcpGceInstanceGroupManagerRegionKey.String("us-central1"),
),
},
{
desc: "Cloud Run",
detector: &detector{detector: &fakeGCPDetector{
Expand Down Expand Up @@ -277,6 +343,7 @@ type fakeGCPDetector struct {
gcpGceInstanceHostname string
cloudRunJobExecution string
cloudRunJobTaskIndex string
managedInstanceGroup gcp.ManagedInstanceGroup
}

func (f *fakeGCPDetector) ProjectID() (string, error) {
Expand Down Expand Up @@ -446,3 +513,10 @@ func (f *fakeGCPDetector) CloudRunJobTaskIndex() (string, error) {
}
return f.cloudRunJobTaskIndex, nil
}

func (f *fakeGCPDetector) GCEManagedInstanceGroup() (gcp.ManagedInstanceGroup, error) {
if f.err != nil {
return gcp.ManagedInstanceGroup{}, f.err
}
return f.managedInstanceGroup, nil
}
1 change: 1 addition & 0 deletions detectors/gcp/types.go
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Original file line number Diff line number Diff line change
Expand Up @@ -30,4 +30,5 @@ type gcpDetector interface {
GCEInstanceName() (string, error)
CloudRunJobExecution() (string, error)
CloudRunJobTaskIndex() (string, error)
GCEManagedInstanceGroup() (gcp.ManagedInstanceGroup, error)
}
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