[6679c122] | 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 re |
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| 11 | import random |
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| 12 | import string |
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| 13 | import subprocess |
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| 14 | import tempfile |
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| 15 | import copy |
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| 16 | |
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| 17 | from subprocess import * |
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| 18 | |
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| 19 | from fedd_services import * |
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| 20 | from fedd_internal_services import * |
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| 21 | from fedd_util import * |
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| 22 | import parse_detail |
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| 23 | from service_error import * |
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| 24 | |
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| 25 | class fedd_create_experiment_local: |
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| 26 | scripts = ["fed_bootstrap", "federate.sh", "smbmount.FreeBSD.pl", |
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| 27 | "smbmount.Linux.pl", "make_hosts", "fed-tun.pl", "fed_evrepeater", |
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| 28 | "rc.accounts.patch"] |
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| 29 | |
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| 30 | def __init__(self, |
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| 31 | cert_file=None, |
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| 32 | cert_pwd=None, |
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| 33 | muxmax=2, |
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| 34 | project_user = "faber", |
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| 35 | # scp_exec="/bin/echo", |
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| 36 | scp_exec="/usr/bin/scp", |
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| 37 | scripts_dir="./", |
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| 38 | splitter=None, |
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| 39 | # ssh_exec="/bin/echo", |
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| 40 | ssh_exec="/usr/bin/ssh", |
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| 41 | ssh_identity_file=None, |
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| 42 | ssh_keygen="/usr/bin/ssh-keygen", |
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| 43 | ssh_pubkey_file=None, |
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| 44 | ssh_type="rsa", |
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| 45 | tbmap=None, |
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| 46 | tclsh="/usr/local/bin/otclsh", |
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| 47 | tcl_splitter="/usr/testbed/lib/ns2ir/parse.tcl", |
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| 48 | tmpdir="/tmp", |
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| 49 | trusted_certs=None, |
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| 50 | ): |
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| 51 | self.scripts = fedd_create_experiment_local.scripts |
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| 52 | |
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| 53 | self.cert_file = cert_file |
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| 54 | self.cert_pwd = cert_pwd |
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| 55 | self.muxmax = muxmax |
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| 56 | self.project_user = project_user |
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| 57 | self.scp_exec = scp_exec |
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| 58 | self.scripts_dir = scripts_dir |
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| 59 | self.splitter = splitter |
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| 60 | self.ssh_exec=ssh_exec |
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| 61 | self.ssh_keygen = ssh_keygen |
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| 62 | self.ssh_identity_file = ssh_identity_file |
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| 63 | self.ssh_type = ssh_type |
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| 64 | self.tclsh = tclsh |
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| 65 | self.tcl_splitter = tcl_splitter |
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| 66 | self.tbmap = tbmap |
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| 67 | self.tmpdir = tmpdir |
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| 68 | self.tmpdir += "/split%d/" % os.getpid() |
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| 69 | self.trusted_certs=trusted_certs |
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| 70 | |
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| 71 | self.def_expstart = \ |
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| 72 | "sudo -H /bin/sh FEDDIR/fed_bootstrap >& /tmp/federate"; |
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| 73 | self.def_mexpstart = "sudo -H FEDDIR/make_hosts FEDDIR/hosts"; |
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| 74 | self.def_gwstart = \ |
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| 75 | "sudo -H FEDDIR/fed-tun.pl -f GWCONF>& /tmp/bridge.log"; |
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| 76 | self.def_mgwstart = \ |
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| 77 | "sudo -H FEDDIR/fed-tun.pl -f GWCONF >& /tmp/bridge.log"; |
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| 78 | self.def_gwimage = "FBSD61-TUNNEL2"; |
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| 79 | self.def_gwtype = "pc"; |
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| 80 | |
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| 81 | |
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| 82 | if ssh_pubkey_file: |
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| 83 | try: |
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| 84 | f = open(ssh_pubkey_file, 'r') |
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| 85 | self.ssh_pubkey = f.read() |
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| 86 | f.close() |
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| 87 | except IOError: |
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| 88 | raise service_error(service_error.internal, |
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| 89 | "Cannot read sshpubkey") |
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| 90 | |
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| 91 | # Confirm federation scripts in the right place |
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| 92 | for s in self.scripts: |
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| 93 | if not os.path.exists(self.scripts_dir + "/" + s): |
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| 94 | raise service_error(service_error.server_config, |
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| 95 | "%s/%s not in local script dir" % (self.scripts_dir, s)) |
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| 96 | |
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| 97 | def copy_file(self, src, dest, size=1024): |
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| 98 | """ |
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| 99 | Exceedingly simple file copy. |
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| 100 | """ |
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| 101 | s = open(src,'r') |
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| 102 | d = open(dest, 'w') |
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| 103 | |
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| 104 | buf = "x" |
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| 105 | while buf != "": |
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| 106 | buf = s.read(size) |
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| 107 | d.write(buf) |
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| 108 | s.close() |
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| 109 | d.close() |
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| 110 | |
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| 111 | def scp_file(self, file, user, host, dest=""): |
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| 112 | """ |
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| 113 | scp a file to the remote host. |
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| 114 | """ |
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| 115 | |
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| 116 | rv = call([self.scp_exec, file, "%s@%s:%s" % (user, host, dest)]) |
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| 117 | if rv == 0: |
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| 118 | return True |
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| 119 | else: |
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| 120 | # XXX |
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| 121 | print >>sys.stdout, "Failed to scp %s to %s@%s" % (file, user, host) |
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| 122 | return False |
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| 123 | |
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| 124 | def ssh_cmd(self, user, host, cmd, wname=None, timeout=0): |
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| 125 | # This should be done more carefully |
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| 126 | sub = Popen("%s %s@%s %s" % (self.ssh_exec, user, host, cmd), |
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| 127 | shell=True) |
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| 128 | return sub.wait() == 0 |
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| 129 | |
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| 130 | def ship_scripts(self, host, user, dest_dir): |
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| 131 | if self.ssh_cmd(user, host, "mkdir -p %s" % dest_dir): |
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| 132 | for s in self.scripts: |
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| 133 | if not self.scp_file("%s/%s" % (self.scripts_dir, s), |
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| 134 | user, host, dest_dir): |
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| 135 | return False |
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| 136 | return True |
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| 137 | else: |
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| 138 | return False |
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| 139 | |
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| 140 | def ship_configs(self, host, user, src_dir, dest_dir): |
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| 141 | if not self.ssh_cmd(user, host, "mkdir -p %s" % dest_dir): |
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| 142 | return False |
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| 143 | if not self.ssh_cmd(user, host, "chmod 770 %s" % dest_dir): |
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| 144 | return False |
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| 145 | |
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| 146 | for f in os.listdir(src_dir): |
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| 147 | if os.path.isdir(f): |
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| 148 | if not self.ship_configs(host, user, "%s/%s" % (src_dir, f), |
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| 149 | "%s/%s" % (dest_dir, f)): |
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| 150 | return False |
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| 151 | else: |
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| 152 | if not self.scp_file("%s/%s" % (src_dir, f), |
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| 153 | user, host, dest_dir): |
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| 154 | return False |
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| 155 | return True |
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| 156 | |
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| 157 | def start_segment(self, tb, eid, tbparams, timeout=0): |
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| 158 | host = "%s%s" % (tbparams[tb]['host'], tbparams[tb]['domain']) |
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| 159 | user = tbparams[tb]['user'] |
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| 160 | pid = tbparams[tb]['project'] |
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| 161 | # XXX |
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| 162 | # base_confs = ( "hosts", "vtopo.xml", "viz.xml") |
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| 163 | base_confs = ( "hosts", "vtopo.xml") |
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| 164 | tclfile = "%s.%s.tcl" % (eid, tb) |
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| 165 | expinfo_exec = "/usr/testbed/bin/expinfo" |
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| 166 | proj_dir = "/proj/%s/exp/%s/tmp" % (pid, eid) |
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| 167 | tarfiles_dir = "/proj/%s/tarfiles/%s" % (pid, eid) |
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| 168 | rpms_dir = "/proj/%s/rpms/%s" % (pid, eid) |
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| 169 | state_re = re.compile("State:\s+(\w+)") |
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| 170 | state = "none" |
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| 171 | |
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| 172 | status = Popen([self.ssh_exec, "%s@%s" % (user, host), |
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| 173 | expinfo_exec, pid, eid], stdout=PIPE) |
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| 174 | for line in status.stdout: |
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| 175 | m = state_re.match(line) |
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| 176 | if m: state = m.group(1) |
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| 177 | rv = status.wait() |
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| 178 | if rv != 0: |
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| 179 | raise service_error(service_error.internal, |
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| 180 | "Cannot get status of segment %s:%s/%s" % (tb, pid, eid)) |
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| 181 | # XXX |
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| 182 | print "%s: %s" % (tb, state) |
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| 183 | print "transferring experiment to %s" % tb |
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| 184 | |
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| 185 | if not self.scp_file("%s/%s/%s" % (self.tmpdir, tb, tclfile), |
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| 186 | user, host): |
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| 187 | return False |
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| 188 | # Clear and create the tarfiles and rpm directories |
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| 189 | for d in (tarfiles_dir, rpms_dir): |
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| 190 | if not self.ssh_cmd(user, host, |
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| 191 | "/bin/sh -c \"'/bin/rm -rf %s/*'\"" % d): |
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| 192 | return False |
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| 193 | if not self.ssh_cmd(user, host, "mkdir -p %s" % d, |
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| 194 | "create tarfiles"): |
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| 195 | return False |
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| 196 | |
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| 197 | if state == 'active': |
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| 198 | # Remote experiment is active. Modify it. |
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| 199 | for f in base_confs: |
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| 200 | if not self.scp_file("%s/%s" % (self.tmpdir, f), user, host, |
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| 201 | "%s/%s" % (proj_dir, f)): |
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| 202 | return False |
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| 203 | if not self.ship_scripts(host, user, proj_dir): |
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| 204 | return False |
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| 205 | if not self.ship_configs(host, user, "%s/%s" % (self.tmpdir, tb), |
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| 206 | proj_dir): |
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| 207 | return False |
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| 208 | if os.path.isdir("%s/tarfiles" % self.tmpdir): |
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| 209 | if not self.ship_configs(host, user, |
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| 210 | "%s/tarfiles" % self.tmpdir, tarfiles_dir): |
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| 211 | return False |
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| 212 | if os.path.isdir("%s/rpms" % self.tmpdir): |
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| 213 | if not self.ship_configs(host, user, |
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| 214 | "%s/rpms" % self.tmpdir, tarfiles_dir): |
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| 215 | return False |
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| 216 | print "Modifying %s on %s" % (eid, tb) |
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| 217 | if not self.ssh_cmd(user, host, |
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| 218 | "/usr/testbed/bin/modexp -r -s -w %s %s %s" % \ |
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| 219 | (pid, eid, tclfile), "modexp"): |
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| 220 | return False |
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| 221 | return True |
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| 222 | elif state == "swapped": |
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| 223 | # Remote experiment swapped out. Modify it and swap it in. |
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| 224 | for f in base_confs: |
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| 225 | if not self.scp_file("%s/%s" % (self.tmpdir, f), user, host, |
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| 226 | "%s/%s" % (proj_dir, f)): |
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| 227 | return False |
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| 228 | if not self.ship_scripts(host, user, proj_dir): |
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| 229 | return False |
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| 230 | if not self.ship_configs(host, user, "%s/%s" % (self.tmpdir, tb), |
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| 231 | proj_dir): |
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| 232 | return False |
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| 233 | if os.path.isdir("%s/tarfiles" % self.tmpdir): |
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| 234 | if not self.ship_configs(host, user, |
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| 235 | "%s/tarfiles" % self.tmpdir, tarfiles_dir): |
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| 236 | return False |
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| 237 | if os.path.isdir("%s/rpms" % self.tmpdir): |
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| 238 | if not self.ship_configs(host, user, |
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| 239 | "%s/rpms" % self.tmpdir, tarfiles_dir): |
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| 240 | return False |
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| 241 | print "Modifying %s on %s" % (eid, tb) |
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| 242 | if not self.ssh_cmd(user, host, |
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| 243 | "/usr/testbed/bin/modexp -w %s %s %s" % (pid, eid, tclfile), |
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| 244 | "modexp"): |
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| 245 | return False |
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| 246 | print "Swapping %s in on %s" % (eid, tb) |
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| 247 | if not self.ssh_cmd(user, host, |
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| 248 | "/usr/testbed/bin/swapexp -w %s %s in" % (pid, eid), |
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| 249 | "swapexp", timeout): |
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| 250 | return False |
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| 251 | return True |
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| 252 | elif state == "none": |
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| 253 | # No remote experiment. Create one. We do this in 2 steps so we |
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| 254 | # can put the configuration files and scripts into the new |
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| 255 | # experiment directories. |
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| 256 | |
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| 257 | # Tarfiles must be present for creation to work |
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| 258 | if os.path.isdir("%s/tarfiles" % self.tmpdir): |
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| 259 | if not self.ship_configs(host, user, |
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| 260 | "%s/tarfiles" % self.tmpdir, tarfiles_dir): |
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| 261 | return False |
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| 262 | if os.path.isdir("%s/rpms" % self.tmpdir): |
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| 263 | if not self.ship_configs(host, user, |
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| 264 | "%s/rpms" % self.tmpdir, tarfiles_dir): |
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| 265 | return False |
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| 266 | print "Creating %s on %s" % (eid, tb) |
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| 267 | if not self.ssh_cmd(user, host, |
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| 268 | "/usr/testbed/bin/startexp -i -f -w -p %s -e %s %s" % \ |
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| 269 | (pid, eid, tclfile), "startexp", timeout): |
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| 270 | return False |
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| 271 | # After startexp the per-experiment directories exist |
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| 272 | for f in base_confs: |
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| 273 | if not self.scp_file("%s/%s" % (self.tmpdir, f), user, host, |
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| 274 | "%s/%s" % (proj_dir, f)): |
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| 275 | return False |
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| 276 | if not self.ship_scripts(host, user, proj_dir): |
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| 277 | return False |
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| 278 | if not self.ship_configs(host, user, "%s/%s" % (self.tmpdir, tb), |
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| 279 | proj_dir): |
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| 280 | return False |
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| 281 | print "Swapping %s in on %s" % (eid, tb) |
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| 282 | if not self.ssh_cmd(user, host, |
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| 283 | "/usr/testbed/bin/swapexp -w %s %s in" % (pid, eid), |
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| 284 | "swapexp", timeout): |
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| 285 | return False |
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| 286 | return True |
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| 287 | else: |
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| 288 | # XXX |
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| 289 | print "unknown state %s" % state |
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| 290 | return False |
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| 291 | |
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| 292 | def stop_segment(self, tb, eid, tbparams): |
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| 293 | user = tbparams[tb]['user'] |
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| 294 | host = "%s%s" % (tbparams[tb]['host'], tbparams[tb]['domain']) |
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| 295 | pid = tbparams[tb]['project'] |
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| 296 | |
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| 297 | # XXX: |
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| 298 | print "Stopping %s on %s" % (eid, tb) |
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| 299 | return self.ssh_cmd(user, host, |
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| 300 | "/usr/testbed/bin/swapexp -w %d %d out" % (pid, eid)) |
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| 301 | |
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| 302 | |
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| 303 | def generate_ssh_keys(self, dest, type="rsa" ): |
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| 304 | """ |
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| 305 | Generate a set of keys for the gateways to use to talk. |
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| 306 | |
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| 307 | Keys are of type type and are stored in the required dest file. |
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| 308 | """ |
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| 309 | valid_types = ("rsa", "dsa") |
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| 310 | t = type.lower(); |
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| 311 | if t not in valid_types: raise ValueError |
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| 312 | # May raise CalledProcessError |
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| 313 | rv = call([self.ssh_keygen, '-t', t, '-N', '', '-f', dest]) |
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| 314 | if rv != 0: |
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| 315 | raise service_error(service_error.internal, |
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| 316 | "Cannot generate nonce ssh keys. %s return code %d" \ |
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| 317 | % (self.ssh_keygen, rv)) |
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| 318 | |
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| 319 | def genviz(self, topo_file, viz_file): pass |
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| 320 | |
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| 321 | def get_access(self, tb, nodes, user, tbparam): |
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| 322 | """ |
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| 323 | Get access to testbed through fedd and set the parameters for that tb |
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| 324 | """ |
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| 325 | |
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| 326 | translate_attr = { |
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| 327 | 'slavenodestartcmd': 'expstart', |
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| 328 | 'slaveconnectorstartcmd': 'gwstart', |
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| 329 | 'masternodestartcmd': 'mexpstart', |
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| 330 | 'masterconnectorstartcmd': 'mgwstart', |
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| 331 | 'connectorimage': 'gwimage', |
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| 332 | 'connectortype': 'gwtype', |
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| 333 | 'tunnelcfg': 'tun', |
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| 334 | } |
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| 335 | |
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| 336 | # XXX multi-level access |
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| 337 | uri = self.tbmap.get(tb, None) |
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| 338 | if not uri: |
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| 339 | raise service_error(serice_error.server_config, |
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| 340 | "Unknown testbed: %s" % tb) |
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| 341 | |
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| 342 | # The basic request |
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| 343 | req = {\ |
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| 344 | 'destinationTestbed' : { 'uri' : uri }, |
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| 345 | 'user': user, |
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| 346 | 'allocID' : { 'username': 'test' }, |
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| 347 | 'access' : [ { 'sshPubkey' : self.ssh_pubkey } ] |
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| 348 | } |
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| 349 | |
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| 350 | # node resources if any |
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| 351 | if nodes != None and len(nodes) > 0: |
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| 352 | rnodes = [ ] |
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| 353 | for n in nodes: |
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| 354 | rn = { } |
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| 355 | image, hw, count = n.split(":") |
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| 356 | if image: rn['image'] = [ image ] |
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| 357 | if hw: rn['hardware'] = [ hw ] |
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| 358 | if count: rn['count'] = int(count) |
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| 359 | rnodes.append(rn) |
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| 360 | req['resources']= { } |
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| 361 | req['resources']['node'] = rnodes |
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| 362 | |
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| 363 | # No retry loop here. Proxy servers must correctly authenticate |
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| 364 | # themselves without help |
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| 365 | try: |
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| 366 | ctx = fedd_ssl_context(self.cert_file, |
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| 367 | self.trusted_certs, password=self.cert_pwd) |
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| 368 | except SSL.SSLError: |
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| 369 | raise service_error(service_error.server_config, |
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| 370 | "Server certificates misconfigured") |
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| 371 | |
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| 372 | loc = feddServiceLocator(); |
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| 373 | port = loc.getfeddPortType(uri, |
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| 374 | transport=M2Crypto.httpslib.HTTPSConnection, |
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| 375 | transdict={ 'ssl_context' : ctx }) |
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| 376 | |
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| 377 | # Reconstruct the full request message |
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| 378 | msg = RequestAccessRequestMessage() |
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| 379 | msg.set_element_RequestAccessRequestBody( |
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| 380 | pack_soap(msg, "RequestAccessRequestBody", req)) |
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| 381 | try: |
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| 382 | resp = port.RequestAccess(msg) |
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| 383 | except ZSI.ParseException, e: |
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| 384 | raise service_error(service_error.req, |
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| 385 | "Bad format message (XMLRPC??): %s" % |
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| 386 | str(e)) |
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| 387 | r = unpack_soap(resp) |
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| 388 | |
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| 389 | if r.has_key('RequestAccessResponseBody'): |
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| 390 | r = r['RequestAccessResponseBody'] |
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| 391 | else: |
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| 392 | raise service_error(service_error.proxy, |
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| 393 | "Bad proxy response") |
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| 394 | |
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| 395 | |
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| 396 | e = r['emulab'] |
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| 397 | p = e['project'] |
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| 398 | tbparam[tb] = { |
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| 399 | "boss": e['boss'], |
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| 400 | "host": e['ops'], |
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| 401 | "domain": e['domain'], |
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| 402 | "fs": e['fileServer'], |
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| 403 | "eventserver": e['eventServer'], |
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| 404 | "project": unpack_id(p['name']) |
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| 405 | } |
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| 406 | |
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| 407 | for u in p['user']: |
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| 408 | tbparam[tb]['user'] = unpack_id(u['userID']) |
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| 409 | |
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| 410 | for a in e['fedAttr']: |
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| 411 | if a['attribute']: |
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| 412 | key = translate_attr.get(a['attribute'].lower(), None) |
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| 413 | if key: |
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| 414 | tbparam[tb][key]= a['value'] |
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| 415 | |
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| 416 | class current_testbed: |
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| 417 | def __init__(self, eid, tmpdir): |
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| 418 | self.begin_testbed = re.compile("^#\s+Begin\s+Testbed\s+\((\w+)\)") |
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| 419 | self.end_testbed = re.compile("^#\s+End\s+Testbed\s+\((\w+)\)") |
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| 420 | self.current_testbed = None |
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| 421 | self.testbed_file = None |
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| 422 | |
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| 423 | self.def_expstart = \ |
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| 424 | "sudo -H /bin/sh FEDDIR/fed_bootstrap >& /tmp/federate"; |
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| 425 | self.def_mexpstart = "sudo -H FEDDIR/make_hosts FEDDIR/hosts"; |
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| 426 | self.def_gwstart = \ |
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| 427 | "sudo -H FEDDIR/fed-tun.pl -f GWCONF>& /tmp/bridge.log"; |
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| 428 | self.def_mgwstart = \ |
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| 429 | "sudo -H FEDDIR/fed-tun.pl -f GWCONF >& /tmp/bridge.log"; |
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| 430 | self.def_gwimage = "FBSD61-TUNNEL2"; |
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| 431 | self.def_gwtype = "pc"; |
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| 432 | |
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| 433 | self.eid = eid |
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| 434 | self.tmpdir = tmpdir |
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| 435 | |
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| 436 | def __call__(self, line, master, allocated, tbparams): |
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| 437 | # Capture testbed topology descriptions |
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| 438 | if self.current_testbed == None: |
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| 439 | m = self.begin_testbed.match(line) |
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| 440 | if m != None: |
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| 441 | self.current_testbed = m.group(1) |
---|
| 442 | if self.current_testbed == None: |
---|
| 443 | raise service_error(service_error.req, |
---|
| 444 | "Bad request format (unnamed testbed)") |
---|
| 445 | allocated[self.current_testbed] = \ |
---|
| 446 | allocated.get(self.current_testbed,0) + 1 |
---|
| 447 | tb_dir = "%s/%s" % (self.tmpdir, self.current_testbed) |
---|
| 448 | if not os.path.exists(tb_dir): |
---|
| 449 | try: |
---|
| 450 | os.mkdir(tb_dir) |
---|
| 451 | except IOError: |
---|
| 452 | raise service_error(service_error.internal, |
---|
| 453 | "Cannot create %s" % tb_dir) |
---|
| 454 | try: |
---|
| 455 | self.testbed_file = open("%s/%s.%s.tcl" % |
---|
| 456 | (tb_dir, self.eid, self.current_testbed), 'w') |
---|
| 457 | except IOError: |
---|
| 458 | self.testbed_file = None |
---|
| 459 | return True |
---|
| 460 | else: return False |
---|
| 461 | else: |
---|
| 462 | m = self.end_testbed.match(line) |
---|
| 463 | if m != None: |
---|
| 464 | if m.group(1) != self.current_testbed: |
---|
| 465 | raise service_error(service_error.internal, |
---|
| 466 | "Mismatched testbed markers!?") |
---|
| 467 | if self.testbed_file != None: |
---|
| 468 | self.testbed_file.close() |
---|
| 469 | self.testbed_file = None |
---|
| 470 | self.current_testbed = None |
---|
| 471 | elif self.testbed_file: |
---|
| 472 | # Substitute variables and put the line into the local |
---|
| 473 | # testbed file. |
---|
| 474 | gwtype = tbparams[self.current_testbed].get('gwtype', |
---|
| 475 | self.def_gwtype) |
---|
| 476 | gwimage = tbparams[self.current_testbed].get('gwimage', |
---|
| 477 | self.def_gwimage) |
---|
| 478 | mgwstart = tbparams[self.current_testbed].get('mgwstart', |
---|
| 479 | self.def_mgwstart) |
---|
| 480 | mexpstart = tbparams[self.current_testbed].get('mexpstart', |
---|
| 481 | self.def_mexpstart) |
---|
| 482 | gwstart = tbparams[self.current_testbed].get('gwstart', |
---|
| 483 | self.def_gwstart) |
---|
| 484 | expstart = tbparams[self.current_testbed].get('expstart', |
---|
| 485 | self.def_expstart) |
---|
| 486 | project = tbparams[self.current_testbed].get('project') |
---|
| 487 | line = re.sub("GWTYPE", gwtype, line) |
---|
| 488 | line = re.sub("GWIMAGE", gwimage, line) |
---|
| 489 | if self.current_testbed == master: |
---|
| 490 | line = re.sub("GWSTART", mgwstart, line) |
---|
| 491 | line = re.sub("EXPSTART", mexpstart, line) |
---|
| 492 | else: |
---|
| 493 | line = re.sub("GWSTART", gwstart, line) |
---|
| 494 | line = re.sub("EXPSTART", expstart, line) |
---|
| 495 | # XXX: does `` embed without doing enything else? |
---|
| 496 | line = re.sub("GWCONF", "FEDDIR`hostname`.gw.conf", line) |
---|
| 497 | line = re.sub("PROJDIR", "/proj/%s/" % project, line) |
---|
| 498 | line = re.sub("EID", self.eid, line) |
---|
| 499 | line = re.sub("FEDDIR", "/proj/%s/exp/%s/tmp/" % \ |
---|
| 500 | (project, self.eid), line) |
---|
| 501 | print >>self.testbed_file, line |
---|
| 502 | return True |
---|
| 503 | |
---|
| 504 | class allbeds: |
---|
| 505 | def __init__(self, get_access): |
---|
| 506 | self.begin_allbeds = re.compile("^#\s+Begin\s+Allbeds") |
---|
| 507 | self.end_allbeds = re.compile("^#\s+End\s+Allbeds") |
---|
| 508 | self.in_allbeds = False |
---|
| 509 | self.get_access = get_access |
---|
| 510 | |
---|
| 511 | def __call__(self, line, user, tbparams): |
---|
| 512 | # Testbed access parameters |
---|
| 513 | if not self.in_allbeds: |
---|
| 514 | if self.begin_allbeds.match(line): |
---|
| 515 | self.in_allbeds = True |
---|
| 516 | return True |
---|
| 517 | else: |
---|
| 518 | return False |
---|
| 519 | else: |
---|
| 520 | if self.end_allbeds.match(line): |
---|
| 521 | self.in_allbeds = False |
---|
| 522 | else: |
---|
| 523 | nodes = line.split('|') |
---|
| 524 | tb = nodes.pop(0) |
---|
| 525 | self.get_access(tb, nodes, user, tbparams) |
---|
| 526 | return True |
---|
| 527 | |
---|
| 528 | class gateways: |
---|
| 529 | def __init__(self, eid, smbshare, master, tmpdir, gw_pubkey, |
---|
| 530 | gw_secretkey, copy_file): |
---|
| 531 | self.begin_gateways = \ |
---|
| 532 | re.compile("^#\s+Begin\s+gateways\s+\((\w+)\)") |
---|
| 533 | self.end_gateways = re.compile("^#\s+End\s+gateways\s+\((\w+)\)") |
---|
| 534 | self.current_gateways = None |
---|
| 535 | self.control_gateway = None |
---|
| 536 | self.active_end = { } |
---|
| 537 | |
---|
| 538 | self.eid = eid |
---|
| 539 | self.smbshare = smbshare |
---|
| 540 | self.master = master |
---|
| 541 | self.tmpdir = tmpdir |
---|
| 542 | self.gw_pubkey_base = gw_pubkey |
---|
| 543 | self.gw_secretkey_base = gw_secretkey |
---|
| 544 | |
---|
| 545 | self.copy_file = copy_file |
---|
| 546 | |
---|
| 547 | |
---|
| 548 | def gateway_conf_file(self, gw, master, eid, pubkey, privkey, |
---|
| 549 | active_end, tbparams, dtb, myname, desthost, type): |
---|
| 550 | """ |
---|
| 551 | Produce a gateway configuration file from a line of the gateways section |
---|
| 552 | """ |
---|
| 553 | |
---|
| 554 | sproject = tbparams[gw].get('project', 'project') |
---|
| 555 | dproject = tbparams[dtb].get('project', 'project') |
---|
| 556 | sdomain = ".%s.%s%s" % (eid, sproject, |
---|
| 557 | tbparams[gw].get('domain', ".example.com")) |
---|
| 558 | ddomain = ".%s.%s%s" % (eid, dproject, |
---|
| 559 | tbparams[dtb].get('domain', ".example.com")) |
---|
| 560 | boss = tbparams[master].get('boss', "boss") |
---|
| 561 | fs = tbparams[master].get('fs', "fs") |
---|
| 562 | event_server = "%s%s" % \ |
---|
| 563 | (tbparams[master].get('eventserver', "event_server"), |
---|
| 564 | tbparams[master].get('domain', "example.com")) |
---|
| 565 | remote_event_server = "%s%s" % \ |
---|
| 566 | (tbparams[dtb].get('eventserver', "event_server"), |
---|
| 567 | tbparams[dtb].get('domain', "example.com")) |
---|
| 568 | |
---|
| 569 | remote_script_dir = "/proj/%s/exp/%s/tmp" % ( dproject, eid) |
---|
| 570 | local_script_dir = "/proj/%s/exp/%s/tmp" % ( sproject, eid) |
---|
| 571 | tunnel_cfg = tbparams[gw].get("tun", "false") |
---|
| 572 | |
---|
| 573 | conf_file = "%s%s.gw.conf" % (myname, sdomain) |
---|
| 574 | remote_conf_file = "%s%s.gw.conf" % (desthost, ddomain) |
---|
| 575 | |
---|
| 576 | # translate to lower case so the `hostname` hack for specifying |
---|
| 577 | # configuration files works. |
---|
| 578 | conf_file = conf_file.lower(); |
---|
| 579 | remote_conf_file = remote_conf_file.lower(); |
---|
| 580 | |
---|
| 581 | if dtb == master: |
---|
| 582 | active = "false" |
---|
| 583 | elif gw == master: |
---|
| 584 | active = "true" |
---|
| 585 | elif active_end.has_key['%s-%s' % (dtb, gw)]: |
---|
| 586 | active = "false" |
---|
| 587 | else: |
---|
| 588 | active_end['%s-%s' % (gw, dtb)] = 1 |
---|
| 589 | active = "true" |
---|
| 590 | |
---|
| 591 | gwconfig = open("%s/%s/%s" % (self.tmpdir, gw, conf_file), "w") |
---|
| 592 | print >>gwconfig, "Active: %s" % active |
---|
| 593 | print >>gwconfig, "TunnelCfg: %s" % tunnel_cfg |
---|
| 594 | print >>gwconfig, "BossName: %s" % boss |
---|
| 595 | print >>gwconfig, "FsName: %s" % fs |
---|
| 596 | print >>gwconfig, "EventServerName: %s" % event_server |
---|
| 597 | print >>gwconfig, "RemoteEventServerName: %s" % remote_event_server |
---|
| 598 | print >>gwconfig, "Type: %s" % type |
---|
| 599 | print >>gwconfig, "RemoteScriptDir: %s" % remote_script_dir |
---|
| 600 | print >>gwconfig, "EventRepeater: %s/fed_evrepeater" % \ |
---|
| 601 | local_script_dir |
---|
| 602 | print >>gwconfig, "RemoteExperiment: %s/%s" % (dproject, eid) |
---|
| 603 | print >>gwconfig, "LocalExperiment: %s/%s" % (sproject, eid) |
---|
| 604 | print >>gwconfig, "RemoteConfigFile: %s/%s" % \ |
---|
| 605 | (remote_script_dir, remote_conf_file) |
---|
| 606 | print >>gwconfig, "Peer: %s%s" % (desthost, ddomain) |
---|
| 607 | print >>gwconfig, "Pubkeys: %s/%s" % (local_script_dir, pubkey) |
---|
| 608 | print >>gwconfig, "Privkeys: %s/%s" % (local_script_dir, privkey) |
---|
| 609 | gwconfig.close() |
---|
| 610 | |
---|
| 611 | return active == "true" |
---|
| 612 | |
---|
| 613 | def __call__(self, line, allocated, tbparams): |
---|
| 614 | # Process gateways |
---|
| 615 | if not self.current_gateways: |
---|
| 616 | m = self.begin_gateways.match(line) |
---|
| 617 | if m: |
---|
| 618 | self.current_gateways = m.group(1) |
---|
| 619 | if allocated.has_key(self.current_gateways): |
---|
| 620 | # This test should always succeed |
---|
| 621 | tb_dir = "%s/%s" % (self.tmpdir, self.current_gateways) |
---|
| 622 | if not os.path.exists(tb_dir): |
---|
| 623 | try: |
---|
| 624 | os.mkdir(tb_dir) |
---|
| 625 | except IOError: |
---|
| 626 | raise service_error(service_error.internal, |
---|
| 627 | "Cannot create %s" % tb_dir) |
---|
| 628 | else: |
---|
| 629 | # XXX |
---|
| 630 | print >>sys.stderr, \ |
---|
| 631 | "Ignoring gateways for unknown testbed %s" \ |
---|
| 632 | % self.current_gateways |
---|
| 633 | self.current_gateways = None |
---|
| 634 | return True |
---|
| 635 | else: |
---|
| 636 | return False |
---|
| 637 | else: |
---|
| 638 | m = self.end_gateways.match(line) |
---|
| 639 | if m : |
---|
| 640 | if m.group(1) != self.current_gateways: |
---|
| 641 | raise service_error(service_error.internal, |
---|
| 642 | "Mismatched gateway markers!?") |
---|
| 643 | if self.control_gateway: |
---|
| 644 | try: |
---|
| 645 | cc = open("%s/%s/client.conf" % |
---|
| 646 | (self.tmpdir, self.current_gateways), 'w') |
---|
| 647 | print >>cc, "ControlGateway: %s" % \ |
---|
| 648 | self.control_gateway |
---|
| 649 | print >>cc, "SMBSHare: %s" % self.smbshare |
---|
| 650 | print >>cc, "ProjectUser: %s" % \ |
---|
| 651 | tbparams[self.current_gateways]['user'] |
---|
| 652 | print >>cc, "ProjectName: %s" % \ |
---|
| 653 | tbparams[self.master]['project'] |
---|
| 654 | cc.close() |
---|
| 655 | except IOError: |
---|
| 656 | raise service_error(service_error.internal, |
---|
| 657 | "Error creating client config") |
---|
| 658 | else: |
---|
| 659 | # XXX |
---|
| 660 | print >>sys.stderr, "No control gateway for %s" %\ |
---|
| 661 | self.current_gateways |
---|
| 662 | self.current_gateways = None |
---|
| 663 | else: |
---|
| 664 | dtb, myname, desthost, type = line.split(" ") |
---|
| 665 | |
---|
| 666 | if type == "control" or type == "both": |
---|
| 667 | self.control_gateway = "%s.%s.%s%s" % (myname, |
---|
| 668 | self.eid, |
---|
| 669 | tbparams[self.current_gateways]['project'], |
---|
| 670 | tbparams[self.current_gateways]['domain']) |
---|
| 671 | try: |
---|
| 672 | active = self.gateway_conf_file(self.current_gateways, |
---|
| 673 | self.master, self.eid, self.gw_pubkey_base, |
---|
| 674 | self.gw_secretkey_base, |
---|
| 675 | self.active_end, tbparams, dtb, myname, |
---|
| 676 | desthost, type) |
---|
| 677 | except IOError, e: |
---|
| 678 | raise service_error(service_error.internal, |
---|
| 679 | "Failed to write config file for %s" % \ |
---|
| 680 | self.current_gateway) |
---|
| 681 | |
---|
| 682 | gw_pubkey = "%s/keys/%s" % \ |
---|
| 683 | (self.tmpdir, self.gw_pubkey_base) |
---|
| 684 | gw_secretkey = "%s/keys/%s" % \ |
---|
| 685 | (self.tmpdir, self.gw_secretkey_base) |
---|
| 686 | |
---|
| 687 | pkfile = "%s/%s/%s" % \ |
---|
| 688 | ( self.tmpdir, self.current_gateways, |
---|
| 689 | self.gw_pubkey_base) |
---|
| 690 | skfile = "%s/%s/%s" % \ |
---|
| 691 | ( self.tmpdir, self.current_gateways, |
---|
| 692 | self.gw_secretkey_base) |
---|
| 693 | |
---|
| 694 | if not os.path.exists(pkfile): |
---|
| 695 | try: |
---|
| 696 | self.copy_file(gw_pubkey, pkfile) |
---|
| 697 | except IOError: |
---|
| 698 | service_error(service_error.internal, |
---|
| 699 | "Failed to copy pubkey file") |
---|
| 700 | |
---|
| 701 | if active and not os.path.exists(skfile): |
---|
| 702 | try: |
---|
| 703 | self.copy_file(gw_secretkey, skfile) |
---|
| 704 | except IOError: |
---|
| 705 | service_error(service_error.internal, |
---|
| 706 | "Failed to copy secretkey file") |
---|
| 707 | return True |
---|
| 708 | |
---|
| 709 | class shunt_to_file: |
---|
| 710 | def __init__(self, begin, end, filename): |
---|
| 711 | self.begin = re.compile(begin) |
---|
| 712 | self.end = re.compile(end) |
---|
| 713 | self.in_shunt = False |
---|
| 714 | self.file = None |
---|
| 715 | self.filename = filename |
---|
| 716 | |
---|
| 717 | def __call__(self, line): |
---|
| 718 | if not self.in_shunt: |
---|
| 719 | if self.begin.match(line): |
---|
| 720 | self.in_shunt = True |
---|
| 721 | try: |
---|
| 722 | self.file = open(self.filename, "w") |
---|
| 723 | except: |
---|
| 724 | self.file = None |
---|
| 725 | raise |
---|
| 726 | return True |
---|
| 727 | else: |
---|
| 728 | return False |
---|
| 729 | else: |
---|
| 730 | if self.end.match(line): |
---|
| 731 | if self.file: |
---|
| 732 | self.file.close() |
---|
| 733 | self.file = None |
---|
| 734 | self.in_shunt = False |
---|
| 735 | else: |
---|
| 736 | if self.file: |
---|
| 737 | print >>self.file, line |
---|
| 738 | return True |
---|
| 739 | |
---|
| 740 | class shunt_to_list: |
---|
| 741 | def __init__(self, begin, end): |
---|
| 742 | self.begin = re.compile(begin) |
---|
| 743 | self.end = re.compile(end) |
---|
| 744 | self.in_shunt = False |
---|
| 745 | self.list = [ ] |
---|
| 746 | |
---|
| 747 | def __call__(self, line): |
---|
| 748 | if not self.in_shunt: |
---|
| 749 | if self.begin.match(line): |
---|
| 750 | self.in_shunt = True |
---|
| 751 | return True |
---|
| 752 | else: |
---|
| 753 | return False |
---|
| 754 | else: |
---|
| 755 | if self.end.match(line): |
---|
| 756 | self.in_shunt = False |
---|
| 757 | else: |
---|
| 758 | self.list.append(line) |
---|
| 759 | return True |
---|
| 760 | |
---|
| 761 | def create_experiment(self, req, fid): |
---|
| 762 | gw_pubkey_base = "fed.%s.pub" % self.ssh_type |
---|
| 763 | gw_secretkey_base = "fed.%s" % self.ssh_type |
---|
| 764 | gw_pubkey = self.tmpdir + "/keys/" + gw_pubkey_base |
---|
| 765 | gw_secretkey = self.tmpdir + "/keys/" + gw_secretkey_base |
---|
| 766 | tclfile = self.tmpdir + "/experiment.tcl" |
---|
| 767 | tbparams = { } |
---|
| 768 | |
---|
| 769 | pid = "dummy" |
---|
| 770 | gid = "dummy" |
---|
| 771 | # XXX |
---|
| 772 | eid = "faber-splitter" |
---|
| 773 | # XXX |
---|
| 774 | master = "deter" |
---|
| 775 | # XXX |
---|
| 776 | smbshare="USERS" |
---|
| 777 | # XXX |
---|
| 778 | fail_soft = False |
---|
| 779 | # XXX |
---|
| 780 | startem = True |
---|
| 781 | |
---|
| 782 | try: |
---|
| 783 | os.mkdir(self.tmpdir) |
---|
| 784 | os.mkdir(self.tmpdir+"/keys") |
---|
| 785 | except OSError: |
---|
| 786 | raise service_error(service_error.internal, |
---|
| 787 | "Can't make temporary dir") |
---|
| 788 | |
---|
| 789 | # The tcl parser needs to read a file so put the content into that file |
---|
| 790 | file_content=req.get('experimentdescription', None) |
---|
| 791 | if file_content != None: |
---|
| 792 | try: |
---|
| 793 | f = open(tclfile, 'w') |
---|
| 794 | f.write(file_content) |
---|
| 795 | f.close() |
---|
| 796 | except IOError: |
---|
| 797 | raise service_error(service_error.internal, |
---|
| 798 | "Cannot write temp experiment description") |
---|
| 799 | else: |
---|
| 800 | raise service_error(service_error.req, "No experiment description") |
---|
| 801 | |
---|
| 802 | try: |
---|
| 803 | self.generate_ssh_keys(gw_secretkey, self.ssh_type) |
---|
| 804 | except ValueError: |
---|
| 805 | raise service_error(service_error.server_config, |
---|
| 806 | "Bad key type (%s)" % self.ssh_type) |
---|
| 807 | |
---|
| 808 | user = req.get('user', None) |
---|
| 809 | if user == None: |
---|
| 810 | raise service_error(service_error.req, "No user") |
---|
| 811 | |
---|
| 812 | |
---|
| 813 | tclcmd = [self.tclsh, self.tcl_splitter, '-s', '-x', |
---|
| 814 | str(self.muxmax), '-m', master, pid, gid, eid, tclfile] |
---|
| 815 | tclparser = Popen(tclcmd, stdout=PIPE) |
---|
| 816 | |
---|
| 817 | allocated = { } |
---|
| 818 | started = { } |
---|
| 819 | |
---|
| 820 | parse_current_testbed = self.current_testbed(eid, self.tmpdir) |
---|
| 821 | parse_allbeds = self.allbeds(self.get_access) |
---|
| 822 | parse_gateways = self.gateways(eid, smbshare, master, self.tmpdir, |
---|
| 823 | gw_pubkey_base, gw_secretkey_base, self.copy_file) |
---|
| 824 | parse_vtopo = self.shunt_to_file("^#\s+Begin\s+Vtopo", |
---|
| 825 | "^#\s+End\s+Vtopo", self.tmpdir + "/vtopo.xml") |
---|
| 826 | parse_hostnames = self.shunt_to_file("^#\s+Begin\s+hostnames", |
---|
| 827 | "^#\s+End\s+hostnames", self.tmpdir + "/hosts") |
---|
| 828 | parse_tarfiles = self.shunt_to_list("^#\s+Begin\s+tarfiles", |
---|
| 829 | "^#\s+End\s+tarfiles") |
---|
| 830 | parse_rpms = self.shunt_to_list("^#\s+Begin\s+rpms", |
---|
| 831 | "^#\s+End\s+rpms") |
---|
| 832 | |
---|
| 833 | for line in tclparser.stdout: |
---|
| 834 | line = line.rstrip() |
---|
| 835 | if parse_current_testbed(line, master, allocated, tbparams): |
---|
| 836 | continue |
---|
| 837 | elif parse_allbeds(line, user, tbparams): |
---|
| 838 | continue |
---|
| 839 | elif parse_gateways(line, allocated, tbparams): |
---|
| 840 | continue |
---|
| 841 | elif parse_vtopo(line): |
---|
| 842 | continue |
---|
| 843 | elif parse_hostnames(line): |
---|
| 844 | continue |
---|
| 845 | elif parse_tarfiles(line): |
---|
| 846 | continue |
---|
| 847 | elif parse_rpms(line): |
---|
| 848 | continue |
---|
| 849 | else: |
---|
| 850 | raise service_error(service_error.internal, |
---|
| 851 | "Bad tcl parse? %s" % line) |
---|
| 852 | |
---|
| 853 | if not startem: return True |
---|
| 854 | |
---|
| 855 | # Copy tarfiles and rpms needed at remote sites into a staging area |
---|
| 856 | try: |
---|
| 857 | for t in parse_tarfiles.list: |
---|
| 858 | if not os.path.exists("%s/tarfiles" % self.tmpdir): |
---|
| 859 | os.mkdir("%s/tarfiles" % self.tmpdir) |
---|
| 860 | self.copy_file(t, "%s/tarfiles/%s" % \ |
---|
| 861 | (self.tmpdir, os.path.basename(t))) |
---|
| 862 | for r in parse_rpms.list: |
---|
| 863 | if not os.path.exists("%s/rpms" % self.tmpdir): |
---|
| 864 | os.mkdir("%s/rpms" % self.tmpdir) |
---|
| 865 | self.copy_file(r, "%s/rpms/%s" % \ |
---|
| 866 | (self.tmpdir, os.path.basename(r))) |
---|
| 867 | except IOError, e: |
---|
| 868 | raise service_error(service_error.internal, |
---|
| 869 | "Cannot stage tarfile/rpm: %s" % e.strerror) |
---|
| 870 | |
---|
| 871 | # XXX: more parallelism |
---|
| 872 | for tb in allocated.iterkeys(): |
---|
| 873 | if tb != master: |
---|
| 874 | if self.start_segment(tb, eid, tbparams, 0): |
---|
| 875 | started[tb] = True |
---|
| 876 | else: |
---|
| 877 | break |
---|
| 878 | |
---|
| 879 | if len(started) == len(allocated)-1: |
---|
| 880 | if self.start_segment(master, eid, tbparams): |
---|
| 881 | started[master] = True |
---|
| 882 | |
---|
| 883 | if not fail_soft and len(allocated) != len(started): |
---|
| 884 | for tb in started.iterkeys(): |
---|
| 885 | self.stop_segment(tb, eid, tbparams) |
---|
| 886 | else: |
---|
| 887 | print "Experiment started" |
---|
| 888 | |
---|
| 889 | # XXX: return value |
---|
| 890 | |
---|
| 891 | if __name__ == '__main__': |
---|
| 892 | from optparse import OptionParser |
---|
| 893 | |
---|
| 894 | parser = OptionParser() |
---|
| 895 | parser.add_option('-f', '--file', dest='tcl', help='tcl file to parse') |
---|
| 896 | opts, args = parser.parse_args() |
---|
| 897 | |
---|
| 898 | if opts.tcl != None: |
---|
| 899 | try: |
---|
| 900 | f = open(opts.tcl, 'r') |
---|
| 901 | content = ''.join(f) |
---|
| 902 | f.close() |
---|
| 903 | except IOError, e: |
---|
| 904 | sys.exit("Can't read %s: %s" % (opts.tcl, e)) |
---|
| 905 | else: |
---|
| 906 | sys.exit("Must specify a file name") |
---|
| 907 | |
---|
| 908 | obj = fedd_create_experiment_local( |
---|
| 909 | scripts_dir="/users/faber/testbed/federation", |
---|
| 910 | cert_file="./fedd_client.pem", cert_pwd="faber", |
---|
| 911 | ssh_pubkey_file='/users/faber/.ssh/id_rsa.pub', |
---|
| 912 | trusted_certs="./cacert.pem", |
---|
| 913 | tbmap = { |
---|
| 914 | 'deter':'https://users.isi.deterlab.net:23235', |
---|
| 915 | 'emulab':'https://users.isi.deterlab.net:23236', |
---|
| 916 | 'ucb':'https://users.isi.deterlab.net:23237', |
---|
| 917 | }, |
---|
| 918 | ) |
---|
| 919 | obj.create_experiment( {\ |
---|
| 920 | 'experimentdescription' : content, |
---|
| 921 | 'user': [ {'userID' : { 'username' : 'faber' } } ], |
---|
| 922 | }, |
---|
| 923 | None) |
---|