Revision a0c9f010
b/lib/Makefile.am | ||
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5 | 5 |
pkgpython_PYTHON = __init__.py backend.py cli.py cmdlib.py config.py \ |
6 | 6 |
objects.py errors.py logger.py ssh.py utils.py rpc.py \ |
7 | 7 |
bdev.py opcodes.py mcpu.py constants.py \ |
8 |
ssconf.py locking.py luxi.py jqueue.py serializer.py |
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ssconf.py locking.py luxi.py jqueue.py serializer.py \ |
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bootstrap.py |
|
9 | 10 |
python_files = $(pkgpython_PYTHON) |
10 | 11 |
|
11 | 12 |
all-local: _autoconf.py |
b/lib/bootstrap.py | ||
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# |
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# |
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# Copyright (C) 2006, 2007, 2008 Google Inc. |
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# |
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# This program is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2 of the License, or |
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# (at your option) any later version. |
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# |
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# This program is distributed in the hope that it will be useful, but |
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# WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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# General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with this program; if not, write to the Free Software |
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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# 02110-1301, USA. |
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"""Functions to bootstrap a new cluster. |
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""" |
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import os |
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import os.path |
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import sha |
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import re |
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from ganeti import rpc |
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from ganeti import ssh |
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from ganeti import utils |
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from ganeti import errors |
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from ganeti import config |
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from ganeti import constants |
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from ganeti import ssconf |
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def _InitSSHSetup(node): |
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"""Setup the SSH configuration for the cluster. |
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This generates a dsa keypair for root, adds the pub key to the |
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permitted hosts and adds the hostkey to its own known hosts. |
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|
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Args: |
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node: the name of this host as a fqdn |
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|
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""" |
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priv_key, pub_key, auth_keys = ssh.GetUserFiles(constants.GANETI_RUNAS) |
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for name in priv_key, pub_key: |
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if os.path.exists(name): |
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utils.CreateBackup(name) |
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utils.RemoveFile(name) |
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result = utils.RunCmd(["ssh-keygen", "-t", "dsa", |
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"-f", priv_key, |
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"-q", "-N", ""]) |
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if result.failed: |
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raise errors.OpExecError("Could not generate ssh keypair, error %s" % |
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result.output) |
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f = open(pub_key, 'r') |
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try: |
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utils.AddAuthorizedKey(auth_keys, f.read(8192)) |
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finally: |
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f.close() |
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def _InitGanetiServerSetup(ss): |
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"""Setup the necessary configuration for the initial node daemon. |
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This creates the nodepass file containing the shared password for |
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the cluster and also generates the SSL certificate. |
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""" |
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# Create pseudo random password |
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randpass = sha.new(os.urandom(64)).hexdigest() |
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# and write it into sstore |
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ss.SetKey(ss.SS_NODED_PASS, randpass) |
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result = utils.RunCmd(["openssl", "req", "-new", "-newkey", "rsa:1024", |
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"-days", str(365*5), "-nodes", "-x509", |
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"-keyout", constants.SSL_CERT_FILE, |
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"-out", constants.SSL_CERT_FILE, "-batch"]) |
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if result.failed: |
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raise errors.OpExecError("could not generate server ssl cert, command" |
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" %s had exitcode %s and error message %s" % |
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(result.cmd, result.exit_code, result.output)) |
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os.chmod(constants.SSL_CERT_FILE, 0400) |
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result = utils.RunCmd([constants.NODE_INITD_SCRIPT, "restart"]) |
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if result.failed: |
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raise errors.OpExecError("Could not start the node daemon, command %s" |
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" had exitcode %s and error %s" % |
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(result.cmd, result.exit_code, result.output)) |
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def InitCluster(cluster_name, hypervisor_type, mac_prefix, def_bridge, |
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master_netdev, file_storage_dir, |
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secondary_ip=None, |
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vg_name=None): |
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"""Initialise the cluster. |
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""" |
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if config.ConfigWriter.IsCluster(): |
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raise errors.OpPrereqError("Cluster is already initialised") |
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if hypervisor_type == constants.HT_XEN_HVM31: |
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if not os.path.exists(constants.VNC_PASSWORD_FILE): |
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raise errors.OpPrereqError("Please prepare the cluster VNC" |
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"password file %s" % |
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constants.VNC_PASSWORD_FILE) |
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hostname = utils.HostInfo() |
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if hostname.ip.startswith("127."): |
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raise errors.OpPrereqError("This host's IP resolves to the private" |
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" range (%s). Please fix DNS or %s." % |
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(hostname.ip, constants.ETC_HOSTS)) |
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if not utils.TcpPing(hostname.ip, constants.DEFAULT_NODED_PORT, |
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source=constants.LOCALHOST_IP_ADDRESS): |
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raise errors.OpPrereqError("Inconsistency: this host's name resolves" |
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" to %s,\nbut this ip address does not" |
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" belong to this host." |
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" Aborting." % hostname.ip) |
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clustername = utils.HostInfo(cluster_name) |
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if utils.TcpPing(clustername.ip, constants.DEFAULT_NODED_PORT, |
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timeout=5): |
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raise errors.OpPrereqError("Cluster IP already active. Aborting.") |
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if secondary_ip: |
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if not utils.IsValidIP(secondary_ip): |
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raise errors.OpPrereqError("Invalid secondary ip given") |
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if (secondary_ip != hostname.ip and |
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(not utils.TcpPing(secondary_ip, constants.DEFAULT_NODED_PORT, |
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source=constants.LOCALHOST_IP_ADDRESS))): |
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raise errors.OpPrereqError("You gave %s as secondary IP," |
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" but it does not belong to this host." % |
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secondary_ip) |
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if vg_name is not None: |
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# Check if volume group is valid |
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vgstatus = utils.CheckVolumeGroupSize(utils.ListVolumeGroups(), vg_name, |
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constants.MIN_VG_SIZE) |
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if vgstatus: |
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raise errors.OpPrereqError("Error: %s\nspecify --no-lvm-storage if" |
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" you are not using lvm" % vgstatus) |
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file_storage_dir = os.path.normpath(file_storage_dir) |
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if not os.path.isabs(file_storage_dir): |
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raise errors.OpPrereqError("The file storage directory you passed is" |
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" not an absolute path.") |
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if not os.path.exists(file_storage_dir): |
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try: |
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os.makedirs(file_storage_dir, 0750) |
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except OSError, err: |
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raise errors.OpPrereqError("Cannot create file storage directory" |
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" '%s': %s" % |
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(file_storage_dir, err)) |
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if not os.path.isdir(file_storage_dir): |
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raise errors.OpPrereqError("The file storage directory '%s' is not" |
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" a directory." % file_storage_dir) |
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if not re.match("^[0-9a-z]{2}:[0-9a-z]{2}:[0-9a-z]{2}$", mac_prefix): |
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raise errors.OpPrereqError("Invalid mac prefix given '%s'" % mac_prefix) |
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if hypervisor_type not in constants.HYPER_TYPES: |
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raise errors.OpPrereqError("Invalid hypervisor type given '%s'" % |
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hypervisor_type) |
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result = utils.RunCmd(["ip", "link", "show", "dev", master_netdev]) |
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if result.failed: |
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raise errors.OpPrereqError("Invalid master netdev given (%s): '%s'" % |
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(master_netdev, |
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result.output.strip())) |
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if not (os.path.isfile(constants.NODE_INITD_SCRIPT) and |
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os.access(constants.NODE_INITD_SCRIPT, os.X_OK)): |
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raise errors.OpPrereqError("Init.d script '%s' missing or not" |
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" executable." % constants.NODE_INITD_SCRIPT) |
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# set up the simple store |
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ss = ssconf.SimpleStore() |
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ss.SetKey(ss.SS_HYPERVISOR, hypervisor_type) |
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ss.SetKey(ss.SS_MASTER_NODE, hostname.name) |
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ss.SetKey(ss.SS_MASTER_IP, clustername.ip) |
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ss.SetKey(ss.SS_MASTER_NETDEV, master_netdev) |
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ss.SetKey(ss.SS_CLUSTER_NAME, clustername.name) |
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ss.SetKey(ss.SS_FILE_STORAGE_DIR, file_storage_dir) |
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ss.SetKey(ss.SS_CONFIG_VERSION, constants.CONFIG_VERSION) |
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# set up the inter-node password and certificate |
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_InitGanetiServerSetup(ss) |
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# start the master ip |
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# TODO: Review rpc call from bootstrap |
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rpc.call_node_start_master(hostname.name) |
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# set up ssh config and /etc/hosts |
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f = open(constants.SSH_HOST_RSA_PUB, 'r') |
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try: |
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sshline = f.read() |
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finally: |
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f.close() |
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sshkey = sshline.split(" ")[1] |
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utils.AddHostToEtcHosts(hostname.name) |
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_InitSSHSetup(hostname.name) |
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# init of cluster config file |
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cfg = config.ConfigWriter() |
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cfg.InitConfig(hostname.name, hostname.ip, secondary_ip, sshkey, |
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mac_prefix, vg_name, def_bridge) |
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ssh.WriteKnownHostsFile(cfg, ss, constants.SSH_KNOWN_HOSTS_FILE) |
b/lib/cmdlib.py | ||
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305 | 305 |
return _BuildInstanceHookEnv(**args) |
306 | 306 |
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307 | 307 |
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def _InitSSHSetup(node): |
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"""Setup the SSH configuration for the cluster. |
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|
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|
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This generates a dsa keypair for root, adds the pub key to the |
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permitted hosts and adds the hostkey to its own known hosts. |
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|
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Args: |
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node: the name of this host as a fqdn |
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""" |
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priv_key, pub_key, auth_keys = ssh.GetUserFiles(constants.GANETI_RUNAS) |
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for name in priv_key, pub_key: |
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if os.path.exists(name): |
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utils.CreateBackup(name) |
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utils.RemoveFile(name) |
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result = utils.RunCmd(["ssh-keygen", "-t", "dsa", |
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"-f", priv_key, |
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"-q", "-N", ""]) |
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if result.failed: |
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raise errors.OpExecError("Could not generate ssh keypair, error %s" % |
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result.output) |
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f = open(pub_key, 'r') |
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try: |
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utils.AddAuthorizedKey(auth_keys, f.read(8192)) |
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finally: |
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f.close() |
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def _InitGanetiServerSetup(ss): |
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"""Setup the necessary configuration for the initial node daemon. |
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|
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This creates the nodepass file containing the shared password for |
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the cluster and also generates the SSL certificate. |
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345 |
|
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""" |
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# Create pseudo random password |
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randpass = sha.new(os.urandom(64)).hexdigest() |
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# and write it into sstore |
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ss.SetKey(ss.SS_NODED_PASS, randpass) |
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result = utils.RunCmd(["openssl", "req", "-new", "-newkey", "rsa:1024", |
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"-days", str(365*5), "-nodes", "-x509", |
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"-keyout", constants.SSL_CERT_FILE, |
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"-out", constants.SSL_CERT_FILE, "-batch"]) |
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if result.failed: |
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raise errors.OpExecError("could not generate server ssl cert, command" |
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" %s had exitcode %s and error message %s" % |
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(result.cmd, result.exit_code, result.output)) |
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os.chmod(constants.SSL_CERT_FILE, 0400) |
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result = utils.RunCmd([constants.NODE_INITD_SCRIPT, "restart"]) |
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if result.failed: |
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raise errors.OpExecError("Could not start the node daemon, command %s" |
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" had exitcode %s and error %s" % |
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(result.cmd, result.exit_code, result.output)) |
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|
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|
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371 | 308 |
def _CheckInstanceBridgesExist(instance): |
372 | 309 |
"""Check that the brigdes needed by an instance exist. |
373 | 310 |
|
... | ... | |
380 | 317 |
(brlist, instance.primary_node)) |
381 | 318 |
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382 | 319 |
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class LUInitCluster(LogicalUnit): |
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"""Initialise the cluster. |
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|
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""" |
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HPATH = "cluster-init" |
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HTYPE = constants.HTYPE_CLUSTER |
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_OP_REQP = ["cluster_name", "hypervisor_type", "mac_prefix", |
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"def_bridge", "master_netdev", "file_storage_dir"] |
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REQ_CLUSTER = False |
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|
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def BuildHooksEnv(self): |
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"""Build hooks env. |
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Notes: Since we don't require a cluster, we must manually add |
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ourselves in the post-run node list. |
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""" |
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env = {"OP_TARGET": self.op.cluster_name} |
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return env, [], [self.hostname.name] |
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|
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def CheckPrereq(self): |
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"""Verify that the passed name is a valid one. |
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|
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""" |
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407 |
if config.ConfigWriter.IsCluster(): |
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408 |
raise errors.OpPrereqError("Cluster is already initialised") |
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409 |
|
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410 |
if self.op.hypervisor_type == constants.HT_XEN_HVM31: |
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411 |
if not os.path.exists(constants.VNC_PASSWORD_FILE): |
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412 |
raise errors.OpPrereqError("Please prepare the cluster VNC" |
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"password file %s" % |
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constants.VNC_PASSWORD_FILE) |
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415 |
|
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416 |
self.hostname = hostname = utils.HostInfo() |
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417 |
|
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418 |
if hostname.ip.startswith("127."): |
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419 |
raise errors.OpPrereqError("This host's IP resolves to the private" |
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420 |
" range (%s). Please fix DNS or %s." % |
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421 |
(hostname.ip, constants.ETC_HOSTS)) |
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422 |
|
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423 |
if not utils.TcpPing(hostname.ip, constants.DEFAULT_NODED_PORT, |
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424 |
source=constants.LOCALHOST_IP_ADDRESS): |
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425 |
raise errors.OpPrereqError("Inconsistency: this host's name resolves" |
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" to %s,\nbut this ip address does not" |
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427 |
" belong to this host." |
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428 |
" Aborting." % hostname.ip) |
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429 |
|
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430 |
self.clustername = clustername = utils.HostInfo(self.op.cluster_name) |
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431 |
|
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432 |
if utils.TcpPing(clustername.ip, constants.DEFAULT_NODED_PORT, |
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433 |
timeout=5): |
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434 |
raise errors.OpPrereqError("Cluster IP already active. Aborting.") |
|
435 |
|
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436 |
secondary_ip = getattr(self.op, "secondary_ip", None) |
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437 |
if secondary_ip and not utils.IsValidIP(secondary_ip): |
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438 |
raise errors.OpPrereqError("Invalid secondary ip given") |
|
439 |
if (secondary_ip and |
|
440 |
secondary_ip != hostname.ip and |
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441 |
(not utils.TcpPing(secondary_ip, constants.DEFAULT_NODED_PORT, |
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442 |
source=constants.LOCALHOST_IP_ADDRESS))): |
|
443 |
raise errors.OpPrereqError("You gave %s as secondary IP," |
|
444 |
" but it does not belong to this host." % |
|
445 |
secondary_ip) |
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446 |
self.secondary_ip = secondary_ip |
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447 |
|
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448 |
if not hasattr(self.op, "vg_name"): |
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449 |
self.op.vg_name = None |
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450 |
# if vg_name not None, checks if volume group is valid |
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451 |
if self.op.vg_name: |
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452 |
vgstatus = utils.CheckVolumeGroupSize(utils.ListVolumeGroups(), vg_name, |
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453 |
constants.MIN_VG_SIZE) |
|
454 |
if vgstatus: |
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455 |
raise errors.OpPrereqError("Error: %s\nspecify --no-lvm-storage if" |
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456 |
" you are not using lvm" % vgstatus) |
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457 |
|
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458 |
self.op.file_storage_dir = os.path.normpath(self.op.file_storage_dir) |
|
459 |
|
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460 |
if not os.path.isabs(self.op.file_storage_dir): |
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461 |
raise errors.OpPrereqError("The file storage directory you have is" |
|
462 |
" not an absolute path.") |
|
463 |
|
|
464 |
if not os.path.exists(self.op.file_storage_dir): |
|
465 |
try: |
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466 |
os.makedirs(self.op.file_storage_dir, 0750) |
|
467 |
except OSError, err: |
|
468 |
raise errors.OpPrereqError("Cannot create file storage directory" |
|
469 |
" '%s': %s" % |
|
470 |
(self.op.file_storage_dir, err)) |
|
471 |
|
|
472 |
if not os.path.isdir(self.op.file_storage_dir): |
|
473 |
raise errors.OpPrereqError("The file storage directory '%s' is not" |
|
474 |
" a directory." % self.op.file_storage_dir) |
|
475 |
|
|
476 |
if not re.match("^[0-9a-z]{2}:[0-9a-z]{2}:[0-9a-z]{2}$", |
|
477 |
self.op.mac_prefix): |
|
478 |
raise errors.OpPrereqError("Invalid mac prefix given '%s'" % |
|
479 |
self.op.mac_prefix) |
|
480 |
|
|
481 |
if self.op.hypervisor_type not in constants.HYPER_TYPES: |
|
482 |
raise errors.OpPrereqError("Invalid hypervisor type given '%s'" % |
|
483 |
self.op.hypervisor_type) |
|
484 |
|
|
485 |
result = utils.RunCmd(["ip", "link", "show", "dev", self.op.master_netdev]) |
|
486 |
if result.failed: |
|
487 |
raise errors.OpPrereqError("Invalid master netdev given (%s): '%s'" % |
|
488 |
(self.op.master_netdev, |
|
489 |
result.output.strip())) |
|
490 |
|
|
491 |
if not (os.path.isfile(constants.NODE_INITD_SCRIPT) and |
|
492 |
os.access(constants.NODE_INITD_SCRIPT, os.X_OK)): |
|
493 |
raise errors.OpPrereqError("Init.d script '%s' missing or not" |
|
494 |
" executable." % constants.NODE_INITD_SCRIPT) |
|
495 |
|
|
496 |
def Exec(self, feedback_fn): |
|
497 |
"""Initialize the cluster. |
|
498 |
|
|
499 |
""" |
|
500 |
clustername = self.clustername |
|
501 |
hostname = self.hostname |
|
502 |
|
|
503 |
# set up the simple store |
|
504 |
self.sstore = ss = ssconf.SimpleStore() |
|
505 |
ss.SetKey(ss.SS_HYPERVISOR, self.op.hypervisor_type) |
|
506 |
ss.SetKey(ss.SS_MASTER_NODE, hostname.name) |
|
507 |
ss.SetKey(ss.SS_MASTER_IP, clustername.ip) |
|
508 |
ss.SetKey(ss.SS_MASTER_NETDEV, self.op.master_netdev) |
|
509 |
ss.SetKey(ss.SS_CLUSTER_NAME, clustername.name) |
|
510 |
ss.SetKey(ss.SS_FILE_STORAGE_DIR, self.op.file_storage_dir) |
|
511 |
ss.SetKey(ss.SS_CONFIG_VERSION, constants.CONFIG_VERSION) |
|
512 |
|
|
513 |
# set up the inter-node password and certificate |
|
514 |
_InitGanetiServerSetup(ss) |
|
515 |
|
|
516 |
# start the master ip |
|
517 |
rpc.call_node_start_master(hostname.name) |
|
518 |
|
|
519 |
# set up ssh config and /etc/hosts |
|
520 |
f = open(constants.SSH_HOST_RSA_PUB, 'r') |
|
521 |
try: |
|
522 |
sshline = f.read() |
|
523 |
finally: |
|
524 |
f.close() |
|
525 |
sshkey = sshline.split(" ")[1] |
|
526 |
|
|
527 |
utils.AddHostToEtcHosts(hostname.name) |
|
528 |
_InitSSHSetup(hostname.name) |
|
529 |
|
|
530 |
# init of cluster config file |
|
531 |
self.cfg = cfgw = config.ConfigWriter() |
|
532 |
cfgw.InitConfig(hostname.name, hostname.ip, self.secondary_ip, |
|
533 |
sshkey, self.op.mac_prefix, |
|
534 |
self.op.vg_name, self.op.def_bridge) |
|
535 |
|
|
536 |
ssh.WriteKnownHostsFile(cfgw, ss, constants.SSH_KNOWN_HOSTS_FILE) |
|
537 |
|
|
538 |
|
|
539 | 320 |
class LUDestroyCluster(NoHooksLU): |
540 | 321 |
"""Logical unit for destroying the cluster. |
541 | 322 |
|
b/lib/mcpu.py | ||
---|---|---|
43 | 43 |
"""Object which runs OpCodes""" |
44 | 44 |
DISPATCH_TABLE = { |
45 | 45 |
# Cluster |
46 |
opcodes.OpInitCluster: cmdlib.LUInitCluster, |
|
47 | 46 |
opcodes.OpDestroyCluster: cmdlib.LUDestroyCluster, |
48 | 47 |
opcodes.OpQueryClusterInfo: cmdlib.LUQueryClusterInfo, |
49 | 48 |
opcodes.OpClusterCopyFile: cmdlib.LUClusterCopyFile, |
b/lib/opcodes.py | ||
---|---|---|
159 | 159 |
return op |
160 | 160 |
|
161 | 161 |
|
162 |
class OpInitCluster(OpCode): |
|
163 |
"""Initialise the cluster.""" |
|
164 |
OP_ID = "OP_CLUSTER_INIT" |
|
165 |
__slots__ = ["cluster_name", "secondary_ip", "hypervisor_type", |
|
166 |
"vg_name", "mac_prefix", "def_bridge", "master_netdev", |
|
167 |
"file_storage_dir"] |
|
168 |
|
|
169 |
|
|
170 | 162 |
class OpDestroyCluster(OpCode): |
171 | 163 |
"""Destroy the cluster.""" |
172 | 164 |
OP_ID = "OP_CLUSTER_DESTROY" |
b/scripts/gnt-cluster | ||
---|---|---|
28 | 28 |
from ganeti import constants |
29 | 29 |
from ganeti import errors |
30 | 30 |
from ganeti import utils |
31 |
from ganeti import bootstrap |
|
31 | 32 |
|
32 | 33 |
|
33 | 34 |
def InitCluster(opts, args): |
... | ... | |
46 | 47 |
if opts.lvm_storage and not opts.vg_name: |
47 | 48 |
vg_name = constants.DEFAULT_VG |
48 | 49 |
|
49 |
op = opcodes.OpInitCluster(cluster_name=args[0], |
|
50 |
secondary_ip=opts.secondary_ip, |
|
51 |
hypervisor_type=opts.hypervisor_type, |
|
52 |
vg_name=vg_name, |
|
53 |
mac_prefix=opts.mac_prefix, |
|
54 |
def_bridge=opts.def_bridge, |
|
55 |
master_netdev=opts.master_netdev, |
|
56 |
file_storage_dir=opts.file_storage_dir) |
|
57 |
SubmitOpCode(op) |
|
50 |
bootstrap.InitCluster(cluster_name=args[0], |
|
51 |
secondary_ip=opts.secondary_ip, |
|
52 |
hypervisor_type=opts.hypervisor_type, |
|
53 |
vg_name=vg_name, |
|
54 |
mac_prefix=opts.mac_prefix, |
|
55 |
def_bridge=opts.def_bridge, |
|
56 |
master_netdev=opts.master_netdev, |
|
57 |
file_storage_dir=opts.file_storage_dir) |
|
58 | 58 |
return 0 |
59 | 59 |
|
60 | 60 |
|
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