fix: SSM 배포 안정성 개선

- IAM S3 권한에 s3:ListBucket 추가
- Phase 4 play에 KUBECONFIG 환경변수 명시
- ansible.cfg에서 SSH 설정 제거, deprecation 경고 억제

Author: WAFriend3416

IaC/3-v3/ansible/ansible.cfg

@@ -3,6 +3,4 @@ roles_path = ./roles
 inventory = ./inventory/aws_ec2.yaml
 host_key_checking = False
 timeout = 60
-
-[ssh_connection]
-pipelining = True
+deprecation_warnings = False

IaC/3-v3/ansible/playbooks/site.yml

@@ -30,6 +30,8 @@
 - name: Install cluster components
   hosts: role_control_plane
   become: true
+  environment:
+    KUBECONFIG: /home/ubuntu/.kube/config
   roles:
     - calico
     - ebs-csi

IaC/3-v3/aws/modules/iam/main.tf

@@ -98,7 +98,8 @@ resource "aws_iam_role_policy" "ssm_s3" {
         "s3:GetObject",
         "s3:PutObject",
         "s3:DeleteObject",
-        "s3:GetBucketLocation"
+        "s3:GetBucketLocation",
+        "s3:ListBucket"
       ]
       Resource = [
         "arn:aws:s3:::dojangkok-v3-ansible-ssm",