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usr
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lib
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python3.6
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site-packages
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cloudinit
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net
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__pycache__
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Editing: cmdline.cpython-36.pyc
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3 \�me-$ � @ s� d dl Z d dlZd dlZd dlZd dlZd dlZd dlZd dlZd dlm Z d dl m Z m Z dZ dZeje�ZG dd� de jd�ZG d d � d e�ZegZdd d �Zd d� Zddd�Zdd� Zdd� Zdd� Zddd�Z dS ) � N)�util)�get_devicelist�read_sys_net_safez#/run/initramfs/open-iscsi.interface�disabledc @ s8 e Zd ZdZejed�dd��Zejed�dd��Z dS )� InitramfsNetworkConfigSourcezBABC for net config sources that read config written by initramfses)�returnc C s dS )zAIs this initramfs config source applicable to the current system?N� )�selfr r � /usr/lib/python3.6/cmdline.py� is_applicable s z*InitramfsNetworkConfigSource.is_applicablec C s dS )z;Render a v1 network config from the initramfs configurationNr )r r r r � render_config" s z*InitramfsNetworkConfigSource.render_configN) �__name__� __module__� __qualname__�__doc__�abc�abstractmethod�boolr �dictr r r r r r s r )� metaclassc @ s6 e Zd ZdZd dd�Zed�dd�Zed�dd �ZdS ) �KlibcNetworkConfigSourcez�InitramfsNetworkConfigSource for klibc initramfs (i.e. Debian/Ubuntu) Has three parameters, but they are intended to make testing simpler, _not_ for use in production code. (This is indicated by the prepended underscores.) Nc C st || _ || _|| _| j d kr$t� | _ | jd kr8tj� | _| jd krpi | _x&t� D ] }t|d�}|rP|| j|< qPW d S )N�address)�_files� _mac_addrs�_cmdline�_get_klibc_net_cfg_filesr � get_cmdliner r )r r r r �kZmac_addrr r r �__init__/ s z!KlibcNetworkConfigSource.__init__)r c C s> | j r:x"tj| j�D ]}|jd�rdS qW tjjt�r:dS dS )aD Return whether this system has klibc initramfs network config or not Will return True if: (a) klibc files exist in /run, AND (b) either: (i) ip= or ip6= are on the kernel cmdline, OR (ii) an open-iscsi interface file is present in the system �ip=�ip6=TF)r r ) r �shlex�splitr � startswith�os�path�exists�_OPEN_ISCSI_INTERFACE_FILE)r �itemr r r r A s z&KlibcNetworkConfigSource.is_applicablec C s t | j| jd�S )N)�files� mac_addrs)�config_from_klibc_net_cfgr r )r r r r r T s z&KlibcNetworkConfigSource.render_config)NNN) r r r r r r r r r r r r r r ' s r c C s� |dkr i }t j| �}y d|kr(|d n|d }W n, tk r^ } ztd�|�W Y dd}~X nX |jd|jd��}|s�|jd�r�d}nd }|d!kr�td | ��d |g d �}||kr�|| |d< �x,d"D �]"}|d |kr�q�|j|d |�}|d k� r�d}|dd�} |dk�r ||d | d< x0d#D ](} || |k�r"||| | | j� < �q"W g } xDd$D ]<} |j|| �} | �rXt| jd���rX| j||| � �qXW | �r�| | d < |jd �}|�r�d |k�r�|j d �| d < n |j � | d < |d j| � q�W ||fS )%a� Convert a klibc written shell content file to a 'config' entry When ip= is seen on the kernel command line in debian initramfs and networking is brought up, ipconfig will populate /run/net-<name>.cfg. The files are shell style syntax, and examples are in the tests provided here. There is no good documentation on this unfortunately. DEVICE=<name> is expected/required and PROTO should indicate if this is 'none' (static) or 'dhcp' or 'dhcp6' (LP: #1621507). note that IPV6PROTO is also written by newer code to address the possibility of both ipv4 and ipv6 getting addresses. Full syntax is documented at: https://git.kernel.org/pub/scm/libs/klibc/klibc.git/plain/usr/kinit/ipconfig/README.ipconfig NZDEVICEZDEVICE6z&no 'DEVICE' or 'DEVICE6' entry in dataZPROTOZ IPV6PROTO�filename�dhcp�none�dhcp6z Unexpected value for PROTO: %sZphysical)�type�name�subnets� mac_address�IPV4�IPV6ZADDRZstaticZmanual)r0 Zcontrolr �NETMASK� BROADCAST�GATEWAY�DNS0�DNS1z:.0Zdns_nameserversZ DOMAINSEARCH�,Z dns_searchr2 )r. r- r/ )r4 r5 )r6 r7 r8 )r9 r: ) r Zload_shell_content�KeyError� ValueError�get�lower�len�strip�appendr" )Zcontentr* �datar1 �e�protoZifaceZpreZ cur_protoZsubnet�keyZdnsZnskey�ns�searchr r r �_klibc_to_config_entry^ sZ rI c C s t j d�t j d� S )Nz/run/net-*.confz/run/net6-*.conf)�globr r r r r � s r c C s� | d krt � } g }i }x�| D ]�}ttj|�|d�\}}||kr�|| d }|jd�|jd�kr�tdj|dj|| d �|jd�|jd�d���|d j|d � || d j |� q |g|d �||< |j |� q W |d d �S ) N)r* �entryr3 zedevice '{name}' was defined multiple times ({files}) but had differing mac addresses: {old} -> {new}.� r) )r1 r) �old�newr2 )r) rK � )�config�version) r rI r Z load_filer> r= �format�join�extendrB )r) r* Zentries�namesZcfg_filer1 rK �prevr r r r+ � s* r+ c C s( x"t D ]} | � }|j� sq|j� S W dS )a Return v1 network config for initramfs-configured networking (or None) This will consider each _INITRAMFS_CONFIG_SOURCES entry in turn, and return v1 network configuration for the first one that is applicable. If none are applicable, return None. N)�_INITRAMFS_CONFIG_SOURCESr r )Zsrc_clsZ cfg_sourcer r r �read_initramfs_config� s rX c C s^ t j| ��J}d }z0ytjd|d�}|j� S tk r< | S X W d |rN|j� X W d Q R X d S )N�rb)�modeZfileobj)�io�BytesIO�gzipZGzipFile�read�IOError�close)�blobZiobufZgzfpr r r � _decomp_gzip� s rb c C s< yt j| �}W n$ ttfk r2 tjd| � dS X t|�S )z�Decode a string base64 encoding, if gzipped, uncompress as well :return: decompressed unencoded string of the data or empty string on unencoded data. z`Expected base64 encoded kernel commandline parameter network-config. Ignoring network-config=%s.� )�base64Z b64decode� TypeErrorr= �LOG�errorrb )rC ra r r r �_b64dgz� s rh c C sn | d krt j� } d| krjd }x*| j� D ] }|jd�r&|jdd�d }q&W |rj|tkr\ddiS t jt|��S d S )Nznetwork-config=�=rO rP r )r r r" r# �&KERNEL_CMDLINE_NETWORK_CONFIG_DISABLEDZ load_yamlrh )ZcmdlineZdata64�tokr r r �read_kernel_cmdline_config s rl )N)NN)N) r rd rJ r] r[ Zloggingr$ r! Z cloudinitr Z cloudinit.netr r r' rj Z getLoggerr rf �ABCMetar r rW rI r r+ rX rb rh rl r r r r �<module> s, 4 ]
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