def publishMetadata(self, metadataDir):
"""
Publishing step after successful install
"""
# Currently it simply removes .DAR directory,
# in future is could update a simple database of dar installations
cmd = 'rm -rf '+ metadataDir
(status, out)=commands.getstatusoutput(cmd)
if status != 0: # did not succeed
DARInternalError("In publishMetadata: " +
"doing command" + cmd +
"\ncommand output :\n" + out)
def saveAndQuit(self, darFile = 'useDefault'):
"""
Creates the final DARball and returns.
This is called when the user is satisfied with the result,
or when the criteria are satisfied (if in non-interactive mode).
If successful, it will return the name of the final darball that
was created, otherwise it will return 'None'.
"""
if darFile == 'useDefault':
darFile = self.blddir + "/" +\
self.darMeta.getVersionTag() +\
"." + self.currentRequest.getArchitecture() +\
self.darballSuffix
else:
darFile = self.blddir + "/" +\
self.currentRequest.getDarName() +\
self.darballSuffix
tarCmd = string.join ( [
'tar -cz -f', darFile,
'-C',
os.path.join(self.blddir, self.dar.getTopInstDir()),
getDarDirName(),
'-C', self.blddir, self.darMeta.getVersionTag()
])
infoOut("Creating DAR distribution in " +
self.blddir + "using tar command:")
infoOut(tarCmd)
(status, out) = commands.getstatusoutput(tarCmd)
if status == 0: # successfull
infoOut( "Created " + darFile)
self.timingLog('Created darball: ' + darFile)
return darFile
else:
infoOut( "Creation of dar file failed!\n " + out)
return None
def installApplication(self, installDir, testmode):
"""
Manager.installApplication
Installs the application by performing the following steps:
- checks to see if the installation directory is writable
- loads metadata
- checks if enough disk space is available
- checks to see if this is an incremental installation
- looks for the base disribution for this release
- checks for previous installation of this package
and checks the md5sum <not implemented>
- unpacks the installation package
- publishes package metadata
- sets up the environment scripts and runs setup scripts
- creates links and checks installation size
"""
if notWritable(installDir):
sys.exit(notWritable(installDir))
# Absolutize path if needed:
if not os.path.isabs(installDir):
installDir = os.path.abspath(installDir)
# Extract metadata from distribution:
metadata = loadMetadata(getMetaDataFile(),
archive = self.currentRequest.getDarFile())
infoOut('Loaded DAR metadata from '+self.currentRequest.getDarFile())
# If in test mode, print out users info and exit:
if testmode:
print metadata.userInfo()
return
# Check that there is enough space in the installation directory:
available = spaceLeft(installDir)
installSize = float(metadata.getInstallationSize())
if available < installSize:
sys.exit('Not enough space on the disk!\n Installation size: ' \
+ str(installSize) +
' KB\n Available: ' +
str(available) + ' KB')
self.timingLog('Checked space left in '+installDir)
##########################################
# Handling incremental DARballs:
##########################################
# Check if darball metadata contain a reference to a base dar:
baseDar = metadata.getBaseDar()
if baseDar:
infoOut("This is incremental distribution based on "+baseDar)
# This is an incremental darball, so
# we need matching base installation.
baseInstallation = self.currentRequest.baseDar
if not baseInstallation:
usageError ('Please specify a base .')
# Lookup for base installation in the installation pool:
# baseInstallation = self.findBaseInstallation(self.distPool,
# baseDar)
# if not baseInstallation:
# sys.exit( 'Could not find base installation for ' +
# baseDar + '
# in '+self.sharedPool)
infoOut("(todo)Verifying base installation "+baseInstallation)
##########################################
# General actions for all DARballs:
##########################################
# Check if the installation already exists:
releaseInstTop = os.path.join(installDir,
metadata.getVersionTag(),
metadata.getArchitecture())
if os.path.exists( releaseInstTop):
# TODO: validate the installation using md5sum and
# tell user the results
sys.exit("ERROR: You already have installation here: \n " \
+releaseInstTop+"\nExiting ....\n")
# Unpack darball
infoOut('Unpacking '+self.currentRequest.getDarFile()+' .... ')
unpackCommand = 'tar -xz -C ' + \
installDir + ' -f ' + \
self.currentRequest.getDarFile()
(status, out) = commands.getstatusoutput(unpackCommand)
# Check that in unpacked into toInstallDir as expected:
if status: # failed
if out:
# save command output in the logfile:
unpackLogfile = os.path.join(self.logdir, 'dar_unpack.log')
tarlog = open(unpackLogfile, 'w')
tarlog.write('Output from unpacking command:\n' + \
unpackCommand + '\n' + out )
tarlog.close()
sys.exit ('Unpacking failed with exit status ' + status + \
'\nOutput can be found in \n' + unpackLogfile )
elif not os.path.isdir(releaseInstTop):
sys.exit ('Can not find '+releaseInstTop)
# Link to a base installation for incremental darballs
if baseDar:
infoOut("Create a link to base installation:\n ln -s "
+baseInstallation+'/shared '+releaseInstTop+'/base')
os.symlink(baseInstallation+'/shared', releaseInstTop+'/base')
# Set up environment scripts:
infoOut("Setting up the installation")
templateStub = os.path.join(releaseInstTop, getSetupScriptBasename())
newSetupScriptStub = os.path.join(releaseInstTop, 'envSetup')
helpText = self.updateSetupScripts(\
templateStub, \
releaseInstTop, \
newSetupScriptStub )
# For compatibility with the old Production tools:
oldSetupScriptStub = os.path.join(releaseInstTop,
metadata.getVersionTag() + '_env')
self.updateSetupScripts(\
templateStub, \
releaseInstTop, \
oldSetupScriptStub )
# Move script templates to the DAR admin directory.
#infoOut('Removing setup scripts templates ...')
cmd = 'mv ' + templateStub + '.*sh' + ' ' \
+ installDir + '/' + getDarDirName()
(status, out)=commands.getstatusoutput(cmd)
if status != 0: # did not succeed
DARInternalError("In installApplication: " +
"doing command" + cmd +
"\ncommand output :\n" + out)
#infoOut("(todo) Do md5sum check of BOM in resulting installation")
#infoOut("(todo) If successful, " +
# "register installation in publishing service ")
self.publishMetadata(installDir + '/' + getDarDirName())
# Publish installation metadata:
self.publishMetadata(installDir + '/' + getDarDirName())
#Print out runtime environment setup help (and exit):
infoOut(helpText)
infoOut("Installation completed.")