pedro/cdist
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wrap into a class

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Signed-off-by: Nico Schottelius <nico@kr.ethz.ch>
This commit is contained in:
Nico Schottelius 2011-09-08 04:22:21 +02:00
parent 572401e4f8
commit e8a6d89e3c
1 changed files with 98 additions and 89 deletions
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111
bin/cdist
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@ -30,25 +30,36 @@ class Cdist:
"""Cdist main class to hold arbitrary data"""
version="2.0.0"
def __init__(self):
def __init__(self, hostname):
self.tempdir = tempfile.mkdtemp()
self.hostname = hostname
print(self.hostname)
print(self.tempdir)
def __del__(self):
print("Zerstoeren")
def cleanup(self):
# Do not use in __del__:
# http://docs.python.org/reference/datamodel.html#customization
# "other globals referenced by the __del__() method may already have been deleted
# or in the process of being torn down (e.g. the import machinery shutting down)"
#
print(self.tempdir)
shutil.rmtree(self.tempdir)
def logger(type, *args):
def out_dir(self):
# FIXME: stopped - probably need static temp know!
"""Local directory containing output"""
return os.path.join(base_directory(), "conf")
def logger(self,type, *args):
"""Ignore type for now, support later"""
print(*args)
def exit_error(*args):
logger("error", *args)
def exit_error(self,*args):
self.logger("error", *args)
sys.exit(1)
def run_or_fail(*args):
def run_or_fail(self,*args):
# newargs = ["echo"]
newargs = []
newargs.extend(*args)
@ -57,75 +68,71 @@ def run_or_fail(*args):
try:
subprocess.check_call(newargs)
except subprocess.CalledProcessError:
exit_error("Command failed:", " ".join(newargs))
self.exit_error("Command failed:", " ".join(newargs))
def remote_run_or_fail(hostname, *args):
def remote_run_or_fail(self, *args):
"""Run something on the remote side and fail is something breaks"""
newargs = ["ssh", "root@" + hostname]
newargs = ["ssh", "root@" + self.hostname]
newargs.extend(*args)
run_or_fail(newargs)
print(newargs, "bbbbb", self.hostname)
self.run_or_fail(newargs)
def remove_remote_dir(hostname, destination):
remote_run_or_fail(hostname, ["rm", "-rf", destination])
def remove_remote_dir(self, destination):
self.remote_run_or_fail(["rm", "-rf", destination])
def transfer_dir(hostname, source, destination):
remove_remote_dir(hostname, destination)
run_or_fail(["scp", "-r", source, "root@" + hostname + ":" + destination])
def transfer_dir(self, source, destination):
self.remove_remote_dir(destination)
self.run_or_fail(["scp", "-qr", source, "root@" + self.hostname + ":" + destination])
def base_directory():
def base_directory(self):
"""Returns the directory in which all cdist stuff is based in"""
print("Going to", __file__, os.path.join(os.path.dirname(__file__), os.pardir))
os.chdir(os.path.join(os.path.dirname(__file__), os.pardir))
return os.getcwd()
def remote_base_directory():
def remote_base_directory(self):
return "/var/lib/cdist"
def conf_directory():
def conf_directory(self):
"""Returns path to main configuration directory"""
return os.path.join(base_directory(), "conf")
return os.path.join(self.base_directory(), "conf")
def remote_conf_directory():
def remote_conf_directory(self):
"""Returns path to remote main configuration directory"""
return os.path.join(remote_base_directory(), "conf")
return os.path.join(self.remote_base_directory(), "conf")
def out_dir():
# FIXME: stopped - probably need static temp know!
"""Local directory containing output"""
return os.path.join(base_directory(), "conf")
def global_explorer_directory():
def global_explorer_directory(self):
"""Returns path to directory containing the global explorers"""
return os.path.join(conf_directory(), "explorer")
return os.path.join(self.conf_directory(), "explorer")
def remote_global_explorer_directory():
def remote_global_explorer_directory(self):
"""Returns path to the remote directory containing the global explorers"""
return os.path.join(remote_conf_directory(), "explorer")
return os.path.join(self.remote_conf_directory(), "explorer")
def remote_global_explorer_path(explorer):
def remote_global_explorer_path(self,explorer):
"""Returns path to the remote explorer"""
return os.path.join(remote_global_explorer_directory(), explorer)
return os.path.join(self.remote_global_explorer_directory(), explorer)
def list_global_explorers():
def list_global_explorers(self):
"""Return list of available explorers"""
return os.listdir(global_explorer_directory())
return os.listdir(self.global_explorer_directory())
def transfer_global_explorers(hostname):
transfer_dir(hostname, global_explorer_directory(), remote_global_explorer_directory())
def transfer_global_explorers(self):
self.transfer_dir(self.global_explorer_directory(), self.remote_global_explorer_directory())
def global_explore(hostname):
def global_explore(self):
"""Run global explorers"""
explorers = list_global_explorers()
explorers = self.list_global_explorers()
if(len(explorers) == 0):
exit_error("No explorers found in", global_explorer_directory())
self.exit_error("No explorers found in", self.global_explorer_directory())
transfer_global_explorers(hostname)
self.transfer_global_explorers()
for explorer in explorers:
remote_run_or_fail(hostname, [remote_global_explorer_path(explorer)])
self.remote_run_or_fail([self.remote_global_explorer_path(explorer)])
def init_deploy(hostname):
logger("info", "Creating clean directory structure")
def init_deploy(self):
self.logger("info", "Creating clean directory structure")
# Ensure there is no old stuff, neither local nor remote
# run_or_fail(["rm -rf", "$__cdist_local_base_dir"])
@ -139,18 +146,20 @@ def init_deploy(hostname):
# # Link configuraion source directory - consistent with remote
# run_or_fail(["ln -sf", "$__cdist_conf_dir", "$__cdist_local_base_dir/$__cdist_name_conf_dir"])
def cdist_deploy_to(hostname):
def deploy_to(self):
"""Mimic the old deploy to: Deploy to one host"""
logger("info", "Deploying to host", hostname)
init_deploy(hostname)
global_explore(hostname)
self.logger("info", "Deploying to host", self.hostname)
self.init_deploy()
self.global_explore()
if __name__ == "__main__":
hostname=sys.argv[1]
# logger("info", "cdist", cdist_version, ": Configuring host", hostname)
cdist_deploy_to(hostname)
print(list_global_explorers())
c = Cdist()
for host in sys.argv[1:]:
c = Cdist(host)
c.deploy_to()
print(c.list_global_explorers())
c.cleanup()