diff options
author | Rob Austein <sra@hactrn.net> | 2010-01-22 21:55:09 +0000 |
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committer | Rob Austein <sra@hactrn.net> | 2010-01-22 21:55:09 +0000 |
commit | 6c7445cce4c8a05c3e762fd1d537c54d6ea1fc8c (patch) | |
tree | 42c28e2d42fe56e7b069230949246dd29f06944c /myrpki.rototill/yamltest.py | |
parent | 502df88d20c6e0abd56235d4e16de14cca70dd1a (diff) |
Branch myrpki code before starting rototill based on feedback from
Tokyo workshop.
svn path=/myrpki.rototill; revision=2958
Diffstat (limited to 'myrpki.rototill/yamltest.py')
-rw-r--r-- | myrpki.rototill/yamltest.py | 700 |
1 files changed, 700 insertions, 0 deletions
diff --git a/myrpki.rototill/yamltest.py b/myrpki.rototill/yamltest.py new file mode 100644 index 00000000..6c4f83da --- /dev/null +++ b/myrpki.rototill/yamltest.py @@ -0,0 +1,700 @@ +""" +Test framework, using the same YAML test description format as +testbed.py, but using the myrpki.py and myirbe.py tools to do all the +back-end work. Reads YAML file, generates .csv and .conf files, runs +daemons and waits for one of them to exit. + +Much of the YAML handling code lifted from testbed.py. + +Still to do: + +- Implement testebd.py-style delta actions, that is, modify the + allocation database under control of the YAML file, dump out new + .csv files, and run myrpki.py and myirbe.py again to feed resulting + changes into running daemons. + +$Id$ + +Copyright (C) 2009 Internet Systems Consortium ("ISC") + +Permission to use, copy, modify, and distribute this software for any +purpose with or without fee is hereby granted, provided that the above +copyright notice and this permission notice appear in all copies. + +THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH +REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY +AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, +INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM +LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE +OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR +PERFORMANCE OF THIS SOFTWARE. + +Portions copyright (C) 2007--2008 American Registry for Internet Numbers ("ARIN") + +Permission to use, copy, modify, and distribute this software for any +purpose with or without fee is hereby granted, provided that the above +copyright notice and this permission notice appear in all copies. + +THE SOFTWARE IS PROVIDED "AS IS" AND ARIN DISCLAIMS ALL WARRANTIES WITH +REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY +AND FITNESS. IN NO EVENT SHALL ARIN BE LIABLE FOR ANY SPECIAL, DIRECT, +INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM +LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE +OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR +PERFORMANCE OF THIS SOFTWARE. + +""" + +import subprocess, csv, re, os, getopt, sys, base64, yaml, signal, errno, time +import rpki.resource_set, rpki.sundial, rpki.config, rpki.log, myrpki + +# Nasty regular expressions for parsing config files. Sadly, while +# the Python ConfigParser supports writing config files, it does so in +# such a limited way that it's easier just to hack this ourselves. + +section_regexp = re.compile("\s*\[\s*(.+?)\s*\]\s*$") +variable_regexp = re.compile("\s*([-a-zA-Z0-9_]+)\s*=\s*(.+?)\s*$") + +def cleanpath(*names): + """ + Construct normalized pathnames. + """ + return os.path.normpath(os.path.join(*names)) + +# Pathnames for various things we need + +this_dir = os.getcwd() +test_dir = cleanpath(this_dir, "test") +rpkid_dir = cleanpath(this_dir, "../rpkid") + +prog_myirbe = cleanpath(this_dir, "myirbe.py") +prog_myrpki = cleanpath(this_dir, "myrpki.py") +prog_rpkid = cleanpath(rpkid_dir, "rpkid.py") +prog_irdbd = cleanpath(rpkid_dir, "irdbd.py") +prog_pubd = cleanpath(rpkid_dir, "pubd.py") +prog_rootd = cleanpath(rpkid_dir, "rootd.py") + +prog_openssl = cleanpath(this_dir, "../openssl/openssl/apps/openssl") + +class roa_request(object): + """ + Representation of a ROA request. + """ + + def __init__(self, asn, ipv4, ipv6): + self.asn = asn + self.v4 = rpki.resource_set.roa_prefix_set_ipv4("".join(ipv4.split())) if ipv4 else None + self.v6 = rpki.resource_set.roa_prefix_set_ipv6("".join(ipv6.split())) if ipv6 else None + + def __eq__(self, other): + return self.asn == other.asn and self.v4 == other.v4 and self.v6 == other.v6 + + def __hash__(self): + v4 = tuple(self.v4) if self.v4 is not None else None + v6 = tuple(self.v6) if self.v6 is not None else None + return self.asn.__hash__() + v4.__hash__() + v6.__hash__() + + def __str__(self): + if self.v4 and self.v6: + return "%s: %s,%s" % (self.asn, self.v4, self.v6) + else: + return "%s: %s" % (self.asn, self.v4 or self.v6) + + @classmethod + def parse(cls, yaml): + """ + Parse a ROA request from YAML format. + """ + return cls(yaml.get("asn"), yaml.get("ipv4"), yaml.get("ipv6")) + +class allocation_db(list): + """ + Our allocation database. + """ + + def __init__(self, yaml): + list.__init__(self) + self.root = allocation(yaml, self) + assert self.root.is_root() + if self.root.crl_interval is None: + self.root.crl_interval = 24 * 60 * 60 + if self.root.regen_margin is None: + self.root.regen_margin = 24 * 60 * 60 + for a in self: + if a.sia_base is None: + if a.runs_pubd(): + base = "rsync://localhost:%d/" % a.rsync_port + else: + base = a.parent.sia_base + a.sia_base = base + a.name + "/" + if a.base.valid_until is None: + a.base.valid_until = a.parent.base.valid_until + if a.crl_interval is None: + a.crl_interval = a.parent.crl_interval + if a.regen_margin is None: + a.regen_margin = a.parent.regen_margin + i = 0 + for j in xrange(3): + i = a.sia_base.index("/", i) + 1 + a.client_handle = a.sia_base[i:].rstrip("/") + self.root.closure() + self.map = dict((a.name, a) for a in self) + for a in self: + if a.is_hosted(): + a.hosted_by = self.map[a.hosted_by] + a.hosted_by.hosts.append(a) + assert not a.is_root() and not a.hosted_by.is_hosted() + + def dump(self): + """ + Show contents of allocation database. + """ + for a in self: + a.dump() + + def make_rootd_openssl(self): + """ + Factory for a function to run the OpenSSL comand line tool on the + root node of our allocation database. Could easily be generalized + if there were a need, but as it happens we only ever need to do + this for the root node. + """ + env = { "PATH" : os.environ["PATH"], + "BPKI_DIRECTORY" : self.root.path("bpki.myirbe"), + "OPENSSL_CONF" : "/dev/null", + "RANDFILE" : ".OpenSSL.whines.unless.I.set.this" } + cwd = self.root.path() + return lambda *args: subprocess.check_call((prog_openssl,) + args, cwd = cwd, env = env) + +class allocation(object): + """ + One entity in our allocation database. Every entity in the database + is assumed to hold resources, so needs at least myrpki services. + Entities that don't have the hosted_by property run their own copies + of rpkid, irdbd, and pubd, so they also need myirbe services. + """ + + parent = None + crl_interval = None + regen_margin = None + + base_port = 4400 + + @classmethod + def allocate_port(cls): + """ + Allocate a TCP port. + """ + cls.base_port += 1 + return cls.base_port + + base_engine = -1 + + @classmethod + def allocate_engine(cls): + """ + Allocate an engine number, mostly used to construct MySQL database + names. + """ + cls.base_engine += 1 + return cls.base_engine + + def __init__(self, yaml, db, parent = None): + db.append(self) + self.name = yaml["name"] + self.parent = parent + self.kids = [allocation(k, db, self) for k in yaml.get("kids", ())] + valid_until = None + if "valid_until" in yaml: + valid_until = rpki.sundial.datetime.fromdatetime(yaml.get("valid_until")) + if valid_until is None and "valid_for" in yaml: + valid_until = rpki.sundial.now() + rpki.sundial.timedelta.parse(yaml["valid_for"]) + self.base = rpki.resource_set.resource_bag( + asn = rpki.resource_set.resource_set_as(yaml.get("asn")), + v4 = rpki.resource_set.resource_set_ipv4(yaml.get("ipv4")), + v6 = rpki.resource_set.resource_set_ipv6(yaml.get("ipv6")), + valid_until = valid_until) + self.sia_base = yaml.get("sia_base") + if "crl_interval" in yaml: + self.crl_interval = rpki.sundial.timedelta.parse(yaml["crl_interval"]).convert_to_seconds() + if "regen_margin" in yaml: + self.regen_margin = rpki.sundial.timedelta.parse(yaml["regen_margin"]).convert_to_seconds() + self.roa_requests = [roa_request.parse(y) for y in yaml.get("roa_request", yaml.get("route_origin", ()))] + for r in self.roa_requests: + if r.v4: + self.base.v4 = self.base.v4.union(r.v4.to_resource_set()) + if r.v6: + self.base.v6 = self.base.v6.union(r.v6.to_resource_set()) + self.hosted_by = yaml.get("hosted_by") + self.hosts = [] + if not self.is_hosted(): + self.engine = self.allocate_engine() + self.rpkid_port = self.allocate_port() + self.irdbd_port = self.allocate_port() + if self.runs_pubd(): + self.pubd_port = self.allocate_port() + self.rsync_port = self.allocate_port() + if self.is_root(): + self.rootd_port = self.allocate_port() + + def closure(self): + """ + Compute resource closure of this node and its children, to avoid a + lot of tedious (and error-prone) duplication in the YAML file. + """ + resources = self.base + for kid in self.kids: + resources = resources.union(kid.closure()) + self.resources = resources + return resources + + def dump(self): + """ + Show content of this allocation node. + """ + print str(self) + + def __str__(self): + s = self.name + ":\n" + if self.resources.asn: s += " ASNs: %s\n" % self.resources.asn + if self.resources.v4: s += " IPv4: %s\n" % self.resources.v4 + if self.resources.v6: s += " IPv6: %s\n" % self.resources.v6 + if self.kids: s += " Kids: %s\n" % ", ".join(k.name for k in self.kids) + if self.parent: s += " Up: %s\n" % self.parent.name + if self.sia_base: s += " SIA: %s\n" % self.sia_base + if self.is_hosted(): s += " Host: %s\n" % self.hosted_by.name + if self.hosts: s += " Hosts: %s\n" % ", ".join(h.name for h in self.hosts) + for r in self.roa_requests: s += " ROA: %s\n" % r + if not self.is_hosted(): s += " IPort: %s\n" % self.irdbd_port + if self.runs_pubd(): s += " PPort: %s\n" % self.pubd_port + if not self.is_hosted(): s += " RPort: %s\n" % self.rpkid_port + if self.runs_pubd(): s += " SPort: %s\n" % self.rsync_port + if self.is_root(): s += " TPort: %s\n" % self.rootd_port + return s + " Until: %s\n" % self.resources.valid_until + + def is_root(self): + """ + Is this the root node? + """ + return self.parent is None + + def is_hosted(self): + """ + Is this entity hosted? + """ + return self.hosted_by is not None + + def runs_pubd(self): + """ + Does this entity run a pubd? + """ + return self.is_root() or not (self.is_hosted() or only_one_pubd) + + def path(self, *names): + """ + Construct pathnames in this entity's test directory. + """ + return cleanpath(test_dir, self.name, *names) + + def csvout(self, fn): + """ + Open and log a CSV output file. We use delimiter and dialect + settings imported from the myrpki module, so that we automatically + write CSV files in the right format. + """ + path = self.path(fn) + print "Writing", path + return csv.writer(open(path, "w"), dialect = myrpki.csv_dialect) + + def up_down_url(self): + """ + Construct service URL for this node's parent. + """ + parent_port = self.parent.hosted_by.rpkid_port if self.parent.is_hosted() else self.parent.rpkid_port + return "https://localhost:%d/up-down/%s/%s" % (parent_port, self.parent.name, self.name) + + def dump_asns(self, fn): + """ + Write Autonomous System Numbers CSV file. + """ + f = self.csvout(fn) + for k in self.kids: + f.writerows((k.name, a) for a in k.resources.asn) + + def dump_children(self, fn): + """ + Write children CSV file. + """ + self.csvout(fn).writerows((k.name, k.resources.valid_until, k.path("bpki.myrpki/ca.cer")) + for k in self.kids) + + def dump_parents(self, fn): + """ + Write parents CSV file. + """ + if self.is_root(): + self.csvout(fn).writerow(("rootd", + "https://localhost:%d/" % self.rootd_port, + self.path("bpki.myirbe/ca.cer"), + self.path("bpki.myirbe/ca.cer"), + self.name, + self.sia_base)) + else: + parent_host = self.parent.hosted_by if self.parent.is_hosted() else self.parent + self.csvout(fn).writerow((self.parent.name, + self.up_down_url(), + self.parent.path("bpki.myrpki/ca.cer"), + parent_host.path("bpki.myirbe/ca.cer"), + self.name, + self.sia_base)) + + def dump_prefixes(self, fn): + """ + Write prefixes CSV file. + """ + f = self.csvout(fn) + for k in self.kids: + f.writerows((k.name, p) for p in (k.resources.v4 + k.resources.v6)) + + def dump_roas(self, fn): + """ + Write ROA CSV file. + """ + group = self.name if self.is_root() else self.parent.name + f = self.csvout(fn) + for r in self.roa_requests: + f.writerows((p, r.asn, group) + for p in (r.v4 + r.v6 if r.v4 and r.v6 else r.v4 or r.v6 or ())) + + def dump_clients(self, fn, db): + """ + Write pubclients CSV file. + """ + if self.runs_pubd(): + f = self.csvout(fn) + f.writerows((s.client_handle, s.path("bpki.myrpki/ca.cer"), s.sia_base) + for s in (db if only_one_pubd else [self] + self.kids)) + + def dump_conf(self, fn): + """ + Write configuration file for OpenSSL and RPKI tools. + """ + + host = self.hosted_by if self.is_hosted() else self + + r = { ("myrpki", "handle"): self.name } + + if not self.is_hosted(): + r["irdbd", "https-url"] = "https://localhost:%d/" % self.irdbd_port + r["irdbd", "sql-database"] = "irdb%d" % self.engine + r["myirbe", "irdbd_conf"] = "myrpki.conf" + r["myirbe", "rpkid_base"] = "https://localhost:%d/" % self.rpkid_port + r["rpkid", "irdb-url"] = "https://localhost:%d/" % self.irdbd_port + r["rpkid", "server-port"] = "%d" % self.rpkid_port + r["rpkid", "sql-database"] = "rpki%d" % self.engine + r["myirbe", "want_pubd"] = "true" if self.runs_pubd() else "false" + r["myirbe", "want_rootd"] = "true" if self.is_root() else "false" + r["irbe_cli", "rpkid-url"] = "https://localhost:%d/left-right" % self.rpkid_port + + if self.is_root(): + root_path = "localhost:%d/%s" % (self.rsync_port, self.name) + r["rootd", "rpki-root-dir"] = "publication/" + r["rootd", "rpki-base-uri"] = "rsync://%s/" % root_path + r["rootd", "rpki-root-cert"] = "publication/root.cer" + r["rootd", "rpki-root-cert-uri"] = "rsync://%s/root.cer" % root_path + r["rootd", "rpki-subject-cert"] = "%s.cer" % self.name + r["rootd", "rpki-root-manifest"] = "root.mnf" + r["rootd", "root_cert_sia"] = r["rootd", "rpki-base-uri"] + r["rootd", "root_cert_manifest"] = r["rootd", "rpki-base-uri"] + r["rootd", "rpki-root-manifest"] + + if self.runs_pubd(): + r["pubd", "server-port"] = "%d" % self.pubd_port + r["pubd", "sql-database"] = "pubd%d" % self.engine + r["irbe_cli", "pubd-url"] = "https://localhost:%d/control/" % self.pubd_port + + s = self + while not s.runs_pubd(): + s = s.parent + r["myirbe", "pubd_base"] = "https://localhost:%d/" % s.pubd_port + r["myirbe", "rsync_base"] = "rsync://localhost:%d/" % s.rsync_port + r["myrpki", "repository_bpki_certificate"] = s.path("bpki.myirbe/ca.cer") + r["myrpki", "repository_handle"] = self.client_handle + + if self.is_root(): + r["rootd", "server-port"] = "%d" % self.rootd_port + + if rpkid_password: + r["rpkid", "sql-password"] = rpkid_password + + if irdbd_password: + r["irdbd", "sql-password"] = irdbd_password + + if pubd_password: + r["pubd", "sql-password"] = pubd_password + + f = open(self.path(fn), "w") + f.write("# Automatically generated, do not edit\n") + print "Writing", f.name + + section = None + for line in open("examples/myrpki.conf"): + if not line.strip() or line.lstrip().startswith("#"): + continue + m = section_regexp.match(line) + if m: + section = m.group(1) + if (section is None or + (self.is_hosted() and section in ("myirbe", "rpkid", "irdbd")) or + (not self.runs_pubd() and section == "pubd") or + (not self.is_root() and section in ("rootd", "rootd_x509_extensions"))): + continue + m = variable_regexp.match(line) if m is None else None + variable = m.group(1) if m else None + if (section, variable) in r: + line = variable + " = " + r[section, variable] + "\n" + f.write(line) + + f.close() + + def dump_rsyncd(self, fn): + """ + Write rsyncd configuration file. + """ + + if self.runs_pubd(): + f = open(self.path(fn), "w") + print "Writing", f.name + f.writelines(s + "\n" for s in + ("# Automatically generated, do not edit", + "port = %d" % self.rsync_port, + "address = localhost", + "[%s]" % self.name, + "log file = rsyncd.log", + "read only = yes", + "use chroot = no", + "path = %s" % self.path("publication"), + "comment = RPKI test")) + f.close() + + def run_myirbe(self): + """ + Run myirbe.py if this entity is not hosted by another engine. + """ + if not self.is_hosted(): + print "Running myirbe.py for", self.name + cmd = ["python", prog_myirbe] + cmd.extend(h.path("myrpki.xml") for h in self.hosts) + subprocess.check_call(cmd, cwd = self.path()) + + def run_myrpki(self): + """ + Run myrpki.py for this entity. + """ + print "Running myrpki.py for", self.name + subprocess.check_call(("python", prog_myrpki), cwd = self.path()) + + def run_python_daemon(self, prog): + """ + Start a Python daemon and return a subprocess.Popen object + representing the running daemon. + """ + basename = os.path.basename(prog) + p = subprocess.Popen(("python", prog, "-d", "-c", self.path("myrpki.conf")), + cwd = self.path(), + stdout = open(self.path(os.path.splitext(basename)[0] + ".log"), "w"), + stderr = subprocess.STDOUT) + print "Running %s for %s: pid %d process %r" % (basename, self.name, p.pid, p) + return p + + def run_rpkid(self): + """ + Run rpkid. + """ + return self.run_python_daemon(prog_rpkid) + + def run_irdbd(self): + """ + Run irdbd. + """ + return self.run_python_daemon(prog_irdbd) + + def run_pubd(self): + """ + Run pubd. + """ + return self.run_python_daemon(prog_pubd) + + def run_rootd(self): + """ + Run rootd. + """ + return self.run_python_daemon(prog_rootd) + + def run_rsyncd(self): + """ + Run rsyncd. + """ + p = subprocess.Popen(("rsync", "--daemon", "--no-detach", "--config", "rsyncd.conf"), + cwd = self.path()) + print "Running rsyncd for %s: pid %d process %r" % (self.name, p.pid, p) + return p + +os.environ["TZ"] = "UTC" +time.tzset() + +cfg_file = "yamltest.conf" + +opts, argv = getopt.getopt(sys.argv[1:], "c:h?", ["config=", "help"]) +for o, a in opts: + if o in ("-h", "--help", "-?"): + print __doc__ + sys.exit(0) + if o in ("-c", "--config"): + cfg_file = a + +# We can't usefully process more than one YAMl file at a time, so +# whine if there's more than one argument left. + +if len(argv) > 1: + raise RuntimeError, "Unexpected arguments %r" % argv + +rpki.log.use_syslog = False +rpki.log.init("yamltest") + +yaml_file = argv[0] if argv else "../rpkid/testbed.1.yaml" + +# Allow optional config file for this tool to override default +# passwords: this is mostly so that I can show a complete working +# example without publishing my own server's passwords. + +try: + cfg = rpki.config.parser(cfg_file, "yamltest") + rpkid_password = cfg.get("rpkid_db_pass") + irdbd_password = cfg.get("irdbd_db_pass") + pubd_password = cfg.get("pubd_db_pass") + only_one_pubd = cfg.getboolean("only_one_pubd", True) + prog_openssl = cfg.get("openssl", prog_openssl) +except: + rpkid_password = None + irdbd_password = None + pubd_password = None + only_one_pubd = True + +# Start clean + +for root, dirs, files in os.walk(test_dir, topdown = False): + for file in files: + os.unlink(os.path.join(root, file)) + for dir in dirs: + os.rmdir(os.path.join(root, dir)) + +# Read first YAML doc in file and process as compact description of +# test layout and resource allocations. Ignore subsequent YAML docs, +# they're for testbed.py, not this script. + +db = allocation_db(yaml.safe_load_all(open(yaml_file)).next()) + +# Show what we loaded + +db.dump() + +# Set up each entity in our test + +for d in db: + os.makedirs(d.path()) + d.dump_asns("asns.csv") + d.dump_children("children.csv") + d.dump_parents("parents.csv") + d.dump_prefixes("prefixes.csv") + d.dump_roas("roas.csv") + d.dump_conf("myrpki.conf") + d.dump_clients("pubclients.csv", db) + d.dump_rsyncd("rsyncd.conf") + +# Do initial myirbe.py run for each hosting entity to set up BPKI + +for d in db: + d.run_myirbe() + +# Run myrpki.py several times for each entity. First pass misses +# stuff that isn't generated until later in first pass. Second pass +# should pick up everything and reach a stable state. If anything +# changes during third pass, that's a bug. + +for i in xrange(3): + for d in db: + d.run_myrpki() + +# Set up a few things for rootd + +rootd_openssl = db.make_rootd_openssl() + +print "Creating rootd BPKI cross-certificate for its child" +rootd_openssl("ca", "-notext", "-batch", + "-config", "myrpki.conf", + "-ss_cert", "bpki.myrpki/ca.cer", + "-out", "bpki.myirbe/child.cer", + "-extensions", "ca_x509_ext_xcert0") + +os.makedirs(db.root.path("publication")) + +print "Creating rootd RPKI root certificate" +rootd_openssl("x509", "-req", "-sha256", "-outform", "DER", + "-signkey", "bpki.myirbe/ca.key", + "-in", "bpki.myirbe/ca.req", + "-out", "publication/root.cer", + "-extfile", "myrpki.conf", + "-extensions", "rootd_x509_extensions") + +# At this point we need to start a whole lotta daemons. + +progs = [] + +def all_daemons_running(): + for p in progs: + if p.poll() is not None: + return False + return True + +try: + print "Running daemons" + progs.append(db.root.run_rootd()) + progs.extend(d.run_irdbd() for d in db if not d.is_hosted()) + progs.extend(d.run_pubd() for d in db if d.runs_pubd()) + progs.extend(d.run_rsyncd() for d in db if d.runs_pubd()) + progs.extend(d.run_rpkid() for d in db if not d.is_hosted()) + + print "Giving daemons time to start up" + time.sleep(20) + + assert all_daemons_running() + + # Run myirbe again for each host, to set up IRDB and RPKI objects. + # Need to run a second time to push BSC certs out to rpkid. Nothing + # should happen on the third pass. Oops, when hosting we need to + # run myrpki between myirbe passes, since only the hosted entity can + # issue the BSC, etc. + + for i in xrange(3): + for d in db: + d.run_myrpki() + for d in db: + d.run_myirbe() + + print "Done initializing daemons" + + # Wait until something terminates. + + signal.signal(signal.SIGCHLD, lambda *dont_care: None) + if all_daemons_running(): + signal.pause() + +finally: + + # Shut everything down. + + signal.signal(signal.SIGCHLD, signal.SIG_DFL) + for p in progs: + if p.poll() is None: + os.kill(p.pid, signal.SIGTERM) + print "Program pid %d %r returned %d" % (p.pid, p, p.wait()) |