U
    Ad/                     @   s  d dl 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mZmZ d dlmZ d dlmZ d d	lmZ e
eZd
ZdeiZdZdZdZddiZG dd dZG dd dejZG dd deZ dd Z!dd Z"d8ddZ#d9ddZ$d d! Z%e ej&ffeej&ej'ffgZ(d"d# Z)ed$krd dl*Z*d dl+Z+d d%lm,Z, e*j-d&d'Z.e.j/d(d)d*ed+ e.j/d,d-d.d/dd0 e.0 Z1e$e1j2e1j3d1Z4d2e4krze4d2 5 e4d2< W n< e6k
r   e+j78d3 e4d2= e,e4d2 5 e4d4< Y nX e9ej:e4d5dd6d7 dS ):    N)	b64decode)suppress)dmi)log)sources
url_helperutil)ug_util)EphemeralDHCPv4)DataSourceHostnamez3http://metadata.google.internal/computeMetadata/v1/metadata_url)instance-idavailability-zonelocal-hostnamezLhttp://metadata.google.internal/computeMetadata/v1/instance/guest-attributeshostkeyszMetadata-FlavorGooglec                   @   s   e Zd Zdd ZdddZdS )GoogleMetadataFetcherc                 C   s   || _ || _|| _d S N)metadata_addressnum_retriessec_between_retries)selfr   r   r    r   A/usr/lib/python3/dist-packages/cloudinit/sources/DataSourceGCE.py__init__   s    zGoogleMetadataFetcher.__init__Fc           	   
   C   s   d }z0| j | }|r|d7 }tj|t| j| jd}W n6 tjk
rj } zd}t||| W 5 d }~X Y n<X |j	dkr|rt
|j}q|jd}ntd||j	 |S )Nz/?recursive=True)urlheadersZretriesZsec_betweenzurl %s raised exception %s   utf-8zurl %s returned code %s)r   r   readurlHEADERSr   r   ZUrlErrorLOGdebugcoder   Zdecode_binarycontentsdecode)	r   pathis_textis_recursivevaluer   respexcmsgr   r   r   	get_value$   s(    

 
zGoogleMetadataFetcher.get_valueN)F)__name__
__module____qualname__r   r-   r   r   r   r   r      s   r   c                   @   sj   e Zd ZdZdZdd Zdd Zedd Zd	d
 Z	dd Z
dd ZdddZedd Zedd ZdS )DataSourceGCEGCEFc                 C   sr   t j| ||| d | _|r<t||\}}t|\| _}t | _t	
t	|ddgi tg| _| jd | _d S )NZ
datasourcer2   r   )r   
DataSourcer   default_userr	   Znormalize_users_groupsZextract_defaultdictmetadatar   ZmergemanydictZget_cfg_by_pathBUILTIN_DS_CONFIGZds_cfgr   )r   Zsys_cfgdistropathsZusersZ_groupsZ_user_configr   r   r   r   C   s    zDataSourceGCE.__init__c              	   C   s   |   }t }| jr(t| j| j d}|" tjt	j
dt| j|dd}W 5 Q R X |d s|d rtt	|d  nt	
|d  dS |d	 | _|d
 | _dS )N)Ztmp_dirzCrawl of GCE metadata service)address
url_params)kwargssuccessplatform_reports_gcereasonF	meta-data	user-dataT)Zget_url_paramsnoopperform_dhcp_setupr
   Zfallback_interfacer8   Zget_tmp_exec_pathr   Zlog_timer!   r"   read_mdr   warningr6   Zuserdata_raw)r   r;   Znetwork_contextretr   r   r   	_get_dataR   s0    


zDataSourceGCE._get_datac                 C   s   d S r   r   r   r   r   r   launch_indexo   s    zDataSourceGCE.launch_indexc                 C   s
   | j d S )Nr   r6   rH   r   r   r   get_instance_idt   s    zDataSourceGCE.get_instance_idc                 C   s   | j d }t|| jS )Npublic-keys-data)r6   _parse_public_keysr4   )r   public_keys_datar   r   r   get_public_ssh_keysw   s    
z!DataSourceGCE.get_public_ssh_keysc                 C   s   |D ]}t |  qd S r   )#_write_host_key_to_guest_attributes)r   r   keyr   r   r   publish_host_keys{   s    zDataSourceGCE.publish_host_keysc                 C   s   t | jd dd dS )Nr   .r   F)r   r6   split)r   ZfqdnZ
resolve_ipZmetadata_onlyr   r   r   get_hostname   s     zDataSourceGCE.get_hostnamec                 C   s
   | j d S )Nr   rJ   rH   r   r   r   availability_zone   s    zDataSourceGCE.availability_zonec                 C   s   | j ddd S )N-   r   )rV   rsplitrH   r   r   r   region   s    zDataSourceGCE.regionN)FFF)r.   r/   r0   ZdsnamerC   r   rG   propertyrI   rK   rO   rR   rU   rV   rZ   r   r   r   r   r1   >   s   


r1   c                   @   s   e Zd ZdZdS )DataSourceGCELocalTN)r.   r/   r0   rC   r   r   r   r   r\      s   r\   c                 C   sR   dt t| f }|d}tj||tddd}| rBtd|  ntd|  d S )Nz%s/%s/%sr   ZPUTF)r   datar   Zrequest_methodZcheck_statusz&Wrote %s host key to guest attributes.z0Unable to write %s host key to guest attributes.)	GUEST_ATTRIBUTES_URLHOSTKEY_NAMESPACEencoder   r   r    okr!   r"   )Zkey_type	key_valuer   r*   r   r   r   rP      s    
rP   c              	   C   s   z|  d ddd  \}}W n ttfk
r6   Y dS X |dkrDdS zt|}W n tk
rh   Y dS X d|krvdS |d }d}ztj||}W n tk
r   Y dS X tj |kS )N      Fz
google-sshZexpireOnz%Y-%m-%dT%H:%M:%S+0000)rT   
ValueErrorAttributeErrorjsonloadsdatetimestrptimeZutcnow)
public_keyZschemaZjson_strZjson_objZ
expire_strZ
format_strZexpire_timer   r   r   _has_expired   s&    rl   c                 C   sr   g }| s|S | D ]\}|rt dd |D s,q|dd}t|dkrFq|\}}|d|fkrt|s|| q|S )Nc                 s   s   | ]}t |d k V  qdS )   N)ord).0cr   r   r   	<genexpr>   s     z%_parse_public_keys.<locals>.<genexpr>:rX   rd   	cloudinit)allrT   lenrl   append)rN   r4   Zpublic_keysrk   Zsplit_public_keyuserrQ   r   r   r   rM      s    rM   Tc                 C   s  | d krt } d d dd d}t |d< |r<|d s<d|d< |S t| sbtd|  d|  |d< |S dd	d
ddg}t| |j|j}i }|D ]b\}}}	}
}d }|D ]}|	||
|}|d k	r|}q|	r|d krd}|| |d< |  S |||< qt
|d pd}t
|d pd}|d|dg}|dd }|dkrl|dsl||d ||d ddd |D }| |d< |d r|d dd |d< d|kr|d d}|d}|d krt|}n|rtd!| ||d< ||d"< d#|d$< |S )%NF)r@   rA   r=   r?   r>   zNot running on GCE.r?   z%s is not resolvablezaddress "%s" is not resolvable)r   )zinstance/idTTF)r   )zinstance/zoneTTF)r   )zinstance/hostnameTTF)instance-data)zinstance/attributesFFT)project-data)zproject/attributesFFTz)required key %s returned nothing. not GCErx   z{}ry   ZsshKeyszssh-keyszblock-project-ssh-keys true
c                 S   s   g | ]}|r|qS r   r   )ro   rQ   r   r   r   
<listcomp>  s      zread_md.<locals>.<listcomp>rL   r   /rA   r   zuser-data-encodingbase64z(unknown user-data-encoding: %s, ignoringr@   Tr=   )	MD_V1_URLr>   r   Zis_resolvable_urlr!   r"   r   r   r   r-   rg   rh   getlowerrv   join
splitlinesrT   r`   r   rE   )r:   r;   platform_checkrF   Zurl_mapZmetadata_fetcherZmdZmkeyr9   Zrequiredr'   r(   r)   r&   Z	new_valuer,   Zinstance_dataZproject_dataZ
valid_keysZblock_projectrN   Zudencodingr   r   r   rD      sx    

  





rD   c                  C   sP   t dpd} | dks| dkr"dS t dp.d}|dr>dS td| | d	S )
Nzsystem-product-namezN/AzGoogle Compute Enginer   Tzsystem-serial-numberzGoogleCloud-z6Not running on google cloud. product-name=%s serial=%sF)r   Zread_dmi_data
startswithr!   r"   )Zpnameserialr   r   r   r>   %  s    
  r>   c                 C   s   t | tS r   )r   Zlist_from_dependsdatasources)Zdependsr   r   r   get_datasource_list=  s    r   __main__)	b64encodezQuery GCE Metadata Service)Zdescriptionz
--endpointZURLz The url of the metadata service.)metavarhelpdefaultz--no-platform-checkr   zIgnore smbios platform checkZstore_false)destr   actionr   )r:   r   rA   z/User-data cannot be decoded. Writing as base64
zuser-data-b64rX   ),z: )indentZ	sort_keysZ
separators)N)NNT);ri   rg   r   r   
contextlibr   rB   rs   r   r   Zloggingr   r   r   Zcloudinit.distrosr	   Zcloudinit.net.ephemeralr
   Zcloudinit.sourcesr   Z	getLoggerr.   r!   r   r7   ZREQUIRED_FIELDSr^   r_   r    r   r3   r1   r\   rP   rl   rM   rD   r>   ZDEP_FILESYSTEMZDEP_NETWORKr   r   argparsesysr   ArgumentParserparseradd_argument
parse_argsargsZendpointr   r]   r%   UnicodeDecodeErrorstderrwriteprintdumpsr   r   r   r   <module>   sv   
 P"

M


