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frr-reload.cpython-39.opt-1.pyc
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Multiple commands may be passed as list. �r# r N�UTF-8z)vtysh returned status %d for command "%s") r3 r% �PIPE� communicate�wait�append�decoder � returncode)r r2 �stdouts�procr# r$ r r r �__call__V s �zVtysh.__call__c C s& | d�}d|v r"t �d| � dS dS )z� Return False if no frr daemon is running or some other vtysh session is in 'configuration terminal' mode which will prevent us from making any configuration changes. � configurez(VTY configuration is locked by other VTYz vtysh 'configure' returned %s FT)�log�error)r �outputr r r �is_config_availableg s zVtysh.is_config_availablec C s, | � d|g�}|�� dkr(td|j ��d S )N�-fr z'vtysh (exec file) exited with status %d)r) r8 r r; )r �filename�childr r r � exec_filev s �zVtysh.exec_filec C s� | j dd|gtjtjtjd�}z|�� \}}W n0 tjy^ |�� |�� \}}td��Y n0 |�� dkr~td|j|f ��|� d�S )N�-mrD )r# r" r$ zvtysh call timed out!r z+vtysh (mark file) exited with status %d: %sr5 ) r) r% r6 r7 ZTimeoutExpired�killr r8 r; r: )r rE r" rF r# r$ r r r � mark_file} s& � ��zVtysh.mark_filec C s� d}|r|d| 7 }|d7 }| j |tjd�}| jg d�|jtjd�}|�� |�� \}}|�� |jdkrxtd|j ��|jdkr�td |j ��|� d �S ) Nzshow running-configz %sz no-headerr4 )rH rD �-)r" r# r z2vtysh (show running-config) exited with status %d:z1vtysh (mark running-config) exited with status %dr5 ) r3 r% r6 r) r# r8 r7 r; r r: )r �daemon�cmdZshow_runZmarkr# r$ r r r � mark_show_run� s, � �� �zVtysh.mark_show_run)NNNN)NNN)NNN)N)N)N) r r r r! r) r3 r> rC rG rJ rN r r r r r 8 s r c @ s( e Zd ZdZdd� Zdd� Zdd� ZdS ) �Contexta A Context object represents a section of frr configuration such as: ! interface swp3 description swp3 -> r8's swp1 ipv6 nd suppress-ra link-detect ! or a single line context object such as this: ip forwarding c C s, || _ || _t� | _|D ]}d| j|< qd S )NT)�keys�linesr �dlines)r rP rQ �ligner r r r! � s zContext.__init__c C s t | j�d t | j� S )Nz : )�strrP rQ �r r r r �__str__� s zContext.__str__c C s$ | j �|� |D ]}d| j|< qdS )z0 Add lines to specified context TN)rQ r rR )r rQ rS r r r � add_lines� s zContext.add_linesN)r r r �__doc__r! rV rW r r r r rO � s rO c C sD ddg}|D ]2}t �|d | �}|r d||�d��� f } q@q | S )zD The es-id or es-sys-mac need to be converted to lower case z evpn mh es-idzevpn mh es-sys-macz (?P<esi>\S*)z%s %sZesi)�re�match�group�lower)�lineZsub_strsZsub_str�objr r r �get_normalized_es_id� s r_ c C s& | � d�rt| �S d| vr"t| �S | S )Nz evpn mh eszipv6 add)� startswithr_ �get_normalized_ipv6_line)r] r r r �get_normalized_mac_ip_line� s rb c @ sH e Zd ZdZdd� Zdd� Zdd� Zdd � Zd d � Zd d � Z dd� Z dS )�Configz� A frr configuration is stored in a Config object. A Config object contains a dictionary of Context objects where the Context keys ('router ospf' for example) are our dictionary key. c C s g | _ t� | _|| _d S r )rQ r �contextsr )r r r r r r! � s zConfig.__init__c C s� t �d|� | j�|�}|�d�D ]�}|�� }d�|�� �}d|v rLt|�}|�d�s`|�d�r�d|v r�|�d�}|� d�}|| d ||d }|||d �= d�|�}| j � |� | j � |� | j � d � d }| j � |� q"| � � d S )z� Read configuration from specified file and slurp it into internal memory The internal representation has been marked appropriately by passing it through vtysh with the -m parameter z"Loading Config object from file %s� � �:� ip route � ipv6 route z vrf �vrf� � �exit-vrf�endN) r@ �infor rJ �split�stripr rb r` �indexrQ r9 � load_contexts)r rE Z file_outputr] �newlineZ vrf_indexZvrf_ctxr r r �load_from_file� s0 ��� zConfig.load_from_filec C s\ t �d� | j�|�}|�d�D ].}|�� }|dks |dks |sBq | j�|� q | �� dS )z� Read running configuration and slurp it into internal memory The internal representation has been marked appropriately by passing it through vtysh with the -m parameter z-Loading Config object from vtysh show runningre zBuilding configuration...zCurrent configuration:N) r@ ro r rN rp rq rQ r9 rs )r rL Z config_textr] r r r �load_from_show_running, s ���z Config.load_from_show_runningc C s d� | j�S )zA Return the lines read in from the configuration re )r rQ rU r r r � get_linesD s zConfig.get_linesc C s( t t| j��D ]\}}tt|�� qdS )zL Return the parsed context as strings for display, log etc. N)�sortedr rd �printrT )r �_�ctxr r r � get_contextsJ s zConfig.get_contextsc C sL |sdS t �d|d �}|rz|�d�}d|v rzz8t|dd�}d|�d �t|j�|j|�d �f |d< W n tyx Y n0 t �d |d �}|�rP|�d �}d|v r�z$t|dd�}d t|j�|jf }W q� ty� |}Y q�0 n|}|�d�}t �d|�}|�r(d|�d �|�d �|�d�|�d �f }d|�d �|�d�|�d �||f |d< |�r|d � d��rg } |D ]�} t �d| �} | �r| �d �}d|v�r�|d � d��r�|d }z6t|dd�}dt|j�|j| �d�f } | � | � W n t�y | � | � Y n0 n | � | � �qn| }|d � d��sH|d � d��r^d|d v �r^t � dd|d �|d< |�r�|d � d��r�g } |D ]L} | � d ��s�| � d ��r�d| v �r�t � dd| �} | � | � n | � | � �q|| }|�r t |�| j v�rtt |�|�} | | j t |�< n| j t |� } | �|� n,t |�| j v�rHtt |�g �} | | j t |�< dS ) z> Save the provided key and lines as a context Nz*(ip|ipv6)\s+route\s+([A-Fa-f:.0-9/]+)(.*)$r rl �/F��strictz%s route %s/%s%srk � zA(ip|ipv6)\s+prefix-list(.*)(permit|deny)\s+([A-Fa-f:.0-9/]+)(.*)$� �%s/%s� z (.*)le\s+(\d+)\s+ge\s+(\d+)(.*)z%sge %s le %s%sz%s prefix-list%s%s %s%s� router bgpz network\s+([A-Fa-f:.0-9/]+)(.*)$z/8znetwork %s/%s %s�ip route� ipv6 routeZnull0z\s+null0(\s*$)z Null0�vrf rh ri )rY rZ r[ r rT �network_address� prefixlen� ValueError�searchr` r9 r, �tuplerd rO rW ) r �keyrQ Z re_key_rt�addrZnewaddrZ network_addrZlegestrZre_lege�newlinesr] Zre_netr{ r r r � save_contextsQ s� � � � �� � � � � zConfig.save_contextsc C s6 di ii i i i i i d�i i i i i i i i ddi iidi idi ii di ii i di ii i i d �d �d d i iid �i i i i i i d�i d�}g }|g}g }| j D �]~}|s�q�|�d�s�|�d�r�q�|�d��rt|�dkr�q�| �||� t�d||� |�� |�� g }q�|�d��rNt|�dkr�| �||� t�d||� |�� |�� g }�qq�d}|d �� D ]l\}}|�|��r^|dk�r�d|v �r� �q�| �||� d}|�|� |�|� g }t�d||� �q̐q^|�r�q�t|�dk�r�t�d|� | �|gg � q�t�d ||� |�|� q�t|�dk�r2| �||� d S ) a� Parse the configuration and create contexts for each appropriate block The end of a context is flagged via the 'end' keyword: ! interface swp52 ipv6 nd suppress-ra link-detect ! end router bgp 10 bgp router-id 10.0.0.1 bgp log-neighbor-changes no bgp default ipv4-unicast neighbor EBGP peer-group neighbor EBGP advertisement-interval 1 neighbor EBGP timers connect 10 neighbor 2001:40:1:4::6 remote-as 40 neighbor 2001:40:1:8::a remote-as 40 ! end address-family ipv6 neighbor IBGPv6 activate neighbor 2001:10::2 peer-group IBGPv6 neighbor 2001:10::3 peer-group IBGPv6 exit-address-family ! end router ospf ospf router-id 10.0.0.1 log-adjacency-changes detail timers throttle spf 0 50 5000 ! end The code assumes that its working on the output from the "vtysh -m" command. That provides the appropriate markers to signify end of a context. This routine uses that to build the contexts for the config. There are single line contexts such as "log file /media/node/zebra.log" and multi-line contexts such as "router ospf" and subcontexts within a context such as "address-family" within "router bgp" In each of these cases, the first line of the context becomes the key of the context. So "router bgp 10" is the key for the non-address family part of bgp, "router bgp 10, address-family ipv6 unicast" is the key for the subcontext and so on. This dictionary contains a tree of all commands that we know start a new multi-line context. All other commands are treated either as commands inside a multi-line context or as single-line contexts. This dictionary should be updated whenever a new node is added to FRR. �vni )�address-family z vnc defaultszvnc nve-group z vnc l2-group z vrf-policy z bmp targets zsegment-routing srv6r� � interface zmember pseudowire zkey z link-params�candidate-path )�pcczpce z pce-config )z segment-list �policy �pcepZlocatorszlocator )z traffic-engZsrv6)zpeer zprofile )z router bgp z router ripz router ripngz router isis zrouter openfabric z router ospfz router ospf6z router eigrp z router babel�mpls ldpzl2vpn z key chain r� r� z pseudowire �segment-routingznexthop-group z route-map zpbr-map ZrpkiZbfd�line vty�!�#�exitr z LINE %-50s: exit context %-50srn F���ZexplicitTz LINE %-50s: enter context %-50sz LINE %-50s: single-line contextz(LINE %-50s: add to current context %-50sN) rQ r` �lenr� r@ �debug�popr r9 ) r Z ctx_keywords�ctx_keysZcur_ctx_keywordsZ cur_ctx_linesr] Znew_ctx�k�vr r r rs � s� :�� � ��+ zConfig.load_contextsN) r r r rX r! ru rv rw r| r� rs r r r r rc � s 2{rc c C sH g }|r�t | �D ]\}}|�d| | � q|�� }t| �d }|r~|�d�rj|�d||dd� f � q�|�d||f � n|�|| � n�t | dd� �D ] \}}|�dd| |f � q�|�r"| d �d�r�|�ddt| �d | d dd� f � n"|�ddt| �d | d f � n"|�ddt| �d | d f � |S ) z; Return the command as it would appear in frr.conf rf �no z%s%sr� Nz%sno %sr� rk )� enumerater9 �lstripr� r` )r� r] �deleterM �iZctx_key�indentr r r �lines_to_config� s& ,$"r� c C s� d}| � d�}|D ]�}d|v r�d}d|v rbz$t|dd�}dt|j�|jf }W n ty` Y n0 |s�zd t|� }W q� ty� |}Y q�0 n|}|d | }q|�� S ) z� Return a normalized IPv6 line as produced by frr, with all letters in lower case and trailing and leading zeros removed, and only the network portion present if the IPv6 word is a network r rf rg Nr} Fr~ r� z%s)rp r rT r� r� r� r rq )r] Z norm_line�wordsZwordZ norm_wordZv6wordr r r ra � s, � ra Tc C s> | D ]4\}}||kr|r(||kr8 dS q|� |�r dS qdS )NTF�r` )rQ Ztarget_ctx_keysZ target_lineZ exact_matchr� r] r r r � line_exist� s r� c C s� d}d}| D ]j\}}|dkrB|d |krB|f}| � ||df� d}|d �d�rn|rn|dkrjd}|d }nd}|d7 }q |D ]*\}}|dkr|t| ||�r||�||f� q|| |fS )NFr Trm rj rk )�insertr` r� �remove)� lines_to_add� lines_to_delZ add_exit_vrfrr r� r] Z prior_ctx_keyZ insert_keyr r r �check_for_exit_vrf� s& r� c C s� d}d}| D ]L\}}|d � d�r6|s6d|d vr6d}|d � d�r |s d|d v r d}q |r�|r�| D ]B\}}|d � d�rf|sfd|d vrf| �||f� | �||f� qfd S )NFr r� rj T)r` r� r9 )r� Zbgp_defult_instZ bgp_vrf_instr� r] r r r �bgp_delete_inst_move_line� s, �� � �� �r� c C sN t � }d}| D ]�\}}|d �d�r|r|�d�r|d |vrLt � ||d < t�d|�}|r|�d�||d vrt� dd�||d |�d�< d}q|du r�d S | D ]�\}}|d �d�r�|r�|�d�r�|d |v r�||d D ]�}d | }t�||�}|�rd||d | d < d | } t�| |�} | r�| �d�||d | vr�||d | d �| �d�� q�q�g } | D ]�\}}|d �d��rr|�rr|�d��rrd } t�| |�} | �rr|d |v �rr||d D ]Z}||d | d dk�r�||d | d D ]$}| �d�|k�r�| �||f� �q��q̐qr| D ]\}}| �||f� �q0d S )NFr r� � neighbor �neighbor (\S+) peer-group$rk )�nbr�remoteasTzneighbor %s remote-as (\S+)r� z neighbor (\S+) peer-group %s$r� zneighbor (\S+) remote-as.*) �dictr` rY rZ r[ r1 r� r9 r� )r� Zpg_dictZ found_pg_cmdr� r] �re_pg�pg_keyZpg_rmtasZ re_pg_rmtas�nb_pg� re_nbr_pgZlines_to_del_from_addZ nbr_rmtasZ re_nbr_rmtas�pgr� r r r � bgp_delete_nbr_remote_as_line sr ��� � ��� ��$ ��� r� c C s� g }| D ]x\}}|d � d�r|r|� d�r|d |v r||d D ]:}t�d|�}d| }|sDt�||�}|rD|�||f� qDq|D ]\}}| �||f� q�d S )Nr r� r� �!neighbor (\S+) .*peer-group (\S+)�neighbor %s .*)r` rY r� r9 r� ) r� � del_nbr_dict�lines_to_del_to_delr� r] r� r� �nb_exp�re_nbr r r �bgp_remove_neighbor_cfgr s$ ��� r� c C sB t | � t� }t� }g }g }d}|D � ]�\}}|d �d�r$|r$|�d�r$d} t�| |�} | rl|�||f� t�d|�} | r�|d |vr�t� ||d < | �d�||d vr�||d �| �d�� |d |vr�t� ||d < t�d|�} | r$| �d�||d vr$t� ||d | �d�< d }q$|dk�rLt |� |�rDt ||� | |fS |D ]&\}}|� ||f� |�||f� �qP|D ]�\}}|d �d��r||�r||�d��r||d |v �r|||d D ]X} d | }t�||�} | �r�| �d�||d | v�r�||d | �| �d�� �q��q|g }|D ]�\}}|d �d��r&|�r&|�d��r&|d |v �r&||d D ]x}||d | D ]8}d | }t�||�}|�r~||v�r~|�||f� �q~d | }t�||�} | �rj|�||f� �qj�q&|D ]\}}|� ||f� �q�|D ]&\}}|� ||f� |�||f� �q t |� | |fS ) NFr r� r� z neighbor (\S+) 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