def __init__(self, demogrid_dir, config, generated_dir, force_certificates, force_chef):
self.demogrid_dir = demogrid_dir
self.config = config
self.generated_dir = generated_dir
self.force_certificates = force_certificates
self.force_chef = force_chef
self.certg = CertificateGenerator()
def __gen_public_host_certificates(self, node_instance):
log.info("Generating host certificates for public hosts")
certs_dir = "%s/certs" % self.generated_dir
certg = CertificateGenerator()
if self.config.has_ca():
ca_cert_file, ca_cert_key = self.config.get_ca()
ca_cert, ca_key = certg.load_certificate(ca_cert_file, ca_cert_key)
else:
print "To use host certificates with public hostnames, you need to supply a CA certificate."
self.cleanup()
exit(1)
certg.set_ca(ca_cert, ca_key)
for node, instance in node_instance.items():
cert, key = certg.gen_host_cert(hostname= instance.public_dns_name)
filename = node.demogrid_host_id
cert_file = "%s/%s_cert.pem" % (certs_dir, filename)
key_file = "%s/%s_key.pem" % (certs_dir, filename)
certg.save_certificate(cert, key, cert_file, key_file)
log.info("Generated host certificates for public hosts")
class Preparator(object):
DOMAIN = "grid.example.org"
GRID_MANAGEMENT_SUBNET = 1
GRID_AUTH_HOST = 1
GRID_AUTH_HOSTNAME = "auth"
GRID_AUTH_ROLE = "grid-auth"
ORG_SUBNET_START = 100
SERVER_HOST = 1
SERVER_HOSTNAME = "server"
SERVER_ROLE = "org-server"
LOGIN_HOST = 2
LOGIN_HOSTNAME = "login"
LOGIN_ROLE = "org-login"
MYPROXY_HOST = 3
MYPROXY_HOSTNAME = "auth"
MYPROXY_ROLE = "org-auth"
GRIDFTP_HOST = 4
GRIDFTP_HOSTNAME = "gridftp"
GRIDFTP_ROLE = "org-gridftp"
GATEKEEPER_HOST = 100
GATEKEEPER_HOSTNAME = "gatekeeper"
GATEKEEPER_CONDOR_ROLE = "org-gram-condor"
GATEKEEPER_PBS_ROLE = "org-gram-pbs"
LRM_CONDOR_ROLE = "org-condor"
LRM_PBS_ROLE = "org-pbs"
LRM_NODE_HOST_START = 101
LRM_NODE_HOSTNAME = "clusternode"
LRM_NODE_CONDOR_ROLE = "org-clusternode-condor"
LRM_NODE_PBS_ROLE = "org-clusternode-pbs"
# Relative to $DEMOGRID_LOCATION
UVB_TEMPLATE = "/etc/uvb.template"
CHEF_DIR = "/chef/"
# Relative to generated dir
CERTS_DIR = "/certs"
UVB_DIR = "/ubuntu-vm-builder"
VAGRANT_DIR = "/vagrant"
CHEF_FILES_DIR = "/chef/cookbooks/demogrid/files/default/"
CHEF_ATTR_DIR = "/chef/cookbooks/demogrid/attributes/"
# The default user password is "user"
DEFAULT_USER_PASSWD = "$6$7iad7GsKb$YOWHui2Axtah8/UyoGJ.Q0zA49osppljN2NZwN9JRJKv8pL7DdSnUxNopinBhv1kQkwmAYA5YPS54MWCScJKi0"
def __init__(self, demogrid_dir, config, generated_dir, force_certificates, force_chef):
self.demogrid_dir = demogrid_dir
self.config = config
self.generated_dir = generated_dir
self.force_certificates = force_certificates
self.force_chef = force_chef
self.certg = CertificateGenerator()
def prepare(self):
if not os.path.exists(self.generated_dir):
os.makedirs(self.generated_dir)
print "\033[1;37mGenerating files... \033[0m",
sys.stdout.flush()
self.topology = self.generate_topology()
self.topology.gen_hosts_file(self.generated_dir + "/hosts",
extra_entries = [("%s.0.1" % self.config.get_subnet(), "master.%s" % self.DOMAIN)])
self.topology.gen_ruby_file(self.generated_dir + "/topology.rb")
self.topology.gen_csv_file(self.generated_dir + "/topology.csv")
self.gen_uvb_master_conf()
self.gen_uvb_confs()
self.gen_vagrant_file()
print "\033[1;32mdone!\033[0m"
print "\033[1;37mGenerating certificates... \033[0m",
sys.stdout.flush()
cert_files = self.gen_certificates()
print "\033[1;32mdone!\033[0m"
print "\033[1;37mCopying chef files... \033[0m",
sys.stdout.flush()
chef_dir = self.demogrid_dir + self.CHEF_DIR
if not os.path.exists(chef_dir):
print '\033[1;33mWarning\033[0m: Chef files not installed. DemoGrid will only work in EC2 mode'
else:
if self.copy_chef_files():
print "\033[1;32mdone!\033[0m"
else:
print '\033[1;33mWarning\033[0m: Chef directory already exists. Skipping. Use --force-chef to overwrite'
print "\033[1;37mCopying other files... \033[0m",
sys.stdout.flush()
self.copy_files(cert_files)
print "\033[1;32mdone!\033[0m"
def generate_topology(self):
grid = DGGrid()
grid_auth_node = None
if self.config.has_grid_auth_node():
grid_auth_node = DGNode(role = self.GRID_AUTH_ROLE,
ip = self.__gen_IP(self.GRID_MANAGEMENT_SUBNET, self.GRID_AUTH_HOST),
hostname = self.__gen_hostname(self.GRID_AUTH_HOSTNAME))
grid.add_node(grid_auth_node)
org_subnet = self.ORG_SUBNET_START
for org_name in self.config.organizations:
org = DGOrganization(org_name, org_subnet)
grid.add_organization(org)
if self.config.has_org_users_file(org_name):
usersfile = self.config.get_org_users_file(org_name)
usersfile = open(usersfile, "r")
for line in usersfile:
fields = line.split()
type = fields[0]
username = fields[1]
password = fields[2]
password_hash = fields[3]
if type == "G":
user = DGOrgUser(login = username,
description = "User '%s' of Organization %s" % (username, org_name),
gridenabled = True, password = password, password_hash = password_hash,
auth_type = self.config.get_org_user_auth(org_name))
else:
user = DGOrgUser(login = username,
description = "User '%s' of Organization %s" % (username, org_name),
gridenabled = False, password = password, password_hash = password_hash)
org.add_user(user)
usersfile.close()
else:
usernum = 1
for i in range(self.config.get_org_num_gridusers(org_name)):
username = "******" % (org_name, usernum)
user = DGOrgUser(login = username,
description = "User '%s' of Organization %s" % (username, org_name),
gridenabled = True, password = self.DEFAULT_USER_PASSWD, password_hash = self.DEFAULT_USER_PASSWDHASH,
auth_type = self.config.get_org_user_auth(org_name))
org.add_user(user)
usernum += 1
for i in range(self.config.get_org_num_nongridusers(org_name)):
username = "******" % (org_name, usernum)
user = DGOrgUser(login = "******" % (org_name, usernum),
description = "User '%s' of Organization %s" % (username, org_name),
gridenabled = False, password = self.DEFAULT_USER_PASSWD, password_hash = self.DEFAULT_USER_PASSWDHASH)
org.add_user(user)
usernum += 1
server_node = DGNode(role = self.SERVER_ROLE,
ip = self.__gen_IP(org_subnet, self.SERVER_HOST),
hostname = self.__gen_hostname(self.SERVER_HOSTNAME, org = org_name),
org = org)
grid.add_org_node(org, server_node)
org.server = server_node
login_node = DGNode(role = self.LOGIN_ROLE,
ip = self.__gen_IP(org_subnet, self.LOGIN_HOST),
hostname = self.__gen_hostname(self.LOGIN_HOSTNAME, org = org_name),
org = org)
grid.add_org_node(org, login_node)
if self.config.has_org_auth(org_name):
auth_node = DGNode(role = self.MYPROXY_ROLE,
ip = self.__gen_IP(org_subnet, self.MYPROXY_HOST),
hostname = self.__gen_hostname(self.MYPROXY_HOSTNAME, org = org_name),
org = org)
grid.add_org_node(org, auth_node)
org.auth = auth_node
else:
org.auth = grid_auth_node
if self.config.has_org_gridftp(org_name):
gridftp_node = DGNode(role = self.GRIDFTP_ROLE,
ip = self.__gen_IP(org_subnet, self.GRIDFTP_HOST),
hostname = self.__gen_hostname(self.GRIDFTP_HOSTNAME, org = org_name),
org = org)
grid.add_org_node(org, gridftp_node)
if self.config.has_org_lrm(org_name):
lrm_type = self.config.get_org_lrm(org_name)
gram = self.config.has_org_gram(org_name)
if lrm_type == "condor":
if gram:
role = self.GATEKEEPER_CONDOR_ROLE
else:
role = self.LRM_CONDOR_ROLE
workernode_role = self.LRM_NODE_CONDOR_ROLE
elif lrm_type == "torque":
if gram:
role = self.GATEKEEPER_PBS_ROLE
else:
role = self.LRM_PBS_ROLE
workernode_role = self.LRM_NODE_PBS_ROLE
gatekeeper_node = DGNode(role = role,
ip = self.__gen_IP(org_subnet, self.GATEKEEPER_HOST),
hostname = self.__gen_hostname(self.GATEKEEPER_HOSTNAME, org = org_name),
org = org)
grid.add_org_node(org, gatekeeper_node)
org.lrm = gatekeeper_node
clusternode_host = self.LRM_NODE_HOST_START
for i in range(self.config.get_org_num_clusternodes(org_name)):
hostname = "%s-%i" % (self.LRM_NODE_HOSTNAME, i+1)
clusternode_node = DGNode(role = workernode_role,
ip = self.__gen_IP(org_subnet, clusternode_host),
hostname = self.__gen_hostname(hostname, org = org_name),
org = org)
grid.add_org_node(org, clusternode_node)
clusternode_host += 1
org_subnet += 1
# Generate Chef attributes
nodes = grid.get_nodes()
for node in nodes:
attrs = node.attrs
attrs["demogrid_hostname"] = "\"%s\"" % node.demogrid_hostname
attrs["demogrid_host_id"] = "\"%s\"" % node.demogrid_host_id
attrs["run_list"] = "[ \"role[%s]\" ]" % node.role
if node.org != None:
attrs["org"] = "\"%s\"" % node.org.name
if node.org.auth != None:
attrs["auth"] = "\"%s\"" % self.__gen_hostname("auth", node.org.name)
if self.config.has_org_lrm(node.org.name):
attrs["lrm_head"] = "\"%s\"" % self.__gen_hostname("gatekeeper", node.org.name)
attrs["lrm_nodes"] = "%i" % self.config.get_org_num_clusternodes(node.org.name)
grid.save(self.generated_dir + "/topology.dat")
nodes = grid.get_nodes()
for n in nodes:
if n.org != None:
attrs = n.attrs
attrs["subnet"] = "\"%s\"" % self.__gen_IP(n.org.subnet, 0)
attrs["org_server"] = "\"%s\"" % self.__gen_IP(n.org.subnet, 1)
return grid
def gen_hosts_file(self):
hosts = """127.0.0.1 localhost
# The following lines are desirable for IPv6 capable hosts
::1 localhost ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
ff02::3 ip6-allhosts
"""
hosts += "%s.0.1 master.%s master\n" % (self.config.get_subnet(), self.DOMAIN)
nodes = self.topology.get_nodes()
for n in nodes:
hosts += " ".join((n.ip, n.hostname, n.hostname.split(".")[0], "\n"))
hostsfile = open(self.generated_dir + "/hosts", "w")
hostsfile.write(hosts)
hostsfile.close()
def gen_uvb_master_conf(self):
uvb_dir = self.generated_dir + self.UVB_DIR
if not os.path.exists(uvb_dir):
os.makedirs(uvb_dir)
template = Template(filename=self.demogrid_dir + self.UVB_TEMPLATE)
uvb_master = template.render(domain = self.DOMAIN,
ip = self.__gen_IP(0, 2),
gw = self.__gen_IP(0, 1),
dgl = self.demogrid_dir,
execscript = "post-install-chefsolo.sh",
copy = "files-chefsolo.txt")
uvb_masterfile = open(uvb_dir + "/uvb-chefsolo-master.conf", "w")
uvb_masterfile.write(uvb_master)
uvb_masterfile.close()
uvb_master = template.render(domain = self.DOMAIN,
ip = self.__gen_IP(0, 2),
gw = self.__gen_IP(0, 1),
dgl = self.demogrid_dir,
execscript = "post-install-chefserver.sh",
copy = "files-chefserver.txt")
uvb_masterfile = open(uvb_dir + "/uvb-chefserver-master.conf", "w")
uvb_masterfile.write(uvb_master)
uvb_masterfile.close()
def gen_uvb_confs(self):
uvb_dir = self.generated_dir + self.UVB_DIR
nodes = self.topology.get_nodes()
for n in nodes:
name = n.hostname.split(".")[0].replace("-", "_")
template = Template(filename=self.demogrid_dir + self.UVB_TEMPLATE)
uvb = template.render(domain = self.DOMAIN,
ip = n.ip,
gw = self.__gen_IP(0, 1),
dgl = self.demogrid_dir,
execscript = "post-install-chefsolo.sh",
copy = "files-chefsolo.txt")
uvb_file = open(uvb_dir + "/uvb-chefsolo-%s.conf" % name, "w")
uvb_file.write(uvb)
uvb_file.close()
uvb = template.render(domain = self.DOMAIN,
ip = n.ip,
gw = self.__gen_IP(0, 1),
dgl = self.demogrid_dir,
execscript = "post-install-chefserver.sh",
copy = "files-chefserver.txt")
uvb_file = open(uvb_dir + "/uvb-chefserver-%s.conf" % name, "w")
uvb_file.write(uvb)
uvb_file.close()
def gen_certificates(self):
certs_dir = self.generated_dir + self.CERTS_DIR
if not os.path.exists(certs_dir):
os.makedirs(certs_dir)
cert_files = []
if self.config.has_ca():
ca_cert_file, ca_cert_key = self.config.get_ca()
ca_cert, ca_key = self.certg.load_certificate(ca_cert_file, ca_cert_key)
else:
ca_cert, ca_key = self.certg.gen_selfsigned_ca_cert("DemoGrid CA")
self.certg.set_ca(ca_cert, ca_key)
h = "%x" % ca_cert.subject_name_hash()
hash_file = open(certs_dir + "/ca_cert.hash", "w")
hash_file.write(h)
hash_file.close()
ca_cert_file = "%s/%s.0" % (certs_dir, h)
ca_key_file = certs_dir + "/ca_key.pem"
cert_files.append(ca_cert_file)
cert_files.append(ca_key_file)
self.__dump_certificate(cert = ca_cert,
key = ca_key,
cert_file = ca_cert_file,
key_file = ca_key_file)
users = [u for u in self.topology.get_users() if u.gridenabled and u.auth_type=="certs"]
for user in users:
cert, key = self.certg.gen_user_cert(cn = user.description)
cert_file = "%s/%s_cert.pem" % (certs_dir, user.login)
key_file = "%s/%s_key.pem" % (certs_dir, user.login)
cert_files.append(cert_file)
cert_files.append(key_file)
self.__dump_certificate(cert = cert,
key = key,
cert_file = cert_file,
key_file = key_file)
nodes = self.topology.get_nodes()
for n in nodes:
cert, key = self.certg.gen_host_cert(hostname = n.hostname)
filename = n.demogrid_host_id
cert_file = "%s/%s_cert.pem" % (certs_dir, filename)
key_file = "%s/%s_key.pem" % (certs_dir, filename)
cert_files.append(cert_file)
cert_files.append(key_file)
self.__dump_certificate(cert = cert,
key = key,
cert_file = cert_file,
key_file = key_file)
return cert_files
def gen_vagrant_file(self):
vagrant_dir = self.generated_dir + self.VAGRANT_DIR
if not os.path.exists(vagrant_dir):
os.makedirs(vagrant_dir)
vagrant = "Vagrant::Config.run do |config|\n"
nodes = self.topology.get_nodes()
for n in nodes:
name = n.hostname.split(".")[0].replace("-", "_")
vagrant += " config.vm.define :%s do |%s_config|\n" % (name, name)
vagrant += " %s_config.vm.box = \"lucid32\"\n" % name
vagrant += " %s_config.vm.provisioner = :chef_solo\n" % name
vagrant += " %s_config.chef.cookbooks_path = \"chef/cookbooks\"\n" % name
vagrant += " %s_config.chef.roles_path = \"chef/roles\"\n" % name
vagrant += " %s_config.chef.add_role \"%s\"\n" % (name, n.role)
vagrant += " %s_config.vm.network(\"%s\", :netmask => \"255.255.0.0\")\n" % (name, n.ip)
vagrant += " %s_config.chef.json.merge!({\n" % name
for k,v in n.attrs.items():
vagrant += " :%s => %s,\n" % (k,v)
vagrant += " })\n"
vagrant += " end\n\n"
vagrant += "end\n"
vagrantfile = open(vagrant_dir + "/Vagrantfile", "w")
vagrantfile.write(vagrant)
vagrantfile.close()
chef_link = vagrant_dir + "/chef"
if os.path.lexists(chef_link):
os.remove(chef_link)
os.symlink(self.generated_dir + self.CHEF_DIR, chef_link)
def copy_chef_files(self):
src_chef = self.demogrid_dir + self.CHEF_DIR
dst_chef = self.generated_dir + self.CHEF_DIR
if os.path.exists(dst_chef):
if self.force_chef:
shutil.rmtree(dst_chef)
else:
return False
if not os.path.exists(dst_chef):
shutil.copytree(src_chef, dst_chef)
return True
def copy_files(self, cert_files):
chef_files_dir = self.generated_dir + self.CHEF_FILES_DIR
for f in cert_files:
shutil.copy(f, chef_files_dir)
shutil.copy(self.generated_dir + "/hosts", chef_files_dir)
shutil.copy(self.generated_dir + "/topology.rb", self.generated_dir + self.CHEF_ATTR_DIR)
def __gen_IP(self, subnet, host):
return "%s.%i.%i" % (self.config.get_subnet(), subnet, host)
def __gen_hostname(self, name, org = None):
if org == None:
return "%s.%s" % (name, self.DOMAIN)
else:
return "%s-%s.%s" % (org, name, self.DOMAIN)
def __dump_certificate(self, cert, key, cert_file, key_file):
if os.path.exists(cert_file) and not self.force_certificates:
print '\033[1;33mWarning\033[0m: Certificate %s already exists. Skipping. Use --force-certificates to overwrite' % cert_file.split("/")[-1]
else:
self.certg.save_certificate(cert, key, cert_file, key_file)
