def create_from_instance(request, uuid):
logger.debug("Creating new image from instance")
domain = libvirtUtils.get_domain_by_uuid(uuid)
logger.debug("got domain " + domain.name())
domain_image = libvirtUtils.get_image_for_domain(uuid)
logger.debug("got domain_image: " + domain_image)
if osUtils.is_image_thin_provisioned(domain_image):
logger.error(
"Cannot clone disk that is thinly provisioned! Please perform a block pull before continuing"
)
context = {
'error':
"Cannot Clone thinly provisioned disk! Please perform a block pull!"
}
return render(request, 'error.html', context)
domain_name = domain.name()
# FIXME - make these variable names a bit more clear about their meaning
# we need to get the path of the image relative to the MEDIA_ROOT
media_root = settings.MEDIA_ROOT
media_root_array = media_root.split("/")
len_media_root = len(media_root_array)
full_path_array = domain_image.split("/")
full_path = "/".join(full_path_array[:full_path_array.index('instances')])
# grab the file path of the domain image without the MEDIA_ROOT prepended
file_path_array = domain_image.split('/')[len_media_root:]
images_dir = "/".join(file_path_array[:file_path_array.index('instances')])
new_relative_image_path = images_dir + "/image_" + str(
domain.UUIDString()) + ".img"
new_full_image_path = full_path + "/image_" + str(
domain.UUIDString()) + ".img"
if osUtils.check_path(new_full_image_path):
logger.info("Image has already been cloned")
context = {'error': "Instance has already been cloned!"}
return render(request, 'error.html', context)
logger.debug("Copying image from " + domain_image)
logger.debug("To " + new_full_image_path)
osUtils.copy_image_to_clone(domain_image, new_full_image_path)
image = Image()
image.name = "image_" + str(domain.UUIDString())
image.description = "Clone of " + domain_name
image.filePath = new_relative_image_path
image.save()
return HttpResponseRedirect('/images/')
def create_blank(request):
image_form = ImageBlankForm(request.POST)
logger.debug(image_form)
logger.debug(str(image_form))
if image_form.is_valid():
name = request.POST["name"]
size = request.POST["size"]
description = request.POST["description"]
file_path = 'user_images/' + name
if ".img" not in file_path:
file_path += ".img"
full_path = settings.MEDIA_ROOT + "/" + file_path
if osUtils.create_blank_image(full_path, size + 'G'):
image = Image()
image.description = description
image.name = name
image.filePath = file_path
image.type = 'blank'
image.save()
# if not osUtils.checkPath(image_form.cleaned_data['path']):
# logger.debug("PATH DOESN'T EXIST")
# context = {'error' : "PATH DOESNT EXIST"}
# return render(request, 'error.html', context)
logger.debug("Saving form")
# image_form.save()
return HttpResponseRedirect('/images')
else:
context = {'image_form': image_form}
return render(request, 'images/new_blank.html', context)
def create_local_image(name, description, file_path, image_type):
"""
Register a local (server-side) image with Wistar
:param name: name of the image
:param description: Description of the image
:param file_path: full path to the where the file exists on the server
:param image_type: The wistar type of the image, this type must already be registered in Wistar
:return: The local id of the image
"""
if image_exists(name):
logger.info('Image with this name already exists!')
try:
existing_image = Image.objects.get(name=name)
return existing_image.id
except Image.DoesNotExist:
logger.error('Image already exists but we cannot get it locally!')
pass
if osUtils.check_path(file_path):
logger.debug("path exists")
if settings.MEDIA_ROOT not in file_path:
raise Exception("Image must in in path: %s" % settings.MEDIA_ROOT)
else:
logger.debug("removing media_root")
file_path = file_path.replace(settings.MEDIA_ROOT + '/', '')
logger.debug(file_path)
else:
raise Exception("Invalid image path")
try:
logger.debug(file_path)
image = Image()
image.description = description
image.name = name
image.filePath = file_path
image.type = image_type
image.save()
full_path = image.filePath.path
if re.match(".*\.vmdk$", full_path):
# we need to convert this for KVM based deployments!
converted_image_path = re.sub("\.vmdk$", ".qcow2", full_path)
converted_image_file_name = converted_image_path.split('/')[-1]
if osUtils.convert_vmdk_to_qcow2(full_path, converted_image_path):
logger.info("Converted vmdk image to qcow2!")
image.filePath = "user_images/%s" % converted_image_file_name
image.save()
logger.debug("Removing original vmdk")
osUtils.remove_instance(full_path)
else:
logger.error("Could not convert vmdk!")
if image_type == "junos_vre" and "jinstall64-vmx-15.1" in full_path:
logger.debug("Creating RIOT image for Junos vMX 15.1")
# lets replace the last "." with "_riot."
if '.' in file_path:
new_image_path = re.sub(r"(.*)\.(.*)$", r"\1_riot.\2",
full_path)
else:
# if there is no '.', let's just add one
new_image_path = full_path + "_riot.img"
new_image_file_name = new_image_path.split('/')[-1]
new_image_name = name + ' Riot PFE'
if osUtils.copy_image_to_clone(full_path, new_image_path):
logger.debug("Copied from %s" % full_path)
logger.debug("Copied to %s" % new_image_path)
n_image = Image()
n_image.name = new_image_name
n_image.type = "junos_riot"
n_image.description = image.description + "\nRiot PFE"
n_image.filePath = "user_images/" + new_image_file_name
n_image.save()
return image.id
except Exception as e:
logger.error("Caught Error in create_local_image")
logger.error(str(e))
raise
def create_local_image(name, description, file_path, image_type):
if osUtils.check_path(file_path):
logger.debug("path exists")
if settings.MEDIA_ROOT not in file_path:
raise Exception("Image must in in path: %s" % settings.MEDIA_ROOT)
else:
logger.debug("removing media_root")
file_path = file_path.replace(settings.MEDIA_ROOT + '/', '')
logger.debug(file_path)
else:
raise Exception("Invalid image path")
try:
logger.debug(file_path)
image = Image()
image.description = description
image.name = name
image.filePath = file_path
image.type = image_type
image.save()
full_path = image.filePath.path
if re.match(".*\.vmdk$", full_path):
# we need to convert this for KVM based deployments!
converted_image_path = re.sub("\.vmdk$", ".qcow2", full_path)
converted_image_file_name = converted_image_path.split('/')[-1]
if osUtils.convert_vmdk_to_qcow2(full_path, converted_image_path):
logger.info("Converted vmdk image to qcow2!")
image.filePath = "user_images/%s" % converted_image_file_name
image.save()
logger.debug("Removing original vmdk")
osUtils.remove_instance(full_path)
else:
logger.error("Could not convert vmdk!")
if image_type == "junos_vre" and "jinstall64-vmx-15.1" in full_path:
logger.debug("Creating RIOT image for Junos vMX 15.1")
# lets replace the last "." with "_riot."
if '.' in file_path:
new_image_path = re.sub(r"(.*)\.(.*)$", r"\1_riot.\2",
full_path)
else:
# if there is no '.', let's just add one
new_image_path = full_path + "_riot.img"
new_image_file_name = new_image_path.split('/')[-1]
new_image_name = name + ' Riot PFE'
if osUtils.copy_image_to_clone(full_path, new_image_path):
logger.debug("Copied from %s" % full_path)
logger.debug("Copied to %s" % new_image_path)
n_image = Image()
n_image.name = new_image_name
n_image.type = "junos_riot"
n_image.description = image.description + "\nRiot PFE"
n_image.filePath = "user_images/" + new_image_file_name
n_image.save()
return image.id
except Exception as e:
logger.error("Caught Error in create_local_image")
logger.error(str(e))
raise
def create(request):
try:
logger.debug('---- Create Image ----')
image_form = ImageForm(request.POST, request.FILES)
if not image_form.is_valid():
logger.error("Could not save image for some reason!")
context = {'image_form': image_form}
return render(request, 'images/new.html', context)
# if not osUtils.checkPath(image_form.cleaned_data['path']):
# logger.debug("PATH DOESN'T EXIST")
# context = {'error' : "PATH DOESNT EXIST"}
# return render(request, 'error.html', context)
logger.debug("Saving form")
orig_image = image_form.save()
messages.info(request, "Image uploaded successfully")
image_type = request.POST["type"]
image_name = request.POST["name"]
full_path = orig_image.filePath.path
if re.match(".*\.vmdk$", full_path):
# we need to convert this for KVM based deployments!
converted_image_path = re.sub("\.vmdk$", ".qcow2", full_path)
converted_image_file_name = converted_image_path.split('/')[-1]
if osUtils.convert_vmdk_to_qcow2(full_path, converted_image_path):
logger.info("Converted vmdk image to qcow2!")
orig_image.filePath = "user_images/%s" % converted_image_file_name
orig_image.save()
logger.debug("Removing original vmdk")
osUtils.remove_instance(full_path)
else:
logger.error("Could not convert vmdk!")
if image_type == "junos_vre_15" and "jinstall64-vmx-15.1" in full_path:
logger.debug("Creating RIOT image for Junos vMX 15.1")
# lets replace the last "." with "_riot."
if '.' in full_path:
new_image_path = re.sub(r"(.*)\.(.*)$", r"\1_riot.\2",
full_path)
else:
# if there is no '.', let's just add one
new_image_path = full_path + "_riot.img"
new_image_file_name = new_image_path.split('/')[-1]
new_image_name = image_name + ' Riot PFE'
if osUtils.copy_image_to_clone(full_path, new_image_path):
logger.debug("Copied from %s" % full_path)
logger.debug("Copied to %s" % new_image_path)
image = Image()
image.name = new_image_name
image.type = "junos_riot"
image.description = orig_image.description + "\nRiot PFE"
image.filePath = "user_images/" + new_image_file_name
image.save()
return HttpResponseRedirect('/images')
except Exception as e:
logger.error(e)
messages.info(request, "Could not create image!")
return HttpResponseRedirect('/images/')
