From 2195ddb26452c72949e2389a4635251be0df6b72 Mon Sep 17 00:00:00 2001
From: aryansharma9917 <sharmaaryan9837@gmail.com>
Date: Sun, 15 Feb 2026 23:27:01 +0530
Subject: [PATCH 1/4] Add deployment failure diagnostics to capture pod details

---
 pkg/deploy/diagnostics.go | 87 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 87 insertions(+)
 create mode 100644 pkg/deploy/diagnostics.go

diff --git a/pkg/deploy/diagnostics.go b/pkg/deploy/diagnostics.go
new file mode 100644
index 0000000..8a45011
--- /dev/null
+++ b/pkg/deploy/diagnostics.go
@@ -0,0 +1,87 @@
+package deploy
+
+import (
+	"fmt"
+	"os/exec"
+	"strings"
+
+	"github.com/aryansharma9917/codewise-cli/pkg/env"
+)
+
+func getPods(namespace string, context string) ([]string, error) {
+
+	args := []string{
+		"get",
+		"pods",
+		"-n",
+		namespace,
+		"-o",
+		"name",
+	}
+
+	if context != "" {
+		args = append(args, "--context", context)
+	}
+
+	cmd := exec.Command("kubectl", args...)
+
+	out, err := cmd.Output()
+	if err != nil {
+		return nil, fmt.Errorf("failed to list pods")
+	}
+
+	lines := strings.Split(strings.TrimSpace(string(out)), "\n")
+
+	var pods []string
+	for _, line := range lines {
+		if strings.TrimSpace(line) != "" {
+			pods = append(pods, line)
+		}
+	}
+
+	return pods, nil
+}
+
+func describePod(pod string, namespace string, context string) {
+
+	fmt.Printf("\nDiagnostics for %s:\n", pod)
+
+	args := []string{
+		"describe",
+		pod,
+		"-n",
+		namespace,
+	}
+
+	if context != "" {
+		args = append(args, "--context", context)
+	}
+
+	cmd := exec.Command("kubectl", args...)
+	out, err := cmd.CombinedOutput()
+
+	if err != nil {
+		fmt.Println("failed to describe pod")
+		return
+	}
+
+	fmt.Println(string(out))
+}
+
+func FetchDiagnostics(environment *env.Env) {
+
+	ns := environment.K8s.Namespace
+	ctx := environment.K8s.Context
+
+	fmt.Println("\nFetching failure diagnostics...")
+
+	pods, err := getPods(ns, ctx)
+	if err != nil || len(pods) == 0 {
+		fmt.Println("No pods found for diagnostics.")
+		return
+	}
+
+	for _, pod := range pods {
+		describePod(pod, ns, ctx)
+	}
+}

From e8bf0fd576cf0f67591e28ab8a9c9a6d53751462 Mon Sep 17 00:00:00 2001
From: aryansharma9917 <sharmaaryan9837@gmail.com>
Date: Sun, 15 Feb 2026 23:27:07 +0530
Subject: [PATCH 2/4] Trigger diagnostics automatically when rollout fails

---
 pkg/deploy/deploy.go | 21 ++++++++-------------
 1 file changed, 8 insertions(+), 13 deletions(-)

diff --git a/pkg/deploy/deploy.go b/pkg/deploy/deploy.go
index d4fc39c..af2e650 100644
--- a/pkg/deploy/deploy.go
+++ b/pkg/deploy/deploy.go
@@ -9,18 +9,12 @@ func Run(envName string, dryRun bool) error {
 		return err
 	}
 
-	////////////////////////////////////
 	// PREFLIGHT
-	////////////////////////////////////
-
 	if err := Preflight(environment); err != nil {
 		return err
 	}
 
-	////////////////////////////////////
 	// ENSURE NAMESPACE
-	////////////////////////////////////
-
 	if err := EnsureNamespace(environment); err != nil {
 		return err
 	}
@@ -40,17 +34,18 @@ func Run(envName string, dryRun bool) error {
 		return err
 	}
 
-	////////////////////////////////////
-	// SKIP ROLLOUT FOR DRY RUN
-	////////////////////////////////////
-
 	if dryRun {
 		return nil
 	}
 
-	////////////////////////////////////
 	// MONITOR ROLLOUT
-	////////////////////////////////////
+	if err := MonitorRollout(environment); err != nil {
+
+		// fetch diagnostics on failure
+		FetchDiagnostics(environment)
+
+		return err
+	}
 
-	return MonitorRollout(environment)
+	return nil
 }

From 4352fe66bd40aef159ffbca7b22ca616d61acd10 Mon Sep 17 00:00:00 2001
From: aryansharma9917 <sharmaaryan9837@gmail.com>
Date: Sun, 15 Feb 2026 23:30:26 +0530
Subject: [PATCH 3/4] Use invalid image tag to test deployment failure
 diagnostics

---
 helm/chart/templates/deployment.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/helm/chart/templates/deployment.yaml b/helm/chart/templates/deployment.yaml
index 03b19c0..319448f 100644
--- a/helm/chart/templates/deployment.yaml
+++ b/helm/chart/templates/deployment.yaml
@@ -20,6 +20,6 @@ spec:
     spec:
       containers:
         - name: app
-          image: nginx:latest
+          image: nginx:does-not-exist
           ports:
             - containerPort: 80

From f18f8cdde283de919735ace84518db8ce660cef6 Mon Sep 17 00:00:00 2001
From: aryansharma9917 <sharmaaryan9837@gmail.com>
Date: Sun, 15 Feb 2026 23:32:29 +0530
Subject: [PATCH 4/4] Revert test image and restore stable deployment
 configuration

---
 helm/chart/templates/deployment.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/helm/chart/templates/deployment.yaml b/helm/chart/templates/deployment.yaml
index 319448f..03b19c0 100644
--- a/helm/chart/templates/deployment.yaml
+++ b/helm/chart/templates/deployment.yaml
@@ -20,6 +20,6 @@ spec:
     spec:
       containers:
         - name: app
-          image: nginx:does-not-exist
+          image: nginx:latest
           ports:
             - containerPort: 80