WIP: Add rootfs building and flashing and other misc commands

forwarding.py

@@ -0,0 +1,38 @@
+import click
+import subprocess
+from logger import *
+
+
+@click.command(name='forwarding')
+@verbose_option
+def cmd_forwarding(verbose):
+    setup_logging(verbose)
+
+    result = subprocess.run(['sysctl', 'net.ipv4.ip_forward=1'])
+    if result.returncode != 0:
+        logging.fatal(f'Failed to enable ipv4 forward via sysctl')
+        exit(1)
+
+    result = subprocess.run(['iptables', '-P', 'FORWARD', 'ACCEPT'])
+    if result.returncode != 0:
+        logging.fatal(f'Failed set iptables rule')
+        exit(1)
+
+    result = subprocess.run(['iptables',
+                             '-A', 'POSTROUTING',
+                             '-t', 'nat',
+                             '-j', 'MASQUERADE',
+                             '-s', '172.16.42.0/24'])
+    if result.returncode != 0:
+        logging.fatal(f'Failed set iptables rule')
+        exit(1)
+
+    result = subprocess.run(['ssh',
+                             '-o', 'GlobalKnownHostsFile=/dev/null',
+                             '-o', 'UserKnownHostsFile=/dev/null',
+                             '-o', 'StrictHostKeyChecking=no',
+                             '-t', 'kupfer@172.16.42.1',
+                             'sudo route add default gw 172.16.42.2'])
+    if result.returncode != 0:
+        logging.fatal(f'Failed to add gateway over ssh')
+        exit(1)