Convert errors to OC status

Gopkg.lock

@@ -179,15 +179,16 @@
   revision = "a41693b7b7afb422c7ecb1028458ab27da047bbb"
 
 [[projects]]
-  digest = "1:7393d591b1707b6bd40171878d13aada2f7fa921cd0a500406d65fd3966ca2f4"
+  digest = "1:62e5b997b5ada9b5f71e759c3474f2a0de8de1b21473bab9e4f98c5aa69c05eb"
   name = "github.com/cpuguy83/strongerrors"
   packages = [
     ".",
     "status",
+    "status/ocstatus",
   ]
   pruneopts = "NUT"
-  revision = "d3f3ceac8165d8532efb6aa406399545de78d967"
-  version = "v0.2.0"
+  revision = "05f877ca1e627f0a1e01902ba78c63f1ef7db5a3"
+  version = "v0.2.1"
 
 [[projects]]
   digest = "1:a2c1d0e43bd3baaa071d1b9ed72c27d78169b2b269f71c105ac4ba34b1be4a39"
@@ -1451,6 +1452,7 @@
     "github.com/cenkalti/backoff",
     "github.com/cpuguy83/strongerrors",
     "github.com/cpuguy83/strongerrors/status",
+    "github.com/cpuguy83/strongerrors/status/ocstatus",
     "github.com/dimchansky/utfbom",
     "github.com/docker/docker/api/types/strslice",
     "github.com/docker/go-connections/nat",

Gopkg.toml

@@ -79,6 +79,9 @@
   name = "k8s.io/client-go"
   version = "7.0.0"
 
+[[constraint]]
+  name = "github.com/cpuguy83/strongerrors"
+  version = "0.2.1"
 
 # These are required for HyperHQ
 [[override]]

providers/azure/metrics.go

@@ -5,6 +5,7 @@ import (
 	"strings"
 	"time"
 
+	"github.com/cpuguy83/strongerrors/status/ocstatus"
 	"github.com/pkg/errors"
 	"github.com/virtual-kubelet/virtual-kubelet/providers/azure/client/aci"
 	"go.opencensus.io/trace"
@@ -88,7 +89,7 @@ func (p *ACIProvider) GetStatsSummary(ctx context.Context) (summary *stats.Summa
 				Types:        []aci.MetricType{aci.MetricTypeCPUUsage, aci.MetricTypeMemoryUsage},
 			})
 			if err != nil {
-				span.SetStatus(trace.Status{Code: trace.StatusCodeUnknown, Message: err.Error()})
+				span.SetStatus(ocstatus.FromError(err))
 				return errors.Wrapf(err, "error fetching cpu/mem stats for container group %s", cgName)
 			}
 			span.Annotate(nil, "Got system stats")
@@ -100,7 +101,7 @@ func (p *ACIProvider) GetStatsSummary(ctx context.Context) (summary *stats.Summa
 				Types:        []aci.MetricType{aci.MetricTyperNetworkBytesRecievedPerSecond, aci.MetricTyperNetworkBytesTransmittedPerSecond},
 			})
 			if err != nil {
-				span.SetStatus(trace.Status{Code: trace.StatusCodeUnknown, Message: err.Error()})
+				span.SetStatus(ocstatus.FromError(err))
 				return errors.Wrapf(err, "error fetching network stats for container group %s", cgName)
 			}
 			span.Annotate(nil, "Got network stats")

vendor/github.com/cpuguy83/strongerrors/status/ocstatus/status.go

@@ -0,0 +1,49 @@
+// Package ocstatus provides error status conversions to opencencus status trace.StatusCode
+package ocstatus
+
+import (
+	"github.com/cpuguy83/strongerrors"
+	"go.opencensus.io/trace"
+)
+
+// FromError makes an opencencus trace.Status from the passed in error.
+func FromError(err error) trace.Status {
+	if err == nil {
+		return trace.Status{Code: trace.StatusCodeOK}
+	}
+
+	switch {
+	case strongerrors.IsNotFound(err):
+		return status(trace.StatusCodeNotFound, err)
+	case strongerrors.IsConflict(err), strongerrors.IsNotModified(err):
+		return status(trace.StatusCodeFailedPrecondition, err)
+	case strongerrors.IsInvalidArgument(err):
+		return status(trace.StatusCodeInvalidArgument, err)
+	case strongerrors.IsAlreadyExists(err):
+		return status(trace.StatusCodeAlreadyExists, err)
+	case strongerrors.IsCancelled(err):
+		return status(trace.StatusCodeCancelled, err)
+	case strongerrors.IsDeadline(err):
+		return status(trace.StatusCodeDeadlineExceeded, err)
+	case strongerrors.IsUnauthorized(err):
+		return status(trace.StatusCodePermissionDenied, err)
+	case strongerrors.IsUnauthenticated(err):
+		return status(trace.StatusCodeUnauthenticated, err)
+	case strongerrors.IsForbidden(err), strongerrors.IsNotImplemented(err):
+		return status(trace.StatusCodeUnimplemented, err)
+	case strongerrors.IsExhausted(err):
+		return status(trace.StatusCodeResourceExhausted, err)
+	case strongerrors.IsDataLoss(err):
+		return status(trace.StatusCodeDataLoss, err)
+	case strongerrors.IsSystem(err):
+		return status(trace.StatusCodeInternal, err)
+	case strongerrors.IsUnavailable(err):
+		return status(trace.StatusCodeUnavailable, err)
+	default:
+		return status(trace.StatusCodeUnknown, err)
+	}
+}
+
+func status(code int32, err error) trace.Status {
+	return trace.Status{Code: code, Message: err.Error()}
+}