Add golangci (#62)

Author: vishesh92

.github/workflows/golangci-lint.yml

@@ -0,0 +1,38 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+name: golangci-lint
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+permissions:
+  contents: read
+  checks: write
+jobs:
+  golangci:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version: '1.19'
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v6

.golangci.yml

@@ -0,0 +1,53 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+linters-settings:
+  goheader:
+    template: |-
+       * Licensed to the Apache Software Foundation (ASF) under one
+        * or more contributor license agreements.  See the NOTICE file
+        * distributed with this work for additional information
+        * regarding copyright ownership.  The ASF licenses this file
+        * to you under the Apache License, Version 2.0 (the
+        * "License"); you may not use this file except in compliance
+        * with the License.  You may obtain a copy of the License at
+        *
+        *   http://www.apache.org/licenses/LICENSE-2.0
+        *
+        * Unless required by applicable law or agreed to in writing,
+        * software distributed under the License is distributed on an
+        * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+        * KIND, either express or implied.  See the License for the
+        * specific language governing permissions and limitations
+        * under the License.
+
+linters:
+  enable:
+    - goheader
+    - gosec
+    - gosimple
+    - govet
+    - ineffassign
+    - misspell
+    - staticcheck
+    - typecheck
+    - unused
+
+run:
+  modules-download-mode: readonly
+  timeout: 5m
+  issues-exit-code: 1

cloudstack_loadbalancer.go

@@ -299,7 +299,10 @@ func (cs *CSCloud) EnsureLoadBalancerDeleted(ctx context.Context, clusterName st
 			if err != nil {
 				klog.Errorf("Error parsing port: %v", err)
 			} else {
-				lb.deleteFirewallRule(lbRule.Publicipid, int(port), protocol)
+				_, err = lb.deleteFirewallRule(lbRule.Publicipid, int(port), protocol)
+				if err != nil {
+					klog.Errorf("Error deleting firewall rule: %v", err)
+				}
 			}
 
 			klog.V(4).Infof("Deleting load balancer rule: %v", lbRule.Name)
@@ -657,10 +660,7 @@ func compareStringSlice(x, y []string) bool {
 			delete(diff, _y)
 		}
 	}
-	if len(diff) == 0 {
-		return true
-	}
-	return false
+	return len(diff) == 0
 }
 
 func ruleToString(rule *cloudstack.FirewallRule) string {
@@ -699,7 +699,7 @@ func rulesToString(rules []*cloudstack.FirewallRule) string {
 func rulesMapToString(rules map[*cloudstack.FirewallRule]bool) string {
 	ls := &strings.Builder{}
 	first := true
-	for rule, _ := range rules {
+	for rule := range rules {
 		if first {
 			first = false
 		} else {
@@ -740,7 +740,6 @@ func (lb *loadBalancer) updateFirewallRule(publicIpId string, publicPort int, pr
 	for _, rule := range r.FirewallRules {
 		if rule.Protocol == protocol.IPProtocol() && rule.Startport == publicPort && rule.Endport == publicPort {
 			filtered[rule] = true
-		} else {
 		}
 	}
 	klog.V(4).Infof("Matching rules for %v: %v", lb.ipAddr, rulesMapToString(filtered))