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751d3552dc
more detailed error if host file not found or cannot be opened using mkstemp and mkdtemp for improved security improve resource cleanup in error conditions in unit test
77 lines
2.5 KiB
Python
Executable File
77 lines
2.5 KiB
Python
Executable File
#!/usr/bin/env python
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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#
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# This script connects to the system vm socket and writes the
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# authorized_keys and cmdline data to it. The system VM then
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# reads it from /dev/vport0p1 in cloud_early_config
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#
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import argparse
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import os
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import socket
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SOCK_FILE = "/var/lib/libvirt/qemu/{name}.agent"
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PUB_KEY_FILE = "/root/.ssh/id_rsa.pub.cloud"
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MESSAGE = "pubkey:{key}\ncmdline:{cmdline}\n"
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def send_to_socket(sock_file, key_file, cmdline):
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if not os.path.exists(key_file):
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print("ERROR: ssh public key not found on host at {0}".format(key_file))
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return 1
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try:
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with open(key_file, "r") as f:
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pub_key = f.read()
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except IOError as e:
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print("ERROR: unable to open {0} - {1}".format(key_file, e.strerror))
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return 1
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# Keep old substitution from perl code:
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cmdline = cmdline.replace("%", " ")
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msg = MESSAGE.format(key=pub_key, cmdline=cmdline)
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if not os.path.exists(sock_file):
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print("ERROR: {0} socket not found".format(sock_file))
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return 1
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try:
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s = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
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s.connect(sock_file)
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s.sendall(msg)
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s.close()
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except IOError as e:
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print("ERROR: unable to connect to {0} - {1}".format(sock_file, e.strerror))
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return 1
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return 0 # Success
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if __name__ == "__main__":
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parser = argparse.ArgumentParser(description="Send configuration to system VM socket")
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parser.add_argument("-n", "--name", required=True, help="Name of VM")
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parser.add_argument("-p", "--cmdline", required=True, help="Command line")
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arguments = parser.parse_args()
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socket_file = SOCK_FILE.format(name=arguments.name)
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exit(send_to_socket(socket_file, PUB_KEY_FILE, arguments.cmdline))
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