Update go version from 1.19 to 1.21 (openconfig#2270)

* update go version from 1.19 to 1.21

* update seed which is deprecated

* removing call to random seed

* Free up space for staticcheck (openconfig#2279)

---------

Co-authored-by: Brandon Stoll <[email protected]>

.github/workflows/go.yml

@@ -15,9 +15,9 @@ jobs:
     - name: Set up Go
       uses: actions/[email protected]
       with:
-        go-version: 1.19.x
+        go-version: 1.21.x
     - name: Cache
-      uses: actions/cache@v2
+      uses: actions/cache@v3
       with:
         path: |
           ~/go/pkg/mod
@@ -33,9 +33,9 @@ jobs:
       - name: Set up Go
         uses: actions/[email protected]
         with:
-          go-version: 1.19.x
+          go-version: 1.21.x
       - name: Cache
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         with:
           path: |
             ~/go/pkg/mod
@@ -58,11 +58,11 @@ jobs:
     - name: Install go
       uses: actions/setup-go@v2
       with:
-        go-version: '1.19'
+        go-version: '1.21'
     - name: Checkout code
       uses: actions/checkout@v3
     - name: Cache
-      uses: actions/cache@v2
+      uses: actions/cache@v3
       with:
         path: |
           ~/go/pkg/mod
@@ -103,4 +103,10 @@ jobs:
     - name: Get staticcheck
       run: go install honnef.co/go/tools/cmd/staticcheck@latest
     - name: Run staticcheck
-      run: GOGC=30 staticcheck ./...
+      run: |
+        # staticcheck requires a lot of free disk space in /tmp.  Free up worker
+        # space by removing unnecessary tooling.
+        sudo rm -rf /usr/share/dotnet
+        sudo rm -rf /usr/local/lib/android
+        sudo rm -rf /opt/hostedtoolcache/CodeQL
+        GOGC=30 staticcheck ./...

.github/workflows/protobufs.yml

@@ -15,7 +15,7 @@ jobs:
     - name: Install go
       uses: actions/setup-go@v2
       with:
-        go-version: '1.19'
+        go-version: '1.21'
     - name: Checkout code
       uses: actions/checkout@v3
     - name: Cache
@@ -87,13 +87,13 @@ jobs:
     - name: Install go
       uses: actions/setup-go@v2
       with:
-        go-version: '1.19'
+        go-version: '1.21'
     - name: Checkout code
       uses: actions/checkout@v3
       with:
         fetch-depth: 0
     - name: Cache
-      uses: actions/cache@v2
+      uses: actions/cache@v3
       with:
         path: |
           ~/go/pkg/mod

.github/workflows/wiki.yml

@@ -20,9 +20,9 @@ jobs:
     - name: Set up Go
       uses: actions/[email protected]
       with:
-        go-version: 1.19.x
+        go-version: 1.21.x
     - name: Cache
-      uses: actions/cache@v2
+      uses: actions/cache@v3
       with:
         path: |
           ~/go/pkg/mod

feature/gribi/otg_tests/weighted_balancing_test/setup_test.go

@@ -441,8 +441,6 @@ func generateRandomIpList(cidr string, count uint32) []string {
 	for net := range netsCh {
 		gotNets = append(gotNets, strings.ReplaceAll(net, "/32", ""))
 	}
-	// Seed the random number generator with the current time
-	rand.Seed(time.Now().UnixNano())
 
 	// Make a copy of the input slice to avoid modifying the original
 	randomized := make([]string, len(gotNets))

go.mod

@@ -1,6 +1,6 @@
 module github.com/openconfig/featureprofiles
 
-go 1.19
+go 1.21
 
 require (
 	cloud.google.com/go/pubsub v1.33.0