Remove go 1.19 support, bump minimum to go 1.20 and add testing for 1.21

.chloggen/go1-21.yaml

@@ -0,0 +1,13 @@
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: breaking
+
+# The name of the component, or a single word describing the area of concern, (e.g. otlpreceiver)
+component: all
+
+# A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Remove go 1.19 support, bump minimum to go 1.20 and add testing for 1.21
+
+# One or more tracking issues or pull requests related to the change
+issues: [8207]
+
+change_logs: [api]

.github/workflows/build-and-test-windows.yml

@@ -43,7 +43,7 @@ jobs:
         run: Install-WindowsFeature -name Web-Server -IncludeManagementTools
       - uses: actions/setup-go@v4
         with:
-          go-version: ~1.19.12
+          go-version: ~1.20.7
           cache: false
       - name: Cache Go
         id: go-mod-cache

.github/workflows/build-and-test.yml

@@ -25,7 +25,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-go@v4
         with:
-          go-version: ~1.19.12
+          go-version: ~1.20.7
           cache: false
       - name: Cache Go
         id: go-cache
@@ -140,7 +140,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v4
         with:
-          go-version: ~1.19.12
+          go-version: ~1.20.7
           cache: false
       - name: Cache Go
         id: go-cache
@@ -163,7 +163,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-go@v4
         with:
-          go-version: ~1.19.12
+          go-version: ~1.20.7
           cache: false
       - name: Cache Go
         id: go-cache
@@ -225,7 +225,7 @@ jobs:
   unittest-matrix:
     strategy:
       matrix:
-        go-version: ["1.20", 1.19] # 1.20 is interpreted as 1.2 without quotes
+        go-version: ["1.21", "1.20"] # 1.20 is interpreted as 1.2 without quotes
         group:
           - receiver-0
           - receiver-1
@@ -316,7 +316,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-go@v4
         with:
-          go-version: ~1.19.12
+          go-version: ~1.20.7
           cache: false
       - name: Cache Go
         id: go-cache
@@ -337,7 +337,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-go@v4
         with:
-          go-version: ~1.19.12
+          go-version: ~1.20.7
           cache: false
       - name: Cache Go
         id: go-cache
@@ -363,7 +363,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-go@v4
         with:
-          go-version: ~1.19.12
+          go-version: ~1.20.7
           cache: false
       - name: Cache Go
         id: go-cache
@@ -427,7 +427,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-go@v4
         with:
-          go-version: ~1.19.12
+          go-version: ~1.20.7
           cache: false
       - name: Cache Go
         id: go-cache
@@ -559,7 +559,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-go@v4
         with:
-          go-version: ~1.19.12
+          go-version: ~1.20.7
           cache: false
       - name: Mkdir bin and dist
         run: |

.github/workflows/changelog.yml

@@ -33,7 +33,7 @@ jobs:
           fetch-depth: 0
       - uses: actions/setup-go@v4
         with:
-          go-version: ~1.19.12
+          go-version: ~1.20.7
           cache: false
       - name: Cache Go
         id: go-cache

.github/workflows/codeql-analysis.yml

@@ -17,7 +17,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-go@v4
         with:
-          go-version: ~1.19.12
+          go-version: ~1.20.7
           cache: false
 
       # Initializes the CodeQL tools for scanning.

.github/workflows/create-dependabot-pr.yml

@@ -12,7 +12,7 @@ jobs:
         run: sudo apt-get update; sudo apt-get install zsh
       - uses: actions/setup-go@v4
         with:
-          go-version: ~1.19.12
+          go-version: ~1.20.7
           cache: false
       - name: Run dependabot-pr.sh
         run: ./.github/workflows/scripts/dependabot-pr.sh

.github/workflows/e2e-tests.yml

@@ -16,7 +16,7 @@ jobs:
         uses: actions/checkout@v3
       - uses: actions/setup-go@v4
         with:
-          go-version: ~1.19.12
+          go-version: ~1.20.7
           cache: false
       - name: Cache Go
         id: go-cache
@@ -53,7 +53,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-go@v4
         with:
-          go-version: ~1.19.12
+          go-version: ~1.20.7
           cache: false
       - name: Cache Go
         id: go-cache

.github/workflows/load-tests.yml

@@ -27,7 +27,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-go@v4
         with:
-          go-version: ~1.19.12
+          go-version: ~1.20.7
           cache: false
       - name: Cache Go
         id: go-cache
@@ -65,7 +65,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-go@v4
         with:
-          go-version: ~1.19.12
+          go-version: ~1.20.7
           cache: false
       - name: Cache Go
         id: go-cache

.github/workflows/prepare-release.yml

@@ -26,7 +26,7 @@ jobs:
           path: opentelemetry-collector-contrib
       - uses: actions/setup-go@v4
         with:
-          go-version: ~1.19.12
+          go-version: ~1.20.7
           cache: false
       - name: Prepare release for contrib
         working-directory: opentelemetry-collector-contrib

.github/workflows/prometheus-compliance-tests.yml

@@ -26,7 +26,7 @@ jobs:
           path: opentelemetry-collector-contrib
       - uses: actions/setup-go@v4
         with:
-          go-version: ~1.19.12
+          go-version: ~1.20.7
           cache: false
       - name: Cache Go
         id: go-cache

.github/workflows/tidy-dependencies.yml

@@ -21,7 +21,7 @@ jobs:
           token: ${{ secrets.OPENTELEMETRYBOT_GITHUB_TOKEN }}
       - uses: actions/setup-go@v4
         with:
-          go-version: ~1.19.12
+          go-version: ~1.20.7
           cache: false
       - name: Cache Go
         id: go-cache

Makefile.Common

@@ -174,7 +174,7 @@ govulncheck: $(GOVULNCHECK)
 .PHONY: tidy
 tidy:
 	rm -fr go.sum
-	$(GOCMD) mod tidy -compat=1.19
+	$(GOCMD) mod tidy -compat=1.20
 
 .PHONY: misspell
 misspell: $(TOOLS_BIN_DIR)/misspell

cmd/configschema/go.mod

@@ -1,6 +1,6 @@
 module github.com/open-telemetry/opentelemetry-collector-contrib/cmd/configschema
 
-go 1.19
+go 1.20
 
 require (
 	github.com/fatih/structtag v1.2.0

cmd/mdatagen/go.mod

@@ -1,6 +1,6 @@
 module github.com/open-telemetry/opentelemetry-collector-contrib/cmd/mdatagen
 
-go 1.19
+go 1.20
 
 require (
 	github.com/google/go-cmp v0.5.9

cmd/opampsupervisor/go.mod

@@ -1,6 +1,6 @@
 module github.com/open-telemetry/opentelemetry-collector-contrib/cmd/opampsupervisor
 
-go 1.19
+go 1.20
 
 require (
 	github.com/cenkalti/backoff/v4 v4.2.0

cmd/otelcontribcol/go.mod

@@ -2,7 +2,7 @@
 
 module github.com/open-telemetry/opentelemetry-collector-contrib/cmd/otelcontribcol
 
-go 1.19
+go 1.20
 
 require (
 	github.com/open-telemetry/opentelemetry-collector-contrib/connector/countconnector v0.82.0

cmd/oteltestbedcol/go.mod

@@ -2,7 +2,7 @@
 
 module github.com/open-telemetry/opentelemetry-collector-contrib/cmd/oteltestbedcol
 
-go 1.19
+go 1.20
 
 require (
 	github.com/open-telemetry/opentelemetry-collector-contrib/exporter/carbonexporter v0.82.0

cmd/telemetrygen/go.mod

@@ -1,6 +1,6 @@
 module github.com/open-telemetry/opentelemetry-collector-contrib/cmd/telemetrygen
 
-go 1.19
+go 1.20
 
 require (
 	github.com/grpc-ecosystem/go-grpc-middleware v1.4.0

confmap/provider/s3provider/go.mod

@@ -1,6 +1,6 @@
 module github.com/open-telemetry/opentelemetry-collector-contrib/confmap/provider/s3provider
 
-go 1.19
+go 1.20
 
 require (
 	github.com/aws/aws-sdk-go-v2 v1.20.1

connector/countconnector/go.mod

@@ -1,6 +1,6 @@
 module github.com/open-telemetry/opentelemetry-collector-contrib/connector/countconnector
 
-go 1.19
+go 1.20
 
 require (
 	github.com/open-telemetry/opentelemetry-collector-contrib/internal/coreinternal v0.82.0

connector/exceptionsconnector/go.mod

@@ -1,6 +1,6 @@
 module github.com/open-telemetry/opentelemetry-collector-contrib/connector/exceptionsconnector
 
-go 1.19
+go 1.20
 
 require (
 	github.com/open-telemetry/opentelemetry-collector-contrib/internal/coreinternal v0.82.0

connector/routingconnector/go.mod

@@ -1,6 +1,6 @@
 module github.com/open-telemetry/opentelemetry-collector-contrib/connector/routingconnector
 
-go 1.19
+go 1.20
 
 require (
 	github.com/open-telemetry/opentelemetry-collector-contrib/pkg/ottl v0.82.0

connector/spanmetricsconnector/go.mod

@@ -1,6 +1,6 @@
 module github.com/open-telemetry/opentelemetry-collector-contrib/connector/spanmetricsconnector
 
-go 1.19
+go 1.20
 
 require (
 	github.com/hashicorp/golang-lru v1.0.2

examples/demo/client/Dockerfile

@@ -1,6 +1,6 @@
 # Copyright The OpenTelemetry Authors
 # SPDX-License-Identifier: Apache-2.0
-FROM golang:1.20 as build
+FROM golang:1.20.7 as build
 WORKDIR /app/
 COPY . .
 RUN go env -w GOPROXY=direct

examples/demo/client/go.mod

@@ -1,6 +1,6 @@
 module github.com/open-telemetry/opentelemetry-collector-contrib/examples/demo/client
 
-go 1.19
+go 1.20
 
 require (
 	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.42.0

examples/demo/server/Dockerfile

@@ -1,6 +1,6 @@
 # Copyright The OpenTelemetry Authors
 # SPDX-License-Identifier: Apache-2.0
-FROM golang:1.20 as build
+FROM golang:1.20.7 as build
 WORKDIR /app/
 COPY . .
 RUN go env -w GOPROXY=direct

examples/demo/server/go.mod

@@ -1,6 +1,6 @@
 module github.com/open-telemetry/opentelemetry-collector-contrib/examples/demo/server
 
-go 1.19
+go 1.20
 
 require (
 	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.42.0

exporter/alibabacloudlogserviceexporter/go.mod

@@ -1,6 +1,6 @@
 module github.com/open-telemetry/opentelemetry-collector-contrib/exporter/alibabacloudlogserviceexporter
 
-go 1.19
+go 1.20
 
 require (
 	github.com/aliyun/aliyun-log-go-sdk v0.1.51

exporter/awscloudwatchlogsexporter/go.mod

@@ -1,6 +1,6 @@
 module github.com/open-telemetry/opentelemetry-collector-contrib/exporter/awscloudwatchlogsexporter
 
-go 1.19
+go 1.20
 
 require (
 	github.com/aws/aws-sdk-go v1.44.319

exporter/awsemfexporter/go.mod

@@ -1,6 +1,6 @@
 module github.com/open-telemetry/opentelemetry-collector-contrib/exporter/awsemfexporter
 
-go 1.19
+go 1.20
 
 require (
 	github.com/aws/aws-sdk-go v1.44.319

exporter/awskinesisexporter/go.mod

@@ -1,6 +1,6 @@
 module github.com/open-telemetry/opentelemetry-collector-contrib/exporter/awskinesisexporter
 
-go 1.19
+go 1.20
 
 require (
 	github.com/aws/aws-sdk-go-v2 v1.20.1

exporter/awss3exporter/go.mod

@@ -1,6 +1,6 @@
 module github.com/open-telemetry/opentelemetry-collector-contrib/exporter/awss3exporter
 
-go 1.19
+go 1.20
 
 require (
 	github.com/aws/aws-sdk-go v1.44.319

exporter/awsxrayexporter/go.mod

@@ -1,6 +1,6 @@
 module github.com/open-telemetry/opentelemetry-collector-contrib/exporter/awsxrayexporter
 
-go 1.19
+go 1.20
 
 require (
 	github.com/aws/aws-sdk-go v1.44.319

exporter/azuredataexplorerexporter/go.mod

@@ -1,6 +1,6 @@
 module github.com/open-telemetry/opentelemetry-collector-contrib/exporter/azuredataexplorerexporter
 
-go 1.19
+go 1.20
 
 require (
 	github.com/Azure/azure-kusto-go v0.13.1

exporter/azuremonitorexporter/go.mod

@@ -1,6 +1,6 @@
 module github.com/open-telemetry/opentelemetry-collector-contrib/exporter/azuremonitorexporter
 
-go 1.19
+go 1.20
 
 require (
 	github.com/microsoft/ApplicationInsights-Go v0.4.4

exporter/carbonexporter/go.mod

@@ -1,6 +1,6 @@
 module github.com/open-telemetry/opentelemetry-collector-contrib/exporter/carbonexporter
 
-go 1.19
+go 1.20
 
 require (
 	github.com/open-telemetry/opentelemetry-collector-contrib/internal/common v0.82.0