update modules to go 1.18 (#5795)

Updating to the minimum supported version and removing 1.17 build job.

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

@@ -44,7 +44,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v3
         with:
-          go-version: 1.17
+          go-version: 1.18
       - name: Cache Go
         id: go-cache
         uses: actions/cache@v3
@@ -108,7 +108,7 @@ jobs:
   unittest:
     strategy:
       matrix:
-        go-version: [1.19, 1.18, 1.17]
+        go-version: [1.19, 1.18]
     runs-on: ubuntu-latest
     needs: [setup-environment]
     steps:

CHANGELOG.md

@@ -38,6 +38,7 @@
   - `component.WithTracesProcessor`
   - `component.WithMetricsProcessor`
   - `component.WithLogsProcessor`
+- Update minimum go version to 1.18 (#5795)
 
 ### 🚩 Deprecations 🚩
 

CONTRIBUTING.md

@@ -144,7 +144,7 @@ section of general project contributing guide.
 Working with the project sources requires the following tools:
 
 1. [git](https://git-scm.com/)
-2. [go](https://golang.org/) (version 1.17 and up)
+2. [go](https://golang.org/) (version 1.18 and up)
 3. [make](https://www.gnu.org/software/make/)
 4. [docker](https://www.docker.com/)
 
@@ -205,7 +205,7 @@ before merging (but see above paragraph about writing good commit messages in th
 
 ## General Notes
 
-This project uses Go 1.17.* and [Github Actions.](https://github.com/features/actions)
+This project uses Go 1.18.* and [Github Actions.](https://github.com/features/actions)
 
 It is recommended to run `make gofmt all` before submitting your PR
 

Makefile.Common

@@ -38,7 +38,7 @@ fmt:
 .PHONY: tidy
 tidy:
 	rm -fr go.sum
-	$(GOCMD) mod tidy -compat=1.17
+	$(GOCMD) mod tidy -compat=1.18
 
 .PHONY: lint
 lint:

cmd/builder/go.mod

@@ -14,7 +14,7 @@
 
 module go.opentelemetry.io/collector/cmd/builder
 
-go 1.17
+go 1.18
 
 require (
 	github.com/knadh/koanf v1.4.2

cmd/builder/internal/builder/main.go

@@ -99,7 +99,7 @@ func Compile(cfg Config) error {
 // GetModules retrieves the go modules, updating go.mod and go.sum in the process
 func GetModules(cfg Config) error {
 	// #nosec G204
-	cmd := exec.Command(cfg.Distribution.Go, "mod", "tidy", "-compat=1.17")
+	cmd := exec.Command(cfg.Distribution.Go, "mod", "tidy", "-compat=1.18")
 	cmd.Dir = cfg.Distribution.OutputPath
 	if out, err := cmd.CombinedOutput(); err != nil {
 		return fmt.Errorf("failed to update go.mod: %w. Output: %q", err, out)

cmd/builder/internal/builder/templates/go.mod.tmpl

@@ -2,7 +2,7 @@
 
 module {{.Distribution.Module}}
 
-go 1.17
+go 1.18
 
 require (
 	{{- range .Extensions}}

cmd/otelcorecol/go.mod

@@ -2,7 +2,7 @@
 
 module go.opentelemetry.io/collector/cmd/otelcorecol
 
-go 1.17
+go 1.18
 
 require (
 	github.com/stretchr/testify v1.8.0

go.mod

@@ -1,6 +1,6 @@
 module go.opentelemetry.io/collector
 
-go 1.17
+go 1.18
 
 require (
 	contrib.go.opencensus.io/exporter/prometheus v0.4.1

internal/tools/go.mod

@@ -1,6 +1,6 @@
 module go.opentelemetry.io/collector/internal/tools
 
-go 1.17
+go 1.18
 
 require (
 	github.com/client9/misspell v0.3.4

pdata/go.mod

@@ -1,6 +1,6 @@
 module go.opentelemetry.io/collector/pdata
 
-go 1.17
+go 1.18
 
 require (
 	github.com/gogo/protobuf v1.3.2

semconv/go.mod

@@ -1,6 +1,6 @@
 module go.opentelemetry.io/collector/semconv
 
-go 1.17
+go 1.18
 
 require github.com/stretchr/testify v1.8.0