deps: update opentelemetry-go monorepo to v0.34.0 (minor) (#498)

Signed-off-by: Renovate Bot <bot@renovateapp.com> Signed-off-by: Florian Bacher <florian.bacher@dynatrace.com> Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com> Co-authored-by: Florian Bacher <florian.bacher@dynatrace.com>
keptn · Dec 19, 2022 · e7db4d0 · e7db4d0
1 parent 627b9e1
commit e7db4d0
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Showing 13 changed files with 56 additions and 57 deletions.
diff --git a/dashboards/grafana/configmap/grafana-dashboard-keptn-applications.yaml b/dashboards/grafana/configmap/grafana-dashboard-keptn-applications.yaml
@@ -87,7 +87,7 @@ data:
                 "uid": "P1809F7CD0C75ACF3"
               },
               "editorMode": "builder",
-              "expr": "keptn_app_count{keptn_deployment_app_status=\"Succeeded\", keptn_deployment_app_name=\"$Application\"}",
+              "expr": "keptn_app_count_total{keptn_deployment_app_status=\"Succeeded\", keptn_deployment_app_name=\"$Application\"}",
               "format": "table",
               "legendFormat": "__auto",
               "range": true,
@@ -236,7 +236,7 @@ data:
                 "uid": "P1809F7CD0C75ACF3"
               },
               "editorMode": "builder",
-              "expr": "keptn_app_count{keptn_deployment_app_status=\"Failed\", keptn_deployment_app_name=\"$Application\"}",
+              "expr": "keptn_app_count_total{keptn_deployment_app_status=\"Failed\", keptn_deployment_app_name=\"$Application\"}",
               "format": "table",
               "legendFormat": "__auto",
               "range": true,

diff --git a/dashboards/grafana/configmap/grafana-dashboard-keptn-overview.yaml b/dashboards/grafana/configmap/grafana-dashboard-keptn-overview.yaml
@@ -390,7 +390,7 @@ data:
                 "uid": "P1809F7CD0C75ACF3"
               },
               "editorMode": "builder",
-              "expr": "sum by(job) (keptn_evaluation_count{job=\"otel-collector\"})",
+              "expr": "sum by(job) (keptn_evaluation_count_total{job=\"otel-collector\"})",
               "legendFormat": "__auto",
               "range": true,
               "refId": "A"

diff --git a/dashboards/grafana/grafana_dashboard_applications.json b/dashboards/grafana/grafana_dashboard_applications.json
@@ -84,7 +84,7 @@
             "uid": "P1809F7CD0C75ACF3"
           },
           "editorMode": "builder",
-          "expr": "keptn_app_count{keptn_deployment_app_status=\"Succeeded\", keptn_deployment_app_name=\"$Application\"}",
+          "expr": "keptn_app_count_total{keptn_deployment_app_status=\"Succeeded\", keptn_deployment_app_name=\"$Application\"}",
           "format": "table",
           "legendFormat": "__auto",
           "range": true,
@@ -233,7 +233,7 @@
             "uid": "P1809F7CD0C75ACF3"
           },
           "editorMode": "builder",
-          "expr": "keptn_app_count{keptn_deployment_app_status=\"Failed\", keptn_deployment_app_name=\"$Application\"}",
+          "expr": "keptn_app_count_total{keptn_deployment_app_status=\"Failed\", keptn_deployment_app_name=\"$Application\"}",
           "format": "table",
           "legendFormat": "__auto",
           "range": true,

diff --git a/dashboards/grafana/grafana_dashboard_overview.json b/dashboards/grafana/grafana_dashboard_overview.json
@@ -387,7 +387,7 @@
             "uid": "P1809F7CD0C75ACF3"
           },
           "editorMode": "builder",
-          "expr": "sum by(job) (keptn_evaluation_count{job=\"otel-collector\"})",
+          "expr": "sum by(job) (keptn_evaluation_count_total{job=\"otel-collector\"})",
           "legendFormat": "__auto",
           "range": true,
           "refId": "A"

diff --git a/dashboards/grafana/import/grafana_dashboard_applications.json b/dashboards/grafana/import/grafana_dashboard_applications.json
@@ -85,7 +85,7 @@
               "uid": "P1809F7CD0C75ACF3"
             },
             "editorMode": "builder",
-            "expr": "keptn_app_count{keptn_deployment_app_status=\"Succeeded\", keptn_deployment_app_name=\"$Application\"}",
+            "expr": "keptn_app_count_total{keptn_deployment_app_status=\"Succeeded\", keptn_deployment_app_name=\"$Application\"}",
             "format": "table",
             "legendFormat": "__auto",
             "range": true,
@@ -234,7 +234,7 @@
               "uid": "P1809F7CD0C75ACF3"
             },
             "editorMode": "builder",
-            "expr": "keptn_app_count{keptn_deployment_app_status=\"Failed\", keptn_deployment_app_name=\"$Application\"}",
+            "expr": "keptn_app_count_total{keptn_deployment_app_status=\"Failed\", keptn_deployment_app_name=\"$Application\"}",
             "format": "table",
             "legendFormat": "__auto",
             "range": true,

diff --git a/dashboards/grafana/import/grafana_dashboard_overview.json b/dashboards/grafana/import/grafana_dashboard_overview.json
@@ -388,7 +388,7 @@
               "uid": "P1809F7CD0C75ACF3"
             },
             "editorMode": "builder",
-            "expr": "sum by(job) (keptn_evaluation_count{job=\"otel-collector\"})",
+            "expr": "sum by(job) (keptn_evaluation_count_total{job=\"otel-collector\"})",
             "legendFormat": "__auto",
             "range": true,
             "refId": "A"

diff --git a/examples/observability/assets/grafana_dasboard_import_ui.json b/examples/observability/assets/grafana_dasboard_import_ui.json
@@ -387,7 +387,7 @@
             "uid": "P1809F7CD0C75ACF3"
           },
           "editorMode": "builder",
-          "expr": "sum by(job) (keptn_evaluation_count{job=\"otel-collector\"})",
+          "expr": "sum by(job) (keptn_evaluation_count_total{job=\"otel-collector\"})",
           "legendFormat": "__auto",
           "range": true,
           "refId": "A"

diff --git a/examples/observability/assets/grafana_dashboard.json b/examples/observability/assets/grafana_dashboard.json
@@ -388,7 +388,7 @@
               "uid": "P1809F7CD0C75ACF3"
             },
             "editorMode": "builder",
-            "expr": "sum by(job) (keptn_evaluation_count{job=\"otel-collector\"})",
+            "expr": "sum by(job) (keptn_evaluation_count_total{job=\"otel-collector\"})",
             "legendFormat": "__auto",
             "range": true,
             "refId": "A"

diff --git a/examples/observability/config/prometheus/grafana-dashboard-keptn-applications.yaml b/examples/observability/config/prometheus/grafana-dashboard-keptn-applications.yaml
@@ -87,7 +87,7 @@ data:
                 "uid": "P1809F7CD0C75ACF3"
               },
               "editorMode": "builder",
-              "expr": "keptn_app_count{keptn_deployment_app_status=\"Succeeded\", keptn_deployment_app_name=\"$Application\"}",
+              "expr": "keptn_app_count_total{keptn_deployment_app_status=\"Succeeded\", keptn_deployment_app_name=\"$Application\"}",
               "format": "table",
               "legendFormat": "__auto",
               "range": true,
@@ -236,7 +236,7 @@ data:
                 "uid": "P1809F7CD0C75ACF3"
               },
               "editorMode": "builder",
-              "expr": "keptn_app_count{keptn_deployment_app_status=\"Failed\", keptn_deployment_app_name=\"$Application\"}",
+              "expr": "keptn_app_count_total{keptn_deployment_app_status=\"Failed\", keptn_deployment_app_name=\"$Application\"}",
               "format": "table",
               "legendFormat": "__auto",
               "range": true,

diff --git a/examples/observability/config/prometheus/grafana-dashboard-keptn-overview.yaml b/examples/observability/config/prometheus/grafana-dashboard-keptn-overview.yaml
@@ -390,7 +390,7 @@ data:
                 "uid": "P1809F7CD0C75ACF3"
               },
               "editorMode": "builder",
-              "expr": "sum by(job) (keptn_evaluation_count{job=\"otel-collector\"})",
+              "expr": "sum by(job) (keptn_evaluation_count_total{job=\"otel-collector\"})",
               "legendFormat": "__auto",
               "range": true,
               "refId": "A"

diff --git a/operator/go.mod b/operator/go.mod
@@ -12,14 +12,14 @@ require (
 	github.com/prometheus/client_golang v1.14.0
 	github.com/prometheus/common v0.37.0
 	github.com/stretchr/testify v1.8.1
-	go.opentelemetry.io/otel v1.11.0
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.11.0
-	go.opentelemetry.io/otel/exporters/prometheus v0.32.3
-	go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.11.0
-	go.opentelemetry.io/otel/metric v0.32.3
-	go.opentelemetry.io/otel/sdk v1.11.0
-	go.opentelemetry.io/otel/sdk/metric v0.32.3
-	go.opentelemetry.io/otel/trace v1.11.0
+	go.opentelemetry.io/otel v1.11.2
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.11.2
+	go.opentelemetry.io/otel/exporters/prometheus v0.34.0
+	go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.11.2
+	go.opentelemetry.io/otel/metric v0.34.0
+	go.opentelemetry.io/otel/sdk v1.11.2
+	go.opentelemetry.io/otel/sdk/metric v0.34.0
+	go.opentelemetry.io/otel/trace v1.11.2
 	google.golang.org/grpc v1.51.0
 	k8s.io/api v0.25.5
 	k8s.io/apimachinery v0.25.5
@@ -43,7 +43,7 @@ require (
 	github.com/PuerkitoBio/purell v1.1.1 // indirect
 	github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
-	github.com/cenkalti/backoff/v4 v4.1.3 // indirect
+	github.com/cenkalti/backoff/v4 v4.2.0 // indirect
 	github.com/cespare/xxhash/v2 v2.1.2 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/emicklei/go-restful/v3 v3.8.0 // indirect
@@ -76,8 +76,8 @@ require (
 	github.com/prometheus/client_model v0.3.0 // indirect
 	github.com/prometheus/procfs v0.8.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
-	go.opentelemetry.io/otel/exporters/otlp/internal/retry v1.11.0 // indirect
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.11.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/internal/retry v1.11.2 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.11.2 // indirect
 	go.opentelemetry.io/proto/otlp v0.19.0 // indirect
 	go.uber.org/atomic v1.7.0 // indirect
 	go.uber.org/multierr v1.6.0 // indirect

diff --git a/operator/go.sum b/operator/go.sum
@@ -81,6 +81,8 @@ github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
 github.com/cenkalti/backoff/v4 v4.1.3 h1:cFAlzYUlVYDysBEH2T5hyJZMh3+5+WCBvSnK6Q8UtC4=
 github.com/cenkalti/backoff/v4 v4.1.3/go.mod h1:scbssz8iZGpm3xbr14ovlUdkxfGXNInqkPWOWmG2CLw=
+github.com/cenkalti/backoff/v4 v4.2.0 h1:HN5dHm3WBOgndBH6E8V0q2jIYIR3s9yglV8k/+MN3u4=
+github.com/cenkalti/backoff/v4 v4.2.0/go.mod h1:Y3VNntkOUPxTVeUxJ/G5vcM//AlwfmyYozVcomhLiZE=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
 github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
@@ -376,26 +378,34 @@ go.opencensus.io v0.22.3/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
 go.opencensus.io v0.22.4/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
 go.opencensus.io v0.22.5/go.mod h1:5pWMHQbX5EPX2/62yrJeAkowc+lfs/XD7Uxpq3pI6kk=
 go.opencensus.io v0.23.0/go.mod h1:XItmlyltB5F7CS4xOC1DcqMoFqwtC6OG2xF7mCv7P7E=
-go.opentelemetry.io/otel v1.11.0 h1:kfToEGMDq6TrVrJ9Vht84Y8y9enykSZzDDZglV0kIEk=
-go.opentelemetry.io/otel v1.11.0/go.mod h1:H2KtuEphyMvlhZ+F7tg9GRhAOe60moNx61Ex+WmiKkk=
+go.opentelemetry.io/otel v1.11.2 h1:YBZcQlsVekzFsFbjygXMOXSs6pialIZxcjfO/mBDmR0=
+go.opentelemetry.io/otel v1.11.2/go.mod h1:7p4EUV+AqgdlNV9gL97IgUZiVR3yrFXYo53f9BM3tRI=
 go.opentelemetry.io/otel/exporters/otlp/internal/retry v1.11.0 h1:0dly5et1i/6Th3WHn0M6kYiJfFNzhhxanrJ0bOfnjEo=
 go.opentelemetry.io/otel/exporters/otlp/internal/retry v1.11.0/go.mod h1:+Lq4/WkdCkjbGcBMVHHg2apTbv8oMBf29QCnyCCJjNQ=
+go.opentelemetry.io/otel/exporters/otlp/internal/retry v1.11.2 h1:htgM8vZIF8oPSCxa341e3IZ4yr/sKxgu8KZYllByiVY=
+go.opentelemetry.io/otel/exporters/otlp/internal/retry v1.11.2/go.mod h1:rqbht/LlhVBgn5+k3M5QK96K5Xb0DvXpMJ5SFQpY6uw=
 go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.11.0 h1:eyJ6njZmH16h9dOKCi7lMswAnGsSOwgTqWzfxqcuNr8=
 go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.11.0/go.mod h1:FnDp7XemjN3oZ3xGunnfOUTVwd2XcvLbtRAuOSU3oc8=
+go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.11.2 h1:fqR1kli93643au1RKo0Uma3d2aPQKT+WBKfTSBaKbOc=
+go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.11.2/go.mod h1:5Qn6qvgkMsLDX+sYK64rHb1FPhpn0UtxF+ouX1uhyJE=
 go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.11.0 h1:j2RFV0Qdt38XQ2Jvi4WIsQ56w8T7eSirYbMw19VXRDg=
 go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.11.0/go.mod h1:pILgiTEtrqvZpoiuGdblDgS5dbIaTgDrkIuKfEFkt+A=
-go.opentelemetry.io/otel/exporters/prometheus v0.32.3 h1:17C3zlnAFjmoyWueoQrESV/FvogMq2EmtJWpk7acX4Y=
-go.opentelemetry.io/otel/exporters/prometheus v0.32.3/go.mod h1:7T6oLYJY+ydl+dEteIw+xCDJ7vaTRVWZ4CxEhpCUHFA=
+go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.11.2 h1:ERwKPn9Aer7Gxsc0+ZlutlH1bEEAUXAUhqm3Y45ABbk=
+go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.11.2/go.mod h1:jWZUM2MWhWCJ9J9xVbRx7tzK1mXKpAlze4CeulycwVY=
+go.opentelemetry.io/otel/exporters/prometheus v0.34.0 h1:L5D+HxdaC/ORB47ribbTBbkXRZs9JzPjq0EoIOMWncM=
+go.opentelemetry.io/otel/exporters/prometheus v0.34.0/go.mod h1:6gUoJyfhoWqF0tOLaY0ZmKgkQRcvEQx6p5rVlKHp3s4=
 go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.11.0 h1:rzpQkvma82S+jQvJHqJaAGQdeRBtH6HASrgrZa45rx4=
 go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.11.0/go.mod h1:nMt8nBu01qC+8LfJu4puk/OYHovohkISNuy/MMG8yRk=
-go.opentelemetry.io/otel/metric v0.32.3 h1:dMpnJYk2KULXr0j8ph6N7+IcuiIQXlPXD4kix9t7L9c=
-go.opentelemetry.io/otel/metric v0.32.3/go.mod h1:pgiGmKohxHyTPHGOff+vrtIH39/R9fiO/WoenUQ3kcc=
-go.opentelemetry.io/otel/sdk v1.11.0 h1:ZnKIL9V9Ztaq+ME43IUi/eo22mNsb6a7tGfzaOWB5fo=
-go.opentelemetry.io/otel/sdk v1.11.0/go.mod h1:REusa8RsyKaq0OlyangWXaw97t2VogoO4SSEeKkSTAk=
-go.opentelemetry.io/otel/sdk/metric v0.32.3 h1:lY46wXBbo8IuPDlh1fpVPVy/bCT4wwo3RBYve6UaHOA=
-go.opentelemetry.io/otel/sdk/metric v0.32.3/go.mod h1:nqJPheSpNDSGXhg22BQRgTQedRalfei6tZkmqTavDSk=
-go.opentelemetry.io/otel/trace v1.11.0 h1:20U/Vj42SX+mASlXLmSGBg6jpI1jQtv682lZtTAOVFI=
-go.opentelemetry.io/otel/trace v1.11.0/go.mod h1:nyYjis9jy0gytE9LXGU+/m1sHTKbRY0fX0hulNNDP1U=
+go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.11.2 h1:BhEVgvuE1NWLLuMLvC6sif791F45KFHi5GhOs1KunZU=
+go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.11.2/go.mod h1:bx//lU66dPzNT+Y0hHA12ciKoMOH9iixEwCqC1OeQWQ=
+go.opentelemetry.io/otel/metric v0.34.0 h1:MCPoQxcg/26EuuJwpYN1mZTeCYAUGx8ABxfW07YkjP8=
+go.opentelemetry.io/otel/metric v0.34.0/go.mod h1:ZFuI4yQGNCupurTXCwkeD/zHBt+C2bR7bw5JqUm/AP8=
+go.opentelemetry.io/otel/sdk v1.11.2 h1:GF4JoaEx7iihdMFu30sOyRx52HDHOkl9xQ8SMqNXUiU=
+go.opentelemetry.io/otel/sdk v1.11.2/go.mod h1:wZ1WxImwpq+lVRo4vsmSOxdd+xwoUJ6rqyLc3SyX9aU=
+go.opentelemetry.io/otel/sdk/metric v0.34.0 h1:7ElxfQpXCFZlRTvVRTkcUvK8Gt5DC8QzmzsLsO2gdzo=
+go.opentelemetry.io/otel/sdk/metric v0.34.0/go.mod h1:l4r16BIqiqPy5rd14kkxllPy/fOI4tWo1jkpD9Z3ffQ=
+go.opentelemetry.io/otel/trace v1.11.2 h1:Xf7hWSF2Glv0DE3MH7fBHvtpSBsjcBUe5MYAmZM/+y0=
+go.opentelemetry.io/otel/trace v1.11.2/go.mod h1:4N+yC7QEz7TTsG9BSRLNAa63eg5E06ObSbKPmxQ/pKA=
 go.opentelemetry.io/proto/otlp v0.7.0/go.mod h1:PqfVotwruBrMGOCsRd/89rSnXhoiJIqeYNgFYFoEGnI=
 go.opentelemetry.io/proto/otlp v0.19.0 h1:IVN6GR+mhC4s5yfcTbmzHYODqvWAp3ZedA2SJPI1Nnw=
 go.opentelemetry.io/proto/otlp v0.19.0/go.mod h1:H7XAot3MsfNsj7EXtrA2q5xSNQ10UqI405h3+duxN4U=

diff --git a/operator/main.go b/operator/main.go
@@ -38,7 +38,6 @@ import (
 	"github.com/keptn/lifecycle-toolkit/operator/controllers/keptnworkload"
 	"github.com/keptn/lifecycle-toolkit/operator/controllers/keptnworkloadinstance"
 	"github.com/keptn/lifecycle-toolkit/operator/webhooks"
-	"github.com/prometheus/client_golang/prometheus"
 	"github.com/prometheus/client_golang/prometheus/promhttp"
 	"go.opentelemetry.io/otel"
 	"go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc"
@@ -102,12 +101,10 @@ func main() {
 	// implements prometheus.Collector, allowing it to be used as
 	// both a Reader and Collector.
 
-	exporter := otelprom.New()
-	// TODO uncomment after bumping OTel version to 1.11.2 or higher
-	// exporter, err := otelprom.New()
-	// if err != nil {
-	// 	setupLog.Error(err, "unable to start OTel")
-	// }
+	exporter, err := otelprom.New()
+	if err != nil {
+		setupLog.Error(err, "unable to start OTel")
+	}
 	provider := metric.NewMeterProvider(metric.WithReader(exporter))
 	meter := provider.Meter("keptn/task")
 	deploymentCount, err := meter.SyncInt64().Counter("keptn.deployment.count", instrument.WithDescription("a simple counter for Keptn Deployments"))
@@ -190,9 +187,7 @@ func main() {
 	}
 
 	// Start the prometheus HTTP server and pass the exporter Collector to it
-	// TODO uncomment after bumping OTel version to 1.11.2 or higher
-	//go serveMetrics()
-	go serveMetrics(exporter.Collector)
+	go serveMetrics()
 
 	// As recommended by the kubebuilder docs, webhook registration should be disabled if running locally. See https://book.kubebuilder.io/cronjob-tutorial/running.html#running-webhooks-locally for reference
 	flag.BoolVar(&disableWebhook, "disable-webhook", false, "Disable the registration of webhooks.")
@@ -511,17 +506,11 @@ func newResource() *resource.Resource {
 	return r
 }
 
-func serveMetrics(collector prometheus.Collector) {
-	registry := prometheus.NewRegistry()
-	err := registry.Register(collector)
-	if err != nil {
-		fmt.Printf("error registering collector: %v", err)
-		return
-	}
-
+func serveMetrics() {
 	log.Printf("serving metrics at localhost:2222/metrics")
-	http.Handle("/metrics", promhttp.HandlerFor(registry, promhttp.HandlerOpts{}))
-	err = http.ListenAndServe(":2222", nil)
+
+	http.Handle("/metrics", promhttp.Handler())
+	err := http.ListenAndServe(":2222", nil)
 	if err != nil {
 		fmt.Printf("error serving http: %v", err)
 		return