class EmVersionManager(object):
'''
Simplified version of versionmgr.py found in autooam.
This class finds the tar ball file to be used in a db install.
'''
def __init__(self):
'''
Constructor.
Ensure that package directory exists.
'''
self._basedir = common.props['cluster.emversionmgr.packages_base']
if not os.path.exists(self._basedir):
raise Exception("Package reference directory %s does not exist!" %
self._basedir)
self._pkgfilenameparser = PkgFileNameParser()
def retrieve(self, version, ptype):
'''locates the specified package type.
@param version - version to retrieve.
@param ptype - package type. One of 'bin', 'deb', or 'rpm'
Returns the relative path to the package tarball which is
guaranteed to be located in /opt/infinidb/em/packages/database.
Raises exceptions on failure to locate the specified package
(or other misc. errors such as a bad type, etc.).
'''
if not ptype in ['binary']: # presently only support binary
raise Exception("Unsupported package type %s!" % ptype)
# search for applicable pkg in self._basedir
for p in os.listdir(self._basedir):
mat = self._pkgfilenameparser.match(ptype, p)
if mat and (self._pkgfilenameparser.get_pkg_version(p) == version):
return p
raise Exception("No %s package found in %s for version %s" %
(ptype, self._basedir, version))
class EmVersionManager(object):
"""
Simplified version of versionmgr.py found in autooam.
This class finds the tar ball file to be used in a db install.
"""
def __init__(self):
"""
Constructor.
Ensure that package directory exists.
"""
self._basedir = common.props["cluster.emversionmgr.packages_base"]
if not os.path.exists(self._basedir):
raise Exception("Package reference directory %s does not exist!" % self._basedir)
self._pkgfilenameparser = PkgFileNameParser()
def retrieve(self, version, ptype):
"""locates the specified package type.
@param version - version to retrieve.
@param ptype - package type. One of 'bin', 'deb', or 'rpm'
Returns the relative path to the package tarball which is
guaranteed to be located in /opt/infinidb/em/packages/database.
Raises exceptions on failure to locate the specified package
(or other misc. errors such as a bad type, etc.).
"""
if not ptype in ["binary"]: # presently only support binary
raise Exception("Unsupported package type %s!" % ptype)
# search for applicable pkg in self._basedir
for p in os.listdir(self._basedir):
mat = self._pkgfilenameparser.match(ptype, p)
if mat and (self._pkgfilenameparser.get_pkg_version(p) == version):
return p
raise Exception("No %s package found in %s for version %s" % (ptype, self._basedir, version))
