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begin to prepare TypeExplorer 

Signed-off-by: Nico Schottelius <nico@kr.ethz.ch>
This commit is contained in:
Nico Schottelius 2011-10-12 20:30:38 +02:00
parent 478ee1a096
commit d5e24492be
1 changed files with 19 additions and 58 deletions
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77
lib/cdist/type_explorer.py
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@ -36,65 +36,45 @@ import cdist
log = logging.getLogger(__name__)
class TypeExplorer(object):
"""Execute explorers"""
def __init__(self,
remote_global_explorer_path,
object_base_path,
type_base_path,
remote_object_base_path,
remote_type_base_path
):
def __init__(self, context):
self.context = context
self.object_base_path = object_base_path
self.global_explorer_path = global_explorer_path
self.type_base_path = type_base_path
self.remote_type_base_path = remote_type_base_path
self.remote_object_path = remote_object_path
self.global_explorer_path = os.path.join(self.context.conf_path, "explorer")
self.
try:
os.mkdir(self.context.global_explorer_out_path)
except OSError as e:
raise cdist.Error("Failed to create explorer out path: %s" % e)
def run_global_explorers(self):
"""Run global explorers"""
log.info("Running global explorers")
src_path = self.context.global_explorer_path
dst_path = self.context.remote_global_explorer_path
self.exec_wrapper.transfer_path(src_path, dst_path)
outputs = {}
for explorer in os.listdir(src_path):
outputs[explorer] = io.StringIO()
cmd = []
cmd.append("__explorer=" + remote_dst_path)
cmd.append(os.path.join(remote_dst_path, explorer))
cdist.exec.run_or_fail(cmd, stdout=outputs[explorer], remote_prefix=True)
def run_type_explorer(self, cdist_object):
def run(self, cdist_object):
"""Run type specific explorers for objects"""
cdist_type = cdist_object.type
self.transfer_type_explorers(cdist_type)
cmd = []
cmd.append("__explorer=" + self.context.remote_global_explorer_path)
cmd.append("__type_explorer=" + os.path.join(
self.context.remote_type_path,
self.remote_type_path,
cdist_type.explorer_path))
cmd.append("__object=" + os.path.join(
self.context.remote_object_path,
self.remote_object_base_path,
cdist_object.path))
cmd.append("__object_id=" + cdist_object.object_id)
cmd.append("__object_fq=" + cdist_object.name)
# Need to transfer at least the parameters for objects to be useful
self.transfer_object_parameter(cdist_object)
outputs = {}
for explorer in cdist_type.explorers:
remote_cmd = cmd + [os.path.join(self.context.remote_type_path,
remote_cmd = cmd + [os.path.join(self.remote_type_path,
cdist_type.explorer_path, explorer)]
outputs[explorer] = io.StringIO()
log.debug("%s exploring %s using %s storing to %s",
cdist_object, explorer, remote_cmd, output)
# FIXME: change to new style
cdist.exec.run_or_fail(remote_cmd, stdout=outputs[explorer], remote_prefix=True)
return outputs
@ -103,19 +83,14 @@ class TypeExplorer(object):
"""Transfer the object parameter to the remote destination"""
src = os.path.join(self.object_base_path,
cdist_object.parameter_path)
dst = os.path.join(self.remote_object_path,
dst = os.path.join(self.remote_object_base_path,
cdist_object.parameter_path)
# FIXME: new style
# Synchronise parameter dir afterwards
self.remote_mkdir(dst)
self.transfer_path(src, dst)
def transfer_global_explorers(self):
"""Transfer the global explorers"""
self.remote_mkdir(self.remote_global_explorer_path)
self.transfer_path(self.global_explorer_path,
self.remote_global_explorer_path)
def transfer_type_explorers(self, cdist_type):
"""Transfer explorers of a type, but only once"""
if cdist_type.transferred_explorers:
@ -139,17 +114,3 @@ class TypeExplorer(object):
# but remote_mkdir uses -p to fix this
self.remote_mkdir(dst)
self.transfer_path(src, dst)
def remote_mkdir(self, directory):
"""Create directory on remote side"""
cdist.exec.run_or_fail(["mkdir", "-p", directory], remote_prefix=True)
def remove_remote_path(self, destination):
"""Ensure path on remote side vanished"""
cdist.exec.run_or_fail(["rm", "-rf", destination], remote_prefix=True)
def transfer_path(self, source, destination):
"""Transfer directory and previously delete the remote destination"""
self.remove_remote_path(destination)
cdist.exec.run_or_fail(os.environ['__remote_copy'].split() +
["-r", source, self.target_host + ":" + destination])