[4700b3b] | 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 | import pickle |
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| 19 | |
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| 20 | import traceback |
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| 21 | |
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| 22 | from threading import * |
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| 23 | |
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| 24 | from subprocess import * |
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| 25 | |
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| 26 | from fedd_services import * |
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| 27 | from fedd_internal_services import * |
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| 28 | from fedd_util import * |
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[51cc9df] | 29 | from fedid import fedid |
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[9460b1e] | 30 | from remote_service import xmlrpc_handler, soap_handler |
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[4700b3b] | 31 | import parse_detail |
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| 32 | from service_error import * |
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| 33 | |
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| 34 | import logging |
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| 35 | |
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| 36 | class nullHandler(logging.Handler): |
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| 37 | def emit(self, record): pass |
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| 38 | |
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[2c6128f] | 39 | fl = logging.getLogger("fedd.splitter") |
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[4700b3b] | 40 | fl.addHandler(nullHandler()) |
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| 41 | |
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| 42 | class fedd_split_local: |
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| 43 | def __init__(self, config=None): |
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| 44 | """ |
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| 45 | Intialize the various attributes, most from the config object |
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| 46 | """ |
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[f4f4117] | 47 | if config.has_section("splitter"): |
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| 48 | self.debug = config.getboolean("splitter", "debug") |
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| 49 | self.muxmax = config.getint("splitter", "muxmax", 3) |
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[2c6128f] | 50 | self.tclsh = config.get("splitter", "tclsh", |
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| 51 | "/usr/local/bin/otclsh") |
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| 52 | self.tcl_splitter = config.get("splitter", "tcl_splitter", |
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| 53 | "/usr/testbed/lib/ns2ir/parse.tcl") |
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[f4f4117] | 54 | else: |
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| 55 | self.debug = False |
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| 56 | self.muxmax = 3 |
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[2c6128f] | 57 | self.tclsh = "/usr/local/bin/otclsh" |
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| 58 | self.tcl_splitter = "/usr/testbed/lib/ns2ir/parse.tcl" |
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[f4f4117] | 59 | |
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[4700b3b] | 60 | self.log = logging.getLogger("fedd.splitter") |
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| 61 | self.trace_file = sys.stderr |
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| 62 | |
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[2c6128f] | 63 | set_log_level(config, "splitter", self.log) |
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[4700b3b] | 64 | # Dispatch tables |
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| 65 | self.soap_services = {\ |
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[058f58e] | 66 | 'Ns2Split': soap_handler(\ |
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[4700b3b] | 67 | Ns2SplitRequestMessage.typecode, |
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| 68 | getattr(self, "run_splitter"), |
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| 69 | Ns2SplitResponseMessage, |
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| 70 | "Ns2SplitResponseBody"), |
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| 71 | } |
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| 72 | |
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| 73 | self.xmlrpc_services = {\ |
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[058f58e] | 74 | 'Ns2Split': xmlrpc_handler(\ |
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[4700b3b] | 75 | getattr(self, "run_splitter"), |
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| 76 | "Ns2SplitResponseBody"), |
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| 77 | } |
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| 78 | |
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| 79 | def run_splitter(self, req, fid): |
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| 80 | """ |
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| 81 | The external interface to experiment creation called from the |
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| 82 | dispatcher. |
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| 83 | |
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| 84 | Creates a working directory, splits the incoming description using the |
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| 85 | splitter script and parses out the avrious subsections using the |
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| 86 | lcasses above. Once each sub-experiment is created, use pooled threads |
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| 87 | to instantiate them and start it all up. |
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| 88 | """ |
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| 89 | try: |
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| 90 | tmpdir = tempfile.mkdtemp(prefix="split-") |
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| 91 | except IOError: |
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| 92 | raise service_error(service_error.internal, "Cannot create tmp dir") |
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| 93 | |
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| 94 | tclfile = tmpdir + "/experiment.tcl" |
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| 95 | pid = "dummy" |
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| 96 | gid = "dummy" |
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[f4f4117] | 97 | eid = "dummy" |
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[4700b3b] | 98 | |
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| 99 | req = req.get('Ns2SplitRequestBody', None) |
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| 100 | if not req: |
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| 101 | raise service_error(service_error.req, |
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| 102 | "Bad request format (no Ns2SplitRequestBody)") |
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| 103 | # The tcl parser needs to read a file so put the content into that file |
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[f4f4117] | 104 | descr=req.get('description', None) |
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[4700b3b] | 105 | if descr: |
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| 106 | file_content=descr.get('ns2description', None) |
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| 107 | if file_content: |
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| 108 | try: |
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| 109 | f = open(tclfile, 'w') |
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| 110 | f.write(file_content) |
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| 111 | f.close() |
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| 112 | except IOError: |
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| 113 | raise service_error(service_error.internal, |
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| 114 | "Cannot write temp experiment description") |
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| 115 | else: |
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| 116 | raise service_error(service_error.req, |
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| 117 | "Only ns2descriptions supported") |
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| 118 | else: |
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[f4f4117] | 119 | raise service_error(service_error.req, "No description") |
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[4700b3b] | 120 | |
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| 121 | master = req.get('master', None) |
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| 122 | if master == None: |
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| 123 | raise service_error(service_error.req, "No master testbed label") |
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| 124 | |
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[2c6128f] | 125 | include_fedkit = req.get('include_fedkit', None) |
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| 126 | if include_fedkit == None: |
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| 127 | raise service_error(service_error.req, |
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| 128 | "No federation kit inclusion directive") |
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| 129 | |
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[4700b3b] | 130 | |
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| 131 | tclcmd = [self.tclsh, self.tcl_splitter, '-s', '-x', |
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[2c6128f] | 132 | str(self.muxmax), '-m', master] |
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| 133 | if include_fedkit: tclcmd.append('-k') |
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| 134 | tclcmd.extend([pid, gid, eid, tclfile]) |
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| 135 | self.log.debug("Calling splitter %s" % " ".join(tclcmd)) |
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[4700b3b] | 136 | tclparser = Popen(tclcmd, stdout=PIPE) |
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| 137 | |
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[f4f4117] | 138 | out = "" |
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[4700b3b] | 139 | # Package up the split data |
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| 140 | for line in tclparser.stdout: |
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| 141 | out += line |
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| 142 | |
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| 143 | # Walk up tmpdir, deleting as we go |
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| 144 | for path, dirs, files in os.walk(tmpdir, topdown=False): |
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| 145 | for f in files: |
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| 146 | os.remove(os.path.join(path, f)) |
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| 147 | for d in dirs: |
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| 148 | os.rmdir(os.path.join(path, d)) |
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| 149 | os.rmdir(tmpdir) |
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| 150 | |
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| 151 | resp = { 'output' : out } |
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| 152 | |
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| 153 | return resp |
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| 154 | |
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| 155 | |
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