fix: Ansible 배포 블로커 3건 수정

- Helm 설치 추가 (gateway-fabric role에서 필요)
- kubeadm join에 --node-name 추가 (label 시 노드 이름 불일치 방지)
- Calico YAML cidr 값 Jinja2 인용 수정
- SSM Agent snap → deb 패키지로 변경 (ARM64 안정성)

Author: WAFriend3416

IaC/3-v3/ansible/roles/calico/tasks/main.yml

@@ -23,7 +23,7 @@
       spec:
         calicoNetwork:
           ipPools:
-            - cidr: {{ pod_cidr }}
+            - cidr: "{{ pod_cidr }}"
               encapsulation: VXLAN
               natOutgoing: Enabled
           mtu: {{ calico_vxlan_mtu }}

IaC/3-v3/ansible/roles/kubeadm-init/tasks/main.yml

@@ -44,6 +44,12 @@
   set_fact:
     kubeadm_join_command: "{{ join_command.stdout }}"
 
+- name: Install Helm
+  shell: |
+    curl -fsSL https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3 | bash
+  args:
+    creates: /usr/local/bin/helm
+
 - name: Label CP node
   command: >
     kubectl label node {{ inventory_hostname }}

IaC/3-v3/ansible/roles/kubeadm-join/tasks/main.yml

@@ -9,7 +9,7 @@
   register: kubelet_conf
 
 - name: Join cluster
-  command: "{{ hostvars[groups['role_control_plane'][0]].kubeadm_join_command }}"
+  command: "{{ hostvars[groups['role_control_plane'][0]].kubeadm_join_command }} --node-name={{ inventory_hostname }}"
   when: not kubelet_conf.stat.exists
 
 - name: Label worker node (from CP)

IaC/3-v3/aws/modules/k8s-nodes/main.tf

@@ -66,9 +66,11 @@ resource "aws_instance" "control_plane" {
 locals {
   ssm_user_data = <<-EOF
     #!/bin/bash
-    snap install amazon-ssm-agent --classic
-    systemctl enable snap.amazon-ssm-agent.amazon-ssm-agent.service
-    systemctl start snap.amazon-ssm-agent.amazon-ssm-agent.service
+    mkdir -p /tmp/ssm && cd /tmp/ssm
+    curl -fsSL "https://s3.amazonaws.com/ec2-downloads-ssm/latest/debian_arm64/amazon-ssm-agent.deb" -o amazon-ssm-agent.deb
+    dpkg -i amazon-ssm-agent.deb
+    systemctl enable amazon-ssm-agent
+    systemctl start amazon-ssm-agent
   EOF
 
   # workers_per_az × 3 AZ → 플랫 맵 생성