Initial commit.

internal/tools/kubectl.go

@@ -0,0 +1,33 @@
+package tools
+
+import (
+	"os/exec"
+)
+
+// Kubectl provides a thin wrapper around the kubectl command-line tool
+type Kubectl struct {
+	kubeconfigPath string
+}
+
+// NewKubectl creates a new Kubectl wrapper
+func NewKubectl(kubeconfigPath string) *Kubectl {
+	return &Kubectl{
+		kubeconfigPath: kubeconfigPath,
+	}
+}
+
+// DeploymentExists checks if a deployment exists in the specified namespace
+func (k *Kubectl) DeploymentExists(name, namespace string) bool {
+	args := []string{
+		"get", "deployment", name,
+		"-n", namespace,
+	}
+
+	if k.kubeconfigPath != "" {
+		args = append([]string{"--kubeconfig", k.kubeconfigPath}, args...)
+	}
+
+	cmd := exec.Command("kubectl", args...)
+	err := cmd.Run()
+	return err == nil
+}