
­­­­­­­­­­­­­­­­­­
<!DOCTYPE html>
<html>
3
cjY                  @   s   d dl Z d dlZd dlZd dl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 d dlmZ e jeZG d	d
 d
ZG dd de
jZdd Zdd Zdd Zee
je
jffgZdd ZdS )    N)gaierrorgetaddrinfo	inet_ntoa)pack)sourcessubp)
url_helper)util)dhcp)ec2c               @   s(   e Zd ZdZdd Zdd Zdd ZdS )	CloudStackPasswordServerClienta  
    Implements password fetching from the CloudStack password server.

    http://cloudstack-administration.readthedocs.org/
       en/latest/templates.html#adding-password-management-to-your-templates
    has documentation about the system.  This implementation is following that
    found at
    https://github.com/shankerbalan/cloudstack-scripts/
       blob/master/cloud-set-guest-password-debian
    c             C   s
   || _ d S )N)virtual_router_address)selfr    r   */usr/lib/python3.6/DataSourceCloudStack.py__init__*   s    z'CloudStackPasswordServerClient.__init__c             C   s:   t j ddddddddd	d
j|dj| jg\}}|j S )NZwgetz--quietz--tries3z	--timeoutZ20z--output-document-z--headerzDomU_Request: {0}z{0}:8080)r   formatr   strip)r   Zdomu_requestoutput_r   r   r   _do_request-   s    z*CloudStackPasswordServerClient._do_requestc             C   s4   | j d}|dkrd S |dkr&td| j d |S )NZsend_my_password saved_passwordZbad_requestz-Error when attempting to fetch root password.)r   r   )r   RuntimeError)r   passwordr   r   r   get_passwordB   s    

z+CloudStackPasswordServerClient.get_passwordN)__name__
__module____qualname____doc__r   r   r   r   r   r   r   r      s   
r   c               @   sL   e Zd ZdZdZdZdd Zdd Zdd	 Zd
d Z	dd Z
edd ZdS )DataSourceCloudStackZ
CloudStackx   2   c             C   sX   t jj| ||| tjj|jd| _d| _t | _	| j	s@t
dd| j	f | _i | _d S )NZcsZlatestzNo virtual router found!z
http://%s/)r   
DataSourcer   ospathjoinseed_dirapi_verget_vr_addressvr_addrr   metadata_addresscfg)r   Zsys_cfgZdistropathsr   r   r   r   T   s    zDataSourceCloudStack.__init__c             C   s~   | j  }|jdkrdS tj| jdg}tj }tj||j|jtj	d\}}|r\tj
d| ntjd|ttj |  t|S )Nr   Fzlatest/meta-data/instance-id)urlsZmax_waitZtimeoutZ	status_cbzUsing metadata source: '%s'z>Giving up on waiting for the metadata from %s after %s seconds)Zget_url_paramsZmax_wait_secondsuhelpZcombine_urlr-   timeZwait_for_urlZtimeout_secondsLOGZwarningdebugZcriticalintbool)r   Z
url_paramsr0   
start_timeZurlZ	_responser   r   r   wait_for_metadata_service`   s$    
z.DataSourceCloudStack.wait_for_metadata_servicec             C   s   | j S )N)r.   )r   r   r   r   get_config_obj   s    z#DataSourceCloudStack.get_config_objc             C   s  i }t j|| jd dr>|d | _|d | _tjd| j dS y| j sLdS tj }t	j
| j| j| _t	j| j| j| _tjdttj |  t| j}y|j }W n$ tk
r   t jtd	| j Y nX |rd|d
did| _dS  tk
r
   t jtd| j dS X d S )N/)basez	user-dataz	meta-dataz%Using seeded cloudstack data from: %sTFz)Crawl of metadata service took %s secondsz/Failed to fetch password from virtual router %sZexpire)Z
ssh_pwauthr   Zchpasswdz(Failed fetching from metadata service %s)r	   Zread_optional_seedr)   Zuserdata_rawmetadatar3   r4   r8   r2   r   Zget_instance_userdatar*   r-   Zget_instance_metadatar5   r   r,   r   	ExceptionZlogexcr.   )r   Zseed_retr7   Zpassword_clientZset_passwordr   r   r   	_get_data   sH    


zDataSourceCloudStack._get_datac             C   s
   | j d S )Nzinstance-id)r<   )r   r   r   r   get_instance_id   s    z$DataSourceCloudStack.get_instance_idc             C   s
   | j d S )Nzavailability-zone)r<   )r   r   r   r   availability_zone   s    z&DataSourceCloudStack.availability_zoneN)r   r   r    ZdsnameZurl_max_waitZurl_timeoutr   r8   r9   r>   r?   propertyr@   r   r   r   r   r"   L   s   0r"   c              C   sB   yt dd} W n tk
r,   tjd d S X | d d d S d S )Nzdata-serverP   zDNS Entry data-server not foundr      )r   r   r3   r4   )Zaddrinfor   r   r   get_data_server   s    
rD   c              C   s^   t jdj } xJ| D ]B}|jd}|d dkrttdt|d d}tjd| |S qW d S )	Nz/proc/net/route	   Z00000000z<L      z"Found default route, gateway is %s)	r	   Z	load_file
splitlinessplitr   r   r5   r3   r4   )lineslineitemsZgwr   r   r   get_default_gateway   s    

rN   c              C   sj   t  } | rtjd|  | S tjd} | r8tjd|  | S tjj }|rZtjj|} | rZ| S tjd t S )Nz4Found metadata server '%s' via data-server DNS entryZSERVER_ADDRESSz-Found SERVER_ADDRESS '%s' via networkd_leasesz$No DHCP found, using default gateway)	rD   r3   r4   r
   Znetworkd_get_option_from_leasesZIscDhclientZget_latest_leaseZ!parse_dhcp_server_from_lease_filerN   )Zlatest_addressZ
lease_filer   r   r   r+      s&    


r+   c             C   s   t j| tS )N)r   Zlist_from_dependsdatasources)Zdependsr   r   r   get_datasource_list   s    rP   ) Zloggingr&   r2   Zsocketr   r   r   structr   Z	cloudinitr   r   r   r1   r	   Zcloudinit.netr
   Zcloudinit.sources.helpersr   Z	getLoggerr   r3   r   r%   r"   rD   rN   r+   ZDEP_FILESYSTEMZDEP_NETWORKrO   rP   r   r   r   r   <module>   s"   
.n&