o
    w7e=                     @   s:  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 d dlmZ d dl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$dZ%dZ&dZ'G dd dej(j)Z*dd Z+dd Z,G dd dej-Z.e.ej/ffgZ0dd Z1dS )    N)urlparse)ConnectionError)HTTPConnection)PoolManager)dmi)log)netsources
url_helperutil)
EventScope	EventType)NoDHCPLeaseError)EphemeralDHCPv4EphemeralIPv6Network)DataSourceHostname)ProcessExecutionErrorzhttp://169.254.42.42zhttp://[fd00:42::42]      
   c                       s*   e Zd ZdZ fddZdddZ  ZS )SourceAddressAdapterzF
    Adapter for requests to choose the local address to bind to.
    c                    s    || _ tt| jdi | d S )N )source_addresssuperr   __init__)selfr   kwargs	__class__r   F/usr/lib/python3/dist-packages/cloudinit/sources/DataSourceScaleway.pyr   ,   s   zSourceAddressAdapter.__init__Fc                 C   s0   t jtjtjdfg }t|||| j|d| _d S )N   )	num_poolsmaxsizeblockr   socket_options)r   default_socket_optionssocket
SOL_SOCKETSO_REUSEPORTr   r   poolmanager)r   connectionsr"   r#   r$   r   r   r   init_poolmanager0   s   z%SourceAddressAdapter.init_poolmanager)F)__name__
__module____qualname____doc__r   r+   __classcell__r   r   r   r   r   '   s    r   c              
   C   s^   zt j| d|d|dd d}t|jW S  t jy. } z|jdkr)W Y d}~dS  d}~ww )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>X   s   
 z%query_data_api_once.<locals>.<lambda>)datatimeoutretriessessionexception_cbr1   )r
   readurlr   decode_binarycontentsUrlErrorr2   )api_addressr;   requests_sessionrespr8   r   r   r   query_data_api_once=   s    
rF   c                 C   s  t dt|dD ]}z]td| | t }d}z)t|j}|}|d dkr,|dd }tj	|dtj
d	d d }	|	tjkr@d
}W n	 tyJ   Y nw |dt||fd t|||d}
td|  |
W   S  tjy } ztd| | td |}W Y d}~qd}~ww |)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   )r;   rD   z%s-data downloadedz%Error while trying to get %s data: %s   )rangemaxLOGdebugr5   Sessionr   netlocr&   getaddrinfoIPPROTO_TCPAF_INET6
ValueErrormountr   rF   r
   rB   warningtimesleep)api_typerC   r<   r;   portrD   	localhosturl_addressaddress
addr_protor:   r8   last_excr   r   r   query_data_apie   sT   



ra   c                       s   e Zd ZdZejejejej	hiZ
 fddZdd Zdd Zedd	 Z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| _d | _tj| _t| _d | _d | _d | _d| _d| j v r_|  j| jd 7  _d S d S )N
datasourcerc   r<   r;   max_waitTmetadata_urls)r   rb   r   r   mergemanydictget_cfg_by_pathds_cfgintgetDEF_MD_RETRIESr<   DEF_MD_TIMEOUTr;   DEF_MD_MAX_WAITre   _fallback_interfacer	   UNSET_network_configDS_BASE_URLSrf   userdata_urlvendordata_urlephemeral_fixed_addresshas_ipv4keys)r   sys_cfgdistropathsr   r   r   r      s$   zDataSourceScaleway.__init__c                 C   sx   t   }tj|| j| jdd\}}|r-td| | d| _| d| _| d| _	dS td|t
t   |  t)	zO
        Define metadata_url based upon api-metadata URL availability.
        F)urlsre   r;   connect_synchronouslyz%s is reachablez/conf?format=jsonz/user_data/cloud-initz/vendor_data/cloud-initNz3Unable to reach api-metadata at %s after %s seconds)rX   r
   wait_for_urlre   r;   rN   rO   metadata_urlrs   rt   rj   r   )r   r{   
start_time	avail_urlr7   r   r   r   _set_metadata_url   s&   
z$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)r;   r<   z	user-datazvendor-data)r
   r?   r~   r;   r<   jsonloadsr   r@   rA   metadatara   rs   userdata_rawrt   vendordata_raw)r   rE   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|v 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-manufacturerrc   Tz/var/run/scalewayscalewayN)r   read_dmi_dataospathexistsr   get_cmdline)vendor_namecmdliner   r   r   	ds_detect   s   

zDataSourceScaleway.ds_detectc                 C   s   |dvrt d| g S g }|D ]>}t|j}|d dkr#|dd }tj|d tjdd d }|tjkr?|dkr?||g7 }q|tjkrN|d	krN||g7 }qq|S )
N)ipv4ipv6zInvalid IP version : %sr   rG   r    rH   rI   r   r   )	rN   rO   r   rQ   r&   rR   rS   AF_INETrT   )r   rJ   r{   filtered_urlsurlr^   r_   r   r   r   _set_urls_on_ip_version   s.   


z*DataSourceScaleway._set_urls_on_ip_versionc              
   C   s`  | j d u r
t | _ | jrhz:t| j| j )}tjtj	d| j
| jfd tjtj	d| jd |d | _d| jd< W d    n1 sAw   Y  W n  tttfyg } zttt| d| _W Y d }~nd }~ww | jsz8t| j| j & tjtj	d	| j
| jfd tjtj	d| jd d
| jd< W d    W dS 1 sw   Y  W dS  ty   Y dS w dS )Nz3Set api-metadata URL depending on IPv4 availability)logfuncmsgfuncargszCrawl of metadata service)r   r   r   zfixed-addressr   
net_in_useFz3Set api-metadata URL depending on IPv6 availabilityr   T)ro   r   find_fallback_nicrv   r   ry   r   log_timerN   rO   r   rf   r   ru   r   r   r   r   logexcstrr   )r   r   er   r   r   	_get_data  sv   


zDataSourceScaleway._get_datac              	   C   s  | j du rtdtj tj| _ | j tjkr| j S | jdu r#t | _| jd du ri }i }| jd D ]_}|d | j	krId|d< dd	d
g|d< q3d|
 v rb|d  |d  d|d  f7  < n|d  d|d  f|d< |d dkr|d dd}d|
 v r|d  |g7  < q3|g|d< q3||| j< d|d| _ nAdd| 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 )$z`
        Configure networking according to data received from the
        metadata API.
        Nz5Found None as cached _network_config. Resetting to %s
private_ip
public_ipsr^   Tdhcp4z169.254.42.42/32z
62.210.0.1)toviaroutes	addresses/netmaskfamilyinet6gatewayz::/0)r   r   r   )version	ethernetsphysicalz%s)typenamer   r   staticz::0)networkprefixr   )r   r^   r   r   subnetsr    )r   configznetwork_config : %s)rq   rN   rW   r	   rp   ro   r   r   r   ru   rw   rO   )r   netcfgip_cfgiprouter   r   r   r   network_configN  sl   








z!DataSourceScaleway.network_configc                 C      d S Nr   r   r   r   r   launch_index     zDataSourceScaleway.launch_indexc                 C   s
   | j d S )Nid)r   r   r   r   r   get_instance_id  s   
z"DataSourceScaleway.get_instance_idc                 C   s^   dd | j d D }d}t|}| j dg D ]}||sq|||d  dd q|S )Nc                 S   s   g | ]}|d  qS )keyr   ).0r   r   r   r   
<listcomp>  s    z:DataSourceScaleway.get_public_ssh_keys.<locals>.<listcomp>ssh_public_keyszAUTHORIZED_KEY=tagsr7    )r   lenrk   
startswithappendreplace)r   ssh_keysakeypreplentagr   r   r   get_public_ssh_keys  s   
z&DataSourceScaleway.get_public_ssh_keysFc                 C   s   t | jd dS )NhostnameF)r   r   )r   fqdn
resolve_ipmetadata_onlyr   r   r   get_hostname  s   zDataSourceScaleway.get_hostnamec                 C   r   r   r   r   r   r   r   availability_zone  r   z$DataSourceScaleway.availability_zonec                 C   r   r   r   r   r   r   r   region  r   zDataSourceScaleway.region)FFF)r,   r-   r.   dsnamer   NETWORKr   BOOT_NEW_INSTANCEBOOTBOOT_LEGACYdefault_update_eventsr   r   r   staticmethodr   r   r   propertyr   r   r   r   r   r   r   r0   r   r   r   r   rb      s4    
A
L


rb   c                 C   s   t | tS r   )r	   list_from_dependsdatasources)dependsr   r   r   get_datasource_list  s   r   )2r   r   r&   rX   urllib.parser   r5   requests.exceptionsr   urllib3.connectionr   urllib3.poolmanagerr   	cloudinitr   r   loggingr   r	   r
   r   cloudinit.eventr   r   cloudinit.net.dhcpr   cloudinit.net.ephemeralr   r   cloudinit.sourcesr   cloudinit.subpr   	getLoggerr,   rN   rr   rl   rn   rm   adaptersHTTPAdapterr   rF   ra   
DataSourcerb   DEP_FILESYSTEMr   r   r   r   r   r   <module>   s>   
(4  
$