Clean runner state before AMI creation and add push trigger

- Stop runner service and remove registration/credentials
- Clear temp files and bash history
- Add push trigger for testing on ji/ami-prebuild branch

Signed-off-by: Claude <[email protected]>

Author: joseph-isaacs

.github/actions/build-ami/action.yml

@@ -59,6 +59,28 @@ runs:
         cargo install cargo-hack --locked
         cargo install grcov --locked
 
+    - name: Clean runner state before AMI creation
+      shell: bash
+      run: |
+        # Stop the GitHub Actions runner service
+        sudo systemctl stop actions.runner.* || true
+
+        # Remove runner registration and credentials
+        sudo rm -rf /home/runner/actions-runner/.runner || true
+        sudo rm -rf /home/runner/actions-runner/.credentials* || true
+        sudo rm -rf /home/runner/actions-runner/_diag || true
+        sudo rm -rf /home/runner/actions-runner/_work || true
+
+        # Clear any cached runner state
+        sudo rm -rf /tmp/* || true
+        sudo rm -rf /var/tmp/* || true
+
+        # Clear bash history
+        cat /dev/null > ~/.bash_history || true
+        history -c || true
+
+        echo "Runner state cleaned for AMI creation"
+
     - name: Create AMI
       id: create-ami
       shell: bash

.github/workflows/ami-prebuild.yml

@@ -3,6 +3,12 @@ name: AMI Prebuild
 # Schedule to run every 15 days to keep runner agent up to date
 # GitHub stops routing jobs to runners with agents older than 30 days
 on:
+  # TODO: Remove push trigger after testing
+  push:
+    branches: [ji/ami-prebuild]
+    paths:
+      - ".github/workflows/ami-prebuild.yml"
+      - ".github/actions/build-ami/**"
   schedule:
     # Run at 00:00 UTC on the 1st and 16th of each month (~15 days apart)
     - cron: "0 0 1,16 * *"