Make floatup install the vagrant insecure SSH key

scripts/floatup.py

@@ -12,6 +12,37 @@ import subprocess
 import yaml
 
 
+# The Vagrant "insecure" SSH key that is used to log onto the VMs.
+INSECURE_PRIVATE_KEY = '''-----BEGIN RSA PRIVATE KEY-----
+MIIEogIBAAKCAQEA6NF8iallvQVp22WDkTkyrtvp9eWW6A8YVr+kz4TjGYe7gHzI
+w+niNltGEFHzD8+v1I2YJ6oXevct1YeS0o9HZyN1Q9qgCgzUFtdOKLv6IedplqoP
+kcmF0aYet2PkEDo3MlTBckFXPITAMzF8dJSIFo9D8HfdOV0IAdx4O7PtixWKn5y2
+hMNG0zQPyUecp4pzC6kivAIhyfHilFR61RGL+GPXQ2MWZWFYbAGjyiYJnAmCP3NO
+Td0jMZEnDkbUvxhMmBYSdETk1rRgm+R4LOzFUGaHqHDLKLX+FIPKcF96hrucXzcW
+yLbIbEgE98OHlnVYCzRdK8jlqm8tehUc9c9WhQIBIwKCAQEA4iqWPJXtzZA68mKd
+ELs4jJsdyky+ewdZeNds5tjcnHU5zUYE25K+ffJED9qUWICcLZDc81TGWjHyAqD1
+Bw7XpgUwFgeUJwUlzQurAv+/ySnxiwuaGJfhFM1CaQHzfXphgVml+fZUvnJUTvzf
+TK2Lg6EdbUE9TarUlBf/xPfuEhMSlIE5keb/Zz3/LUlRg8yDqz5w+QWVJ4utnKnK
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+cXN7S1uePXuJRK/5hsubaOCx3Owd2u9gD6Oq0CsMkE4CUSiJcYrMANtx54cGH7Rk
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+3OVdUN0UgXNCSaf/3A/phbeBQe9xS+3mpc4r6qvx+iy69mNBeNZ0xOitIjpjBo2+
+dBEjSBwLk5q5tJqHmy/jKMJL4n9ROlx93XS+njxgibTvU6Fp9w+NOFD/HvxB3Tcz
+6+jJF85D5BNAG3DBMKBjAoGBAOAxZvgsKN+JuENXsST7F89Tck2iTcQIT8g5rwWC
+P9Vt74yboe2kDT531w8+egz7nAmRBKNM751U/95P9t88EDacDI/Z2OwnuFQHCPDF
+llYOUI+SpLJ6/vURRbHSnnn8a/XG+nzedGH5JGqEJNQsz+xT2axM0/W/CRknmGaJ
+kda/AoGANWrLCz708y7VYgAtW2Uf1DPOIYMdvo6fxIB5i9ZfISgcJ/bbCUkFrhoH
++vq/5CIWxCPp0f85R4qxxQ5ihxJ0YDQT9Jpx4TMss4PSavPaBH3RXow5Ohe+bYoQ
+NE5OgEXk2wVfZczCZpigBKbKZHNYcelXtTt/nP3rsCuGcM4h53s=
+-----END RSA PRIVATE KEY-----
+'''
+
+
 def parse_inventory(path, host_attrs):
     with open(path) as fd:
         inventory = yaml.safe_load(fd)
@@ -35,7 +66,7 @@ def do_request(url, ssh_gw, payload):
         shlex.quote(data), url)
     if ssh_gw:
         cmd = "ssh %s %s" % (ssh_gw, shlex.quote(cmd))
-    print(f'running: {cmd}')
+
     output = subprocess.check_output(cmd, shell=True)
     try:
         return json.loads(output)
@@ -44,6 +75,18 @@ def do_request(url, ssh_gw, payload):
         raise
 
 
+def install_ssh_key():
+    # Install the SSH key as Vagrant would do, for compatibility.
+    key_path = os.path.join(
+        os.getenv('HOME'), '.vagrant.d', 'insecure_private_key')
+    if os.path.exists(key_path):
+        return
+    os.makedirs(os.path.dirname(key_path), mode=0o700, exist_ok=True)
+    with open(key_path, 'w') as fd:
+        fd.write(INSECURE_PRIVATE_KEY)
+    os.chmod(key_path, 0o600)
+
+
 def main():
     parser = argparse.ArgumentParser()
     parser.add_argument(
@@ -86,6 +129,8 @@ def main():
         with open(args.state_file, 'w') as fd:
             fd.write(resp['group_id'])
 
+        install_ssh_key()
+
     elif args.cmd == 'down':
         try:
             with open(args.state_file) as fd: