Upgrade to golangci-lint

.golangci.json

+{
+	"linters": {
+		"disable-all": true,
+		"enable": [
+			"govet",
+			"golint",
+			"goimports",
+			"misspell",
+			"ineffassign",
+			"gofmt"
+		]
+	},
+	"run": {
+		"skip-files": [
+			"/zz_generated_"
+		],
+		"deadline": "5m"
+	}
+}

.gometalinter.json

-{
-  "EnableAll": false,
-  "Enable": [
-    "golint",
-    "goimports",
-    "misspell",
-    "ineffassign",
-    "errcheck"
-  ],
-  "Deadline": "1m"
-}
\ No newline at end of file

Dockerfile.dapper

@@ -6,17 +6,18 @@ RUN apk -U --no-cache add bash git gcc musl-dev docker vim less file curl wget c
 RUN pip3 install 'tox==3.6.0'
 RUN apk -U --no-cache --repository http://dl-3.alpinelinux.org/alpine/edge/main/ add sqlite-dev sqlite-static
 RUN mkdir -p /go/src/golang.org/x && \
-    cd /go/src/golang.org/x && git clone https://github.com/golang/tools && git clone https://github.com/golang/lint && \
-    git -C /go/src/golang.org/x/lint/golint checkout -b current 06c8688daad7faa9da5a0c2f163a3d14aac986ca && \
-    go install golang.org/x/lint/golint
-RUN go get -d github.com/alecthomas/gometalinter && \
-    git -C /go/src/github.com/alecthomas/gometalinter checkout -b current v2.0.11 && \
-    go install github.com/alecthomas/gometalinter && \
-    gometalinter --install
+    cd /go/src/golang.org/x && git clone https://github.com/golang/tools && \
+    git -C /go/src/golang.org/x/tools checkout -b current e9f45831faab4562ce3f53f7196b67c08f948e86 && \
+    go install golang.org/x/tools/cmd/goimports
 RUN rm -rf /go/src /go/pkg
 
 ARG DAPPER_HOST_ARCH
 ENV ARCH $DAPPER_HOST_ARCH
+
+RUN if [ "${ARCH}" == "amd64" ]; then \
+        curl -sL https://install.goreleaser.com/github.com/golangci/golangci-lint.sh | sh -s v1.15.0; \
+    fi
+
 ENV DAPPER_RUN_ARGS --privileged -v k3s-cache:/go/src/github.com/rancher/k3s/.cache
 ENV DAPPER_ENV REPO TAG DRONE_TAG IMAGE_NAME
 ENV DAPPER_SOURCE /go/src/github.com/rancher/k3s/

scripts/validate

@@ -3,34 +3,21 @@ set -e
 
 cd $(dirname $0)/..
 
+if ! command -v golangci-lint; then
+    echo Skipping validation: no golangci-lint available
+    exit
+fi
 echo Running validation
 
-PACKAGES="$(go list ./...)"
-
 if [ ! -e build/data ];then
     mkdir -p build/data
 fi
 
+echo Running: go generate
 go generate
 
-echo Running: go vet
-go vet ${PACKAGES}
-echo Running: gometalinter
-for i in ${PACKAGES}; do
-    if [ -n "$(gometalinter $i | \
-        grep -v 'pkg/data/zz_generated_bindata.go' | \
-        grep -v 'should have comment.*or be unexported' | \
-        grep -v 'cli/cmd.*don.t use underscores in Go name' | \
-        grep -v 'cli/cmd.*should be DNS' | \
-        tee /dev/stderr)" ]; then
-        failed=true
-    fi
-done
-test -z "$failed"
-echo Running: go fmt
-test -z "$(go fmt ${PACKAGES} | \
-        grep -v 'pkg/data/zz_generated_bindata.go' | \
-        tee /dev/stderr)"
+echo Running: golangci-lint
+golangci-lint run
 
 . ./scripts/version.sh