Add deployment logs command to fetch pod logs

Author: AryanSharma9917

pkg/deploy/logs.go

@@ -0,0 +1,70 @@
+package deploy
+
+import (
+	"fmt"
+	"os/exec"
+	"strings"
+)
+
+func Logs(envName string, follow bool) error {
+
+	environment, err := LoadEnvironment(envName)
+	if err != nil {
+		return err
+	}
+
+	ns := environment.K8s.Namespace
+	ctx := environment.K8s.Context
+
+	// Get pods
+	args := []string{
+		"get",
+		"pods",
+		"-n",
+		ns,
+		"-o",
+		"name",
+	}
+
+	if ctx != "" {
+		args = append(args, "--context", ctx)
+	}
+
+	cmd := exec.Command("kubectl", args...)
+	out, err := cmd.Output()
+	if err != nil {
+		return fmt.Errorf("failed to fetch pods")
+	}
+
+	lines := strings.Split(strings.TrimSpace(string(out)), "\n")
+	if len(lines) == 0 || lines[0] == "" {
+		return fmt.Errorf("no pods found")
+	}
+
+	// Take first pod
+	pod := lines[0]
+
+	fmt.Println("Fetching logs for:", pod)
+	fmt.Println()
+
+	logArgs := []string{
+		"logs",
+		pod,
+		"-n",
+		ns,
+	}
+
+	if follow {
+		logArgs = append(logArgs, "-f")
+	}
+
+	if ctx != "" {
+		logArgs = append(logArgs, "--context", ctx)
+	}
+
+	logCmd := exec.Command("kubectl", logArgs...)
+	logCmd.Stdout = nil
+	logCmd.Stderr = nil
+
+	return logCmd.Run()
+}