[receiver/awscontainerinsight] fix lint error for awscontainerinsightreceiver

receiver/awscontainerinsightreceiver/config_test.go

@@ -12,7 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// nolint:gocritic
 package awscontainerinsightreceiver
 
 import (

receiver/awscontainerinsightreceiver/internal/cadvisor/cadvisor_linux.go

@@ -15,7 +15,6 @@
 //go:build linux
 // +build linux
 
-// nolint:errcheck,gocritic
 package cadvisor // import "github.com/open-telemetry/opentelemetry-collector-contrib/receiver/awscontainerinsightreceiver/internal/cadvisor"
 
 import (
@@ -126,7 +125,7 @@ type Decorator interface {
 
 type Cadvisor struct {
  logger *zap.Logger
- nodeName string //get the value from downward API
+ nodeName string // get the value from downward API
  createCadvisorManager createCadvisorManager
  manager cadvisorManager
  version string
@@ -216,7 +215,7 @@ func (c *Cadvisor) addECSMetrics(cadvisormetrics []*extractors.CAdvisorMetric) {
  if !cpuExist && !memExist {
  c.logger.Warn("Can't get mem or cpu limit")
  } else {
- //cgroup standard cpulimits should be cadvisor standard * 1.024
+ // cgroup standard cpulimits should be cadvisor standard * 1.024
  metricMap[ci.MetricName(ci.TypeInstance, ci.CPUReservedCapacity)] = float64(cpuReserved) / (float64(cpuLimits.(int64)) * 1.024) * 100
  metricMap[ci.MetricName(ci.TypeInstance, ci.MemReservedCapacity)] = float64(memReserved) / float64(memLimits.(int64)) * 100
  }
@@ -262,28 +261,28 @@ func (c *Cadvisor) decorateMetrics(cadvisormetrics []*extractors.CAdvisorMetric)
  tags := m.GetTags()
  c.addEbsVolumeInfo(tags, ebsVolumeIdsUsedAsPV)
 
- //add version
+ // add version
  tags[ci.Version] = c.version
 
- //add NodeName for node, pod and container
+ // add NodeName for node, pod and container
  metricType := tags[ci.MetricType]
  if c.nodeName != "" && (ci.IsNode(metricType) || ci.IsInstance(metricType) ||
  ci.IsPod(metricType) || ci.IsContainer(metricType)) {
  tags[ci.NodeNameKey] = c.nodeName
  }
 
- //add instance id and type
+ // add instance id and type
  if instanceID := c.hostInfo.GetInstanceID(); instanceID != "" {
  tags[ci.InstanceID] = instanceID
  }
  if instanceType := c.hostInfo.GetInstanceType(); instanceType != "" {
  tags[ci.InstanceType] = instanceType
  }
 
- //add scaling group name
+ // add scaling group name
  tags[ci.AutoScalingGroupNameKey] = c.hostInfo.GetAutoScalingGroupName()
 
- //add ECS cluster name and container instance id
+ // add ECS cluster name and container instance id
  if c.containerOrchestrator == ci.ECS {
  if c.ecsInfo.GetClusterName() == "" {
  c.logger.Warn("Can't get cluster name")
@@ -322,7 +321,7 @@ func (c *Cadvisor) GetMetrics() []pmetric.Metrics {
  var containerinfos []*cInfo.ContainerInfo
  var err error
 
- //For EKS don't emit metrics if the cluster name is not detected
+ // For EKS don't emit metrics if the cluster name is not detected
  if c.containerOrchestrator == ci.EKS {
  clusterName := c.hostInfo.GetClusterName()
  if clusterName == "" {
@@ -383,10 +382,10 @@ func (c *Cadvisor) initManager(createManager createCadvisorManager) error {
  c.logger.Error("cadvisor manager allocate failed, ", zap.Error(err))
  return err
  }
- cadvisormetrics.RegisterPlugin("containerd", containerd.NewPlugin())
- cadvisormetrics.RegisterPlugin("crio", crio.NewPlugin())
- cadvisormetrics.RegisterPlugin("docker", docker.NewPlugin())
- cadvisormetrics.RegisterPlugin("systemd", systemd.NewPlugin())
+ _ = cadvisormetrics.RegisterPlugin("containerd", containerd.NewPlugin())
+ _ = cadvisormetrics.RegisterPlugin("crio", crio.NewPlugin())
+ _ = cadvisormetrics.RegisterPlugin("docker", docker.NewPlugin())
+ _ = cadvisormetrics.RegisterPlugin("systemd", systemd.NewPlugin())
  c.manager = m
  err = c.manager.Start()
  if err != nil {

receiver/awscontainerinsightreceiver/internal/cadvisor/container_info_processor.go

@@ -15,7 +15,6 @@
 //go:build linux
 // +build linux
 
-// nolint:gocritic
 package cadvisor // import "github.com/open-telemetry/opentelemetry-collector-contrib/receiver/awscontainerinsightreceiver/internal/cadvisor"
 
 import (
@@ -71,7 +70,7 @@ func processContainers(cInfos []*cInfo.ContainerInfo, mInfo extractors.CPUMemInf
  if key, ok := podKeys[outPodKey.cgroupPath]; !ok {
  podKeys[outPodKey.cgroupPath] = *outPodKey
  } else {
- //collect the container ids associated with a pod
+ // collect the container ids associated with a pod
  key.containerIds = append(key.containerIds, outPodKey.containerIds...)
  }
  }

receiver/awscontainerinsightreceiver/internal/cadvisor/extractors/cpu_extractor_test.go

@@ -12,7 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// nolint:gocritic
 package extractors
 
 import (
@@ -28,7 +27,7 @@ func TestCPUStats(t *testing.T) {
  result := testutils.LoadContainerInfo(t, "./testdata/PreInfoContainer.json")
  result2 := testutils.LoadContainerInfo(t, "./testdata/CurInfoContainer.json")
 
- //test container type
+ // test container type
  containerType := TypeContainer
  extractor := NewCPUMetricExtractor(nil)
 
@@ -46,7 +45,7 @@ func TestCPUStats(t *testing.T) {
  AssertContainsTaggedFloat(t, cMetrics[0], "container_cpu_usage_system", 10, 0)
  AssertContainsTaggedFloat(t, cMetrics[0], "container_cpu_utilization", 0.5, 0)
 
- //test node type
+ // test node type
  containerType = TypeNode
  extractor = NewCPUMetricExtractor(nil)
 
@@ -64,7 +63,7 @@ func TestCPUStats(t *testing.T) {
  AssertContainsTaggedFloat(t, cMetrics[0], "node_cpu_utilization", 0.5, 0)
  AssertContainsTaggedInt(t, cMetrics[0], "node_cpu_limit", 2000)
 
- //test instance type
+ // test instance type
  containerType = TypeInstance
  extractor = NewCPUMetricExtractor(nil)
 

receiver/awscontainerinsightreceiver/internal/cadvisor/extractors/diskio_extractor_test.go

@@ -12,7 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// nolint:gocritic
 package extractors
 
 import (
@@ -28,7 +27,7 @@ func TestDiskIOStats(t *testing.T) {
 
  result := testutils.LoadContainerInfo(t, "./testdata/PreInfoContainer.json")
  result2 := testutils.LoadContainerInfo(t, "./testdata/CurInfoContainer.json")
- //for eks node-level metrics
+ // for eks node-level metrics
  containerType := TypeNode
  extractor := NewDiskIOMetricExtractor(nil)
 
@@ -62,7 +61,7 @@ func TestDiskIOStats(t *testing.T) {
  AssertContainsTaggedField(t, cMetrics[0], expectedFieldsService, expectedTags)
  AssertContainsTaggedField(t, cMetrics[1], expectedFieldsServiced, expectedTags)
 
- //for ecs node-level metrics
+ // for ecs node-level metrics
  containerType = TypeInstance
  extractor = NewDiskIOMetricExtractor(nil)
 
@@ -95,7 +94,7 @@ func TestDiskIOStats(t *testing.T) {
  AssertContainsTaggedField(t, cMetrics[0], expectedFieldsService, expectedTags)
  AssertContainsTaggedField(t, cMetrics[1], expectedFieldsServiced, expectedTags)
 
- //for non supported type
+ // for non supported type
  containerType = TypeContainerDiskIO
  extractor = NewDiskIOMetricExtractor(nil)
 

receiver/awscontainerinsightreceiver/internal/cadvisor/extractors/extractor.go

@@ -12,7 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// nolint:gocritic
 package extractors // import "github.com/open-telemetry/opentelemetry-collector-contrib/receiver/awscontainerinsightreceiver/internal/cadvisor/extractors"
 
 import (
@@ -47,9 +46,9 @@ type MetricExtractor interface {
 type CAdvisorMetric struct {
  // source of the metric for debugging merge conflict
  cgroupPath string
- //key/value pairs that are typed and contain the metric (numerical) data
+ // key/value pairs that are typed and contain the metric (numerical) data
  fields map[string]interface{}
- //key/value string pairs that are used to identify the metrics
+ // key/value string pairs that are used to identify the metrics
  tags map[string]string
 
  logger *zap.Logger

receiver/awscontainerinsightreceiver/internal/cadvisor/extractors/extractor_helpers_test.go

@@ -12,7 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// nolint:gocritic
 package extractors
 
 import (
@@ -36,7 +35,7 @@ func AssertContainsTaggedFloat(
  if val, ok := val.(float64); ok {
  actualValue = val
  if (val >= expectedValue-delta) && (val <= expectedValue+delta) {
- //Found the point, return without failing
+ // Found the point, return without failing
  return
  }
  } else {

receiver/awscontainerinsightreceiver/internal/cadvisor/extractors/fs_extractor.go

@@ -12,7 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// nolint:gocritic
 package extractors // import "github.com/open-telemetry/opentelemetry-collector-contrib/receiver/awscontainerinsightreceiver/internal/cadvisor/extractors"
 
 import (
@@ -24,9 +23,7 @@ import (
  ci "github.com/open-telemetry/opentelemetry-collector-contrib/internal/aws/containerinsight"
 )
 
-const (
- allowList = "^tmpfs$|^/dev/|^overlay$"
-)
+var allowedPaths = regexp.MustCompile(`^(tmpfs|\/dev\/.*|overlay)$`)
 
 type FileSystemMetricExtractor struct {
  allowListRegexP *regexp.Regexp
@@ -79,12 +76,8 @@ func (f *FileSystemMetricExtractor) GetValue(info *cinfo.ContainerInfo, _ CPUMem
 
 func NewFileSystemMetricExtractor(logger *zap.Logger) *FileSystemMetricExtractor {
  fse := &FileSystemMetricExtractor{
- logger: logger,
- }
- if p, err := regexp.Compile(allowList); err == nil {
- fse.allowListRegexP = p
- } else {
- logger.Error("NewFileSystemMetricExtractor set regex failed", zap.Error(err))
+ logger: logger,
+ allowListRegexP: allowedPaths,
  }
 
  return fse

receiver/awscontainerinsightreceiver/internal/cadvisor/extractors/fs_extractor_test.go

@@ -12,7 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// nolint:errcheck,gocritic
 package extractors
 
 import (
@@ -29,7 +28,7 @@ import (
 
 func TestFSStats(t *testing.T) {
  result := testutils.LoadContainerInfo(t, "./testdata/CurInfoContainer.json")
- //container type
+ // container type
  containerType := TypeContainer
  extractor := NewFileSystemMetricExtractor(nil)
 
@@ -51,7 +50,7 @@ func TestFSStats(t *testing.T) {
  }
  AssertContainsTaggedField(t, cMetrics[0], expectedFields, expectedTags)
 
- //pod type
+ // pod type
  containerType = TypePod
  extractor = NewFileSystemMetricExtractor(nil)
 
@@ -61,7 +60,7 @@ func TestFSStats(t *testing.T) {
 
  assert.Equal(t, len(cMetrics), 0)
 
- //node type for eks
+ // node type for eks
 
  result2 := testutils.LoadContainerInfo(t, "./testdata/CurInfoNode.json")
  containerType = TypeNode
@@ -133,7 +132,7 @@ func TestFSStatsWithAllowList(t *testing.T) {
 
  var b bytes.Buffer
  enc := json.NewEncoder(&b)
- enc.Encode(result)
+ assert.NoError(t, enc.Encode(result))
  containerType := TypeContainer
  extractor := NewFileSystemMetricExtractor(nil)
 

receiver/awscontainerinsightreceiver/internal/cadvisor/extractors/net_extractor.go

@@ -12,7 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// nolint:gocritic
 package extractors // import "github.com/open-telemetry/opentelemetry-collector-contrib/receiver/awscontainerinsightreceiver/internal/cadvisor/extractors"
 
 import (
@@ -65,7 +64,7 @@ func (n *NetMetricExtractor) GetValue(info *cinfo.ContainerInfo, _ CPUMemInfoPro
  mType := getNetMetricType(containerType, n.logger)
  netIfceMetric := make(map[string]interface{})
 
- infoName := info.Name + containerType + cur.Name //used to identify the network interface
+ infoName := info.Name + containerType + cur.Name // used to identify the network interface
  multiplier := float64(time.Second)
  assignRateValueToField(&n.rateCalculator, netIfceMetric, ci.NetRxBytes, infoName, float64(cur.RxBytes), curStats.Timestamp, multiplier)
  assignRateValueToField(&n.rateCalculator, netIfceMetric, ci.NetRxPackets, infoName, float64(cur.RxPackets), curStats.Timestamp, multiplier)

receiver/awscontainerinsightreceiver/internal/cadvisor/testutils/helpers.go

@@ -12,7 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// nolint:errcheck
 package testutils // import "github.com/open-telemetry/opentelemetry-collector-contrib/receiver/awscontainerinsightreceiver/internal/cadvisor/testutils"
 
 import (
@@ -40,7 +39,7 @@ func LoadContainerInfo(t *testing.T, file string) []*cinfo.ContainerInfo {
 
  var b bytes.Buffer
  enc := json.NewEncoder(&b)
- enc.Encode(result)
+ assert.NoError(t, enc.Encode(result))
  return result
 }
 

receiver/awscontainerinsightreceiver/internal/ecsInfo/cgroup.go

@@ -12,7 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// nolint:gocritic
 package ecsinfo // import "github.com/open-telemetry/opentelemetry-collector-contrib/receiver/awscontainerinsightreceiver/internal/ecsInfo"
 
 import (
@@ -54,7 +53,7 @@ type cgroupScannerProvider interface {
  getCPUReserved() int64
  getMemReserved() int64
 
- //use for test
+ // use for test
  getCPUReservedInTask(taskID string, clusterName string) int64
  getMEMReservedInTask(taskID string, clusterName string, containers []ECSContainer) int64
 }
@@ -164,7 +163,7 @@ func (c *cgroupScanner) getMEMReservedInTask(taskID string, clusterName string,
  for _, container := range containers {
  containerPath := filepath.Join(memPath, container.DockerID)
 
- //soft limit first
+ // soft limit first
  if softLimit, err := readInt64(containerPath, "memory.soft_limit_in_bytes"); err == nil && softLimit != kernelMagicCodeNotSet {
  sum += softLimit
  continue
@@ -280,11 +279,12 @@ func getTaskCgroupPathFromARN(arn string) (string, error) {
  }
 
  result = strings.Split(result[5], "/")
- if len(result) == 2 {
+ switch len(result) {
+ case 2:
  return result[1], nil
- } else if len(result) == 3 {
+ case 3:
  return result[2], nil
- } else {
+ default:
  return "", fmt.Errorf("invalid ecs task arn: %q", arn)
  }
 }

receiver/awscontainerinsightreceiver/internal/ecsInfo/ecs_instance_info.go

@@ -12,7 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// nolint:gocritic
 package ecsinfo // import "github.com/open-telemetry/opentelemetry-collector-contrib/receiver/awscontainerinsightreceiver/internal/ecsInfo"
 
 import (
@@ -63,7 +62,7 @@ func newECSInstanceInfo(ctx context.Context, ecsAgentEndpointProvider hostIPProv
  }
 
  shouldRefresh := func() bool {
- //stop the refresh once we get instance ID and cluster name successfully
+ // stop the refresh once we get instance ID and cluster name successfully
  return cii.GetClusterName() == "" || cii.GetContainerInstanceID() == ""
  }
 
@@ -98,7 +97,7 @@ func (cii *containerInstanceInfo) refresh(ctx context.Context) {
  cii.containerInstanceID = instanceID
  defer cii.Unlock()
 
- //notify cgroups that the clustername and instanceID is ready
+ // notify cgroups that the clustername and instanceID is ready
  if cii.clusterName != "" && cii.containerInstanceID != "" && !isClosed(cii.readyC) {
  close(cii.readyC)
  }