139 lines
		
	
	
	
		
			5.2 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			139 lines
		
	
	
	
		
			5.2 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
# -*- coding: utf-8 -*-
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#
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# 2011 Steven Armstrong (steven-cdist at armstrong.cc)
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# 2011 Nico Schottelius (nico-cdist at schottelius.org)
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#
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# This file is part of cdist.
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#
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# cdist is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# cdist is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with cdist. If not, see <http://www.gnu.org/licenses/>.
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#
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#
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import logging
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import os
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import cdist
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log = logging.getLogger(__name__)
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'''
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common:
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    runs only locally, does not need remote
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    env:
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        PATH: prepend directory with type emulator symlinks == local.bin_path
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        __target_host: the target host we are working on
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        __cdist_manifest: full qualified path of the manifest == script
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        __cdist_type_base_path: full qualified path to the directory where types are defined for use in type emulator
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            == local.type_path
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gencode-local
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    script: full qualified path to a types gencode-local
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    env:
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        __target_host: the target host we are working on
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        __global: full qualified path to the global output dir == local.out_path
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        __object: full qualified path to the object's dir
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        __object_id: the objects id
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        __object_fq: full qualified object id, iow: $type.name + / + object_id
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        __type: full qualified path to the type's dir
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    returns: string containing the generated code or None
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gencode-remote
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    script: full qualified path to a types gencode-remote
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    env:
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        __target_host: the target host we are working on
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        __global: full qualified path to the global output dir == local.out_path
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        __object: full qualified path to the object's dir
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        __object_id: the objects id
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        __object_fq: full qualified object id, iow: $type.name + / + object_id
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        __type: full qualified path to the type's dir
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    returns: string containing the generated code or None
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code-local
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    script: full qualified path to object's code-local
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    - run script localy
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    returns: string containing the output
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code-remote
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    script: full qualified path to object's code-remote
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    - copy script to remote
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    - run script remotely
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    returns: string containing the output
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'''
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class Code(object):
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    """Generates and executes cdist code scripts.
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    """
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    def __init__(self, target_host, local, remote):
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        self.target_host = target_host
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        self.local = local
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        self.remote = remote
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        self.env = {
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            '__target_host': self.target_host,
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            '__global': self.local.out_path,
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        }
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    def _run_gencode(self, cdist_object, which):
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        cdist_type = cdist_object.cdist_type
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        script = os.path.join(self.local.type_path, getattr(cdist_type, 'gencode_%s_path' % which))
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        if os.path.isfile(script):
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            env = os.environ.copy()
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            env.update(self.env)
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            env.update({
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                '__type': cdist_object.cdist_type.absolute_path,
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                '__object': cdist_object.absolute_path,
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                '__object_id': cdist_object.object_id,
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                '__object_name': cdist_object.name,
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            })
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            return self.local.run_script(script, env=env, return_output=True)
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    def run_gencode_local(self, cdist_object):
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        """Run the gencode-local script for the given cdist object."""
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        return self._run_gencode(cdist_object, 'local')
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    def run_gencode_remote(self, cdist_object):
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        """Run the gencode-remote script for the given cdist object."""
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        return self._run_gencode(cdist_object, 'remote')
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    def transfer_code_remote(self, cdist_object):
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        """Transfer the code_remote script for the given object to the remote side."""
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        source = os.path.join(self.local.object_path, cdist_object.code_remote_path)
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        destination = os.path.join(self.remote.object_path, cdist_object.code_remote_path)
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        # FIXME: BUG: do not create destination, but top level of destination!
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        # FIXME: BUG2: we are called AFTER the code-remote has been transferred already:
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        # mkdir: cannot create directory `/var/lib/cdist/object/__directory/etc/acpi/actions/.cdist/code-remote': File exists
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        # OR: this is from previous run -> cleanup missing!
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        self.remote.mkdir(destination)
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        self.remote.transfer(source, destination)
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    def _run_code(self, cdist_object, which):
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        which_exec = getattr(self, which)
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        script = os.path.join(which_exec.object_path, getattr(cdist_object, 'code_%s_path' % which))
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        return which_exec.run_script(script)
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    def run_code_local(self, cdist_object):
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        """Run the code-local script for the given cdist object."""
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        return self._run_code(cdist_object, 'local')
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    def run_code_remote(self, cdist_object):
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        """Run the code-remote script for the given cdist object on the remote side."""
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        return self._run_code(cdist_object, 'remote')
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