make sure to use bash shell

awx/uptime_app.yaml

@@ -23,11 +23,13 @@
     # 1. Local Prerequisites
     # -------------------------------------------------------------
     - name: Ensure uptime-kuma-api Python library is installed locally
-      ansible.builtin.shell: |
-        apt update
-        apt install python3-pip -y
-        python3 -m pip install --user uptime-kuma-api --break-system-packages
-        python3 -m pip install uptime-kuma-api --break-system-packages
+      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
+          python3 -m pip install uptime-kuma-api --break-system-packages
       register: pip_install
       changed_when: "'Successfully installed' in pip_install.stdout"
 
@@ -35,77 +37,91 @@
     # 2. Allocate Static Public IP (Idempotent)
     # -------------------------------------------------------------
     - name: Check if static IP exists
-      ansible.builtin.command: >
-        gcloud compute addresses describe {{ static_ip_name }}
-        --region={{ gcp_region }}
-        --project={{ gcp_project }}
+      ansible.builtin.shell:
+        executable: /bin/bash
+        cmd: |
+          gcloud compute addresses describe {{ static_ip_name }}
+          --region={{ gcp_region }}
+          --project={{ gcp_project }}
       register: ip_check
       failed_when: false
       changed_when: false
 
     - name: Allocate static external IP in GCP
-      ansible.builtin.command: >
-        gcloud compute addresses create {{ static_ip_name }}
-        --region={{ gcp_region }}
-        --project={{ gcp_project }}
-        --description="Static IP for Uptime Kuma"
+      ansible.builtin.shell:
+        executable: /bin/bash
+        cmd: |
+          gcloud compute addresses create {{ static_ip_name }}
+          --region={{ gcp_region }}
+          --project={{ gcp_project }}
+          --description="Static IP for Uptime Kuma"
       when: ip_check.rc != 0
 
     # -------------------------------------------------------------
     # 3. Create Firewall Rule (Port 3001)
     # -------------------------------------------------------------
     - name: Check if firewall rule exists
-      ansible.builtin.command: >
-        gcloud compute firewall-rules describe {{ firewall_rule_name }}
-        --project={{ gcp_project }}
+      ansible.builtin.shell:
+        executable: /bin/bash
+        cmd: |
+          gcloud compute firewall-rules describe {{ firewall_rule_name }}
+          --project={{ gcp_project }}
       register: fw_check
       failed_when: false
       changed_when: false
 
     - name: Allow TCP traffic to port 3001
-      ansible.builtin.command: >
-        gcloud compute firewall-rules create {{ firewall_rule_name }}
-        --project={{ gcp_project }}
-        --allow=tcp:3001
-        --target-tags=uptime-kuma
-        --source-ranges=0.0.0.0/0
-        --description="Allow traffic to Uptime Kuma UI & API"
+      ansible.builtin.shell:
+        executable: /bin/bash
+        cmd: |
+          gcloud compute firewall-rules create {{ firewall_rule_name }}
+          --project={{ gcp_project }}
+          --allow=tcp:3001
+          --target-tags=uptime-kuma
+          --source-ranges=0.0.0.0/0
+          --description="Allow traffic to Uptime Kuma UI & API"
       when: fw_check.rc != 0
 
     # -------------------------------------------------------------
     # 4. Provision VM with Container-Optimized OS
     # -------------------------------------------------------------
     - name: Check if instance already exists
-      ansible.builtin.command: >
-        gcloud compute instances describe {{ instance_name }}
-        --zone={{ gcp_zone }}
-        --project={{ gcp_project }}
+      ansible.builtin.shell:
+        executable: /bin/bash
+        cmd: |
+          gcloud compute instances describe {{ instance_name }}
+          --zone={{ gcp_zone }}
+          --project={{ gcp_project }}
       register: instance_check
       failed_when: false
       changed_when: false
 
     - name: Launch Compute Engine VM with Uptime Kuma container
-      ansible.builtin.command: >
-        gcloud compute instances create-with-container {{ instance_name }}
-        --project={{ gcp_project }}
-        --zone={{ gcp_zone }}
-        --machine-type={{ machine_type }}
-        --tags=uptime-kuma
-        --address={{ static_ip_name }}
-        --boot-disk-size=20GB
-        --container-image=louislam/uptime-kuma:1
-        --container-mount-host-path=host-path=/var/uptime-kuma,mount-path=/app/data,mode=rw
+      ansible.builtin.shell:
+        executable: /bin/bash
+        cmd: |
+          gcloud compute instances create-with-container {{ instance_name }}
+          --project={{ gcp_project }}
+          --zone={{ gcp_zone }}
+          --machine-type={{ machine_type }}
+          --tags=uptime-kuma
+          --address={{ static_ip_name }}
+          --boot-disk-size=20GB
+          --container-image=louislam/uptime-kuma:1
+          --container-mount-host-path=host-path=/var/uptime-kuma,mount-path=/app/data,mode=rw
       when: instance_check.rc != 0
 
     # -------------------------------------------------------------
     # 5. Fetch Public IP and Wait for Service Readiness
     # -------------------------------------------------------------
     - name: Fetch instance public IP address
-      ansible.builtin.command: >
-        gcloud compute instances describe {{ instance_name }}
-        --zone={{ gcp_zone }}
-        --project={{ gcp_project }}
-        --format="value(networkInterfaces[0].accessConfigs[0].natIP)"
+      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"