U
    Ӈg:                     @   s.  d dl Z d dlZd dlZd dlZd dlZd dlmZ d dlZd dlm	Z	 d dl
mZ d dlmZ d dlmZmZmZmZmZ d dlmZmZ d dlmZ d d	lmZmZ d d
lmZ d dlmZ e e!Z"ddgZ#dZ$dZ%dZ&G dd dej'j(Z)dd Z*dd Z+G dd dej,Z-e-ej.ffgZ/dd Z0dS )    N)urlparse)ConnectionError)HTTPConnection)PoolManager)dmiperformancesources
url_helperutil)
EventScope	EventType)NoDHCPLeaseError)EphemeralDHCPv4EphemeralIPv6Network)DataSourceHostname)ProcessExecutionErrorzhttp://169.254.42.42zhttp://[fd00:42::42]      
   c                       s*   e Zd ZdZ fddZdddZ  ZS )SourceAddressAdapterzF
    Adapter for requests to choose the local address to bind to.
    c                    s   || _ tt| jf | d S N)source_addresssuperr   __init__)selfr   kwargs	__class__ F/usr/lib/python3/dist-packages/cloudinit/sources/DataSourceScaleway.pyr   +   s    zSourceAddressAdapter.__init__Fc                 C   s0   t jtjtjdfg }t|||| j|d| _d S )N   )Z	num_poolsmaxsizeblockr   socket_options)r   Zdefault_socket_optionssocketZ
SOL_SOCKETZSO_REUSEPORTr   r   Zpoolmanager)r   Zconnectionsr!   r"   r#   r   r   r   init_poolmanager/   s    z%SourceAddressAdapter.init_poolmanager)F)__name__
__module____qualname____doc__r   r%   __classcell__r   r   r   r   r   &   s   r   c              
   C   sh   z(t j| d|d|dd d}t|jW S  t jk
rb } z|jdkrPW Y 
dS  W 5 d}~X Y nX dS )aQ  
    Retrieve user data or vendor data.

    Scaleway user/vendor data API returns HTTP/404 if user/vendor data is not
    set.

    This function calls `url_helper.readurl` but instead of considering
    HTTP/404 as an error that requires a retry, it considers it as empty
    user/vendor data.

    Also, be aware the user data/vendor API requires the source port to be
    below 1024 to ensure the client is root (since non-root users can't bind
    ports below 1024). If requests raises ConnectionError (EADDRINUSE), the
    caller should retry to call this function on an other port.
    Nr   c                 S   s   | j dkot| jtjj S )N  )code
isinstancecauserequests
exceptionsr   )excr   r   r   <lambda>W   s   
z%query_data_api_once.<locals>.<lambda>)datatimeoutretriesZsessionZexception_cbr+   )r	   readurlr
   decode_binarycontentsUrlErrorr,   )api_addressr4   requests_sessionrespr1   r   r   r   query_data_api_once<   s    

r=   c                 C   s(  t dt|dD ]}ztd| | t }d}zRt|j}|}|d dkrZ|dd }tj	|dtj
d	d d }	|	tjkrd
}W n tk
r   Y nX |dt||fd t|||d}
td|  |
W   S  tjk
r } z(td| | td |}W Y qW 5 d}~X Y qX q|dS )a/  Get user or vendor data.

    Handle the retrying logic in case the source port is used.

    Scaleway metadata service requires the source port of the client to
    be a privileged port (<1024).  This is done to ensure that only a
    privileged user on the system can access the metadata service.
    r    r   z*Trying to get %s data (bind on port %d)...z0.0.0.0r   [N)protoz0::zhttp://)r   )r4   r;   z%s-data downloadedz%Error while trying to get %s data: %s   )rangemaxLOGdebugr/   ZSessionr   Znetlocr$   ZgetaddrinfoZIPPROTO_TCPZAF_INET6
ValueErrorZmountr   r=   r	   r9   warningtimesleep)Zapi_typer:   r5   r4   Zportr;   Z	localhostZurl_addressaddressZ
addr_protor3   r1   last_excr   r   r   query_data_apid   sX      
  
  

rL   c                       s   e Zd ZdZejejejej	hiZ
 fddZedd fddZdd	 Zd
d Zedd Zdd Zedd Zedd Zdd Zdd ZdddZedd Zedd Z  ZS ) DataSourceScalewayScalewayc                    s   t t| ||| tt|ddgi g| _t| jdt	| _
t| jdt| _t| jdt| _tj| _t| _d | _d | _d | _d | _d| _d| j kr|  j| jd 7  _d S )NZ
datasourcerN   r5   r4   max_waitTmetadata_urls)r   rM   r   r
   ZmergemanydictZget_cfg_by_pathZds_cfgintgetDEF_MD_RETRIESr5   DEF_MD_TIMEOUTr4   DEF_MD_MAX_WAITrO   r   UNSET_network_configDS_BASE_URLSrP   metadata_urluserdata_urlvendordata_urlephemeral_fixed_addresshas_ipv4keys)r   Zsys_cfgdistropathsr   r   r   r      s"    zDataSourceScaleway.__init__N)ci_pkl_versionreturnc                    sF   t  | d dttd d d}|D ]}t| |s"t| |||  q"d S )NT)r\   r]   rO   rP   rZ   r[   )r   	_unpicklerU   rX   hasattrsetattr)r   ra   Zattr_defaultsattrr   r   r   rc      s    
zDataSourceScaleway._unpicklec                 C   s|   t  }tj|| j| jdd\}}|rZtd| | d| _| d| _	| d| _
dS td|tt  |  tdS )	zO
        Define metadata_url based upon api-metadata URL availability.
        F)urlsrO   r4   Zconnect_synchronouslyz%s is reachablez/conf?format=jsonz/user_data/cloud-initz/vendor_data/cloud-initNz3Unable to reach api-metadata at %s after %s seconds)rH   	monotonicr	   Zwait_for_urlrO   r4   rD   rE   rY   rZ   r[   rQ   r   )r   rg   Z
start_timeZ	avail_url_r   r   r   _set_metadata_url   s&    
z$DataSourceScaleway._set_metadata_urlc                 C   sZ   t j| j| j| jd}tt|j	| _
td| j| j| j| _td| j| j| j| _d S )N)r4   r5   z	user-datazvendor-data)r	   r6   rY   r4   r5   jsonloadsr
   r7   r8   metadatarL   rZ   Zuserdata_rawr[   Zvendordata_raw)r   r<   r   r   r   _crawl_metadata   s$            z"DataSourceScaleway._crawl_metadatac                  C   s>   t d} | dkrdS tjdr&dS t }d|kr:dS dS )a   
        There are three ways to detect if you are on Scaleway:

        * check DMI data: not yet implemented by Scaleway, but the check is
          made to be future-proof.
        * the initrd created the file /var/run/scaleway.
        * "scaleway" is in the kernel cmdline.
        zsystem-manufacturerrN   Tz/var/run/scalewayZscalewayN)r   Zread_dmi_dataospathexistsr
   Zget_cmdline)Zvendor_nameZcmdliner   r   r   	ds_detect   s    

zDataSourceScaleway.ds_detectc              
   C   s  | j rz^t| j| jjD}td | | j W 5 Q R X |   |d | _	d| j
d< W 5 Q R X W n> tttfk
r } zttt| d| _ W 5 d }~X Y nX | j szTt| j| jj: td | | j W 5 Q R X |   d| j
d< W 5 Q R X W n tk
r   Y dS X dS )	Nz7Setting api-metadata URL depending on IPv4 availabilityzfixed-addressipv4Z
net_in_useFz7Setting api-metadata URL depending on IPv6 availabilityipv6T)r]   r   r_   fallback_interfacer   ZTimedrj   rP   rn   r\   rm   r   r   r   r
   ZlogexcrD   strr   )r   rs   er   r   r   	_get_data  sH    
zDataSourceScaleway._get_datac              	   C   s  | j dkr tdtj tj| _ | j tjkr2| j S | jd dkrVi }i }| jd D ]}|d | jkrd|d< ddd	d
}d| kr|d  |g7  < n
|g|d< qTd| kr|d  |d  d|d  f7  < n|d  d|d  f|d< |d dkrT|d dd}d| kr0|d  |g7  < qT|g|d< qT||| jj	< d|d| _ ndd| jj	 d}ddig}| jd r|dd| jd d  d| jd d  ddd| jd d  dgdg7 }||d < d!|gd"| _ t
d#| j  | j S )$z`
        Configure networking according to data received from the
        metadata API.
        Nz5Found None as cached _network_config. Resetting to %sZ
private_ipZ
public_ipsrJ   TZdhcp4z169.254.42.42/32z
62.210.0.1)zon-linktoviaroutesZ	addresses/netmaskZfamilyZinet6gatewayz::/0)rz   ry   r   )versionZ	ethernetsZphysicalz%s)typenamer   rt   Zstaticz::0)Znetworkprefixr~   )r   rJ   r}   r{   subnetsr    )r   Zconfigznetwork_config : %s)rW   rD   rG   r   rV   rm   r\   r^   r_   ru   rE   )r   ZnetcfgZip_cfgZipZrouter   r   r   r   network_config4  sp    



z!DataSourceScaleway.network_configc                 C   s   d S r   r   r   r   r   r   launch_index  s    zDataSourceScaleway.launch_indexc                 C   s
   | j d S )Nid)rm   r   r   r   r   get_instance_id  s    z"DataSourceScaleway.get_instance_idc                 C   s^   dd | j d D }d}t|}| j dg D ]*}||s>q.|||d  dd q.|S )Nc                 S   s   g | ]}|d  qS )keyr   ).0r   r   r   r   
<listcomp>  s     z:DataSourceScaleway.get_public_ssh_keys.<locals>.<listcomp>Zssh_public_keyszAUTHORIZED_KEY=Ztagsri    )rm   lenrR   
startswithappendreplace)r   Zssh_keysZakeypreplentagr   r   r   get_public_ssh_keys  s    
z&DataSourceScaleway.get_public_ssh_keysFc                 C   s   t | jd dS )NZhostnameF)r   rm   )r   ZfqdnZ
resolve_ipZmetadata_onlyr   r   r   get_hostname  s    zDataSourceScaleway.get_hostnamec                 C   s   d S r   r   r   r   r   r   availability_zone  s    z$DataSourceScaleway.availability_zonec                 C   s   d S r   r   r   r   r   r   region  s    zDataSourceScaleway.region)FFF)r&   r'   r(   Zdsnamer   ZNETWORKr   ZBOOT_NEW_INSTANCEZBOOTZBOOT_LEGACYZdefault_update_eventsr   rQ   rc   rj   rn   staticmethodrr   rx   propertyr   r   r   r   r   r   r   r*   r   r   r   r   rM      s2   
2
O


rM   c                 C   s   t | tS r   )r   Zlist_from_dependsdatasources)Zdependsr   r   r   get_datasource_list  s    r   )1rk   Zloggingro   r$   rH   Zurllib.parser   r/   Zrequests.exceptionsr   Zurllib3.connectionr   Zurllib3.poolmanagerr   Z	cloudinitr   r   r   r	   r
   Zcloudinit.eventr   r   Zcloudinit.net.dhcpr   Zcloudinit.net.ephemeralr   r   Zcloudinit.sourcesr   Zcloudinit.subpr   Z	getLoggerr&   rD   rX   rS   rU   rT   ZadaptersZHTTPAdapterr   r=   rL   Z
DataSourcerM   ZDEP_FILESYSTEMr   r   r   r   r   r   <module>   s:   
(4  
