Update building (prometheus#1326)

* Remove unused / non-standard .go-version.
* Cleanup indenting in Makefile.
* Enable dependabot for subdirs.
* Update golanci-lint CI.
* Update go.mod version directives to match supported versions.
* Disable golanci-lint unused-parameter.

Signed-off-by: SuperQ <[email protected]>

.github/dependabot.yml

@@ -4,3 +4,11 @@ updates:
     directory: "/"
     schedule:
       interval: "monthly"
+  - package-ecosystem: "gomod"
+    directory: "/examples/middleware"
+    schedule:
+      interval: "monthly"
+  - package-ecosystem: "gomod"
+    directory: "/tutorial/whatsup"
+    schedule:
+      interval: "monthly"

.github/workflows/golangci-lint.yml

@@ -25,14 +25,14 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v3
       - name: install Go
-        uses: actions/setup-go@v2
+        uses: actions/setup-go@v3
         with:
-          go-version: 1.18.x
+          go-version: 1.20.x
       - name: Install snmp_exporter/generator dependencies
         run: sudo apt-get update && sudo apt-get -y install libsnmp-dev
         if: github.repository == 'prometheus/snmp_exporter'
       - name: Lint
         uses: golangci/[email protected]
         with:
           args: --verbose
-          version: v1.51.2
+          version: v1.53.3

.golangci.yml

@@ -1,14 +1,15 @@
 ---
-
 run:
   deadline: 5m
+  skip-files:
+    # Skip autogenerated files.
+    - ^.*\.(pb|y)\.go$
 
 output:
   sort-results: true
 
 linters:
   enable:
-    - deadcode
     - depguard
     - durationcheck
     - errorlint
@@ -23,10 +24,8 @@ linters:
     - predeclared
     - revive
     - staticcheck
-    - structcheck
     - unconvert
     - unused
-    - varcheck
     - wastedassign
 
 issues:
@@ -39,9 +38,29 @@ issues:
         - structcheck
 
 linters-settings:
+  depguard:
+    rules:
+      main:
+        deny:
+        #- pkg: "sync/atomic"
+        #  desc: "Use go.uber.org/atomic instead of sync/atomic"
+        - pkg: "github.com/stretchr/testify/assert"
+          desc: "Use github.com/stretchr/testify/require instead of github.com/stretchr/testify/assert"
+        - pkg: "github.com/go-kit/kit/log"
+          desc: "Use github.com/go-kit/log instead of github.com/go-kit/kit/log"
+        - pkg: "io/ioutil"
+          desc: "Use corresponding 'os' or 'io' functions instead."
+        #- pkg: "regexp"
+        #  desc: "Use github.com/grafana/regexp instead of regexp"
   errcheck:
     exclude: scripts/errcheck_excludes.txt
   goimports:
     local-prefixes: github.com/prometheus/client_golang
   gofumpt:
     extra-rules: true
+  revive:
+    rules:
+      # https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md#unused-parameter
+      - name: unused-parameter
+        severity: warning
+        disabled: true

Makefile

@@ -24,9 +24,9 @@ test-short: deps common-test-short
 VERSIONS := 1.19 1.20 1.21
 generate-go-collector-test-files:
 	for GO_VERSION in $(VERSIONS); do \
-    	docker run --rm -v $(PWD):/workspace -w /workspace golang:$$GO_VERSION go run prometheus/gen_go_collector_metrics_set.go; \
+		docker run --rm -v $(PWD):/workspace -w /workspace golang:$$GO_VERSION go run prometheus/gen_go_collector_metrics_set.go; \
 		mv -f go_collector_metrics* prometheus; \
-    done
+		done
 
 .PHONY: fmt
 fmt: common-format

examples/middleware/go.mod

@@ -1,6 +1,6 @@
 module github.com/jessicalins/instrumentation-practices-examples/middleware
 
-go 1.17
+go 1.19
 
 require github.com/prometheus/client_golang v1.13.1
 

go.mod

@@ -1,6 +1,6 @@
 module github.com/prometheus/client_golang
 
-go 1.17
+go 1.19
 
 require (
 	github.com/beorn7/perks v1.0.1