U
    ӇgN5                     @   s  d dl Z d dlZd dlZd dlmZ d dlmZmZmZ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 d dlmZ eeZd	Zd
eiZdZdZddiZd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$d7ddZ%d8ddZ&dd  Z'e"ej(ffe!ej(ej)ffgZ*d!d" Z+ed#krd dl,Z,d dl-Z-d d$lm.Z. e,j/d%d&Z0e0j1d'd(d)ed* e0j1d+d,d-d.dd/ e02 Z3e&e3j4e3j5d0Z6d1e6krze6d1 7 e6d1< W n< e8k
r   e-j9:d2 e6d1= e.e6d1 7 e6d3< Y nX e;ej<e6d4dd5d6 dS )9    N)	b64decode)dminetsources
url_helperutil)ug_util)
EventScope	EventType)NoDHCPLeaseError)EphemeralDHCPv4)DataSourceHostnamez3http://metadata.google.internal/computeMetadata/v1/metadata_urlzLhttp://metadata.google.internal/computeMetadata/v1/instance/guest-attributeshostkeyszMetadata-FlavorGoogleZens4c                   @   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                   @   s|   e Zd ZdZdZejejej	hi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
datasourcer1   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   I   s    zDataSourceGCE.__init__c                 C   s  |   }| jr4t }t|kr6|t |dt td| t	|dksVt
d|D ]}t| j|d}zl|^ zt| j|d}W nD tk
r } z&td|| W Y W 5 Q R  W qZW 5 d }~X Y nX W 5 Q R X W n tk
r   Y qZY nX |d rZ|| j_td	|  qqZ| jjd krBtd
| j nt| j|d}|d sx|d rft|d  nt|d  dS |d | _|d | _dS )Nr   z"Looking for the primary NIC in: %s   z3The instance has to have at least one candidate NIC)Ziface)address
url_paramsz,Error fetching IMD with candidate NIC %s: %ssuccesszPrimary NIC found: %s.z(Did not find a fallback interface on %s.platform_reports_gcereasonF	meta-data	user-dataT)Zget_url_paramsperform_dhcp_setupr   Zfind_candidate_nicsDEFAULT_PRIMARY_INTERFACEremoveinsertr    r!   lenAssertionErrorr   r7   read_mdr   	Exceptionr   Zfallback_interfacewarningZ
cloud_namer5   Zuserdata_raw)r   r;   Zcandidate_nicsZcandidate_nicZnetwork_contextreter   r   r   	_get_dataX   sd    


4
 



zDataSourceGCE._get_datac                 C   s   d S r   r   r   r   r   r   launch_index   s    zDataSourceGCE.launch_indexc                 C   s
   | j d S )Ninstance-idr5   rM   r   r   r   get_instance_id   s    zDataSourceGCE.get_instance_idc                 C   s   | j d }t|| jS )Npublic-keys-data)r5   _parse_public_keysr3   )r   public_keys_datar   r   r   get_public_ssh_keys   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 )Nlocal-hostname.r   F)r   r5   split)r   ZfqdnZ
resolve_ipZmetadata_onlyr   r   r   get_hostname   s     zDataSourceGCE.get_hostnamec                 C   s
   | j d S )Navailability-zonerP   rM   r   r   r   availability_zone   s    zDataSourceGCE.availability_zonec                 C   s   | j ddd S )N-r9   r   )r^   rsplitrM   r   r   r   region   s    zDataSourceGCE.regionN)FFF)r-   r.   r/   ZdsnamerA   r	   ZNETWORKr
   ZBOOT_NEW_INSTANCEZBOOTZdefault_update_eventsr   rL   propertyrN   rQ   rU   rX   r\   r^   ra   r   r   r   r   r0   >   s&   5


r0   c                   @   s   e Zd ZdZdS )DataSourceGCELocalTN)r-   r.   r/   rA   r   r   r   r   rc      s   rc   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   rV      s    
rV   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tjj	|kS )N      Fz
google-sshZexpireOnz%Y-%m-%dT%H:%M:%S%z)
r[   
ValueErrorAttributeErrorjsonloadsdatetimestrptimeZnowtimezoneZutc)
public_keyZschemaZjson_strZjson_objZ
expire_strZ
format_strZexpire_timer   r   r   _has_expired   s&    rt   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>:r9   rk   	cloudinit)allr[   rE   rt   append)rT   r3   Zpublic_keysrs   Zsplit_public_keyuserrW   r   r   r   rS      s    rS   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?   r@   r<   r>   r=   zNot running on GCE.r>   z%s is not resolvablezaddress "%s" is not resolvable)rO   )zinstance/idTTF)r]   )zinstance/zoneTTF)rY   )zinstance/hostnameTTF)instance-data)zinstance/attributesFFT)project-data)zproject/attributesFFTz)required key %s returned nothing. not GCEr   z{}r   ZsshKeyszssh-keyszblock-project-ssh-keys true
c                 S   s   g | ]}|r|qS r   r   )rw   rW   r   r   r   
<listcomp>-  s      zread_md.<locals>.<listcomp>rR   r]   /r@   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,   rn   ro   getlowerr}   join
splitlinesr[   rg   r   rI   )r:   r;   platform_checkrJ   Zurl_mapZmetadata_fetcherZmdZmkeyr8   Zrequiredr&   r'   r(   r%   Z	new_valuer+   Zinstance_dataZproject_dataZ
valid_keysZblock_projectrT   Zudencodingr   r   r   rG      sx    

  





rG   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=   C  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   r@   z/User-data cannot be decoded. Writing as base64
zuser-data-b64r9   ),z: )indentZ	sort_keysZ
separators)N)NNT)=rp   rn   Zloggingr   r   r{   r   r   r   r   r   Zcloudinit.distrosr   Zcloudinit.eventr	   r
   Zcloudinit.net.dhcpr   Zcloudinit.net.ephemeralr   Zcloudinit.sourcesr   Z	getLoggerr-   r    r   r6   re   rf   r   rB   r   r2   r0   rc   rV   rt   rS   rG   r=   ZDEP_FILESYSTEMZDEP_NETWORKr   r   argparsesysr   ArgumentParserparseradd_argument
parse_argsargsZendpointr   rd   r$   UnicodeDecodeErrorstderrwriteprintdumpsr   r   r   r   <module>   sv   
 n"

M


