def create_new_image(self, password, kernel, additional_packages,
release_version):
super().create_new_image()
# Checking all parameters
# Check name format
if not isinstance(password, str) or len(password.split()) > 1:
raise ValueError('Unexpected password format.')
# Check kernel attribute
if kernel not in KernelManager.get_available_kernels():
raise ValueError('Invalid kernel.')
# Set image attributes before creation
self.kernel = kernel
self.image = 'initramfs-kernel-' + self.kernel.replace('vmlinuz-', '')
self.password = password
if additional_packages is not None:
self.additional_packages = additional_packages
if release_version is not None:
self.release_version = release_version
self.NFS_DIRECTORY = NfsStagingImage.NFS_DIRECTORY + self.name + '/'
# Generate image files
self.generate_files()
def create_new_image(self, password, kernel, livenet_type, livenet_size,
additional_packages, ssh_pub_key, selinux,
release_version, optimize):
super().create_new_image()
# Checking all parameters
# Check name format
if not isinstance(password, str) or len(password.split()) > 1:
raise ValueError('Unexpected password format.')
# Check kernel attribute
if kernel not in KernelManager.get_available_kernels():
raise ValueError('Invalid kernel.')
# Check livenet type
if livenet_type is not LivenetImage.Type.STANDARD and livenet_type is not LivenetImage.Type.SMALL and livenet_type is not LivenetImage.Type.CORE:
raise ValueError('Invalid livenet type.')
# Check livenet size
if not isinstance(livenet_size, str) or int(
livenet_size) < LivenetImage.MIN_LIVENET_SIZE or int(
livenet_size) > LivenetImage.MAX_LIVENET_SIZE:
raise ValueError('Invalid livenet size')
# Set image attributes before creation
self.kernel = kernel
self.image = 'initramfs-kernel-' + self.kernel.replace('vmlinuz-', '')
self.password = password
self.livenet_type = livenet_type
self.livenet_size = livenet_size
self.selinux = selinux
self.optimize = optimize
if ssh_pub_key is not None:
self.ssh_pub_key = ssh_pub_key
if additional_packages is not None:
self.additional_packages = additional_packages
if release_version is not None:
self.release_version = release_version
# A livenet can be mounted on it's personnal mount directory
# in order to perform actions on it.
self.is_mounted = False
# Set up working and mount image directories
self.WORKING_DIRECTORY = self.WORKING_DIRECTORY + self.name + '/'
self.MOUNT_DIRECTORY = self.WORKING_DIRECTORY + 'mnt/'
# Generate image files
self.generate_files()
def cli_create_livenet_image():
# Get available kernels
kernel_list = KernelManager.get_available_kernels()
# If there are no kernels aise an exception
if not kernel_list:
raise UserWarning('No kernel available')
# Condition to test if image name is compliant
while True:
printc('[+] Give a name for your image', Color.GREEN)
# Get new image name
selected_image_name = input('-->: ').replace(" ", "")
if selected_image_name == '':
raise UserWarning('Image name cannot be empty !')
if not ImageManager.is_image(selected_image_name):
break
# Else
print('Image ' + selected_image_name +
' already exist, use another image name.')
# Select the kernel to use
printc('\n[+] Select your kernel:', Color.GREEN)
selected_kernel = select_from_list(kernel_list)
# Manage password
printc('\n[+] Give a password for your image', Color.GREEN)
selected_password = input(
'Enter clear root password of the new image: ').replace(" ", "")
# Select livenet type
types_list = [
'Standard: core (~1.3Gb)',
'Small: openssh, dnf and NetworkManager (~300Mb)',
'Minimal: openssh only (~270Mb)'
]
get_type = select_from_list(types_list)
if get_type == 'Standard: core (~1.3Gb)':
selected_type = LivenetImage.Type.STANDARD
elif get_type == 'Small: openssh, dnf and NetworkManager (~300Mb)':
selected_type = LivenetImage.Type.SMALL
elif get_type == 'Minimal: openssh only (~270Mb)':
selected_type = LivenetImage.Type.CORE
else:
raise UserWarning('Not a valid choice !')
# Select livenet size
printc(
'\nPlease choose image size:\n(supported units: M=1024*1024, G=1024*1024*1024)\n(Examples: 5120M or 5G)',
Color.GREEN)
selected_size = input('-->: ')
# Check and convert the size
image_size = cli_get_size(selected_size)
# Check size compliance with livenet image expected size limits
if int(image_size) < (LivenetImage.MIN_LIVENET_SIZE) or int(image_size) > (
LivenetImage.MAX_LIVENET_SIZE):
raise UserWarning('\nSize out of limits !')
# Inject ssh key or not
printc(
'\nEnter path to SSH public key (left empty to disable key injection)',
Color.GREEN)
selected_ssh_pub_key = input('-->: ')
if selected_ssh_pub_key != '' and not os.path.exists(selected_ssh_pub_key):
raise UserWarning('\nSSH public key not found ' + selected_ssh_pub_key)
if selected_ssh_pub_key == '':
selected_ssh_pub_key = None
# Activate SELinux or not
printc('\nActivate SELinux inside the image (yes/no) ?', Color.GREEN)
answer_selinux = input('-->: ')
if answer_selinux == 'yes':
selinux = True
elif answer_selinux == 'no':
selinux = False
else:
raise UserWarning('\nInvalid input !')
# Propose to user to install additional packages
printc(
'\nDo you want to customize your image with additional packages (yes/no) ? ',
Color.GREEN)
choice = input('-->: ')
# Install additional packages
if choice == 'yes':
# Get package list from user
additional_packages = Image.cli_add_packages()
# Don't install additional packages
elif choice == 'no':
additional_packages = None
else:
raise UserWarning('\nInvalid entry !')
# Propose to user to specify a release version
printc(
'\nSpecify a release version for installation (left empty to not use the --relasever option)',
Color.GREEN)
release_version = input('-->: ')
if release_version == '':
release_version = None
# Propose to optimize image packages
printc(
'\nDo you wish tool try to optimize image by using aggressive packages dependencies parameters ? ',
Color.GREEN)
printc(
'Note that this may collide with additional packages if asked for. (yes/no) ? ',
Color.GREEN)
answer_optimize = input('-->: ')
if answer_optimize == 'yes':
optimize = True
elif answer_optimize == 'no':
optimize = False
else:
raise UserWarning('\nInvalid input !')
# Confirm image creation
printc(
'\n[+] Would you like to create a new livenet image with the following attributes: (yes/no)',
Color.GREEN)
print(' ├── Image name: \t\t' + selected_image_name)
print(' ├── Image password: \t\t' + selected_password)
print(' ├── Image kernel: \t\t' + selected_kernel)
print(' ├── Image type: \t\t' + get_type)
print(' ├── Image size: \t\t' + selected_size)
print(' ├── Optimize packages: \t' + str(optimize))
# Print ssh pub key packages if there is one
if selected_ssh_pub_key is not None:
print(' ├── SSH pubkey: \t\t' + selected_ssh_pub_key)
# Print additional packages if there is
if additional_packages is not None:
print(' ├── Additional packages: \t' + str(additional_packages))
# Print release version if there is one
if release_version is not None:
print(' ├── Release version: \t\t' + release_version)
print(' └── Enable SELinux: \t\t' + str(selinux))
confirmation = input('-->: ').replace(" ", "")
if confirmation == 'yes':
# Create the image object
LivenetImage(selected_image_name, selected_password, selected_kernel,
selected_type, image_size, additional_packages,
selected_ssh_pub_key, selinux, release_version, optimize)
printc('\n[OK] Done.', Color.GREEN)
elif confirmation == 'no':
printc('\n[+] Image creation cancelled, return to main menu.',
Color.YELLOW)
return
else:
raise UserWarning('\nInvalid confirmation !')
'\' definitively (yes/no) ?', Color.RED)
# get confirmation from user
confirmation = input('-->: ').replace(" ", "")
if confirmation == 'yes':
# Remove image
ImageManager.remove_image(image)
printc('\n[OK] Done.', Color.GREEN)
elif confirmation == 'no':
printc('\n[+] Image deletion cancelled', Color.YELLOW)
# Change the kernel of an existing image
elif main_action == '4':
KernelManager.cli_change_kernel()
printc('\n[OK] Done.', Color.GREEN)
# Display available kernels for image
elif main_action == '5':
KernelManager.cli_display_kernels()
printc('\n[OK] Done.', Color.GREEN)
# Generate a new initramfs file from an existing kernel
elif main_action == '6':
selected_kernel = KernelManager.cli_select_kernel()
KernelManager.generate_initramfs(selected_kernel)
printc('\n[OK] Done.', Color.GREEN)
# Clean an image
elif main_action == '7':
def cli_create_staging_image():
# Get available kernels
kernel_list = KernelManager.get_available_kernels()
# If there are no kernels aise an exception
if not kernel_list:
raise UserWarning('No kernel available')
# Condition to test if image name is compliant
while True:
printc('[+] Give a name for your image', Color.GREEN)
# Get new image name
selected_image_name = input('-->: ').replace(" ", "")
if selected_image_name == '':
raise UserWarning('Image name cannot be empty !')
if not ImageManager.is_image(selected_image_name):
break
# Else
print('Image ' + selected_image_name +
' already exist, use another image name.')
# Select the kernel to use
printc('\n[+] Select your kernel:', Color.GREEN)
selected_kernel = select_from_list(kernel_list)
# Manage password
printc('\n[+] Give a password for your image', Color.GREEN)
selected_password = input(
'Please enter clear root password of the new image: ').replace(
" ", "")
# Propose to user to install additional packages
printc(
'\nDo you want to customize your image with additional packages? (yes/no)',
Color.GREEN)
choice = input('-->: ')
# Install addictional packages
if choice == 'yes':
# Get package list from user
additional_packages = Image.cli_add_packages()
# Don't install additional packages
elif choice == 'no':
additional_packages = None
else:
raise UserWarning('\nInvalid entry !')
# Propose to user to specify a release version
printc(
'\nSpecify a release version for installation (left empty to not use the --relasever option)',
Color.GREEN)
release_version = input('-->: ')
if release_version == '':
release_version = None
# Confirm image creation
printc(
'\n[+] Would you like to create a new nfs staging image with the following attributes: (yes/no)',
Color.GREEN)
print(' ├── Image name: \t\t' + selected_image_name)
print(' ├── Image password : \t\t' + selected_password)
# Print additional packages if there is
if additional_packages is not None:
print(' ├── Additional packages: \t' + str(additional_packages))
# Print release version if there is one
if release_version is not None:
print(' ├── Release version: \t\t' + release_version)
print(' └── Image kernel: \t\t' + selected_kernel)
confirmation = input('-->: ').replace(" ", "")
if confirmation == 'yes':
# Create the image object
NfsStagingImage(selected_image_name, selected_password,
selected_kernel, additional_packages, release_version)
printc('\n[OK] Done.', Color.GREEN)
elif confirmation == 'no':
printc('\n[+] Image creation cancelled, return to main menu.',
Color.YELLOW)
return
else:
raise UserWarning('\nInvalid confirmation !')