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'_source_path' is added to every dictionary entry to define which file the configration information came from. :param ifaces: interface dictionary :param contents: contents of interfaces file :param src_dir: directory interfaces file was located :param src_path: file path the `contents` was read N�#r0 r zsource-directory� �/c s@ g | ] }t j�t j�� |��r t�d |�durt j�� |��qS )z^[a-zA-Z0-9_-]+$N)�os�path�isfiler7 �re�match)�.0rp �� expanded_pathrB rC � <listcomp>� s � �z*_parse_deb_config_data.<locals>.<listcomp>�r�sourcerb � _source_pathTr< � �familyz:Interface %s can only be defined once. Re-defined in '%s'.�methodrQ �ether� zdns-�dnsz dns-search�searchzdns-nameservers� nameservers�bridge_rS � � bridge_ports�ports� bridge_hw�macrM �pathcostrN �portpriozbond-rR F)� splitlines�strip� startswith�splitro rp r7 �glob�listdir�open�read�abspath�_parse_deb_config_data�dirnamer �NET_CONFIG_OPTIONS�NET_CONFIG_COMMANDSr9 �NET_CONFIG_BRIDGE_OPTIONSr8 �lower�keys)�ifaces�contents�src_dir�src_path�currif�liner� �option�parsed_src_dir� dir_contents�entry�fp�src_data� abs_entry� new_src_path�abs_pathr< r| r} �val�domainr# � bridge_option� bond_optionrB ru rC r� � s� � � ��� � ���� ��� " � � � � � ��r� c C s` i }t | d��}|�� �� }W d � n1 sw Y tj�| �}t||tj�|�|� |S )z+Parses a debian network configuration file.rx N)r� r� r� ro rp r� r� r� )rp r� r� r� r� rB rB rC �parse_deb_config7 s � �r� c C s i }t || d d d� t|�S )N)r� r� )r� �_ifaces_to_net_config_data)�eni_datar� rB rB rC �convert_eni_dataC s r� c s4 i � | � � D ]�\}}|�d�d }|� vr2|dkr d}nd}||g d�� |< d|v r2|d � | d< ||d d �}|�d �rCd |d < nd |d < |�d �dkrT|d |d< dD ] }||v rb|| ||< qVd|v r�dD ]}||d v r�|d | r�|d | |d| < qi� | d �|� qd� fdd�t� �D �d�S )z�Return network config that represents the ifaces data provided. ifaces = parse_deb_config("/etc/network/interfaces") config = ifaces_to_net_config_data(ifaces) state = parse_net_config_data(config).�:r �lo�loopback�physical)r5 rK rL rQ rP r} )�_orig_eni_namer5 rb rE �manual�staticr )r r r r� )r� r� �dns_rL rm c s g | ]}� | �qS rB rB )rt �d��devsrB rC rw p � z._ifaces_to_net_config_data.<locals>.<listcomp>)�version�config)r4 � partitionr[ r9 r; )r� rK �data�devname�dtyper= �copy_key�nrB r� rC r� J s6 �� r� c @ sX e Zd ZdZddd�Zddd�Zdd d �Zdd d �Z dd ede e ddfdd�Z dS )�Rendererz@Renders network information in a /etc/network/interfaces format.Nc C s6 |si }|� dd�| _|� dd �| _|� dd�| _d S )N�eni_path�etc/network/interfaces� eni_header� netrules_pathz(etc/udev/rules.d/70-persistent-net.rules)r[ r� r� r� )�selfr� rB rB rC �__init__v s �zRenderer.__init__r� c C sH g }|d }|d }d}ddd�}d}|d d kr"|d d kr"d }n|d d kr0|d dkr0d}d} dD ][} |r=| dkr=q4| dkrO| d||| || f 7 } q4| |v r�| dkr�d|| v rb| d7 } n|� d �dkrn| d7 } n| d7 } d |v r�| d|| |d f 7 } q4| d|| || f 7 } q4|�|| | � |�|| | � |S )a� When rendering routes for an iface, in some cases applying a route may result in the route command returning non-zero which produces some confusing output for users manually using ifup/ifdown[1]. To that end, we will optionally include an '|| true' postfix to each route line allowing users to work with ifup/ifdown without using --force option. We may at somepoint not want to emit this additional postfix, and add a 'strict' flag to this function. When called with strict=True, then we will not append the postfix. 1. http://askubuntu.com/questions/168033/ how-to-set-static-routes-in-ubuntu-server zpost-up route addzpre-down route delz || true�gwr )r r r� r z0.0.0.0r z defaultz::r/ r z -A inet6 default)r r r r z%s %s %sr� z -A inet6� z -hostz -netz %s/%sz %s %s)r[ r9 ) r� �route�indentr> r r �or_true�mapping� default_gw� route_line�krB rB rC � _render_route sB � ��zRenderer._render_routeFc s g }� � di �}� �dd �}� �dd �}|rd� d< |r�t|�D ]�\}}d } |� d< |d � d< |� d d �� d < d } t|�rC| d 7 } n|� d �} | � d < |d dks^|d dks^|d dkrod� d< |d urn|rjdnd� d< n2|d dkr~d � d< d� d< n#|d dkr�d � d< d� d< nt|�r�d� d< |d ur�|r�dnd� d< d� fdd�|D �v r�d� d < tt� ||d �t� |� t� || � �} |� d g �D ] } | �| j | d d �� q�|� | � q |S g } d � v s�d!� v r�| � d"j d&i � ��� | � d#j d&i � ��� | �t� d$d d%�� |� | � |S )'NrL z accept-ra� wakeonlan�gz ethernet-wolrH r5 rJ rE rb rI �6r �dhcp4�dhcp6zipv6_dhcpv6-stateful�dhcp�1�0� accept_razipv6_dhcpv6-stateless� ipv6_slaacr� Tc s g | ] }d � d |v �qS )zauto %srK rB )rt r� �r< rB rC rw � s �z*Renderer._render_iface.<locals>.<listcomp>�alias�rh �routesz )r� z bond-masterz bond-slavesz auto {name}ziface {name} {inet} {mode}r )rH r\ rB ) r[ �pop� enumerater r6 rk rD ra �extendr� r9 r: ) r� r< rh �sectionsrL r� � ethernet_wolrH r= r\ � subnet_inetrj r� rB r� rC � _render_iface� sx � ��� �� � � zRenderer._render_ifacec s dddddd�gd�}|� � D ]}|�d�dkr t�|�}q|j}|r.d �|�|d d d < |j}|r>d �|�|d d d < d dddddd�� g }|�| �|�� t |� � � fdd�d�D ]}|�d�dkrgq]|�| j||d�� q]|� � D ] }|� | � |�� qvd�dd� |D ��d S ) z1Given state, emit etc/network/interfaces content.r� r� rI r� rb )r5 rE )rK r5 rI rL rK r0 rL r r. r- rm r � r{ � )r� r� rT rR rS rU c s � | d | d fS )Nr5 rK rB )r� ��orderrB rC �<lambda>& r� z-Renderer._render_interfaces.<locals>.<lambda>)r@ r� z c S s g | ]}d � |��qS )� )r7 )rt �srB rB rC rw 2 s z/Renderer._render_interfaces.<locals>.<listcomp>r� ) �iter_interfacesr[ rf �deepcopyr. r7 �dns_searchdomainsr� r� r; � iter_routesr9 r� ) r� � network_staterh r� r< r� � searchdomainsr� r� rB r� rC �_render_interfaces sH � �� � � zRenderer._render_interfacesr� � templates�returnc C s� t �|| j�}t�tj�|�� | jr| jnd}t� ||| � |� � | j rAt �|| j �}t�tj�|�� t� || � |�� d S d S )Nr� ) r � target_pathr� r � ensure_dirro rp r� r� � write_filer� r� �_render_persistent_net)r� r� r� �target�fpeni�header�netrulesrB rB rC �render_network_state4 s ��z Renderer.render_network_state�N)r� �F)NN) �__name__� __module__� __qualname__�__doc__r� r� r� r� r r �dictr rB rB rB rC r� s s 4 M7����r� c C sF d}t ||d d�d�}|sd}|�d�s|d7 }|j| |d�}|| S )Nr� )r� r� r� )r� r� r� r� )r� �endswithr� )r� r rh r� r r� rB rB rC �network_state_to_eniG s �� �r c C sP g d�}ddg}|D ] }t j||| d�s dS q t �| d�}tj�|�s&dS dS )N)�ifquery�ifup�ifdownz/sbinz /usr/sbin)r� r Fr� T)r �whichr� ro rp rq )r �expectedr� �p�enirB rB rC � available[ s � r r )NFr )!rf r� ro rr �typingr � cloudinitr �loggingr r � cloudinit.netr r r �cloudinit.net.network_stater � getLoggerr rY r� r� r� rD ra rk r� r� r� r� r� r r rB rB rB rC �<module> s2 < ) U
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