[all] bump minimum go version to 1.21 (#31109)

Fixes #31105

---------

Signed-off-by: Alex Boten <aboten@lightstep.com>

.chloggen/codeboten_go-1.22.yaml

@@ -0,0 +1,27 @@
+# Use this changelog template to create an entry for release notes.
+
+# 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. filelogreceiver)
+component: all
+
+# A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Bump minimum version to go 1.21
+
+# Mandatory: One or more tracking issues related to the change. You can use the PR number here if no issue exists.
+issues: [31105]
+
+# (Optional) One or more lines of additional information to render under the primary note.
+# These lines will be padded with 2 spaces and then inserted directly into the document.
+# Use pipe (|) for multiline entries.
+subtext:
+
+# If your change doesn't affect end users or the exported elements of any package,
+# you should instead start your pull request title with [chore] or use the "Skip Changelog" label.
+# Optional: The change log or logs in which this entry should be included.
+# e.g. '[user]' or '[user, api]'
+# Include 'user' if the change is relevant to end users.
+# Include 'api' if there is a change to a library API.
+# Default: '[user]'
+change_logs: []

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

@@ -50,7 +50,7 @@ jobs:
         run: Install-WindowsFeature -name Web-Server -IncludeManagementTools
       - uses: actions/setup-go@v5
         with:
-          go-version: ~1.20.12
+          go-version: ~1.21.5
           cache: false
       - name: Cache Go
         id: go-mod-cache

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

@@ -26,7 +26,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
-          go-version: ~1.20.12
+          go-version: ~1.21.5
           cache: false
       - name: Cache Go
         id: go-cache
@@ -88,7 +88,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
-          go-version: ~1.20.11
+          go-version: ~1.21.5
           cache: false
       - name: Cache Go
         id: go-cache
@@ -154,7 +154,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v5
         with:
-          go-version: ~1.20.12
+          go-version: ~1.21.5
           cache: false
       - name: Cache Go
         id: go-cache
@@ -177,7 +177,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
-          go-version: ~1.20.12
+          go-version: ~1.21.5
           cache: false
       - name: Cache Go
         id: go-cache
@@ -237,7 +237,7 @@ jobs:
   unittest-matrix:
     strategy:
       matrix:
-        go-version: ["~1.22", "~1.21.5", "~1.20.12"] # 1.20 is interpreted as 1.2 without quotes
+        go-version: ["~1.22", "~1.21.5"] # 1.20 is interpreted as 1.2 without quotes
         group:
           - receiver-0
           - receiver-1
@@ -282,13 +282,13 @@ jobs:
           path: ~/.cache/go-build
           key: go-test-build-${{ runner.os }}-${{ matrix.go-version }}-${{ hashFiles('**/go.sum') }}
       - name: Run Unit Tests
-        if: startsWith( matrix.go-version, '~1.20' ) != true # every other version
+        if: startsWith( matrix.go-version, '~1.21' ) != true
         run: make gotest GROUP=${{ matrix.group }}
       - name: Run Unit Tests With Coverage
-        if: startsWith( matrix.go-version, '~1.20' ) # only run coverage on one version
+        if: startsWith( matrix.go-version, '~1.21' ) # only run coverage on one version
         run: make gotest-with-cover GROUP=${{ matrix.group }}
       - uses: actions/upload-artifact@v3
-        if: startsWith( matrix.go-version, '~1.20' ) # only upload one artifact
+        if: startsWith( matrix.go-version, '~1.21' ) # only upload artifact for one version
         with:
           name: coverage-artifacts
           path: ${{ matrix.group }}-coverage.txt
@@ -349,7 +349,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
-          go-version: ~1.20.12
+          go-version: ~1.21.5
           cache: false
       - name: Cache Go
         id: go-cache
@@ -387,7 +387,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
-          go-version: ~1.20.12
+          go-version: ~1.21.5
           cache: false
       - name: Cache Go
         id: go-cache
@@ -413,7 +413,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
-          go-version: ~1.20.12
+          go-version: ~1.21.5
           cache: false
       - name: Cache Go
         id: go-cache
@@ -482,7 +482,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
-          go-version: ~1.20.12
+          go-version: ~1.21.5
           cache: false
       - name: Cache Go
         id: go-cache
@@ -615,7 +615,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
-          go-version: ~1.20.12
+          go-version: ~1.21.5
           cache: false
       - name: Mkdir bin and dist
         run: |

.github/workflows/changelog.yml

@@ -34,7 +34,7 @@ jobs:
           fetch-depth: 0
       - uses: actions/setup-go@v5
         with:
-          go-version: ~1.20.12
+          go-version: ~1.21.5
           cache: false
       - name: Cache Go
         id: go-cache

.github/workflows/codeql-analysis.yml

@@ -18,7 +18,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
-          go-version: ~1.20.12
+          go-version: ~1.21.5
           cache: false
 
       # Initializes the CodeQL tools for scanning.

.github/workflows/e2e-tests.yml

@@ -20,7 +20,7 @@ jobs:
         uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
-          go-version: ~1.20.12
+          go-version: ~1.21.5
           cache: false
       - name: Cache Go
         id: go-cache
@@ -49,7 +49,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
-          go-version: ~1.20.8
+          go-version: ~1.21.5
           cache: false
       - name: Cache Go
         id: go-cache
@@ -81,7 +81,7 @@ jobs:
         uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
-          go-version: ~1.20.8
+          go-version: ~1.21.5
           cache: false
       - name: Cache Go
         id: go-cache
@@ -128,7 +128,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
-          go-version: ~1.20.12
+          go-version: ~1.21.5
           cache: false
       - name: Cache Go
         id: go-cache

.github/workflows/load-tests.yml

@@ -26,7 +26,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
-          go-version: ~1.20.12
+          go-version: ~1.21.5
           cache: false
       - name: Cache Go
         id: go-cache
@@ -64,7 +64,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
-          go-version: ~1.20.12
+          go-version: ~1.21.5
           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@v5
         with:
-          go-version: ~1.20.12
+          go-version: ~1.21.5
           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@v5
         with:
-          go-version: ~1.20.12
+          go-version: ~1.21.5
           cache: false
       - name: Cache Go
         id: go-cache

.github/workflows/telemetrygen.yml

@@ -24,7 +24,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
-          go-version: ~1.20.12
+          go-version: ~1.21.5
           cache: false
       - name: Cache Go
         id: go-cache
@@ -63,7 +63,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
-          go-version: ~1.20.12
+          go-version: ~1.21.5
           cache: false
       - name: Cache Go
         id: go-cache
@@ -108,7 +108,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
-          go-version: ~1.20.12
+          go-version: ~1.21.5
           cache: false
       - name: Cache Go
         id: go-cache

.github/workflows/tidy-dependencies.yml

@@ -21,7 +21,7 @@ jobs:
           ref: ${{ github.head_ref }}
       - uses: actions/setup-go@v5
         with:
-          go-version: ~1.20.12
+          go-version: ~1.21.5
           cache: false
       - name: Cache Go
         id: go-cache

Makefile.Common

@@ -203,7 +203,7 @@ govulncheck: $(GOVULNCHECK)
 .PHONY: tidy
 tidy:
 	rm -fr go.sum
-	$(GOCMD) mod tidy -compat=1.20
+	$(GOCMD) mod tidy -compat=1.21
 
 .PHONY: misspell
 misspell: $(TOOLS_BIN_DIR)/misspell

cmd/configschema/go.mod

@@ -2,7 +2,7 @@
 // See https://github.com/open-telemetry/opentelemetry-collector-contrib/issues/30187
 module github.com/open-telemetry/opentelemetry-collector-contrib/cmd/configschema
 
-go 1.20
+go 1.21
 
 require (
 	github.com/fatih/structtag v1.2.0