support go1.17 and remove go1.15 (#2532)

.circleci/config.yml

@@ -2,16 +2,14 @@ version: 2
 jobs:
   go-version-latest:
     docker:
-      - image: circleci/golang:1.16-node
-    working_directory: /go/src/github.com/fatedier/frp
+      - image: cimg/go:1.17-node
     steps:
       - checkout
       - run: make
       - run: make alltest
   go-version-last:
     docker:
-      - image: circleci/golang:1.15-node
-    working_directory: /go/src/github.com/fatedier/frp
+      - image: cimg/go:1.16-node
     steps:
       - checkout
       - run: make

.github/workflows/build-and-push-image.yml

@@ -17,7 +17,7 @@ jobs:
       - name: Set up Go 1.x
         uses: actions/setup-go@v2
         with:
-          go-version: 1.16
+          go-version: 1.17
 
       - run: |
           # https://github.com/actions/setup-go/issues/107

.github/workflows/goreleaser.yml

@@ -15,7 +15,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v2
         with:
-          go-version: 1.16
+          go-version: 1.17
           
       - run: |
           # https://github.com/actions/setup-go/issues/107

hack/run-e2e.sh

@@ -5,7 +5,7 @@ ROOT=$(unset CDPATH && cd $(dirname "${BASH_SOURCE[0]}")/.. && pwd)
 which ginkgo &> /dev/null
 if [ $? -ne 0 ]; then
     echo "ginkgo not found, try to install..."
-    go get -u github.com/onsi/ginkgo/ginkgo
+    go install github.com/onsi/ginkgo/ginkgo@latest
 fi
 
 debug=false