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0acd3c12a2
As requested here: https://github.com/apache/cloudstack/pull/1495 No scripts are using perl so that install requirement can be removed. The new scripts are using standard python packages only. Includes extensive unit test.
81 lines
2.5 KiB
Python
Executable File
81 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 read_pub_key(key_file):
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try:
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if os.path.isfile(key_file):
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with open(key_file, "r") as f:
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return f.read()
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except IOError:
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return None
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def send_to_socket(sock_file, key_file, cmdline):
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pub_key = read_pub_key(key_file)
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if not pub_key:
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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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# 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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