o
    th3                     @   s4  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 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 d dlmZ d d	lmZ d d
lmZ d dlmZ e e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%dd Z&de'fddZ(e#ej)ffe"ej)ej*ffgZ+dd Z,dS )    N)suppress)gaierrorgetaddrinfo	inet_ntoa)pack)dminetperformancesourcessubp)
url_helper)util)dhcp)NoDHCPLeaseError)EphemeralIPNetwork)ec2
CloudStackc                   @   s6   e Zd ZdZdd Zdd Zejddd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   H/usr/lib/python3/dist-packages/cloudinit/sources/DataSourceCloudStack.py__init__/      
z'CloudStackPasswordServerClient.__init__c                 C   s:   t  ddddddddd	d
|d| jg\}}| S )Nwgetz--quietz--tries3z	--timeout20z--output-document-z--headerzDomU_Request: {0}z{0}:8080)r   formatr   strip)r   domu_requestoutput_r   r   r   _do_request2   s   
z*CloudStackPasswordServerClient._do_requestzGetting passwordalwayslog_modec                 C   s4   |  d}|dv rd S |dkrtd|  d |S )Nsend_my_password) saved_passwordbad_requestz-Error when attempting to fetch root password.r*   )r$   RuntimeError)r   passwordr   r   r   get_passwordG   s   

z+CloudStackPasswordServerClient.get_passwordN)	__name__
__module____qualname____doc__r   r$   r	   timedr.   r   r   r   r   r   #   s    r   c                       s   e Zd ZdZdZdZdZ fddZdd Z			d fd	d
	Z	dd Z
dd ZedefddZdd Zejddddd Zdd Zedd Z  ZS )DataSourceCloudStackFr   x   2   c                    s8   t  ||| tj|jd| _d| _i | _d | _d S )Ncslatest)	superr   ospathjoinseed_dirapi_vercfgvr_addr)r   sys_cfgdistropaths	__class__r   r   r   Z   s
   
zDataSourceCloudStack.__init__c                 C   s   t d td}|r|S t d ttj t | jd}|r-|W  d   S W d   n1 s7w   Y  t d| jj	j
 tt | jj	| jj}|dpYd}|W  d   S 1 sfw   Y  t d dS )z
        Try obtaining a "domain-name" DHCP lease parameter:
        - From systemd-networkd lease
        - From dhclient lease
        z.Try obtaining domain name from networkd leases
DOMAINNAMEzHCould not obtain FQDN from networkd leases. Falling back to ISC dhclientzdomain-nameNzBCould not obtain FQDN from ISC dhclient leases. Falling back to %szNo dhcp leases found)LOGdebugr   networkd_get_option_from_leasesr   NoDHCPLeaseMissingDhclientErrorIscDhclientget_key_from_latest_leaserB   dhcp_clientclient_nameFileNotFoundErrorget_newest_leasefallback_interfaceget)r   
domainnamedomain_namelatest_leaser   r   r   _get_domainnamec   s:   


 
z$DataSourceCloudStack._get_domainnamec                    sn   t  |||}|r5d|jvr5td |  }|r/|j d| }td| t||jS td| |S )z
        Returns instance's hostname / fqdn
        First probes the parent class method.

        If fqdn is requested, and the parent method didn't return it,
        then attach the domain-name from DHCP response.
        .zFQDN requestedzObtained the following FQDN: %szNCould not determine domain name for FQDN. Fall back to hostname as an FQDN: %s)	r9   get_hostnamehostnamerG   rH   rV   r
   DataSourceHostname
is_default)r   fqdn
resolve_ipmetadata_onlyrY   rS   rD   r   r   rX      s   
z!DataSourceCloudStack.get_hostnamec                 C   s   |   }|jdkrdS t| jdg}t }tj||j|jt	j
d\}}|r1t	d| t|S t	d|tt |  t|S )Nr   Fzlatest/meta-data/instance-id)urlsmax_waittimeout	status_cbzUsing metadata source: '%s'z>Giving up on waiting for the metadata from %s after %s seconds)get_url_paramsmax_wait_secondsuhelpcombine_urlmetadata_addresstime	monotonicwait_for_urltimeout_secondsrG   warningrH   criticalintbool)r   
url_paramsr_   
start_timeurl	_responser   r   r   wait_for_metadata_service   s.   

	z.DataSourceCloudStack.wait_for_metadata_servicec                 C   s   | j S r   )r?   r   r   r   r   get_config_obj   s   z#DataSourceCloudStack.get_config_objreturnc                   C   s   t  S )z#Check if running on this datasource)is_platform_viabler   r   r   r   	ds_detect   s   zDataSourceCloudStack.ds_detectc              
   C   sV  i }t j|| jd dr|d | _|d | _td| j dS | jr3t	 }td| t
| j|}nt  }zI|< t| j}t|trJ|dn|| _| jsTtd	d
| j d| _|  sj	 W d    W dS |  W  d    W S 1 syw   Y  W d S  ty   td| Y dS  ty } ztdt| W Y d }~dS d }~ww )N/)basez	user-dataz	meta-dataz%Using seeded cloudstack data from: %sTzAttempting DHCP on: %sdhcp-server-identifierzNo virtual router found!zhttp://Fz#Unable to obtain a DHCP lease on %sz$Failed fetching metadata service: %s)r   read_optional_seedr=   userdata_rawmetadatarG   rH   perform_dhcp_setupr   find_fallback_nicr   rB   nullcontextget_vr_address
isinstancedictrR   r@   r,   rg   rt   _crawl_metadatar   rl   	Exceptionstr)r   seed_retprimary_nicnetwork_contextr@   er   r   r   	_get_data   sD   


(zDataSourceCloudStack._get_datazCrawling metadatar%   r&   c                 C   sz   t | j| j| _t | j| j| _t| j}z|	 }W n t
y/   ttd| j Y dS w |r;d|ddid| _dS )Nz/Failed to fetch password from virtual router %sTexpireF)
ssh_pwauthr-   chpasswd)r   get_instance_userdatar>   rg   r~   get_instance_metadatar   r   r@   r.   r   r   logexcrG   r?   )r   password_clientset_passwordr   r   r   r      s0   
z$DataSourceCloudStack._crawl_metadatac                 C   
   | j d S )Nzinstance-idr   ru   r   r   r   get_instance_id  r   z$DataSourceCloudStack.get_instance_idc                 C   r   )Nzavailability-zoner   ru   r   r   r   availability_zone  s   
z&DataSourceCloudStack.availability_zone)FFF)r/   r0   r1   r   dsnameurl_max_waiturl_timeoutr   rV   rX   rt   rv   staticmethodro   ry   r   r	   r3   r   r   propertyr   __classcell__r   r   rD   r   r4   R   s*    	,$
r4   c                   @   s   e Zd ZdZdZdS )DataSourceCloudStackLocalau  Run in init-local using a dhcp discovery prior to metadata crawl.

    In init-local, no network is available. This subclass sets up minimal
    networking with dhclient on a viable nic so that it can talk to the
    metadata service. If the metadata service provides network configuration
    then render the network configuration for that instance based on metadata.
    TN)r/   r0   r1   r2   r   r   r   r   r   r     s    r   c                  C   s>   zt dd} W n ty   td Y d S w | d d d S )Nzdata-serverP   zDNS Entry data-server not foundr      )r   r   rG   rH   )addrinfor   r   r   get_data_server%  s   
r   c                  C   s^   t d } | D ]#}|d}|d dkr,ttdt|d d}td| |  S q	d S )	Nz/proc/net/route	   00000000z<L      z"Found default route, gateway is %s)	r   load_text_file
splitlinessplitr   r   rn   rG   rH   )lineslineitemsgwr   r   r   get_default_gateway0  s   
r   c                 C   s   t  }|rtd| |S td}|rtd| |S ttj! t | d}|r;td| |W  d    S W d    n1 sEw   Y  tt	" | j
| }|ritd|| j
j |W  d    S W d    n1 ssw   Y  td t S )Nz4Found metadata server '%s' via data-server DNS entrySERVER_ADDRESSz-Found SERVER_ADDRESS '%s' via networkd_leasesr|   z&Found SERVER_ADDRESS '%s' via dhclientz1Found SERVER_ADDRESS '%s' via ephemeral %s lease z$No DHCP found, using default gateway)r   rG   rH   r   rI   r   rJ   rK   rL   rO   rM   rP   rN   r   )rB   latest_addressrU   r   r   r   r   =  sJ   


r   rw   c                  C   s&   t d} | std dS | tS )Nzsystem-product-namez-system-product-name not available in dmi dataF)r   read_dmi_datarG   rH   
startswithCLOUD_STACK_DMI_NAME)product_namer   r   r   rx   m  s
   


rx   c                 C   s   t | tS r   )r
   list_from_dependsdatasources)dependsr   r   r   get_datasource_list}  s   r   )-loggingr:   rh   
contextlibr   socketr   r   r   structr   	cloudinitr   r   r	   r
   r   r   re   r   cloudinit.netr   cloudinit.net.dhcpr   cloudinit.net.ephemeralr   cloudinit.sources.helpersr   	getLoggerr/   rG   r   r   
DataSourcer4   r   r   r   r   ro   rx   DEP_FILESYSTEMDEP_NETWORKr   r   r   r   r   r   <module>   s6   
/ H0

