wrap into a class
Signed-off-by: Nico Schottelius <nico@kr.ethz.ch>
This commit is contained in:
Nico Schottelius
parent
572401e4f8
commit
e8a6d89e3c
187
bin/cdist
187
bin/cdist
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@ -30,127 +30,136 @@ class Cdist:
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"""Cdist main class to hold arbitrary data"""
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version="2.0.0"
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def __init__(self):
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def __init__(self, hostname):
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self.tempdir = tempfile.mkdtemp()
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self.hostname = hostname
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print(self.hostname)
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print(self.tempdir)
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def __del__(self):
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print("Zerstoeren")
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def cleanup(self):
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# Do not use in __del__:
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# http://docs.python.org/reference/datamodel.html#customization
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# "other globals referenced by the __del__() method may already have been deleted
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# or in the process of being torn down (e.g. the import machinery shutting down)"
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#
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print(self.tempdir)
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shutil.rmtree(self.tempdir)
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def logger(type, *args):
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"""Ignore type for now, support later"""
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print(*args)
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def out_dir(self):
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# FIXME: stopped - probably need static temp know!
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"""Local directory containing output"""
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return os.path.join(base_directory(), "conf")
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def exit_error(*args):
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logger("error", *args)
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sys.exit(1)
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def logger(self,type, *args):
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"""Ignore type for now, support later"""
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print(*args)
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def run_or_fail(*args):
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# newargs = ["echo"]
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newargs = []
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newargs.extend(*args)
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print(newargs)
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def exit_error(self,*args):
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self.logger("error", *args)
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sys.exit(1)
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try:
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subprocess.check_call(newargs)
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except subprocess.CalledProcessError:
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exit_error("Command failed:", " ".join(newargs))
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def run_or_fail(self,*args):
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# newargs = ["echo"]
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newargs = []
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newargs.extend(*args)
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print(newargs)
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def remote_run_or_fail(hostname, *args):
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"""Run something on the remote side and fail is something breaks"""
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newargs = ["ssh", "root@" + hostname]
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newargs.extend(*args)
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run_or_fail(newargs)
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try:
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subprocess.check_call(newargs)
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except subprocess.CalledProcessError:
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self.exit_error("Command failed:", " ".join(newargs))
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def remove_remote_dir(hostname, destination):
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remote_run_or_fail(hostname, ["rm", "-rf", destination])
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def remote_run_or_fail(self, *args):
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"""Run something on the remote side and fail is something breaks"""
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newargs = ["ssh", "root@" + self.hostname]
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newargs.extend(*args)
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print(newargs, "bbbbb", self.hostname)
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self.run_or_fail(newargs)
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def transfer_dir(hostname, source, destination):
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remove_remote_dir(hostname, destination)
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run_or_fail(["scp", "-r", source, "root@" + hostname + ":" + destination])
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def remove_remote_dir(self, destination):
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self.remote_run_or_fail(["rm", "-rf", destination])
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def base_directory():
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"""Returns the directory in which all cdist stuff is based in"""
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print("Going to", __file__, os.path.join(os.path.dirname(__file__), os.pardir))
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os.chdir(os.path.join(os.path.dirname(__file__), os.pardir))
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return os.getcwd()
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def transfer_dir(self, source, destination):
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self.remove_remote_dir(destination)
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self.run_or_fail(["scp", "-qr", source, "root@" + self.hostname + ":" + destination])
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def remote_base_directory():
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return "/var/lib/cdist"
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def base_directory(self):
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"""Returns the directory in which all cdist stuff is based in"""
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print("Going to", __file__, os.path.join(os.path.dirname(__file__), os.pardir))
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os.chdir(os.path.join(os.path.dirname(__file__), os.pardir))
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return os.getcwd()
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def conf_directory():
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"""Returns path to main configuration directory"""
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return os.path.join(base_directory(), "conf")
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def remote_base_directory(self):
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return "/var/lib/cdist"
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def remote_conf_directory():
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"""Returns path to remote main configuration directory"""
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return os.path.join(remote_base_directory(), "conf")
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def conf_directory(self):
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"""Returns path to main configuration directory"""
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return os.path.join(self.base_directory(), "conf")
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def out_dir():
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# FIXME: stopped - probably need static temp know!
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"""Local directory containing output"""
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return os.path.join(base_directory(), "conf")
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def remote_conf_directory(self):
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"""Returns path to remote main configuration directory"""
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return os.path.join(self.remote_base_directory(), "conf")
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def global_explorer_directory():
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"""Returns path to directory containing the global explorers"""
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return os.path.join(conf_directory(), "explorer")
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def global_explorer_directory(self):
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"""Returns path to directory containing the global explorers"""
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return os.path.join(self.conf_directory(), "explorer")
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def remote_global_explorer_directory():
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"""Returns path to the remote directory containing the global explorers"""
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return os.path.join(remote_conf_directory(), "explorer")
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def remote_global_explorer_directory(self):
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"""Returns path to the remote directory containing the global explorers"""
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return os.path.join(self.remote_conf_directory(), "explorer")
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def remote_global_explorer_path(explorer):
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"""Returns path to the remote explorer"""
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return os.path.join(remote_global_explorer_directory(), explorer)
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def remote_global_explorer_path(self,explorer):
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"""Returns path to the remote explorer"""
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return os.path.join(self.remote_global_explorer_directory(), explorer)
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def list_global_explorers():
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"""Return list of available explorers"""
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return os.listdir(global_explorer_directory())
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def list_global_explorers(self):
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"""Return list of available explorers"""
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return os.listdir(self.global_explorer_directory())
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def transfer_global_explorers(hostname):
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transfer_dir(hostname, global_explorer_directory(), remote_global_explorer_directory())
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def transfer_global_explorers(self):
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self.transfer_dir(self.global_explorer_directory(), self.remote_global_explorer_directory())
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def global_explore(hostname):
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"""Run global explorers"""
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explorers = list_global_explorers()
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if(len(explorers) == 0):
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exit_error("No explorers found in", global_explorer_directory())
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def global_explore(self):
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"""Run global explorers"""
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explorers = self.list_global_explorers()
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if(len(explorers) == 0):
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self.exit_error("No explorers found in", self.global_explorer_directory())
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transfer_global_explorers(hostname)
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for explorer in explorers:
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remote_run_or_fail(hostname, [remote_global_explorer_path(explorer)])
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self.transfer_global_explorers()
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for explorer in explorers:
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self.remote_run_or_fail([self.remote_global_explorer_path(explorer)])
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def init_deploy(hostname):
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logger("info", "Creating clean directory structure")
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def init_deploy(self):
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self.logger("info", "Creating clean directory structure")
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# Ensure there is no old stuff, neither local nor remote
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# run_or_fail(["rm -rf", "$__cdist_local_base_dir"])
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#
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# remote_run_or_fail(hostname, ["rm -rf", "${__cdist_remote_base_dir}"])
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#
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# # Create base directories
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# run_or_fail(["mkdir -p", "$__cdist_local_base_dir"])
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# remote_run_or_fail(hostname,["mkdir -p", "${__cdist_remote_base_dir}"])
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#
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# # Link configuraion source directory - consistent with remote
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# run_or_fail(["ln -sf", "$__cdist_conf_dir", "$__cdist_local_base_dir/$__cdist_name_conf_dir"])
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# Ensure there is no old stuff, neither local nor remote
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# run_or_fail(["rm -rf", "$__cdist_local_base_dir"])
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#
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# remote_run_or_fail(hostname, ["rm -rf", "${__cdist_remote_base_dir}"])
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#
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# # Create base directories
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# run_or_fail(["mkdir -p", "$__cdist_local_base_dir"])
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# remote_run_or_fail(hostname,["mkdir -p", "${__cdist_remote_base_dir}"])
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#
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# # Link configuraion source directory - consistent with remote
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# run_or_fail(["ln -sf", "$__cdist_conf_dir", "$__cdist_local_base_dir/$__cdist_name_conf_dir"])
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def cdist_deploy_to(hostname):
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"""Mimic the old deploy to: Deploy to one host"""
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logger("info", "Deploying to host", hostname)
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init_deploy(hostname)
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global_explore(hostname)
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def deploy_to(self):
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"""Mimic the old deploy to: Deploy to one host"""
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self.logger("info", "Deploying to host", self.hostname)
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self.init_deploy()
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self.global_explore()
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if __name__ == "__main__":
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hostname=sys.argv[1]
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# logger("info", "cdist", cdist_version, ": Configuring host", hostname)
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cdist_deploy_to(hostname)
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print(list_global_explorers())
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c = Cdist()
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for host in sys.argv[1:]:
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c = Cdist(host)
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c.deploy_to()
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print(c.list_global_explorers())
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c.cleanup()
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