Merge pull request #5 from jeremiah-k/master

It works!

README.md

@@ -20,17 +20,25 @@ docker compose -f "docker-compose.yaml" up -d --build
 docker compose restart
 ```
 
-If modifying the scripts, use these commands to rebuild the containers from scratch:
+*Note: It is important to restart the containers after the first run so the virtual Meshtastic node can be rebooted after the `MESHTATIC_COMMAND_X:` commands that are definied in your `docker-compose.yaml` are issued.*
 
-```
-docker compose down --volumes
-docker compose build --no-cache
-docker compose up -d --force-recreate 
-```
 
 Use the following command to see the output of command_wrapper.py & the MESHTASTIC_COMMAND_X commands:
 ```
 docker exec -it mmrelaynode-app cat /home/mesh/app/command_output.txt
 ```
 
-Note: If you have several commands, it may take a few minutes to finish them all.
+The commands will only be executed the first time the container is started. To re-run the commands, delete the file flag file and restart the container.
+
+To delete the flag file:
+```
+docker exec -it mmrelaynode-app rm /home/mesh/app/.commands_executed
+```
+
+If modifying the scripts, use these commands to rebuild the containers from scratch:
+
+```
+docker compose down --volumes
+docker compose build --no-cache
+docker compose up -d --force-recreate 
+```

app/command_wrapper.py

@@ -2,8 +2,15 @@ import os
 import subprocess
 import time
 
+output_file = '/home/mesh/app/command_output.txt'
+flag_file = '/home/mesh/app/.commands_executed'
+
+# Remove the output file if it exists
+if os.path.exists(output_file):
+    os.remove(output_file)
+
 def log_to_file(message):
-    with open('/home/mesh/app/command_output.txt', 'a') as f:
+    with open(output_file, 'a') as f:
         f.write(message + "\n")
 
 def execute_meshtastic_command(options):
@@ -15,17 +22,23 @@ def execute_meshtastic_command(options):
     log_to_file("Standard Error:\n" + result.stderr)
     time.sleep(1)  # Pause for 1 second between commands
 
-# Print all environment variables at the start
-log_to_file("All environment variables:\n" + str(os.environ))
+if os.path.exists(flag_file):
+    log_to_file("Commands have already been executed previously. Skipping.")
+else:
+    # Print all environment variables at the start
+    log_to_file("All environment variables:\n" + str(os.environ))
 
-# Loop through environment variables in sequence
-index = 1
-while True:
-    command = os.environ.get(f'MESHTASTIC_COMMAND_{index}')
-    if command:
-        log_to_file(f"Found command variable: MESHTASTIC_COMMAND_{index} with value: {command}")
-        execute_meshtastic_command(command)
-        index += 1
-    else:
-        log_to_file(f"No more MESHTASTIC_COMMAND variables found, ending at index {index-1}.")
-        break
+    # Loop through environment variables in sequence
+    index = 1
+    while True:
+        command = os.environ.get(f'MESHTASTIC_COMMAND_{index}')
+        if command:
+            log_to_file(f"Found command variable: MESHTASTIC_COMMAND_{index} with value: {command}")
+            execute_meshtastic_command(command)
+            index += 1
+        else:
+            log_to_file(f"No more MESHTASTIC_COMMAND variables found, ending at index {index-1}.")
+            # Create the flag file to indicate that all commands have been executed.
+            with open(flag_file, 'w') as f:
+                f.write("Commands executed on: " + time.ctime())
+            break