Convert to Go modules (#3)

* Remove dep / Gopkg.*
* Drop inline /vendor data.
* Cleanup .gitignore
* Add golangci-lint config/workflow.
* Enable dependabot.
* Add Go reference badge.

Signed-off-by: SuperQ <superq@gmail.com>

.github/dependabot.yml

@@ -0,0 +1,12 @@
+version: 2
+
+updates:
+  - package-ecosystem: "gomod"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"

.github/workflows/golangci-lint.yml

@@ -0,0 +1,16 @@
+name: golangci-lint
+on:
+  pull_request:
+jobs:
+  golangci:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/setup-go@fac708d6674e30b6ba41289acaab6d4b75aa0753
+        with:
+          go-version: '1.20.0'
+      - uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v3.6.0
+        with:
+          version: v1.52.2

.gitignore

@@ -1,14 +1,3 @@
-# Binaries for programs and plugins
-*.exe
-*.dll
-*.so
-*.dylib
-
-# Test binary, build with `go test -c`
-*.test
-
-# Output of the go coverage tool, specifically when used with LiteIDE
-*.out
-
-# Project-local glide cache, RE: https://github.com/Masterminds/glide/issues/736
-.glide/
+# only add build artifacts concerning coredns - no editor related files
+/cmd/dnsgrpc/dnsgrpc
+/vendor

.golangci.yml

@@ -0,0 +1,12 @@
+run:
+  timeout: 5m
+linters:
+  disable-all: true
+  enable:
+    - govet
+    - ineffassign
+    - staticcheck
+    - typecheck
+    - whitespace
+    - unused
+    - gofmt

Makefile

@@ -26,10 +26,3 @@ presubmit:
 clean:
 	go clean
 	rm -f cmd/dnsgrpc/dnsgrpc
-
-.PHONY: dep-ensure
-dep-ensure:
-	dep version || go get -u github.com/golang/dep/cmd/dep
-	dep ensure -v
-	dep prune -v
-	find vendor -name '*_test.go' -delete

README.md

@@ -1,2 +1,5 @@
 # client
+
+[![Go Reference](https://pkg.go.dev/badge/github.com/coredns/client.svg)](https://pkg.go.dev/github.com/coredns/client)
+
 DNS-over-gRPC client library and CLI command

go.mod

@@ -0,0 +1,20 @@
+module github.com/coredns/client
+
+go 1.19
+
+require (
+	github.com/coredns/coredns v1.2.4
+	github.com/miekg/dns v1.0.13
+	google.golang.org/grpc v1.15.0
+)
+
+require (
+	github.com/golang/protobuf v1.5.3 // indirect
+	golang.org/x/crypto v0.11.0 // indirect
+	golang.org/x/net v0.10.0 // indirect
+	golang.org/x/sync v0.1.0 // indirect
+	golang.org/x/sys v0.10.0 // indirect
+	golang.org/x/text v0.11.0 // indirect
+	google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8 // indirect
+	google.golang.org/protobuf v1.30.0 // indirect
+)

go.sum

@@ -0,0 +1,46 @@
+cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
+github.com/coredns/coredns v1.2.4 h1:DlxwPVcByNLYR+xLMQ4UVjiS40Ce7j9tkhtZy2fXYvM=
+github.com/coredns/coredns v1.2.4/go.mod h1:zASH/MVDgR6XZTbxvOnsZfffS+31vg6Ackf/wo1+AM0=
+github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b h1:VKtxabqXZkF25pY9ekfRL6a582T4P37/31XEstQ5p58=
+github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
+github.com/golang/lint v0.0.0-20180702182130-06c8688daad7/go.mod h1:tluoj9z5200jBnyusfRPU2LqT6J+DAorxEvtC7LHB+E=
+github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
+github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
+github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
+github.com/golang/protobuf v1.5.3 h1:KhyjKVUg7Usr/dYsdSqoFveMYd5ko72D+zANwlG1mmg=
+github.com/golang/protobuf v1.5.3/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
+github.com/google/go-cmp v0.5.5 h1:Khx7svrCpmxxtHBq5j2mp/xVjsi8hQMfNLvJFAlrGgU=
+github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
+github.com/miekg/dns v1.0.13 h1:Y72t3Ody/fSEkLQOC49kG0ALF7b8ax2TouzPFgIT40E=
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