Removing duplicate IPs for 5 node cluster

Signed-off-by: Arvinth C <[email protected]>

components/automate-cli/cmd/chef-automate/verify.go

@@ -18,6 +18,7 @@ import (
 	"github.com/chef/automate/components/automate-cli/pkg/verifyserver/server"
 	"github.com/chef/automate/components/automate-cli/pkg/verifysystemdcreate"
 	"github.com/chef/automate/components/automate-deployment/pkg/cli"
+	"github.com/chef/automate/lib/arrayutils"
 	"github.com/chef/automate/lib/config"
 	"github.com/chef/automate/lib/httputils"
 	"github.com/chef/automate/lib/logger"
@@ -484,8 +485,11 @@ func (v *verifyCmdFlow) runVerifyServiceForRemote(batchCheckConfig models.Config
 			return nil, err
 		}
 
+		// Remove duplicates
+		hostIpWihtoutDuplicates := arrayutils.RemoveStringDuplicates(hostIPs)
+
 		// Starting automate-verify service on remote nodes
-		err = v.startServiceOnRemoteNodes(destFileName, sshConfig, hostIPs)
+		err = v.startServiceOnRemoteNodes(destFileName, sshConfig, hostIpWihtoutDuplicates)
 		if err != nil {
 			return nil, err
 		}

lib/arrayutils/remove_duplicate.go

@@ -0,0 +1,15 @@
+package arrayutils
+
+import (
+	"golang.org/x/exp/slices"
+)
+
+func RemoveStringDuplicates(inputArray []string) []string {
+	arrayWithoutDuplicate := []string{}
+	for _, item := range inputArray {
+		if !slices.Contains(arrayWithoutDuplicate, item) {
+			arrayWithoutDuplicate = append(arrayWithoutDuplicate, item)
+		}
+	}
+	return arrayWithoutDuplicate
+}

lib/arrayutils/remove_duplicate_test.go

@@ -0,0 +1,51 @@
+package arrayutils_test
+
+import (
+	"testing"
+
+	"github.com/bmizerany/assert"
+	"github.com/chef/automate/lib/arrayutils"
+)
+
+func TestRemoveStringDuplicates(t *testing.T) {
+
+	testCases := []struct {
+		title         string
+		inputArray    []string
+		expectedArray []string
+		wantErr       bool
+		expectedErr   error
+	}{
+		{
+			title:         "Have duplicate value",
+			inputArray:    []string{"0.0.0.0", "0.0.0.0", "0.0.0.1"},
+			expectedArray: []string{"0.0.0.0", "0.0.0.1"},
+			wantErr:       false,
+			expectedErr:   nil,
+		},
+		{
+			title:         "Have no duplicate value",
+			inputArray:    []string{"0.0.0.0", "0.0.0.1"},
+			expectedArray: []string{"0.0.0.0", "0.0.0.1"},
+			wantErr:       false,
+			expectedErr:   nil,
+		},
+		{
+			title:         "empty array",
+			inputArray:    []string{"0.0.0.0", "0.0.0.1"},
+			expectedArray: []string{"0.0.0.0", "0.0.0.1"},
+			wantErr:       false,
+			expectedErr:   nil,
+		},
+	}
+	for _, testCase := range testCases {
+		t.Run(testCase.title, func(t *testing.T) {
+			output := arrayutils.RemoveStringDuplicates(testCase.inputArray)
+			if !testCase.wantErr {
+				// assert.Error(t, err)
+				assert.Equal(t, testCase.expectedArray, output)
+			}
+		})
+	}
+
+}