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#!/usr/bin/env python
# Copyright (c) 2014-2016, NORDUnet A/S.
# See LICENSE for licensing information.
import argparse
import sys
import yaml
import re
import base64
from datetime import datetime
class Symbol(str):
pass
class Binary(str):
pass
clean_string = re.compile(r'^[-.:_/A-Za-z0-9 ]*$')
clean_symbol = re.compile(r'^[_A-Za-z0-9]*$')
def quote_erlang_string(s):
if clean_string.match(s):
return '"' + s + '"'
else:
return "[" + ",".join([str(ord(c)) for c in s]) + "]"
def quote_erlang_symbol(s):
if clean_symbol.match(s):
return s
elif clean_string.match(s):
return "'" + s + "'"
else:
print >>sys.stderr, "Cannot generate symbol", s
sys.exit(1)
def gen_erlang(term, level=1):
indent = " " * level
separator = ",\n" + indent
if isinstance(term, Symbol):
return quote_erlang_symbol(term)
elif isinstance(term, Binary):
return "<<" + ",".join([str(ord(c)) for c in term]) + ">>"
elif isinstance(term, basestring):
return quote_erlang_string(term)
elif isinstance(term, int):
return str(term)
elif isinstance(term, tuple):
tuplecontents = [gen_erlang(e, level=level+1) for e in term]
if "\n" not in "".join(tuplecontents):
separator = ", "
return "{" + separator.join(tuplecontents) + "}"
elif isinstance(term, list):
listcontents = [gen_erlang(e, level=level+1) for e in term]
return "[" + separator.join(listcontents) + "]"
else:
print "unknown type", type(term)
sys.exit(1)
saslconfig = [(Symbol("sasl_error_logger"), Symbol("false")),
(Symbol("errlog_type"), Symbol("error")),
(Symbol("error_logger_mf_dir"), "sasl_log"),
(Symbol("error_logger_mf_maxbytes"), 10485760),
(Symbol("error_logger_mf_maxfiles"), 10),
]
def parse_address(address):
parsed_address = address.split(":")
if len(parsed_address) != 2:
print >>sys.stderr, "Invalid address format", address
sys.exit(1)
return (parsed_address[0], int(parsed_address[1]))
def get_node_config(nodename, config):
nodetype = []
nodeconfig = {}
for t in ["frontendnodes", "storagenodes", "signingnodes", "mergenodes"]:
for node in config[t]:
if node["name"] == nodename:
nodetype.append(t)
nodeconfig[t] = node
if len(nodetype) == 0:
print >>sys.stderr, "Cannot find config for node", nodename
sys.exit(1)
if len(nodetype) >= 2 and set(nodetype) != set(["frontendnodes", "storagenodes"]):
print >>sys.stderr, "Node type unsupported:", nodetype
sys.exit(1)
return (set(nodetype), nodeconfig)
def get_address(bind_address, nodeconfig):
if bind_address:
(host, port) = parse_address(bind_address)
else:
(_, port) = parse_address(nodeconfig["address"])
host = "0.0.0.0"
return (host, port)
def gen_http_servers(nodetype, nodeconfig, bind_addresses, bind_publicaddress, bind_publichttpaddress):
http_servers = []
https_servers = []
if "frontendnodes" in nodetype and "mergenodes" in nodetype:
print >>sys.stderr, "cannot have both frontend node and merge node at the same time", nodetype
sys.exit(1)
if "frontendnodes" in nodetype:
(host, port) = get_address(bind_addresses["frontend"], nodeconfig["frontendnodes"])
if bind_publicaddress:
(publichost, publicport) = parse_address(bind_publicaddress)
else:
(_, publicport) = parse_address(nodeconfig["frontendnodes"]["publicaddress"])
publichost = "0.0.0.0"
if bind_publichttpaddress:
(publichttphost, publichttpport) = parse_address(bind_publichttpaddress)
http_servers.append((Symbol("external_http_api"), publichttphost, publichttpport, Symbol("v1")))
https_servers.append((Symbol("external_https_api"), publichost, publicport, Symbol("v1")))
https_servers.append((Symbol("frontend_https_api"), host, port, Symbol("frontend")))
if "storagenodes" in nodetype:
(host, port) = get_address(bind_addresses["storage"], nodeconfig["storagenodes"])
https_servers.append((Symbol("storage_https_api"), host, port, Symbol("storage")))
if "signingnodes" in nodetype:
(host, port) = get_address(bind_addresses["signing"], nodeconfig["signingnodes"])
https_servers.append((Symbol("signing_https_api"), host, port, Symbol("signing")))
if "mergenodes" in nodetype:
(host, port) = get_address(bind_addresses["merge"], nodeconfig["mergenodes"])
https_servers.append((Symbol("frontend_https_api"), host, port, Symbol("frontend")))
if nodetype - set(["frontendnodes", "storagenodes", "signingnodes", "mergenodes"]):
print >>sys.stderr, "unknown nodetype", nodetype
sys.exit(1)
return (http_servers,
https_servers)
def allowed_clients_frontend(mergenodenames, primarymergenode):
return [
("/plop/v1/frontend/sendentry", mergenodenames),
("/plop/v1/frontend/sendlog", mergenodenames),
("/plop/v1/frontend/publish-sth", [primarymergenode]),
("/plop/v1/frontend/verify-entries", [primarymergenode]),
("/plop/v1/frontend/currentposition", mergenodenames),
("/plop/v1/frontend/missingentries", mergenodenames),
]
def allowed_clients_mergesecondary(primarymergenode):
return [
("/plop/v1/merge/sendentry", [primarymergenode]),
("/plop/v1/merge/sendlog", [primarymergenode]),
("/plop/v1/merge/verifyroot", [primarymergenode]),
("/plop/v1/merge/verifiedsize", [primarymergenode]),
("/plop/v1/merge/setverifiedsize", [primarymergenode]),
("/plop/v1/merge/missingentries", [primarymergenode]),
]
def allowed_clients_public():
noauth = Symbol("noauth")
return [
("/ct/v1/add-chain", noauth),
("/ct/v1/add-pre-chain", noauth),
("/ct/v1/get-sth", noauth),
("/ct/v1/get-sth-consistency", noauth),
("/ct/v1/get-proof-by-hash", noauth),
("/ct/v1/get-entries", noauth),
("/ct/v1/get-entry-and-proof", noauth),
("/ct/v1/get-roots", noauth),
]
def allowed_clients_signing(frontendnodenames, primarymergenode):
return [
("/plop/v1/signing/sct", frontendnodenames),
("/plop/v1/signing/sth", [primarymergenode]),
]
def allowed_clients_storage(frontendnodenames, mergenodenames):
return [
("/plop/v1/storage/sendentry", frontendnodenames),
("/plop/v1/storage/entrycommitted", frontendnodenames),
("/plop/v1/storage/fetchnewentries", mergenodenames),
("/plop/v1/storage/getentry", mergenodenames),
]
def allowed_servers_frontend(signingnodenames, storagenodenames):
return [
("/plop/v1/storage/sendentry", storagenodenames),
("/plop/v1/storage/entrycommitted", storagenodenames),
("/plop/v1/signing/sct", signingnodenames),
]
def parse_ratelimit_expression(expression):
if expression == "none":
return Symbol("none")
parts = expression.split(" ")
if not (len(parts) == 3 and parts[1] == 'per' and parts[2] in ["second", "minute", "hour"]):
print >>sys.stderr, "Ratelimit expressions must have the format \"<frequency> per second|minute|hour\" or \"none\""
sys.exit(1)
return (int(parts[0]), Symbol(parts[2]))
def parse_ratelimit((type, description)):
descriptions = [parse_ratelimit_expression(s.strip()) for s in description.split(",")]
if len(descriptions) != 1:
print >>sys.stderr, "%s: Only one ratelimit expression supported right now" % (type,)
return (Symbol(type), descriptions)
def api_keys(config):
return [(node["nodename"], Binary(base64.b64decode(node["publickey"]))) for node in config["apikeys"]]
def gen_config(nodename, config, localconfig):
print "generating config for", nodename
paths = localconfig["paths"]
apikeys = api_keys(config)
bind_addresses = {
"frontend": localconfig.get("frontendaddresses", {}).get(nodename),
"storage": localconfig.get("storageaddresses", {}).get(nodename),
"signing": localconfig.get("signingaddresses", {}).get(nodename),
"merge": localconfig.get("mergeaddresses", {}).get(nodename),
}
bind_publicaddress = localconfig.get("ctapiaddresses", {}).get(nodename)
bind_publichttpaddress = localconfig.get("publichttpaddresses", {}).get(nodename)
options = localconfig.get("options", [])
configfile = open(paths["configdir"] + "/" + nodename + ".config", "w")
print >>configfile, "%% catlfish configuration file (-*- erlang -*-)"
(nodetype, nodeconfig) = get_node_config(nodename, config)
(http_servers, https_servers) = gen_http_servers(nodetype, nodeconfig, bind_addresses, bind_publicaddress, bind_publichttpaddress=bind_publichttpaddress)
catlfishconfig = []
plopconfig = []
if nodetype & set(["frontendnodes", "mergenodes"]):
catlfishconfig.append((Symbol("known_roots_path"), localconfig["paths"]["knownroots"]))
if "frontendnodes" in nodetype:
if "sctcaching" in options:
catlfishconfig.append((Symbol("sctcache_root_path"), paths["db"] + "sctcache/"))
if "ratelimits" in localconfig:
ratelimits = map(parse_ratelimit, localconfig["ratelimits"].items())
catlfishconfig.append((Symbol("ratelimits"), ratelimits))
catlfishconfig += [
(Symbol("https_servers"), https_servers),
(Symbol("http_servers"), http_servers),
(Symbol("https_certfile"), paths["https_certfile"]),
(Symbol("https_keyfile"), paths["https_keyfile"]),
(Symbol("https_cacertfile"), paths["https_cacertfile"]),
(Symbol("https_cacert_fingerprint"), Binary(base64.b16decode(config["cafingerprint"]))),
]
catlfishconfig.append((Symbol("mmd"), config["mmd"]))
lagerconfig = [
(Symbol("handlers"), [
(Symbol("lager_console_backend"), Symbol("info")),
(Symbol("lager_file_backend"), [(Symbol("file"), nodename + "-error.log"), (Symbol("level"), Symbol("error"))]),
(Symbol("lager_file_backend"), [(Symbol("file"), nodename + "-debug.log"), (Symbol("level"), Symbol("debug"))]),
(Symbol("lager_file_backend"), [(Symbol("file"), nodename + "-console.log"), (Symbol("level"), Symbol("info"))]),
])
]
if "dbbackend" in localconfig:
dbbackend = localconfig["dbbackend"]
if dbbackend not in ("fsdb", "permdb"):
print >>sys.stderr, "DB backend not recognized:", dbbackend
sys.exit(1)
plopconfig += [
(Symbol("db_backend"), Symbol(dbbackend)),
]
if dbbackend == "permdb" and len(localconfig["localnodes"]) != 1:
print >>sys.stderr, "When using permdb, all services have to be in the same node"
sys.exit(1)
print "nodetype", ", ".join(nodetype)
if nodetype & set(["frontendnodes", "storagenodes"]):
plopconfig += [
(Symbol("entry_root_path"), paths["db"] + "certentries"),
(Symbol("entryhash_root_path"), paths["db"] + "entryhash"),
(Symbol("indexforhash_root_path"), paths["db"] + "certindex"),
]
if "frontendnodes" in nodetype:
plopconfig += [
(Symbol("index_path"), paths["db"] + "index"),
(Symbol("sth_path"), paths["db"] + "sth"),
(Symbol("sendsth_verified_path"), paths["db"] + "sendsth-verified"),
(Symbol("entryhash_from_entry"),
(Symbol("catlfish"), Symbol("entryhash_from_entry"))),
]
if "storagenodes" in nodetype:
plopconfig += [
(Symbol("newentries_path"), paths["db"] + "newentries"),
(Symbol("lastverifiednewentry_path"), paths["db"] + "lastverifiednewentry"),
]
if nodetype & set(["frontendnodes", "mergenodes"]):
plopconfig += [
(Symbol("verify_entry"),
(Symbol("catlfish"), Symbol("verify_entry"))),
]
if "mergenodes" in nodetype:
plopconfig += [
(Symbol("verifiedsize_path"), paths["mergedb"] + "/verifiedsize"),
(Symbol("index_path"), paths["mergedb"] + "/logorder"),
(Symbol("entry_root_path"), paths["mergedb"] + "/chains"),
]
signingnodes = config["signingnodes"]
signingnodeaddresses = ["https://%s/plop/v1/signing/" % node["address"] for node in config["signingnodes"]]
mergenodenames = [node["name"] for node in config["mergenodes"]]
primarymergenodename = config["primarymergenode"]
storagenodeaddresses = ["https://%s/plop/v1/storage/" % node["address"] for node in config["storagenodes"]]
frontendnodenames = [node["name"] for node in config["frontendnodes"]]
allowed_clients = []
allowed_servers = []
services = set()
if "frontendnodes" in nodetype:
storagenodenames = [node["name"] for node in config["storagenodes"]]
plopconfig.append((Symbol("storage_nodes"), storagenodeaddresses))
plopconfig.append((Symbol("storage_nodes_quorum"), config["storage-quorum-size"]))
services.add(Symbol("ht"))
allowed_clients += allowed_clients_frontend(mergenodenames, primarymergenodename)
allowed_clients += allowed_clients_public()
allowed_servers += allowed_servers_frontend([node["name"] for node in signingnodes], storagenodenames)
if "storagenodes" in nodetype:
allowed_clients += allowed_clients_storage(frontendnodenames, mergenodenames)
if "signingnodes" in nodetype:
allowed_clients += allowed_clients_signing(frontendnodenames, primarymergenodename)
services = [Symbol("sign")]
if "mergenodes" in nodetype:
storagenodenames = [node["name"] for node in config["storagenodes"]]
plopconfig.append((Symbol("storage_nodes"), storagenodeaddresses))
plopconfig.append((Symbol("storage_nodes_quorum"), config["storage-quorum-size"]))
services.add(Symbol("ht"))
allowed_clients += allowed_clients_mergesecondary(primarymergenodename)
plopconfig += [
(Symbol("publickey_path"), paths["publickeys"]),
(Symbol("services"), list(services)),
]
if "signingnodes" in nodetype:
hsm = localconfig.get("hsm")
if "logprivatekey" in paths:
plopconfig.append((Symbol("log_private_key"), paths["logprivatekey"]))
if hsm:
plopconfig.append((Symbol("hsm"), [hsm.get("library"), str(hsm.get("slot")), "ecdsa", hsm.get("label"), hsm.get("pin")]))
if not ("logprivatekey" in paths or hsm):
print >>sys.stderr, "Neither logprivatekey nor hsm configured for signing node", nodename
sys.exit(1)
plopconfig += [
(Symbol("log_public_key"), Binary(base64.b64decode(config["logpublickey"]))),
(Symbol("own_key"), (nodename, "%s/%s-private.pem" % (paths["privatekeys"], nodename))),
]
if "frontendnodes" in nodetype:
plopconfig.append((Symbol("signing_nodes"), signingnodeaddresses))
plopconfig += [
(Symbol("allowed_clients"), list(allowed_clients)),
(Symbol("allowed_servers"), list(allowed_servers)),
(Symbol("apikeys"), apikeys),
]
erlangconfig = [
(Symbol("sasl"), saslconfig),
(Symbol("catlfish"), catlfishconfig),
(Symbol("lager"), lagerconfig),
(Symbol("plop"), plopconfig),
]
print >>configfile, gen_erlang(erlangconfig) + ".\n"
configfile.close()
def gen_testmakefile(config, testmakefile, machines, shellvars=False):
configfile = open(testmakefile, "w")
print >>configfile, "#", testmakefile, "generated by", sys.argv[0], datetime.now()
frontendnodenames = set([node["name"] for node in config["frontendnodes"]])
storagenodenames = set([node["name"] for node in config["storagenodes"]])
signingnodenames = set([node["name"] for node in config["signingnodes"]])
mergenodenames = set([node["name"] for node in config["mergenodes"]])
erlangnodenames = frontendnodenames | storagenodenames | signingnodenames | \
set(filter(lambda name: name != config["primarymergenode"], mergenodenames))
frontendnodeaddresses = [node["publicaddress"] for node in config["frontendnodes"]]
storagenodeaddresses = [node["address"] for node in config["storagenodes"]]
signingnodeaddresses = [node["address"] for node in config["signingnodes"]]
mergenodeaddresses = [node["address"] for node in config["mergenodes"] if node["name"] != config["primarymergenode"]]
delimiter = '"' if shellvars else ''
print >>configfile, "NODES=" + delimiter + " ".join(frontendnodenames|storagenodenames|signingnodenames|mergenodenames) + delimiter
print >>configfile, "ERLANGNODES=" + delimiter + " ".join(erlangnodenames) + delimiter
print >>configfile, "MACHINES=" + delimiter + " ".join([str(e) for e in range(1, machines+1)]) + delimiter
print >>configfile, "TESTURLS=" + delimiter + " ".join(frontendnodeaddresses+storagenodeaddresses+signingnodeaddresses+mergenodeaddresses) + delimiter
print >>configfile, "BASEURL=" + delimiter + config["baseurl"] + delimiter
configfile.close()
def main():
parser = argparse.ArgumentParser(description="")
parser.add_argument('--config', help="System configuration", required=True)
parser.add_argument('--localconfig', help="Local configuration")
parser.add_argument("--testmakefile", metavar="file", help="Generate makefile variables for test")
parser.add_argument("--testshellvars", metavar="file", help="Generate shell variable file for test")
parser.add_argument("--machines", type=int, metavar="n", help="Number of machines")
args = parser.parse_args()
config = yaml.load(open(args.config))
if args.testmakefile and args.machines:
gen_testmakefile(config, args.testmakefile, args.machines)
elif args.testshellvars and args.machines:
gen_testmakefile(config, args.testshellvars, args.machines, shellvars=True)
elif args.localconfig:
localconfig = yaml.load(open(args.localconfig))
localnodes = localconfig["localnodes"]
for localnode in localnodes:
gen_config(localnode, config, localconfig)
else:
print >>sys.stderr, "Nothing to do"
sys.exit(1)
main()
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