packstack/packstack/modules/ospluginutils.py

111 lines
3.4 KiB
Python

import os
import yaml
from packstack.installer import basedefs
from packstack.installer.setup_controller import Controller
controller = Controller()
PUPPET_DIR = os.path.join(basedefs.DIR_PROJECT_DIR, "puppet")
PUPPET_TEMPLATE_DIR = os.path.join(PUPPET_DIR, "templates")
HIERA_DEFAULTS_YAML = os.path.join(basedefs.HIERADATA_DIR, "defaults.yaml")
class NovaConfig(object):
"""
Helper class to create puppet manifest entries for nova_config
"""
def __init__(self):
self.options = {}
def addOption(self, n, v):
self.options[n] = v
def getManifestEntry(self):
entry = ""
if not self.options:
return entry
entry += "nova_config{\n"
for k, v in self.options.items():
entry += ' "%s": value => "%s";\n' % (k, v)
entry += "}"
return entry
class ManifestFiles(object):
def __init__(self):
self.filelist = []
self.data = {}
self.global_data = None
# continuous manifest file that have the same marker can be
# installed in parallel, if on different servers
def addFile(self, filename, marker, data=''):
self.data[filename] = self.data.get(filename, '') + '\n' + data
for f, p in self.filelist:
if f == filename:
return
self.filelist.append((filename, marker))
def getFiles(self):
return [f for f in self.filelist]
def writeManifests(self):
"""
Write out the manifest data to disk, this should only be called once
write before the puppet manifests are copied to the various servers
"""
if not self.global_data:
with open(os.path.join(PUPPET_TEMPLATE_DIR, "global.pp")) as gfp:
self.global_data = gfp.read() % controller.CONF
os.mkdir(basedefs.PUPPET_MANIFEST_DIR, 0700)
for fname, data in self.data.items():
path = os.path.join(basedefs.PUPPET_MANIFEST_DIR, fname)
fd = os.open(path, os.O_WRONLY | os.O_CREAT | os.O_EXCL, 0600)
with os.fdopen(fd, 'w') as fp:
fp.write(self.global_data + data)
manifestfiles = ManifestFiles()
def getManifestTemplate(template_name):
if not template_name.endswith(".pp"):
template_name += ".pp"
with open(os.path.join(PUPPET_TEMPLATE_DIR, template_name)) as fp:
return fp.read() % controller.CONF
def appendManifestFile(manifest_name, data, marker=''):
manifestfiles.addFile(manifest_name, marker, data)
def generateHieraDataFile():
os.mkdir(basedefs.HIERADATA_DIR, 0700)
with open(HIERA_DEFAULTS_YAML, 'w') as outfile:
outfile.write(yaml.dump(controller.CONF,
explicit_start=True,
default_flow_style=False))
def createFirewallResources(hiera_key, default_value='{}'):
hiera_function = "hiera('%s', %s)" % (hiera_key, default_value)
return "create_resources(packstack::firewall, %s)\n\n" % hiera_function
def gethostlist(CONF):
hosts = []
for key, value in CONF.items():
if key.endswith("_HOST"):
value = value.split('/')[0]
if value and value not in hosts:
hosts.append(value)
if key.endswith("_HOSTS"):
for host in value.split(","):
host = host.strip()
host = host.split('/')[0]
if host and host not in hosts:
hosts.append(host)
return hosts