def deleteBase(datastore, name):
'''
Delete a base image
'''
try:
# get base
base = datastore.getBase(name)
if base == None:
raise errors.NotFoundError("Base does not exist.")
# check if building and stop in case
docker.stopBaseBuild(name)
# delete docker image
if docker.deleteBaseImage(datastore, name) == False:
raise errors.ControllerError("Can't delete docker base image.")
# remove from filesystem
files.deleteBaseDir(name)
# remove from datastore
datastore.delBase(name)
base['status'] = 'deleted'
base['description'] = ''
return base, 200
except errors.NotFoundError, e:
return e.getResponse()
def deleteImage(datastore, imageToken):
'''
Deletes image and stops the build process.
'''
try:
# get image
image = datastore.getImage(imageToken)
if image == None:
raise errors.NotFoundError("Image does not exist.")
# check if building and stop in case
docker.stopBuild(image['context'], image['imageName'])
# delete docker image
if docker.deleteImage(datastore, imageToken) == False:
raise errors.ControllerError("Can't delete docker image.")
# remove from filesystem
files.deleteImageDir(image['context'], image['imageName'])
# remove from datastore
datastore.delImage(imageToken)
image['status'] = 'deleted'
image['description'] = ''
return image, 200
except errors.NotFoundError, e:
return e.getResponse()
def deleteCluster(datastore, token):
'''
Deletes the cluster and all reference with it.
'''
try:
# Retrieve cluster information in datastore
cluster = datastore.getCluster(token)
if cluster == None:
raise errors.NotFoundError("Cluster does not exist.")
# stop cluster (depends on the type of cluster)
if cluster['type'] is 'simple-preprovisioned':
pass
else:
raise errors.ControllerError(
"Don't know how to remove a cluster of this type (" +
cluster['type'] + ").")
# delete folder
files.deleteClusterDir(token)
# delete from datastore
datastore.delCluster(token)
# fake cluster just to return a response
cluster = {}
cluster['status'] = 'deleted'
cluster[
'description'] = 'Cluster has been removed and will not be accesible anymore.'
return cluster
except errors.NotFoundError, e:
return e.getResponse()
def checkImage(datastore, imageToken, detail=False):
'''
Checks if the image exists, checks if it is under construction and in case it has finished, checks if it was succefully or not.
'''
try:
# get image
image = datastore.getImage(imageToken)
if image == None:
raise errors.NotFoundError("Image does not exist.")
# Check previous stored status
if image['status'] == 'building':
if not docker.isDockerBuildRunning(image['context'],
image['imageName']):
bErrors = docker.getBuildErrors(image['context'],
image['imageName'])
if bErrors == None: # finished and no errors
# update datastore
image['status'] = 'finished'
image['description'] = 'Build finished without errors'
datastore.updateImage(imageToken, image)
else: # finished but with errors
# update datastore
image['status'] = 'error'
image['description'] = 'Build finished unsuccefully.'
datastore.updateImage(imageToken, image)
else:
pass
elif image['status'] == 'finished':
pass
else:
pass
if detail:
log = docker.getBuildLog(image['context'], image['imageName'])
errLog = docker.getBuildErrors(image['context'],
image['imageName'])
image['log'] = '' if log == None else log
image['error_log'] = '' if errLog == None else errLog
return image, 200
except errors.NotFoundError, e:
return e.getResponse()
def checkContext(datastore, token, detail=False):
'''
Checks if the context exists, checks if it is under construction and in case it has finished, checks if it was succefully or not.
'''
try:
# retrieve context information in datastore
context = datastore.getContext(token)
if context == None:
raise errors.NotFoundError("Context does not exist.")
# Check previous stored status
if context['status'] == 'building':
if not puppet.isBuildingContextRunning(token):
bErrors = puppet.getBuildingErrors(token)
if bErrors == None: # finished and no errors
# update datastore
context['status'] = 'finished'
context['description'] = 'Build finished without errors'
datastore.updateContext(token, context)
else: # finished but with errors
# update datastore
context['status'] = 'error'
context['description'] = 'Build finished unsuccefully.'
datastore.updateContext(token, context)
else:
pass
elif context['status'] == 'finished':
pass
else:
pass
if detail:
log = puppet.getBuildingLog(token)
errLog = puppet.getBuildingErrors(token)
context['log'] = '' if log == None else log
context['error_log'] = '' if errLog == None else errLog
return context, 200
except errors.NotFoundError, e:
return e.getResponse()
def checkBase(datastore, name, detail=False):
'''
Check the status of a base image
'''
try:
# get base
base = datastore.getBase(name)
if base == None:
raise errors.NotFoundError("Base does not exist.")
# Check previous stored status
if base['status'] == 'building':
if not docker.isBaseBuildRunning(name):
bErrors = docker.getBaseBuildErrors(name)
if bErrors == None: # finished and no errors
# update datastore
base['status'] = 'finished'
base['description'] = 'Build finished without errors'
datastore.updateBase(name, base)
else: # finished but with errors
# update datastore
base['status'] = 'error'
base['description'] = 'Build finished unsuccefully.'
datastore.updateBase(name, base)
else:
pass
elif base['status'] == 'finished':
pass
else:
pass
if detail:
log = docker.getBaseBuildLog(name)
errLog = docker.getBaseBuildErrors(name)
base['log'] = '' if log == None else log
base['error_log'] = '' if errLog == None else errLog
return base, 200
except errors.NotFoundError, e:
return e.getResponse()
def checkCluster(datastore, token, detail=False):
'''
Retrieve information from the cluster.
'''
try:
status = 200
# Retrieve cluster information in datastore
cluster = datastore.getCluster(token)
if cluster == None:
raise errors.NotFoundError("Cluster does not exist.")
# Ask docker daemons
clusterStatus = 'ready'
for node in cluster['nodes']:
info = None
try:
info = __obtainDockerHostInfo__(node['endpoint'])
if info['Driver'] is not None:
node['status'] = 'ready'
else:
node['status'] = 'error'
clusterStatus = 'error'
cluster[
'description'] = 'Unexpected response from node \'' + node[
'endpoint'] + '\'.'
except Exception, e:
node['status'] = 'error'
clusterStatus = 'error'
cluster['description'] = 'Cannot connect with node \'' + node[
'endpoint'] + '\'. Maybe it is down.'
# update datastore
datastore.updateCluster(token, cluster)
# details
if detail:
cluster['detail'] = info
cluster['status'] = clusterStatus
return cluster, 200
def deleteContext(datastore, token):
'''
Stops the building process of a context (if running) and deletes the folder in the filesystem and the entry in the datastore.
'''
try:
# retrieve context information in datastore
context = datastore.getContext(token)
if context == None:
raise errors.NotFoundError("Token does not exist.")
# stop process if running
puppet.stopBuildingContext(token)
# delete folder
files.deleteContextDir(token)
# delete from datastore
datastore.delContext(token)
# fake context just to return a response
context = {}
context['status']='deleted'
context['description']='Context has been removed and will not be accesible anymore.'
return context
except errors.NotFoundError, e:
return e.getResponse()
