make sure to use bash shell

awx/uptime_app.yaml

@@ -23,7 +23,9 @@
     # 1. Local Prerequisites
     # -------------------------------------------------------------
     - name: Ensure uptime-kuma-api Python library is installed locally
-      ansible.builtin.shell: |
+      ansible.builtin.shell:
+        executable: /bin/bash
+        cmd: |
           apt update
           apt install python3-pip -y
           python3 -m pip install --user uptime-kuma-api --break-system-packages
@@ -35,7 +37,9 @@
     # 2. Allocate Static Public IP (Idempotent)
     # -------------------------------------------------------------
     - name: Check if static IP exists
-      ansible.builtin.command: >
+      ansible.builtin.shell:
+        executable: /bin/bash
+        cmd: |
           gcloud compute addresses describe {{ static_ip_name }}
           --region={{ gcp_region }}
           --project={{ gcp_project }}
@@ -44,7 +48,9 @@
       changed_when: false
 
     - name: Allocate static external IP in GCP
-      ansible.builtin.command: >
+      ansible.builtin.shell:
+        executable: /bin/bash
+        cmd: |
           gcloud compute addresses create {{ static_ip_name }}
           --region={{ gcp_region }}
           --project={{ gcp_project }}
@@ -55,7 +61,9 @@
     # 3. Create Firewall Rule (Port 3001)
     # -------------------------------------------------------------
     - name: Check if firewall rule exists
-      ansible.builtin.command: >
+      ansible.builtin.shell:
+        executable: /bin/bash
+        cmd: |
           gcloud compute firewall-rules describe {{ firewall_rule_name }}
           --project={{ gcp_project }}
       register: fw_check
@@ -63,7 +71,9 @@
       changed_when: false
 
     - name: Allow TCP traffic to port 3001
-      ansible.builtin.command: >
+      ansible.builtin.shell:
+        executable: /bin/bash
+        cmd: |
           gcloud compute firewall-rules create {{ firewall_rule_name }}
           --project={{ gcp_project }}
           --allow=tcp:3001
@@ -76,7 +86,9 @@
     # 4. Provision VM with Container-Optimized OS
     # -------------------------------------------------------------
     - name: Check if instance already exists
-      ansible.builtin.command: >
+      ansible.builtin.shell:
+        executable: /bin/bash
+        cmd: |
           gcloud compute instances describe {{ instance_name }}
           --zone={{ gcp_zone }}
           --project={{ gcp_project }}
@@ -85,7 +97,9 @@
       changed_when: false
 
     - name: Launch Compute Engine VM with Uptime Kuma container
-      ansible.builtin.command: >
+      ansible.builtin.shell:
+        executable: /bin/bash
+        cmd: |
           gcloud compute instances create-with-container {{ instance_name }}
           --project={{ gcp_project }}
           --zone={{ gcp_zone }}
@@ -101,11 +115,13 @@
     # 5. Fetch Public IP and Wait for Service Readiness
     # -------------------------------------------------------------
     - name: Fetch instance public IP address
-      ansible.builtin.command: >
+      ansible.builtin.shell:
+        cmd: |
           gcloud compute instances describe {{ instance_name }}
           --zone={{ gcp_zone }}
           --project={{ gcp_project }}
           --format="value(networkInterfaces[0].accessConfigs[0].natIP)"
+        executable: /bin/bash
       register: vm_ip
       changed_when: false
 
@@ -126,8 +142,8 @@
     # 6. Non-Interactive Configuration via API
     # -------------------------------------------------------------
     - name: Perform headless setup and add monitor
-      ansible.builtin.command:
-        cmd: >
+      ansible.builtin.shell:
+        cmd: |
           python3 -c "
           import sys
           from uptime_kuma_api import UptimeKumaApi, MonitorType
@@ -158,6 +174,7 @@
 
           api.disconnect()
           "
+        executable: /bin/bash
       register: setup_output
       changed_when: "'MONITOR_ADDED' in setup_output.stdout"