92048aad1c
The content of this branch was automatically imported from Fedora ELN with the following as its source: https://src.fedoraproject.org/rpms/initscripts#f8e9330962930fc75f428a2de3edb2e271500559
292 lines
11 KiB
Python
Executable File
292 lines
11 KiB
Python
Executable File
#!/usr/bin/env python
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import argparse
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import errno
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import json
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import os
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import shutil
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import shlex
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import signal
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import socket
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import subprocess
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import sys
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import tempfile
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import time
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import distutils.util
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IDENTITY = """
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-----BEGIN RSA PRIVATE KEY-----
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MIIEpQIBAAKCAQEA1DrTSXQRF8isQQfPfK3U+eFC4zBrjur+Iy15kbHUYUeSHf5S
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jXPYbHYqD1lHj4GJajC9okle9rykKFYZMmJKXLI6987wZ8vfucXo9/kwS6BDAJto
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ZpZSj5sWCQ1PI0Ce8CbkazlTp5NIkjRfhXGP8mkNKMEhdNjaYceO49ilnNCIxhpb
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eH5dH5hybmQQNmnzf+CGCCLBFmc4g3sFbWhI1ldyJzES5ZX3ahjJZYRUfnndoUM/
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TzdkHGqZhL1EeFAsv5iV65HuYbchch4vBAn8jDMmHh8G1ixUCL3uAlosfarZLLyo
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3HrZ8U/llq7rXa93PXHyI/3NL/2YP3OMxE8baQIDAQABAoIBAQCxuOUwkKqzsQ9W
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kdTWArfj3RhnKigYEX9qM+2m7TT9lbKtvUiiPc2R3k4QdmIvsXlCXLigyzJkCsqp
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IJiPEbJV98bbuAan1Rlv92TFK36fBgC15G5D4kQXD/ce828/BSFT2C3WALamEPdn
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v8Xx+Ixjokcrxrdeoy4VTcjB0q21J4C2wKP1wEPeMJnuTcySiWQBdAECCbeZ4Vsj
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cmRdcvL6z8fedRPtDW7oec+IPkYoyXPktVt8WsQPYkwEVN4hZVBneJPCcuhikYkp
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T3WGmPV0MxhUvCZ6hSG8D2mscZXRq3itXVlKJsUWfIHaAIgGomWrPuqC23rOYCdT
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5oSZmTvFAoGBAPs1FbbxDDd1fx1hisfXHFasV/sycT6ggP/eUXpBYCqVdxPQvqcA
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ktplm5j04dnaQJdHZ8TPlwtL+xlWhmhFhlCFPtVpU1HzIBkp6DkSmmu0gvA/i07Z
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pzo5Z+HRZFzruTQx6NjDtvWwiXVLwmZn2oiLeM9xSqPu55OpITifEWNjAoGBANhH
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XwV6IvnbUWojs7uiSGsXuJOdB1YCJ+UF6xu8CqdbimaVakemVO02+cgbE6jzpUpo
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krbDKOle4fIbUYHPeyB0NMidpDxTAPCGmiJz7BCS1fCxkzRgC+TICjmk5zpaD2md
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HCrtzIeHNVpTE26BAjOIbo4QqOHBXk/WPen1iC3DAoGBALsD3DSj46puCMJA2ebI
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2EoWaDGUbgZny2GxiwrvHL7XIx1XbHg7zxhUSLBorrNW7nsxJ6m3ugUo/bjxV4LN
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L59Gc27ByMvbqmvRbRcAKIJCkrB1Pirnkr2f+xx8nLEotGqNNYIawlzKnqr6SbGf
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Y2wAGWKmPyEoPLMLWLYkhfdtAoGANsFa/Tf+wuMTqZuAVXCwhOxsfnKy+MNy9jiZ
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XVwuFlDGqVIKpjkmJyhT9KVmRM/qePwgqMSgBvVOnszrxcGRmpXRBzlh6yPYiQyK
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2U4f5dJG97j9W7U1TaaXcCCfqdZDMKnmB7hMn8NLbqK5uLBQrltMIgt1tjIOfofv
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BNx0raECgYEApAvjwDJ75otKz/mvL3rUf/SNpieODBOLHFQqJmF+4hrSOniHC5jf
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f5GS5IuYtBQ1gudBYlSs9fX6T39d2avPsZjfvvSbULXi3OlzWD8sbTtvQPuCaZGI
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Df9PUWMYZ3HRwwdsYovSOkT53fG6guy+vElUEDkrpZYczROZ6GUcx70=
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-----END RSA PRIVATE KEY-----
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"""
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USER_DATA = """#cloud-config
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users:
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- default
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- name: root
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groups: sudo
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shell: /bin/bash
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ssh_authorized_keys:
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- ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDUOtNJdBEXyKxBB898rdT54ULjMGuO6v4jLXmRsdRhR5Id/lKNc9hsdioPWUePgYlqML2iSV72vKQoVhkyYkpcsjr3zvBny9+5xej3+TBLoEMAm2hmllKPmxYJDU8jQJ7wJuRrOVOnk0iSNF+FcY/yaQ0owSF02Nphx47j2KWc0IjGGlt4fl0fmHJuZBA2afN/4IYIIsEWZziDewVtaEjWV3InMRLllfdqGMllhFR+ed2hQz9PN2QcapmEvUR4UCy/mJXrke5htyFyHi8ECfyMMyYeHwbWLFQIve4CWix9qtksvKjcetnxT+WWrutdr3c9cfIj/c0v/Zg/c4zETxtp standard-test-qcow2
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ssh_pwauth: True
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chpasswd:
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list: |
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root:foobar
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expire: False
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runcmd:
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- mkfs.ext4 /dev/sdb
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- mount /dev/sdb /usr/local
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- sudo mount -o remount,rw /usr
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- mkdir /expected /output
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"""
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def main(argv):
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parser = argparse.ArgumentParser(description="Inventory for a QCow2 test image")
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parser.add_argument("--list", action="store_true", help="Verbose output")
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parser.add_argument('--host', help="Get host variables")
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parser.add_argument("subjects", nargs="*", default=shlex.split(os.environ.get("TEST_SUBJECTS", "")))
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opts = parser.parse_args()
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try:
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if opts.host:
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data = host(opts.host)
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else:
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data = list(opts.subjects)
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sys.stdout.write(json.dumps(data, indent=4, separators=(',', ': ')))
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except RuntimeError as ex:
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sys.stderr.write("{0}: {1}\n".format(os.path.basename(sys.argv[0]), str(ex)))
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return 1
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return 0
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def list(subjects):
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hosts = []
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variables = {}
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for subject in subjects:
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if subject.endswith((".qcow2", ".qcow2c")):
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vars = host(subject)
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if vars:
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hosts.append(subject)
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variables[subject] = vars
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return {"localhost": {"hosts": hosts, "vars": {}}, "subjects": {"hosts": hosts, "vars": {}},
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"_meta": {"hostvars": variables}}
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def start_qemu(image, cloudinit, log, disk_directory=None, disk_size=None, portrange=(2222, 5555)):
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for port in xrange(*portrange):
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sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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try:
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sock.bind(("127.0.0.3", port))
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if disk_size:
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return subprocess.Popen(["/usr/bin/qemu-system-x86_64", "-m", "1024", image,
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"-enable-kvm", "-snapshot", "-cdrom", cloudinit,
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"-hdb", disk_directory,
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"-net", "nic,model=virtio", "-net",
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"user,hostfwd=tcp:127.0.0.3:{0}-:22".format(port),
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"-device", "isa-serial,chardev=pts2", "-chardev", "file,id=pts2,path=" + log,
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"-display", "none"], stdout=open(os.devnull, 'w')), port
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else:
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return subprocess.Popen(["/usr/bin/qemu-system-x86_64", "-m", "1024", image,
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"-enable-kvm", "-snapshot", "-cdrom", cloudinit,
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"-net", "nic,model=virtio", "-net",
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"user,hostfwd=tcp:127.0.0.3:{0}-:22".format(port),
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"-device", "isa-serial,chardev=pts2", "-chardev", "file,id=pts2,path=" + log,
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"-display", "none"], stdout=open(os.devnull, 'w')), port
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except IOError:
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pass
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finally:
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sock.close()
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else:
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raise RuntimeError("unable to find free local port to map SSH to")
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def host(image):
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null = open(os.devnull, 'w')
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try:
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tty = os.open("/dev/tty", os.O_WRONLY)
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os.dup2(tty, 2)
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except OSError:
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tty = None
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pass
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# A directory for temporary stuff
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directory = tempfile.mkdtemp(prefix="inventory-cloud")
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identity = os.path.join(directory, "identity")
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with open(identity, 'w') as f:
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f.write(IDENTITY)
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os.chmod(identity, 0o600)
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metadata = os.path.join(directory, "meta-data")
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with open(metadata, 'w') as f:
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f.write("")
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userdata = os.path.join(directory, "user-data")
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with open(userdata, 'w') as f:
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f.write(USER_DATA)
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# Create additional disk
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disk_size = None
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disk_directory = None
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try:
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disk_size = os.environ.get("EXTEND_DISK_SIZE")
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if disk_size:
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sys.stderr.write("\nCreate additional cloud init disk DISK SIZE {}\n".format(disk_size))
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disk_directory = "{}/atomic-host-disk2-{}".format(directory, disk_size)
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subprocess.check_call(["qemu-img", "create", "-f", "qcow2", disk_directory, disk_size], stdout=null)
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except KeyError:
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sys.stderr.write("\nCouldn't create additional cloud init disk DISK SIZE\n")
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pass
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# Create our cloud init so we can log in
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cloudinit = os.path.join(directory, "cloud-init.iso")
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subprocess.check_call(["/usr/bin/genisoimage", "-input-charset", "utf-8",
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"-volid", "cidata", "-joliet", "-rock", "-quiet",
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"-output", cloudinit, userdata, metadata], stdout=null)
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# Determine if virtual machine should be kept available for diagnosis after completion
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try:
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diagnose = distutils.util.strtobool(os.getenv("TEST_DEBUG", "0"))
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except ValueError:
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diagnose = 0
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sys.stderr.write("Launching virtual machine for {0}\n".format(image))
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# And launch the actual VM
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artifacts = os.environ.get("TEST_ARTIFACTS", os.path.join(os.getcwd(), "artifacts"))
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try:
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os.makedirs(artifacts)
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except OSError as exc:
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if exc.errno != errno.EEXIST or not os.path.isdir(artifacts):
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raise
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log = os.path.join(artifacts, "{0}.log".format(os.path.basename(image)))
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proc = None # for failure detection
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cpe = None # for exception scoping
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for tries in xrange(0, 5):
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try:
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proc, port = start_qemu(image, cloudinit, log, disk_directory=disk_directory, disk_size=disk_size)
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break
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except subprocess.CalledProcessError as cpe:
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time.sleep(1)
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continue
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if proc is None:
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raise RuntimeError("Could not launch VM for qcow2 image"
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" '{0}':{1}".format(image, cpe.output))
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# The variables
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variables = {"ansible_ssh_port": "{0}".format(port),
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"ansible_ssh_host": "127.0.0.3",
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"ansible_ssh_user": "root",
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"ansible_ssh_pass": "foobar",
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"ansible_ssh_private_key_file": identity,
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"ansible_ssh_common_args": "-o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no"}
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# Write out a handy inventory file, for our use and for debugging
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args = " ".join(["{0}='{1}'".format(*item) for item in variables.items()])
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inventory = os.path.join(directory, "inventory")
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with open(inventory, "w") as f:
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f.write("[subjects]\nlocalhost {1}\n".format(image, args))
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# Wait for ssh to come up
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ping = ["/usr/bin/ansible", "--inventory", inventory, "localhost", "--module-name", "raw", "--args", "/bin/true"]
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for tries in xrange(0, 30):
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try:
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(pid, ret) = os.waitpid(proc.pid, os.WNOHANG)
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if pid != 0:
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raise RuntimeError("qemu failed to launch qcow2 image: {0}".format(image))
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subprocess.check_call(ping, stdout=null, stderr=null)
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break
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except subprocess.CalledProcessError:
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time.sleep(3)
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else:
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# Kill the qemu process
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try:
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os.kill(proc.pid, signal.SIGTERM)
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except OSError:
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pass
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raise RuntimeError("could not access launched qcow2 image: {0}".format(image))
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# Process of our parent
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ppid = os.getppid()
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child = os.fork()
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if child:
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return variables
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# Daemonize and watch the processes
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os.chdir("/")
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os.setsid()
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os.umask(0)
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if tty is None:
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tty = null.fileno()
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# Duplicate standard input to standard output and standard error.
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os.dup2(null.fileno(), 0)
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os.dup2(tty, 1)
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os.dup2(tty, 2)
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# Now wait for the parent process to go away, then kill the VM
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while True:
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time.sleep(3)
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try:
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os.kill(ppid, 0)
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os.kill(proc.pid, 0)
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except OSError:
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break # Either of the processes no longer exist
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if diagnose:
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sys.stderr.write("\n")
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sys.stderr.write("DIAGNOSE: ssh -p {0} -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null "
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"root@{1} # password: {2}\n".format(port, "127.0.0.3", "foobar"))
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sys.stderr.write("DIAGNOSE: export ANSIBLE_INVENTORY={0}\n".format(inventory))
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sys.stderr.write("DIAGNOSE: kill {0} # when finished\n".format(os.getpid()))
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def _signal_handler(*args):
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sys.stderr.write("\nDIAGNOSE ending...\n")
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signal.signal(signal.SIGTERM, _signal_handler)
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signal.pause()
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# Kill the qemu process
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try:
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os.kill(proc.pid, signal.SIGTERM)
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except OSError:
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pass
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shutil.rmtree(directory)
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sys.exit(0)
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if __name__ == '__main__':
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sys.exit(main(sys.argv))
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