| 1 | #!/usr/local/bin/python |
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| 2 | |
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| 3 | import os,sys |
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| 4 | |
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| 5 | from ZSI import * |
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| 6 | from M2Crypto import SSL |
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| 7 | from M2Crypto.SSL.SSLServer import SSLServer |
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| 8 | import M2Crypto.httpslib |
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| 9 | |
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| 10 | import xml.parsers.expat |
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| 11 | |
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| 12 | import re |
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| 13 | import random |
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| 14 | import string |
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| 15 | import subprocess |
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| 16 | import tempfile |
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| 17 | import copy |
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| 18 | |
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| 19 | from threading import * |
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| 20 | |
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| 21 | from subprocess import * |
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| 22 | |
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| 23 | from fedd_services import * |
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| 24 | from fedd_internal_services import * |
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| 25 | from fedd_util import * |
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| 26 | import parse_detail |
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| 27 | from service_error import * |
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| 28 | |
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| 29 | class fedd_create_experiment_local: |
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| 30 | scripts = ["fed_bootstrap", "federate.sh", "smbmount.FreeBSD.pl", |
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| 31 | "smbmount.Linux.pl", "make_hosts", "fed-tun.pl", "fed-tun.ucb.pl", |
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| 32 | "fed_evrepeater", "rc.accounts.patch"] |
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| 33 | |
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| 34 | def __init__(self, |
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| 35 | cert_file=None, |
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| 36 | cert_pwd=None, |
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| 37 | debug=False, |
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| 38 | muxmax=2, |
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| 39 | nthreads=2, |
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| 40 | project_user = "faber", |
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| 41 | scp_exec="/usr/bin/scp", |
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| 42 | scripts_dir="./", |
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| 43 | splitter=None, |
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| 44 | ssh_exec="/usr/bin/ssh", |
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| 45 | ssh_identity_file=None, |
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| 46 | ssh_keygen="/usr/bin/ssh-keygen", |
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| 47 | ssh_pubkey_file=None, |
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| 48 | ssh_type="rsa", |
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| 49 | tbmap=None, |
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| 50 | tclsh="/usr/local/bin/otclsh", |
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| 51 | tcl_splitter="/usr/testbed/lib/ns2ir/parse.tcl", |
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| 52 | trusted_certs=None, |
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| 53 | ): |
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| 54 | self.scripts = fedd_create_experiment_local.scripts |
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| 55 | self.thread_with_rv = fedd_create_experiment_local.pooled_thread |
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| 56 | self.thread_pool = fedd_create_experiment_local.thread_pool |
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| 57 | |
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| 58 | self.cert_file = cert_file |
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| 59 | self.cert_pwd = cert_pwd |
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| 60 | self.debug = debug |
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| 61 | self.muxmax = muxmax |
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| 62 | self.nthreads = nthreads |
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| 63 | self.project_user = project_user |
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| 64 | self.scp_exec = scp_exec |
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| 65 | self.scripts_dir = scripts_dir |
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| 66 | self.splitter = splitter |
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| 67 | self.ssh_exec=ssh_exec |
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| 68 | self.ssh_keygen = ssh_keygen |
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| 69 | self.ssh_identity_file = ssh_identity_file |
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| 70 | self.ssh_type = ssh_type |
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| 71 | self.tclsh = tclsh |
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| 72 | self.tcl_splitter = tcl_splitter |
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| 73 | self.tbmap = tbmap |
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| 74 | self.trusted_certs=trusted_certs |
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| 75 | |
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| 76 | self.def_expstart = \ |
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| 77 | "sudo -H /bin/sh FEDDIR/fed_bootstrap >& /tmp/federate"; |
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| 78 | self.def_mexpstart = "sudo -H FEDDIR/make_hosts FEDDIR/hosts"; |
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| 79 | self.def_gwstart = \ |
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| 80 | "sudo -H FEDDIR/fed-tun.pl -f GWCONF>& /tmp/bridge.log"; |
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| 81 | self.def_mgwstart = \ |
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| 82 | "sudo -H FEDDIR/fed-tun.pl -f GWCONF >& /tmp/bridge.log"; |
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| 83 | self.def_gwimage = "FBSD61-TUNNEL2"; |
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| 84 | self.def_gwtype = "pc"; |
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| 85 | |
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| 86 | |
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| 87 | if ssh_pubkey_file: |
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| 88 | try: |
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| 89 | f = open(ssh_pubkey_file, 'r') |
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| 90 | self.ssh_pubkey = f.read() |
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| 91 | f.close() |
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| 92 | except IOError: |
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| 93 | raise service_error(service_error.internal, |
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| 94 | "Cannot read sshpubkey") |
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| 95 | |
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| 96 | # Confirm federation scripts in the right place |
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| 97 | for s in self.scripts: |
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| 98 | if not os.path.exists(self.scripts_dir + "/" + s): |
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| 99 | raise service_error(service_error.server_config, |
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| 100 | "%s/%s not in local script dir" % (self.scripts_dir, s)) |
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| 101 | class thread_pool: |
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| 102 | def __init__(self): |
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| 103 | self.changed = Condition() |
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| 104 | self.started = 0 |
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| 105 | self.terminated = 0 |
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| 106 | |
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| 107 | def acquire(self): |
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| 108 | self.changed.acquire() |
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| 109 | |
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| 110 | def release(self): |
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| 111 | self.changed.release() |
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| 112 | |
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| 113 | def wait(self, timeout = None): |
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| 114 | self.changed.wait(timeout) |
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| 115 | |
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| 116 | def start(self): |
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| 117 | self.changed.acquire() |
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| 118 | self.started += 1 |
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| 119 | self.changed.notifyAll() |
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| 120 | self.changed.release() |
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| 121 | |
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| 122 | def terminate(self): |
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| 123 | self.changed.acquire() |
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| 124 | self.terminated += 1 |
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| 125 | self.changed.notifyAll() |
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| 126 | self.changed.release() |
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| 127 | |
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| 128 | def clear(self): |
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| 129 | self.changed.acquire() |
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| 130 | self.started = 0 |
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| 131 | self.terminated =0 |
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| 132 | self.changed.notifyAll() |
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| 133 | self.changed.release() |
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| 134 | |
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| 135 | |
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| 136 | |
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| 137 | class pooled_thread(Thread): |
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| 138 | def __init__(self, group=None, target=None, name=None, args=(), |
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| 139 | kwargs={}, pdata=None): |
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| 140 | Thread.__init__(self, group, target, name, args, kwargs) |
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| 141 | self.rv = None |
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| 142 | self.exception = None |
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| 143 | self.target=target |
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| 144 | self.args = args |
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| 145 | self.kwargs = kwargs |
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| 146 | self.pdata = pdata |
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| 147 | |
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| 148 | def run(self): |
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| 149 | if self.pdata: |
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| 150 | self.pdata.start() |
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| 151 | |
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| 152 | if self.target: |
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| 153 | try: |
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| 154 | self.rv = self.target(*self.args, **self.kwargs) |
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| 155 | except e: |
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| 156 | self.exception = e |
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| 157 | |
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| 158 | print "%s done: %s" % (self.getName(), self.rv) |
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| 159 | if self.pdata: |
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| 160 | self.pdata.terminate() |
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| 161 | |
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| 162 | def copy_file(self, src, dest, size=1024): |
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| 163 | """ |
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| 164 | Exceedingly simple file copy. |
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| 165 | """ |
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| 166 | s = open(src,'r') |
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| 167 | d = open(dest, 'w') |
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| 168 | |
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| 169 | buf = "x" |
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| 170 | while buf != "": |
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| 171 | buf = s.read(size) |
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| 172 | d.write(buf) |
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| 173 | s.close() |
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| 174 | d.close() |
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| 175 | |
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| 176 | def scp_file(self, file, user, host, dest=""): |
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| 177 | """ |
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| 178 | scp a file to the remote host. |
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| 179 | """ |
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| 180 | |
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| 181 | scp_cmd = [self.scp_exec, file, "%s@%s:%s" % (user, host, dest)] |
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| 182 | if not self.debug: |
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| 183 | rv = call(scp_cmd) |
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| 184 | else: |
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| 185 | print "debug: %s" % " ".join(scp_cmd) |
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| 186 | rv = 0 |
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| 187 | |
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| 188 | return rv == 0 |
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| 189 | |
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| 190 | def ssh_cmd(self, user, host, cmd, wname=None, timeout=0): |
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| 191 | sh_str = "%s %s@%s %s" % (self.ssh_exec, user, host, cmd) |
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| 192 | |
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| 193 | if not self.debug: |
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| 194 | # This should be done more carefully |
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| 195 | sub = Popen(sh_str, shell=True) |
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| 196 | return sub.wait() == 0 |
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| 197 | else: |
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| 198 | print "debug: %s" % sh_str |
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| 199 | return True |
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| 200 | |
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| 201 | def ship_scripts(self, host, user, dest_dir): |
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| 202 | if self.ssh_cmd(user, host, "mkdir -p %s" % dest_dir): |
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| 203 | for s in self.scripts: |
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| 204 | if not self.scp_file("%s/%s" % (self.scripts_dir, s), |
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| 205 | user, host, dest_dir): |
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| 206 | return False |
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| 207 | return True |
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| 208 | else: |
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| 209 | return False |
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| 210 | |
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| 211 | def ship_configs(self, host, user, src_dir, dest_dir): |
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| 212 | if not self.ssh_cmd(user, host, "mkdir -p %s" % dest_dir): |
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| 213 | return False |
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| 214 | if not self.ssh_cmd(user, host, "chmod 770 %s" % dest_dir): |
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| 215 | return False |
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| 216 | |
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| 217 | for f in os.listdir(src_dir): |
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| 218 | if os.path.isdir(f): |
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| 219 | if not self.ship_configs(host, user, "%s/%s" % (src_dir, f), |
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| 220 | "%s/%s" % (dest_dir, f)): |
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| 221 | return False |
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| 222 | else: |
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| 223 | if not self.scp_file("%s/%s" % (src_dir, f), |
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| 224 | user, host, dest_dir): |
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| 225 | return False |
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| 226 | return True |
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| 227 | |
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| 228 | def start_segment(self, tb, eid, tbparams, tmpdir, timeout=0): |
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| 229 | host = "%s%s" % (tbparams[tb]['host'], tbparams[tb]['domain']) |
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| 230 | user = tbparams[tb]['user'] |
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| 231 | pid = tbparams[tb]['project'] |
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| 232 | # XXX |
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| 233 | base_confs = ( "hosts", "vtopo.xml", "viz.xml") |
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| 234 | tclfile = "%s.%s.tcl" % (eid, tb) |
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| 235 | expinfo_exec = "/usr/testbed/bin/expinfo" |
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| 236 | proj_dir = "/proj/%s/exp/%s/tmp" % (pid, eid) |
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| 237 | tarfiles_dir = "/proj/%s/tarfiles/%s" % (pid, eid) |
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| 238 | rpms_dir = "/proj/%s/rpms/%s" % (pid, eid) |
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| 239 | state_re = re.compile("State:\s+(\w+)") |
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| 240 | state = "none" |
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| 241 | |
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| 242 | status = Popen([self.ssh_exec, "%s@%s" % (user, host), |
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| 243 | expinfo_exec, pid, eid], stdout=PIPE) |
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| 244 | for line in status.stdout: |
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| 245 | m = state_re.match(line) |
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| 246 | if m: state = m.group(1) |
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| 247 | rv = status.wait() |
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| 248 | if rv != 0: |
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| 249 | raise service_error(service_error.internal, |
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| 250 | "Cannot get status of segment %s:%s/%s" % (tb, pid, eid)) |
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| 251 | # XXX |
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| 252 | print "%s: %s" % (tb, state) |
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| 253 | print "transferring experiment to %s" % tb |
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| 254 | |
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| 255 | if not self.scp_file("%s/%s/%s" % (tmpdir, tb, tclfile), user, host): |
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| 256 | return False |
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| 257 | # Clear and create the tarfiles and rpm directories |
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| 258 | for d in (tarfiles_dir, rpms_dir): |
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| 259 | if not self.ssh_cmd(user, host, |
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| 260 | "/bin/sh -c \"'/bin/rm -rf %s/*'\"" % d): |
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| 261 | return False |
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| 262 | if not self.ssh_cmd(user, host, "mkdir -p %s" % d, |
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| 263 | "create tarfiles"): |
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| 264 | return False |
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| 265 | |
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| 266 | if state == 'active': |
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| 267 | # Remote experiment is active. Modify it. |
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| 268 | for f in base_confs: |
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| 269 | if not self.scp_file("%s/%s" % (tmpdir, f), user, host, |
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| 270 | "%s/%s" % (proj_dir, f)): |
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| 271 | return False |
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| 272 | if not self.ship_scripts(host, user, proj_dir): |
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| 273 | return False |
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| 274 | if not self.ship_configs(host, user, "%s/%s" % (tmpdir, tb), |
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| 275 | proj_dir): |
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| 276 | return False |
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| 277 | if os.path.isdir("%s/tarfiles" % tmpdir): |
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| 278 | if not self.ship_configs(host, user, |
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| 279 | "%s/tarfiles" % tmpdir, tarfiles_dir): |
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| 280 | return False |
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| 281 | if os.path.isdir("%s/rpms" % tmpdir): |
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| 282 | if not self.ship_configs(host, user, |
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| 283 | "%s/rpms" % tmpdir, tarfiles_dir): |
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| 284 | return False |
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| 285 | print "Modifying %s on %s" % (eid, tb) |
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| 286 | if not self.ssh_cmd(user, host, |
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| 287 | "/usr/testbed/bin/modexp -r -s -w %s %s %s" % \ |
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| 288 | (pid, eid, tclfile), "modexp"): |
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| 289 | return False |
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| 290 | return True |
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| 291 | elif state == "swapped": |
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| 292 | # Remote experiment swapped out. Modify it and swap it in. |
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| 293 | for f in base_confs: |
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| 294 | if not self.scp_file("%s/%s" % (tmpdir, f), user, host, |
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| 295 | "%s/%s" % (proj_dir, f)): |
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| 296 | return False |
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| 297 | if not self.ship_scripts(host, user, proj_dir): |
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| 298 | return False |
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| 299 | if not self.ship_configs(host, user, "%s/%s" % (tmpdir, tb), |
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| 300 | proj_dir): |
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| 301 | return False |
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| 302 | if os.path.isdir("%s/tarfiles" % tmpdir): |
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| 303 | if not self.ship_configs(host, user, |
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| 304 | "%s/tarfiles" % tmpdir, tarfiles_dir): |
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| 305 | return False |
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| 306 | if os.path.isdir("%s/rpms" % tmpdir): |
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| 307 | if not self.ship_configs(host, user, |
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| 308 | "%s/rpms" % tmpdir, tarfiles_dir): |
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| 309 | return False |
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| 310 | print "Modifying %s on %s" % (eid, tb) |
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| 311 | if not self.ssh_cmd(user, host, |
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| 312 | "/usr/testbed/bin/modexp -w %s %s %s" % (pid, eid, tclfile), |
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| 313 | "modexp"): |
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| 314 | return False |
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| 315 | print "Swapping %s in on %s" % (eid, tb) |
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| 316 | if not self.ssh_cmd(user, host, |
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| 317 | "/usr/testbed/bin/swapexp -w %s %s in" % (pid, eid), |
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| 318 | "swapexp", timeout): |
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| 319 | return False |
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| 320 | return True |
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| 321 | elif state == "none": |
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| 322 | # No remote experiment. Create one. We do this in 2 steps so we |
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| 323 | # can put the configuration files and scripts into the new |
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| 324 | # experiment directories. |
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| 325 | |
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| 326 | # Tarfiles must be present for creation to work |
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| 327 | if os.path.isdir("%s/tarfiles" % tmpdir): |
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| 328 | if not self.ship_configs(host, user, |
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| 329 | "%s/tarfiles" % tmpdir, tarfiles_dir): |
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| 330 | return False |
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| 331 | if os.path.isdir("%s/rpms" % tmpdir): |
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| 332 | if not self.ship_configs(host, user, |
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| 333 | "%s/rpms" % tmpdir, tarfiles_dir): |
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| 334 | return False |
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| 335 | print "Creating %s on %s" % (eid, tb) |
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| 336 | if not self.ssh_cmd(user, host, |
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| 337 | "/usr/testbed/bin/startexp -i -f -w -p %s -e %s %s" % \ |
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| 338 | (pid, eid, tclfile), "startexp", timeout): |
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| 339 | return False |
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| 340 | # After startexp the per-experiment directories exist |
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| 341 | for f in base_confs: |
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| 342 | if not self.scp_file("%s/%s" % (tmpdir, f), user, host, |
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| 343 | "%s/%s" % (proj_dir, f)): |
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| 344 | return False |
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| 345 | if not self.ship_scripts(host, user, proj_dir): |
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| 346 | return False |
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| 347 | if not self.ship_configs(host, user, "%s/%s" % (tmpdir, tb), |
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| 348 | proj_dir): |
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| 349 | return False |
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| 350 | print "Swapping %s in on %s" % (eid, tb) |
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| 351 | if not self.ssh_cmd(user, host, |
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| 352 | "/usr/testbed/bin/swapexp -w %s %s in" % (pid, eid), |
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| 353 | "swapexp", timeout): |
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| 354 | return False |
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| 355 | return True |
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| 356 | else: |
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| 357 | # XXX |
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| 358 | print "unknown state %s" % state |
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| 359 | return False |
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| 360 | |
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| 361 | def stop_segment(self, tb, eid, tbparams): |
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| 362 | user = tbparams[tb]['user'] |
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| 363 | host = "%s%s" % (tbparams[tb]['host'], tbparams[tb]['domain']) |
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| 364 | pid = tbparams[tb]['project'] |
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| 365 | |
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| 366 | # XXX: |
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| 367 | print "Stopping %s on %s" % (eid, tb) |
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| 368 | return self.ssh_cmd(user, host, |
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| 369 | "/usr/testbed/bin/swapexp -w %d %d out" % (pid, eid)) |
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| 370 | |
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| 371 | |
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| 372 | def generate_ssh_keys(self, dest, type="rsa" ): |
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| 373 | """ |
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| 374 | Generate a set of keys for the gateways to use to talk. |
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| 375 | |
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| 376 | Keys are of type type and are stored in the required dest file. |
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| 377 | """ |
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| 378 | valid_types = ("rsa", "dsa") |
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| 379 | t = type.lower(); |
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| 380 | if t not in valid_types: raise ValueError |
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| 381 | # May raise CalledProcessError |
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| 382 | rv = call([self.ssh_keygen, '-t', t, '-N', '', '-f', dest]) |
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| 383 | if rv != 0: |
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| 384 | raise service_error(service_error.internal, |
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| 385 | "Cannot generate nonce ssh keys. %s return code %d" \ |
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| 386 | % (self.ssh_keygen, rv)) |
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| 387 | |
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| 388 | def genviz(self, topo_file, viz_file): |
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| 389 | """ |
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| 390 | Generate the visualization file from the topology file |
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| 391 | """ |
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| 392 | |
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| 393 | class topo_parse: |
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| 394 | """ |
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| 395 | Parse the vtopo file into a set of lans, links and nodes. |
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| 396 | """ |
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| 397 | def __init__(self): |
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| 398 | self.links = {} # Each link is a list of at most 2 nodes |
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| 399 | self.lans = {} # Lans have more than 2 nodes |
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| 400 | self.nodes = {} # The nodes in the experiment |
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| 401 | self.lan = {} # The current link/len being collected |
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| 402 | self.in_lan = False # Is the conatining element lan? |
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| 403 | self.in_node = False # Is the conatining element node? |
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| 404 | self.chars = None # Last set of marked-up chars |
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| 405 | |
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| 406 | def start_element(self, name, attrs): |
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| 407 | """ |
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| 408 | New element started. Set flags and clear lan |
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| 409 | """ |
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| 410 | if name == "node": |
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| 411 | self.in_node = True |
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| 412 | elif name == "lan": |
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| 413 | self.in_lan = True |
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| 414 | self.lan.clear() |
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| 415 | |
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| 416 | def end_element(self, name): |
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| 417 | """ |
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| 418 | End of element. Collect data if appropriate |
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| 419 | |
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| 420 | If a node or lan is ending, create an entry in nodes or |
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| 421 | lans/links. If a vname/vnode in a node or lan is ending, |
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| 422 | capture its name. If a lan is ending, add the node to the |
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| 423 | evolving link or lan. |
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| 424 | """ |
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| 425 | if name == "node": |
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| 426 | self.in_node = False |
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| 427 | if self.in_node and name == "vname": |
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| 428 | self.nodes[self.chars] = "node" |
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| 429 | if self.in_lan: |
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| 430 | if name != "lan": |
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| 431 | if name == 'vname' or name == 'vnode': |
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| 432 | self.lan[name] = self.chars |
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| 433 | else: |
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| 434 | self.in_lan = False |
|---|
| 435 | vname = self.lan['vname'] |
|---|
| 436 | links = self.links.get(vname, []) |
|---|
| 437 | if len(links) == 2: |
|---|
| 438 | # This link needs to be a lan instead |
|---|
| 439 | self.nodes[vname] = "lan" |
|---|
| 440 | self.lans[vname] = \ |
|---|
| 441 | [ l for l in links, self.lan['vnode'] ] |
|---|
| 442 | del self.links[vname] |
|---|
| 443 | self.lan = {} |
|---|
| 444 | return |
|---|
| 445 | lans = self.lans.get(vname, []) |
|---|
| 446 | if len(lans) > 0: |
|---|
| 447 | lans.append(self.lan['vnode']) |
|---|
| 448 | self.lan = {} |
|---|
| 449 | return |
|---|
| 450 | if not vname in self.links: |
|---|
| 451 | self.links[vname] = [] |
|---|
| 452 | self.links[vname].append(self.lan['vnode']) |
|---|
| 453 | self.lan = {} |
|---|
| 454 | return |
|---|
| 455 | |
|---|
| 456 | def found_chars(self, data): |
|---|
| 457 | """ |
|---|
| 458 | Capture marked up chars for later |
|---|
| 459 | """ |
|---|
| 460 | self.chars = data |
|---|
| 461 | |
|---|
| 462 | neato = "/usr/local/bin/neato" |
|---|
| 463 | # These are used to parse neato output and to create the visualization |
|---|
| 464 | # file. |
|---|
| 465 | vis_re = re.compile('^\s*"?([\w\-]+)"?\s+\[.*pos="(\d+),(\d+)"') |
|---|
| 466 | vis_fmt = "<node><name>%s</name><x>%s</x><y>%s</y><type>" + \ |
|---|
| 467 | "%s</type></node>" |
|---|
| 468 | try: |
|---|
| 469 | df, dotname = tempfile.mkstemp() |
|---|
| 470 | dotfile = os.fdopen(df, 'w') |
|---|
| 471 | infile = open(topo_file, 'r') |
|---|
| 472 | out = open(viz_file, "w") |
|---|
| 473 | except IOError: |
|---|
| 474 | raise service_error(service_error.internal, |
|---|
| 475 | "Failed to open file in genviz") |
|---|
| 476 | |
|---|
| 477 | # Parse the topology file using XML tools |
|---|
| 478 | tp = topo_parse(); |
|---|
| 479 | parser = xml.parsers.expat.ParserCreate() |
|---|
| 480 | parser.StartElementHandler = tp.start_element |
|---|
| 481 | parser.EndElementHandler = tp.end_element |
|---|
| 482 | parser.CharacterDataHandler = tp.found_chars |
|---|
| 483 | |
|---|
| 484 | parser.ParseFile(infile) |
|---|
| 485 | |
|---|
| 486 | # Generate a dot/neato input file from the links, nodes and lans |
|---|
| 487 | try: |
|---|
| 488 | print >>dotfile, "graph G {" |
|---|
| 489 | for n in tp.nodes.keys(): |
|---|
| 490 | print >>dotfile, '\t"%s"' % n |
|---|
| 491 | for l in tp.links.keys(): |
|---|
| 492 | print >>dotfile, " -- ".join(tp.links[l]) |
|---|
| 493 | for l in tp.lans.keys(): |
|---|
| 494 | for n in tp.lans[l]: |
|---|
| 495 | print >>dotfile, '\t "%s" -- "%s"' % (n,l) |
|---|
| 496 | print >>dotfile, "}" |
|---|
| 497 | dotfile.close() |
|---|
| 498 | except IOError: |
|---|
| 499 | raise service_error(service_error.internal, "Cannot write dot file") |
|---|
| 500 | |
|---|
| 501 | # Use dot to create a visualization |
|---|
| 502 | dot = Popen([neato, '-Gstart=rand', '-Gepsilon=0.005', '-Gmaxiter=2000', |
|---|
| 503 | '-Gpack=true', dotname], stdout=PIPE) |
|---|
| 504 | |
|---|
| 505 | # Translate dot to emulab format |
|---|
| 506 | try: |
|---|
| 507 | print >>out, "<vis>" |
|---|
| 508 | for line in dot.stdout: |
|---|
| 509 | m = vis_re.match(line) |
|---|
| 510 | if m: |
|---|
| 511 | n, x, y = (m.group(1), m.group(2), m.group(3)) |
|---|
| 512 | if tp.nodes.has_key(n): |
|---|
| 513 | print >>out, vis_fmt % (n, x, y, tp.nodes[n]) |
|---|
| 514 | print >>out, "</vis>" |
|---|
| 515 | out.close() |
|---|
| 516 | except IOError: |
|---|
| 517 | raise service_error(service_error.internal, |
|---|
| 518 | "Failed to write visualization file") |
|---|
| 519 | rv = dot.wait() |
|---|
| 520 | os.remove(dotname) |
|---|
| 521 | return rv == 0 |
|---|
| 522 | |
|---|
| 523 | |
|---|
| 524 | def get_access(self, tb, nodes, user, tbparam): |
|---|
| 525 | """ |
|---|
| 526 | Get access to testbed through fedd and set the parameters for that tb |
|---|
| 527 | """ |
|---|
| 528 | |
|---|
| 529 | translate_attr = { |
|---|
| 530 | 'slavenodestartcmd': 'expstart', |
|---|
| 531 | 'slaveconnectorstartcmd': 'gwstart', |
|---|
| 532 | 'masternodestartcmd': 'mexpstart', |
|---|
| 533 | 'masterconnectorstartcmd': 'mgwstart', |
|---|
| 534 | 'connectorimage': 'gwimage', |
|---|
| 535 | 'connectortype': 'gwtype', |
|---|
| 536 | 'tunnelcfg': 'tun', |
|---|
| 537 | } |
|---|
| 538 | |
|---|
| 539 | # XXX multi-level access |
|---|
| 540 | uri = self.tbmap.get(tb, None) |
|---|
| 541 | if not uri: |
|---|
| 542 | raise service_error(serice_error.server_config, |
|---|
| 543 | "Unknown testbed: %s" % tb) |
|---|
| 544 | |
|---|
| 545 | # The basic request |
|---|
| 546 | req = {\ |
|---|
| 547 | 'destinationTestbed' : { 'uri' : uri }, |
|---|
| 548 | 'user': user, |
|---|
| 549 | 'allocID' : { 'username': 'test' }, |
|---|
| 550 | 'access' : [ { 'sshPubkey' : self.ssh_pubkey } ] |
|---|
| 551 | } |
|---|
| 552 | |
|---|
| 553 | # node resources if any |
|---|
| 554 | if nodes != None and len(nodes) > 0: |
|---|
| 555 | rnodes = [ ] |
|---|
| 556 | for n in nodes: |
|---|
| 557 | rn = { } |
|---|
| 558 | image, hw, count = n.split(":") |
|---|
| 559 | if image: rn['image'] = [ image ] |
|---|
| 560 | if hw: rn['hardware'] = [ hw ] |
|---|
| 561 | if count: rn['count'] = int(count) |
|---|
| 562 | rnodes.append(rn) |
|---|
| 563 | req['resources']= { } |
|---|
| 564 | req['resources']['node'] = rnodes |
|---|
| 565 | |
|---|
| 566 | # No retry loop here. Proxy servers must correctly authenticate |
|---|
| 567 | # themselves without help |
|---|
| 568 | try: |
|---|
| 569 | ctx = fedd_ssl_context(self.cert_file, |
|---|
| 570 | self.trusted_certs, password=self.cert_pwd) |
|---|
| 571 | except SSL.SSLError: |
|---|
| 572 | raise service_error(service_error.server_config, |
|---|
| 573 | "Server certificates misconfigured") |
|---|
| 574 | |
|---|
| 575 | loc = feddServiceLocator(); |
|---|
| 576 | port = loc.getfeddPortType(uri, |
|---|
| 577 | transport=M2Crypto.httpslib.HTTPSConnection, |
|---|
| 578 | transdict={ 'ssl_context' : ctx }) |
|---|
| 579 | |
|---|
| 580 | # Reconstruct the full request message |
|---|
| 581 | msg = RequestAccessRequestMessage() |
|---|
| 582 | msg.set_element_RequestAccessRequestBody( |
|---|
| 583 | pack_soap(msg, "RequestAccessRequestBody", req)) |
|---|
| 584 | try: |
|---|
| 585 | resp = port.RequestAccess(msg) |
|---|
| 586 | except ZSI.ParseException, e: |
|---|
| 587 | raise service_error(service_error.req, |
|---|
| 588 | "Bad format message (XMLRPC??): %s" % |
|---|
| 589 | str(e)) |
|---|
| 590 | r = unpack_soap(resp) |
|---|
| 591 | |
|---|
| 592 | if r.has_key('RequestAccessResponseBody'): |
|---|
| 593 | r = r['RequestAccessResponseBody'] |
|---|
| 594 | else: |
|---|
| 595 | raise service_error(service_error.proxy, |
|---|
| 596 | "Bad proxy response") |
|---|
| 597 | |
|---|
| 598 | |
|---|
| 599 | e = r['emulab'] |
|---|
| 600 | p = e['project'] |
|---|
| 601 | tbparam[tb] = { |
|---|
| 602 | "boss": e['boss'], |
|---|
| 603 | "host": e['ops'], |
|---|
| 604 | "domain": e['domain'], |
|---|
| 605 | "fs": e['fileServer'], |
|---|
| 606 | "eventserver": e['eventServer'], |
|---|
| 607 | "project": unpack_id(p['name']) |
|---|
| 608 | } |
|---|
| 609 | |
|---|
| 610 | for u in p['user']: |
|---|
| 611 | tbparam[tb]['user'] = unpack_id(u['userID']) |
|---|
| 612 | |
|---|
| 613 | for a in e['fedAttr']: |
|---|
| 614 | if a['attribute']: |
|---|
| 615 | key = translate_attr.get(a['attribute'].lower(), None) |
|---|
| 616 | if key: |
|---|
| 617 | tbparam[tb][key]= a['value'] |
|---|
| 618 | |
|---|
| 619 | class current_testbed: |
|---|
| 620 | def __init__(self, eid, tmpdir): |
|---|
| 621 | self.begin_testbed = re.compile("^#\s+Begin\s+Testbed\s+\((\w+)\)") |
|---|
| 622 | self.end_testbed = re.compile("^#\s+End\s+Testbed\s+\((\w+)\)") |
|---|
| 623 | self.current_testbed = None |
|---|
| 624 | self.testbed_file = None |
|---|
| 625 | |
|---|
| 626 | self.def_expstart = \ |
|---|
| 627 | "sudo -H /bin/sh FEDDIR/fed_bootstrap >& /tmp/federate"; |
|---|
| 628 | self.def_mexpstart = "sudo -H FEDDIR/make_hosts FEDDIR/hosts"; |
|---|
| 629 | self.def_gwstart = \ |
|---|
| 630 | "sudo -H FEDDIR/fed-tun.pl -f GWCONF>& /tmp/bridge.log"; |
|---|
| 631 | self.def_mgwstart = \ |
|---|
| 632 | "sudo -H FEDDIR/fed-tun.pl -f GWCONF >& /tmp/bridge.log"; |
|---|
| 633 | self.def_gwimage = "FBSD61-TUNNEL2"; |
|---|
| 634 | self.def_gwtype = "pc"; |
|---|
| 635 | |
|---|
| 636 | self.eid = eid |
|---|
| 637 | self.tmpdir = tmpdir |
|---|
| 638 | |
|---|
| 639 | def __call__(self, line, master, allocated, tbparams): |
|---|
| 640 | # Capture testbed topology descriptions |
|---|
| 641 | if self.current_testbed == None: |
|---|
| 642 | m = self.begin_testbed.match(line) |
|---|
| 643 | if m != None: |
|---|
| 644 | self.current_testbed = m.group(1) |
|---|
| 645 | if self.current_testbed == None: |
|---|
| 646 | raise service_error(service_error.req, |
|---|
| 647 | "Bad request format (unnamed testbed)") |
|---|
| 648 | allocated[self.current_testbed] = \ |
|---|
| 649 | allocated.get(self.current_testbed,0) + 1 |
|---|
| 650 | tb_dir = "%s/%s" % (self.tmpdir, self.current_testbed) |
|---|
| 651 | if not os.path.exists(tb_dir): |
|---|
| 652 | try: |
|---|
| 653 | os.mkdir(tb_dir) |
|---|
| 654 | except IOError: |
|---|
| 655 | raise service_error(service_error.internal, |
|---|
| 656 | "Cannot create %s" % tb_dir) |
|---|
| 657 | try: |
|---|
| 658 | self.testbed_file = open("%s/%s.%s.tcl" % |
|---|
| 659 | (tb_dir, self.eid, self.current_testbed), 'w') |
|---|
| 660 | except IOError: |
|---|
| 661 | self.testbed_file = None |
|---|
| 662 | return True |
|---|
| 663 | else: return False |
|---|
| 664 | else: |
|---|
| 665 | m = self.end_testbed.match(line) |
|---|
| 666 | if m != None: |
|---|
| 667 | if m.group(1) != self.current_testbed: |
|---|
| 668 | raise service_error(service_error.internal, |
|---|
| 669 | "Mismatched testbed markers!?") |
|---|
| 670 | if self.testbed_file != None: |
|---|
| 671 | self.testbed_file.close() |
|---|
| 672 | self.testbed_file = None |
|---|
| 673 | self.current_testbed = None |
|---|
| 674 | elif self.testbed_file: |
|---|
| 675 | # Substitute variables and put the line into the local |
|---|
| 676 | # testbed file. |
|---|
| 677 | gwtype = tbparams[self.current_testbed].get('gwtype', |
|---|
| 678 | self.def_gwtype) |
|---|
| 679 | gwimage = tbparams[self.current_testbed].get('gwimage', |
|---|
| 680 | self.def_gwimage) |
|---|
| 681 | mgwstart = tbparams[self.current_testbed].get('mgwstart', |
|---|
| 682 | self.def_mgwstart) |
|---|
| 683 | mexpstart = tbparams[self.current_testbed].get('mexpstart', |
|---|
| 684 | self.def_mexpstart) |
|---|
| 685 | gwstart = tbparams[self.current_testbed].get('gwstart', |
|---|
| 686 | self.def_gwstart) |
|---|
| 687 | expstart = tbparams[self.current_testbed].get('expstart', |
|---|
| 688 | self.def_expstart) |
|---|
| 689 | project = tbparams[self.current_testbed].get('project') |
|---|
| 690 | line = re.sub("GWTYPE", gwtype, line) |
|---|
| 691 | line = re.sub("GWIMAGE", gwimage, line) |
|---|
| 692 | if self.current_testbed == master: |
|---|
| 693 | line = re.sub("GWSTART", mgwstart, line) |
|---|
| 694 | line = re.sub("EXPSTART", mexpstart, line) |
|---|
| 695 | else: |
|---|
| 696 | line = re.sub("GWSTART", gwstart, line) |
|---|
| 697 | line = re.sub("EXPSTART", expstart, line) |
|---|
| 698 | # XXX: does `` embed without doing enything else? |
|---|
| 699 | line = re.sub("GWCONF", "FEDDIR`hostname`.gw.conf", line) |
|---|
| 700 | line = re.sub("PROJDIR", "/proj/%s/" % project, line) |
|---|
| 701 | line = re.sub("EID", self.eid, line) |
|---|
| 702 | line = re.sub("FEDDIR", "/proj/%s/exp/%s/tmp/" % \ |
|---|
| 703 | (project, self.eid), line) |
|---|
| 704 | print >>self.testbed_file, line |
|---|
| 705 | return True |
|---|
| 706 | |
|---|
| 707 | class allbeds: |
|---|
| 708 | def __init__(self, get_access): |
|---|
| 709 | self.begin_allbeds = re.compile("^#\s+Begin\s+Allbeds") |
|---|
| 710 | self.end_allbeds = re.compile("^#\s+End\s+Allbeds") |
|---|
| 711 | self.in_allbeds = False |
|---|
| 712 | self.get_access = get_access |
|---|
| 713 | |
|---|
| 714 | def __call__(self, line, user, tbparams): |
|---|
| 715 | # Testbed access parameters |
|---|
| 716 | if not self.in_allbeds: |
|---|
| 717 | if self.begin_allbeds.match(line): |
|---|
| 718 | self.in_allbeds = True |
|---|
| 719 | return True |
|---|
| 720 | else: |
|---|
| 721 | return False |
|---|
| 722 | else: |
|---|
| 723 | if self.end_allbeds.match(line): |
|---|
| 724 | self.in_allbeds = False |
|---|
| 725 | else: |
|---|
| 726 | nodes = line.split('|') |
|---|
| 727 | tb = nodes.pop(0) |
|---|
| 728 | self.get_access(tb, nodes, user, tbparams) |
|---|
| 729 | return True |
|---|
| 730 | |
|---|
| 731 | class gateways: |
|---|
| 732 | def __init__(self, eid, smbshare, master, tmpdir, gw_pubkey, |
|---|
| 733 | gw_secretkey, copy_file): |
|---|
| 734 | self.begin_gateways = \ |
|---|
| 735 | re.compile("^#\s+Begin\s+gateways\s+\((\w+)\)") |
|---|
| 736 | self.end_gateways = re.compile("^#\s+End\s+gateways\s+\((\w+)\)") |
|---|
| 737 | self.current_gateways = None |
|---|
| 738 | self.control_gateway = None |
|---|
| 739 | self.active_end = { } |
|---|
| 740 | |
|---|
| 741 | self.eid = eid |
|---|
| 742 | self.smbshare = smbshare |
|---|
| 743 | self.master = master |
|---|
| 744 | self.tmpdir = tmpdir |
|---|
| 745 | self.gw_pubkey_base = gw_pubkey |
|---|
| 746 | self.gw_secretkey_base = gw_secretkey |
|---|
| 747 | |
|---|
| 748 | self.copy_file = copy_file |
|---|
| 749 | |
|---|
| 750 | |
|---|
| 751 | def gateway_conf_file(self, gw, master, eid, pubkey, privkey, |
|---|
| 752 | active_end, tbparams, dtb, myname, desthost, type): |
|---|
| 753 | """ |
|---|
| 754 | Produce a gateway configuration file from a gateways line. |
|---|
| 755 | """ |
|---|
| 756 | |
|---|
| 757 | sproject = tbparams[gw].get('project', 'project') |
|---|
| 758 | dproject = tbparams[dtb].get('project', 'project') |
|---|
| 759 | sdomain = ".%s.%s%s" % (eid, sproject, |
|---|
| 760 | tbparams[gw].get('domain', ".example.com")) |
|---|
| 761 | ddomain = ".%s.%s%s" % (eid, dproject, |
|---|
| 762 | tbparams[dtb].get('domain', ".example.com")) |
|---|
| 763 | boss = tbparams[master].get('boss', "boss") |
|---|
| 764 | fs = tbparams[master].get('fs', "fs") |
|---|
| 765 | event_server = "%s%s" % \ |
|---|
| 766 | (tbparams[master].get('eventserver', "event_server"), |
|---|
| 767 | tbparams[master].get('domain', "example.com")) |
|---|
| 768 | remote_event_server = "%s%s" % \ |
|---|
| 769 | (tbparams[dtb].get('eventserver', "event_server"), |
|---|
| 770 | tbparams[dtb].get('domain', "example.com")) |
|---|
| 771 | |
|---|
| 772 | remote_script_dir = "/proj/%s/exp/%s/tmp" % ( dproject, eid) |
|---|
| 773 | local_script_dir = "/proj/%s/exp/%s/tmp" % ( sproject, eid) |
|---|
| 774 | tunnel_cfg = tbparams[gw].get("tun", "false") |
|---|
| 775 | |
|---|
| 776 | conf_file = "%s%s.gw.conf" % (myname, sdomain) |
|---|
| 777 | remote_conf_file = "%s%s.gw.conf" % (desthost, ddomain) |
|---|
| 778 | |
|---|
| 779 | # translate to lower case so the `hostname` hack for specifying |
|---|
| 780 | # configuration files works. |
|---|
| 781 | conf_file = conf_file.lower(); |
|---|
| 782 | remote_conf_file = remote_conf_file.lower(); |
|---|
| 783 | |
|---|
| 784 | if dtb == master: |
|---|
| 785 | active = "false" |
|---|
| 786 | elif gw == master: |
|---|
| 787 | active = "true" |
|---|
| 788 | elif active_end.has_key['%s-%s' % (dtb, gw)]: |
|---|
| 789 | active = "false" |
|---|
| 790 | else: |
|---|
| 791 | active_end['%s-%s' % (gw, dtb)] = 1 |
|---|
| 792 | active = "true" |
|---|
| 793 | |
|---|
| 794 | gwconfig = open("%s/%s/%s" % (self.tmpdir, gw, conf_file), "w") |
|---|
| 795 | print >>gwconfig, "Active: %s" % active |
|---|
| 796 | print >>gwconfig, "TunnelCfg: %s" % tunnel_cfg |
|---|
| 797 | print >>gwconfig, "BossName: %s" % boss |
|---|
| 798 | print >>gwconfig, "FsName: %s" % fs |
|---|
| 799 | print >>gwconfig, "EventServerName: %s" % event_server |
|---|
| 800 | print >>gwconfig, "RemoteEventServerName: %s" % remote_event_server |
|---|
| 801 | print >>gwconfig, "Type: %s" % type |
|---|
| 802 | print >>gwconfig, "RemoteScriptDir: %s" % remote_script_dir |
|---|
| 803 | print >>gwconfig, "EventRepeater: %s/fed_evrepeater" % \ |
|---|
| 804 | local_script_dir |
|---|
| 805 | print >>gwconfig, "RemoteExperiment: %s/%s" % (dproject, eid) |
|---|
| 806 | print >>gwconfig, "LocalExperiment: %s/%s" % (sproject, eid) |
|---|
| 807 | print >>gwconfig, "RemoteConfigFile: %s/%s" % \ |
|---|
| 808 | (remote_script_dir, remote_conf_file) |
|---|
| 809 | print >>gwconfig, "Peer: %s%s" % (desthost, ddomain) |
|---|
| 810 | print >>gwconfig, "Pubkeys: %s/%s" % (local_script_dir, pubkey) |
|---|
| 811 | print >>gwconfig, "Privkeys: %s/%s" % (local_script_dir, privkey) |
|---|
| 812 | gwconfig.close() |
|---|
| 813 | |
|---|
| 814 | return active == "true" |
|---|
| 815 | |
|---|
| 816 | def __call__(self, line, allocated, tbparams): |
|---|
| 817 | # Process gateways |
|---|
| 818 | if not self.current_gateways: |
|---|
| 819 | m = self.begin_gateways.match(line) |
|---|
| 820 | if m: |
|---|
| 821 | self.current_gateways = m.group(1) |
|---|
| 822 | if allocated.has_key(self.current_gateways): |
|---|
| 823 | # This test should always succeed |
|---|
| 824 | tb_dir = "%s/%s" % (self.tmpdir, self.current_gateways) |
|---|
| 825 | if not os.path.exists(tb_dir): |
|---|
| 826 | try: |
|---|
| 827 | os.mkdir(tb_dir) |
|---|
| 828 | except IOError: |
|---|
| 829 | raise service_error(service_error.internal, |
|---|
| 830 | "Cannot create %s" % tb_dir) |
|---|
| 831 | else: |
|---|
| 832 | # XXX |
|---|
| 833 | print >>sys.stderr, \ |
|---|
| 834 | "Ignoring gateways for unknown testbed %s" \ |
|---|
| 835 | % self.current_gateways |
|---|
| 836 | self.current_gateways = None |
|---|
| 837 | return True |
|---|
| 838 | else: |
|---|
| 839 | return False |
|---|
| 840 | else: |
|---|
| 841 | m = self.end_gateways.match(line) |
|---|
| 842 | if m : |
|---|
| 843 | if m.group(1) != self.current_gateways: |
|---|
| 844 | raise service_error(service_error.internal, |
|---|
| 845 | "Mismatched gateway markers!?") |
|---|
| 846 | if self.control_gateway: |
|---|
| 847 | try: |
|---|
| 848 | cc = open("%s/%s/client.conf" % |
|---|
| 849 | (self.tmpdir, self.current_gateways), 'w') |
|---|
| 850 | print >>cc, "ControlGateway: %s" % \ |
|---|
| 851 | self.control_gateway |
|---|
| 852 | print >>cc, "SMBSHare: %s" % self.smbshare |
|---|
| 853 | print >>cc, "ProjectUser: %s" % \ |
|---|
| 854 | tbparams[self.current_gateways]['user'] |
|---|
| 855 | print >>cc, "ProjectName: %s" % \ |
|---|
| 856 | tbparams[self.master]['project'] |
|---|
| 857 | cc.close() |
|---|
| 858 | except IOError: |
|---|
| 859 | raise service_error(service_error.internal, |
|---|
| 860 | "Error creating client config") |
|---|
| 861 | else: |
|---|
| 862 | # XXX |
|---|
| 863 | print >>sys.stderr, "No control gateway for %s" %\ |
|---|
| 864 | self.current_gateways |
|---|
| 865 | self.current_gateways = None |
|---|
| 866 | else: |
|---|
| 867 | dtb, myname, desthost, type = line.split(" ") |
|---|
| 868 | |
|---|
| 869 | if type == "control" or type == "both": |
|---|
| 870 | self.control_gateway = "%s.%s.%s%s" % (myname, |
|---|
| 871 | self.eid, |
|---|
| 872 | tbparams[self.current_gateways]['project'], |
|---|
| 873 | tbparams[self.current_gateways]['domain']) |
|---|
| 874 | try: |
|---|
| 875 | active = self.gateway_conf_file(self.current_gateways, |
|---|
| 876 | self.master, self.eid, self.gw_pubkey_base, |
|---|
| 877 | self.gw_secretkey_base, |
|---|
| 878 | self.active_end, tbparams, dtb, myname, |
|---|
| 879 | desthost, type) |
|---|
| 880 | except IOError, e: |
|---|
| 881 | raise service_error(service_error.internal, |
|---|
| 882 | "Failed to write config file for %s" % \ |
|---|
| 883 | self.current_gateway) |
|---|
| 884 | |
|---|
| 885 | gw_pubkey = "%s/keys/%s" % \ |
|---|
| 886 | (self.tmpdir, self.gw_pubkey_base) |
|---|
| 887 | gw_secretkey = "%s/keys/%s" % \ |
|---|
| 888 | (self.tmpdir, self.gw_secretkey_base) |
|---|
| 889 | |
|---|
| 890 | pkfile = "%s/%s/%s" % \ |
|---|
| 891 | ( self.tmpdir, self.current_gateways, |
|---|
| 892 | self.gw_pubkey_base) |
|---|
| 893 | skfile = "%s/%s/%s" % \ |
|---|
| 894 | ( self.tmpdir, self.current_gateways, |
|---|
| 895 | self.gw_secretkey_base) |
|---|
| 896 | |
|---|
| 897 | if not os.path.exists(pkfile): |
|---|
| 898 | try: |
|---|
| 899 | self.copy_file(gw_pubkey, pkfile) |
|---|
| 900 | except IOError: |
|---|
| 901 | service_error(service_error.internal, |
|---|
| 902 | "Failed to copy pubkey file") |
|---|
| 903 | |
|---|
| 904 | if active and not os.path.exists(skfile): |
|---|
| 905 | try: |
|---|
| 906 | self.copy_file(gw_secretkey, skfile) |
|---|
| 907 | except IOError: |
|---|
| 908 | service_error(service_error.internal, |
|---|
| 909 | "Failed to copy secretkey file") |
|---|
| 910 | return True |
|---|
| 911 | |
|---|
| 912 | class shunt_to_file: |
|---|
| 913 | def __init__(self, begin, end, filename): |
|---|
| 914 | self.begin = re.compile(begin) |
|---|
| 915 | self.end = re.compile(end) |
|---|
| 916 | self.in_shunt = False |
|---|
| 917 | self.file = None |
|---|
| 918 | self.filename = filename |
|---|
| 919 | |
|---|
| 920 | def __call__(self, line): |
|---|
| 921 | if not self.in_shunt: |
|---|
| 922 | if self.begin.match(line): |
|---|
| 923 | self.in_shunt = True |
|---|
| 924 | try: |
|---|
| 925 | self.file = open(self.filename, "w") |
|---|
| 926 | except: |
|---|
| 927 | self.file = None |
|---|
| 928 | raise |
|---|
| 929 | return True |
|---|
| 930 | else: |
|---|
| 931 | return False |
|---|
| 932 | else: |
|---|
| 933 | if self.end.match(line): |
|---|
| 934 | if self.file: |
|---|
| 935 | self.file.close() |
|---|
| 936 | self.file = None |
|---|
| 937 | self.in_shunt = False |
|---|
| 938 | else: |
|---|
| 939 | if self.file: |
|---|
| 940 | print >>self.file, line |
|---|
| 941 | return True |
|---|
| 942 | |
|---|
| 943 | class shunt_to_list: |
|---|
| 944 | def __init__(self, begin, end): |
|---|
| 945 | self.begin = re.compile(begin) |
|---|
| 946 | self.end = re.compile(end) |
|---|
| 947 | self.in_shunt = False |
|---|
| 948 | self.list = [ ] |
|---|
| 949 | |
|---|
| 950 | def __call__(self, line): |
|---|
| 951 | if not self.in_shunt: |
|---|
| 952 | if self.begin.match(line): |
|---|
| 953 | self.in_shunt = True |
|---|
| 954 | return True |
|---|
| 955 | else: |
|---|
| 956 | return False |
|---|
| 957 | else: |
|---|
| 958 | if self.end.match(line): |
|---|
| 959 | self.in_shunt = False |
|---|
| 960 | else: |
|---|
| 961 | self.list.append(line) |
|---|
| 962 | return True |
|---|
| 963 | |
|---|
| 964 | def create_experiment(self, req, fid): |
|---|
| 965 | try: |
|---|
| 966 | tmpdir = tempfile.mkdtemp(prefix="split-") |
|---|
| 967 | except IOError: |
|---|
| 968 | raise service_error(service_error.internal, "Cannot create tmp dir") |
|---|
| 969 | |
|---|
| 970 | gw_pubkey_base = "fed.%s.pub" % self.ssh_type |
|---|
| 971 | gw_secretkey_base = "fed.%s" % self.ssh_type |
|---|
| 972 | gw_pubkey = tmpdir + "/keys/" + gw_pubkey_base |
|---|
| 973 | gw_secretkey = tmpdir + "/keys/" + gw_secretkey_base |
|---|
| 974 | tclfile = tmpdir + "/experiment.tcl" |
|---|
| 975 | tbparams = { } |
|---|
| 976 | |
|---|
| 977 | pid = "dummy" |
|---|
| 978 | gid = "dummy" |
|---|
| 979 | # XXX |
|---|
| 980 | eid = "faber-splitter" |
|---|
| 981 | # XXX |
|---|
| 982 | master = "deter" |
|---|
| 983 | # XXX |
|---|
| 984 | smbshare="USERS" |
|---|
| 985 | # XXX |
|---|
| 986 | fail_soft = False |
|---|
| 987 | # XXX |
|---|
| 988 | startem = True |
|---|
| 989 | |
|---|
| 990 | |
|---|
| 991 | try: |
|---|
| 992 | os.mkdir(tmpdir+"/keys") |
|---|
| 993 | except OSError: |
|---|
| 994 | raise service_error(service_error.internal, |
|---|
| 995 | "Can't make temporary dir") |
|---|
| 996 | |
|---|
| 997 | # The tcl parser needs to read a file so put the content into that file |
|---|
| 998 | file_content=req.get('experimentdescription', None) |
|---|
| 999 | if file_content != None: |
|---|
| 1000 | try: |
|---|
| 1001 | f = open(tclfile, 'w') |
|---|
| 1002 | f.write(file_content) |
|---|
| 1003 | f.close() |
|---|
| 1004 | except IOError: |
|---|
| 1005 | raise service_error(service_error.internal, |
|---|
| 1006 | "Cannot write temp experiment description") |
|---|
| 1007 | else: |
|---|
| 1008 | raise service_error(service_error.req, "No experiment description") |
|---|
| 1009 | |
|---|
| 1010 | try: |
|---|
| 1011 | self.generate_ssh_keys(gw_secretkey, self.ssh_type) |
|---|
| 1012 | except ValueError: |
|---|
| 1013 | raise service_error(service_error.server_config, |
|---|
| 1014 | "Bad key type (%s)" % self.ssh_type) |
|---|
| 1015 | |
|---|
| 1016 | user = req.get('user', None) |
|---|
| 1017 | if user == None: |
|---|
| 1018 | raise service_error(service_error.req, "No user") |
|---|
| 1019 | |
|---|
| 1020 | |
|---|
| 1021 | tclcmd = [self.tclsh, self.tcl_splitter, '-s', '-x', |
|---|
| 1022 | str(self.muxmax), '-m', master, pid, gid, eid, tclfile] |
|---|
| 1023 | tclparser = Popen(tclcmd, stdout=PIPE) |
|---|
| 1024 | |
|---|
| 1025 | allocated = { } |
|---|
| 1026 | started = { } |
|---|
| 1027 | |
|---|
| 1028 | parse_current_testbed = self.current_testbed(eid, tmpdir) |
|---|
| 1029 | parse_allbeds = self.allbeds(self.get_access) |
|---|
| 1030 | parse_gateways = self.gateways(eid, smbshare, master, tmpdir, |
|---|
| 1031 | gw_pubkey_base, gw_secretkey_base, self.copy_file) |
|---|
| 1032 | parse_vtopo = self.shunt_to_file("^#\s+Begin\s+Vtopo", |
|---|
| 1033 | "^#\s+End\s+Vtopo", tmpdir + "/vtopo.xml") |
|---|
| 1034 | parse_hostnames = self.shunt_to_file("^#\s+Begin\s+hostnames", |
|---|
| 1035 | "^#\s+End\s+hostnames", tmpdir + "/hosts") |
|---|
| 1036 | parse_tarfiles = self.shunt_to_list("^#\s+Begin\s+tarfiles", |
|---|
| 1037 | "^#\s+End\s+tarfiles") |
|---|
| 1038 | parse_rpms = self.shunt_to_list("^#\s+Begin\s+rpms", |
|---|
| 1039 | "^#\s+End\s+rpms") |
|---|
| 1040 | |
|---|
| 1041 | for line in tclparser.stdout: |
|---|
| 1042 | line = line.rstrip() |
|---|
| 1043 | if parse_current_testbed(line, master, allocated, tbparams): |
|---|
| 1044 | continue |
|---|
| 1045 | elif parse_allbeds(line, user, tbparams): |
|---|
| 1046 | continue |
|---|
| 1047 | elif parse_gateways(line, allocated, tbparams): |
|---|
| 1048 | continue |
|---|
| 1049 | elif parse_vtopo(line): |
|---|
| 1050 | continue |
|---|
| 1051 | elif parse_hostnames(line): |
|---|
| 1052 | continue |
|---|
| 1053 | elif parse_tarfiles(line): |
|---|
| 1054 | continue |
|---|
| 1055 | elif parse_rpms(line): |
|---|
| 1056 | continue |
|---|
| 1057 | else: |
|---|
| 1058 | raise service_error(service_error.internal, |
|---|
| 1059 | "Bad tcl parse? %s" % line) |
|---|
| 1060 | |
|---|
| 1061 | self.genviz(tmpdir + "/vtopo.xml", tmpdir + "/viz.xml") |
|---|
| 1062 | if not startem: return True |
|---|
| 1063 | |
|---|
| 1064 | # Copy tarfiles and rpms needed at remote sites into a staging area |
|---|
| 1065 | try: |
|---|
| 1066 | for t in parse_tarfiles.list: |
|---|
| 1067 | if not os.path.exists("%s/tarfiles" % tmpdir): |
|---|
| 1068 | os.mkdir("%s/tarfiles" % tmpdir) |
|---|
| 1069 | self.copy_file(t, "%s/tarfiles/%s" % \ |
|---|
| 1070 | (tmpdir, os.path.basename(t))) |
|---|
| 1071 | for r in parse_rpms.list: |
|---|
| 1072 | if not os.path.exists("%s/rpms" % tmpdir): |
|---|
| 1073 | os.mkdir("%s/rpms" % tmpdir) |
|---|
| 1074 | self.copy_file(r, "%s/rpms/%s" % \ |
|---|
| 1075 | (tmpdir, os.path.basename(r))) |
|---|
| 1076 | except IOError, e: |
|---|
| 1077 | raise service_error(service_error.internal, |
|---|
| 1078 | "Cannot stage tarfile/rpm: %s" % e.strerror) |
|---|
| 1079 | |
|---|
| 1080 | thread_pool_info = self.thread_pool() |
|---|
| 1081 | threads = [ ] |
|---|
| 1082 | |
|---|
| 1083 | for tb in [ k for k in allocated.keys() if k != master]: |
|---|
| 1084 | # Wait until we have a free slot to start the next testbed load |
|---|
| 1085 | thread_pool_info.acquire() |
|---|
| 1086 | while thread_pool_info.started - \ |
|---|
| 1087 | thread_pool_info.terminated >= self.nthreads: |
|---|
| 1088 | thread_pool_info.wait() |
|---|
| 1089 | thread_pool_info.release() |
|---|
| 1090 | |
|---|
| 1091 | # Create and start a thread to start the segment, and save it to |
|---|
| 1092 | # get the return value later |
|---|
| 1093 | t = self.pooled_thread(target=self.start_segment, |
|---|
| 1094 | args=(tb, eid, tbparams, tmpdir, 0), name=tb, |
|---|
| 1095 | pdata=thread_pool_info) |
|---|
| 1096 | threads.append(t) |
|---|
| 1097 | t.start() |
|---|
| 1098 | |
|---|
| 1099 | # Wait until all finish (the first clause of the while is to make sure |
|---|
| 1100 | # one starts) |
|---|
| 1101 | thread_pool_info.acquire() |
|---|
| 1102 | while thread_pool_info.started == 0 or \ |
|---|
| 1103 | thread_pool_info.started > thread_pool_info.terminated: |
|---|
| 1104 | thread_pool_info.wait() |
|---|
| 1105 | thread_pool_info.release() |
|---|
| 1106 | |
|---|
| 1107 | # If none failed, start the master |
|---|
| 1108 | failed = [ t.getName() for t in threads if not t.rv ] |
|---|
| 1109 | |
|---|
| 1110 | if len(failed) == 0: |
|---|
| 1111 | if not self.start_segment(master, eid, tbparams, tmpdir): |
|---|
| 1112 | failed.append(master) |
|---|
| 1113 | |
|---|
| 1114 | # If one failed clean up |
|---|
| 1115 | if not fail_soft and len(failed) > 0: |
|---|
| 1116 | for tb in failed: |
|---|
| 1117 | self.stop_segment(tb, eid, tbparams) |
|---|
| 1118 | else: |
|---|
| 1119 | print "Experiment started" |
|---|
| 1120 | |
|---|
| 1121 | # XXX: return value |
|---|
| 1122 | |
|---|
| 1123 | if __name__ == '__main__': |
|---|
| 1124 | from optparse import OptionParser |
|---|
| 1125 | |
|---|
| 1126 | parser = OptionParser() |
|---|
| 1127 | parser.add_option('-d', '--debug', dest='debug', default=False, |
|---|
| 1128 | action='store_true', help='print actions rather than take them') |
|---|
| 1129 | parser.add_option('-f', '--file', dest='tcl', help='tcl file to parse') |
|---|
| 1130 | opts, args = parser.parse_args() |
|---|
| 1131 | |
|---|
| 1132 | if opts.tcl != None: |
|---|
| 1133 | try: |
|---|
| 1134 | f = open(opts.tcl, 'r') |
|---|
| 1135 | content = ''.join(f) |
|---|
| 1136 | f.close() |
|---|
| 1137 | except IOError, e: |
|---|
| 1138 | sys.exit("Can't read %s: %s" % (opts.tcl, e)) |
|---|
| 1139 | else: |
|---|
| 1140 | sys.exit("Must specify a file name") |
|---|
| 1141 | |
|---|
| 1142 | obj = fedd_create_experiment_local( |
|---|
| 1143 | debug=opts.debug, |
|---|
| 1144 | scripts_dir="/users/faber/testbed/federation", |
|---|
| 1145 | cert_file="./fedd_client.pem", cert_pwd="faber", |
|---|
| 1146 | ssh_pubkey_file='/users/faber/.ssh/id_rsa.pub', |
|---|
| 1147 | trusted_certs="./cacert.pem", |
|---|
| 1148 | tbmap = { |
|---|
| 1149 | 'deter':'https://users.isi.deterlab.net:23235', |
|---|
| 1150 | 'emulab':'https://users.isi.deterlab.net:23236', |
|---|
| 1151 | 'ucb':'https://users.isi.deterlab.net:23237', |
|---|
| 1152 | }, |
|---|
| 1153 | ) |
|---|
| 1154 | obj.create_experiment( {\ |
|---|
| 1155 | 'experimentdescription' : content, |
|---|
| 1156 | 'user': [ {'userID' : { 'username' : 'faber' } } ], |
|---|
| 1157 | }, |
|---|
| 1158 | None) |
|---|
