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o �Ad � � @ s� d dl Z d dlZd dlZd dlmZ d dlmZ d dlmZ d dlm Z m Z d dlm Z d dlm Z mZ d dlmZmZ d d lmZ d d lmZ d d lmZ e�e�Zee j g�Z d Z d Z G dd� d�Z dd� Z!e j"e j#gZ$G dd� de j%�Z&G dd� de&�Z'dd� Z(dd� Z)dd� Z*d d � Z+d d � Z,d d!� Z-d"d#� Z.d$d%� Z/d&d'� Z0d(d)� Z1d*d+� Z2 ,d5d-d.�Z3d/d0� Z4d1d2� Z5e'e j6ffe&e j6e j7ffgZ8d3d4� Z9dS )6� N)�List)�dmi)�log)�net�sources)� url_helper)�util�warnings)� EventScope� EventType)�NoDHCPLeaseError)�EphemeralIPNetwork)�ec2)� datasource�Ec2� strict_id�warnc @ s, e Zd ZdZdZdZdZdZdZdZ dZ d S ) � CloudNames�aliyun�aws� brightbox�zstack�e24cloud�outscale�unknownzno-ec2-metadataN) �__name__� __module__� __qualname__�ALIYUN�AWS� BRIGHTBOX�ZSTACK�E24CLOUD�OUTSCALE�UNKNOWN�NO_EC2_METADATA� r& r& �A/usr/lib/python3/dist-packages/cloudinit/sources/DataSourceEc2.pyr " s r c C s | j dko d| jv S )N� zmeta-data/tags/)�code�url)� exceptionr& r& r' �skip_404_tag_errors2 s r, c sx e Zd ZU dZg d�ZdZg d�Zee e d< dZ dZ dZ e jZd ZejejejejejhiZ� fd d �Zd d � Zdd� Zdd� Z e dd� �Z e dd� �Z e dd� �Z e dd� �Z!e dd� �Z"e d d � �Z#e d d � �Z$d d!� Z%d"d#� Z&d$d%� Z'd&d'� Z(d(d)� Z)e d*d+� �Z*e d,d-� �Z+d.d/� Z,e d0d1� �Z-e � fd2d3��Z.d4d5� Z/dAd6d7�Z0d8d9� Z1d:d;� Z2dAd<d=�Z3dBd?d@�Z4� Z5S )C� DataSourceEc2r )zhttp://169.254.169.254zhttp://[fd00:ec2::254]zhttp://instance-data.:8773z 2009-04-04)z 2021-03-23z 2018-09-24z 2016-09-02�extended_metadata_versions�x �2 NFc s t t| ��|||� d | _d S �N)�superr- �__init__�metadata_address)�self�sys_cfg�distro�paths�� __class__r& r' r3 e s zDataSourceEc2.__init__c C s t � S )z5Return the cloud name as identified during _get_data.)�identify_platform�r5 r& r& r' �_get_cloud_namei s z DataSourceEc2._get_cloud_namec C sZ t t�| jtt�d�\}}t�d|| j| j � |dkr#| jt j kr#dS | jt j kr+dS | j r{t�� r9t�d� dS z7t| jdd| j�� d��!}|jrPd|j� �nd }tjtjd |� �| jd �| _W d � n1 sjw Y W n tyz Y dS w tjtjd | jd �| _| js�dS | j�d d �| _| j�d d �| _| j�di ��di ��di �| _dS )N)r Nz0strict_mode: %s, cloud_name=%s cloud_platform=%s�trueFz1FreeBSD doesn't support running dhclient with -sfT)�ipv4�ipv6�tmp_dir� � zCrawl of metadata service��logfunc�msg�func� meta-data� user-data�dynamic�instance-identity�document) �read_strict_moder �get_cfg_by_pathr6 �STRICT_ID_PATH�STRICT_ID_DEFAULT�LOG�debug� cloud_name�platformr r$ r% �perform_dhcp_setup� is_FreeBSDr �fallback_interfacer7 �get_tmp_exec_path� state_msg�log_time�crawl_metadata�_crawled_metadatar �get�metadata� userdata_raw�identity)r5 � strict_mode�_sleep�netwrY r& r& r' � _get_datam sj ��� � � �� �� �zDataSourceEc2._get_datac C sL | j sdS | j �di ��di �}|�di ��� D ] \}}d|v r# dS qdS )z6Report if this instance type is Ec2 Classic (non-vpc).F�network� interfaces�macszvpc-idT)r^ r] �items)r5 � ifaces_md�_mac�mac_datar& r& r' �is_classic_instance� s �z!DataSourceEc2.is_classic_instancec C s | j sd S | j �d�S )Nzami-launch-index)r^ r] r< r& r& r' � launch_index� s zDataSourceEc2.launch_indexc C s. t | d�s tj�� | _| jstj�� | _| jS )N�_platform_type)�hasattrr- �dsname�lowerrn r< r& r& r' rT � s zDataSourceEc2.platformc C � dS )Nzlatest/api/tokenr& r< r& r& r' �api_token_route� � z DataSourceEc2.api_token_routec C rr )N�21600r& r< r& r& r' �imdsv2_token_ttl_seconds� rt z&DataSourceEc2.imdsv2_token_ttl_secondsc C rr )NzX-aws-ec2-metadata-tokenr& r< r& r& r' �imdsv2_token_put_header� rt z%DataSourceEc2.imdsv2_token_put_headerc C s | j d S )Nz -ttl-seconds)rw r< r& r& r' �imdsv2_token_req_header� s z%DataSourceEc2.imdsv2_token_req_headerc C s | j | jgS r1 )rw rx r< r& r& r' �imdsv2_token_redact� s z!DataSourceEc2.imdsv2_token_redactc C s� d}| � � }| jD ]M}|�| j|�}z tj||| jd�}W n tjy7 } z t� d||� W Y d}~q d}~ww |j dkrGt� d|� | S |j dkrVd}t� |||j � q | j S ) aE Get the best supported api version from the metadata service. Loop through all extended support metadata versions in order and return the most-fully featured metadata api version discovered. If extended_metadata_versions aren't present, return the datasource's min_metadata_version. z {0}/{1}/meta-data/instance-id)r* �headers�headers_redactzurl %s raised exception %sN�� z#Found preferred metadata version %sr( z0Metadata api version %s not present. Headers: %s) � _get_headersr. �formatr4 �uhelp�readurlry �UrlErrorrQ rR r) rz �min_metadata_version)r5 �url_tmplrz �api_verr* �resp�erF r& r& r' �get_metadata_api_version� s, ��� �z&DataSourceEc2.get_metadata_api_versionc C sd | j tjkr-t| dd �s#| �� }tj|| j| j| j | j d�� di �| _ | j � d| j d �S | j d S )Nr` �� headers_cbr{ � exception_cbrL � instanceIdz instance-id)rS r r �getattrr� r �get_instance_identityr4 r} ry �_refresh_stale_aws_token_cbr] r` r^ )r5 � api_versionr& r& r' �get_instance_id� s �� � z DataSourceEc2.get_instance_idc C s� | j tvrdS g }i }| j}d}|D ]}d�||�}|�|� |||< qt�d� d}d}| �� } ztj || j | j tj | j | j|| jdd� \}}W n tjyS Y nw |r_|r_|| _|| S dS )a Get an API token for EC2 Instance Metadata Service. On EC2. IMDS will always answer an API token, unless the instance owner has disabled the IMDS HTTP endpoint or the network topology conflicts with the configured hop-limit. N�PUT�{0}/{1}z Fetching Ec2 IMDSv2 API TokenF) �urls�max_wait�timeout� status_cbr� r� �request_methodr{ �connect_synchronously)rS � IDMSV2_SUPPORTED_CLOUD_PLATFORMSrs r~ �appendrQ rR �get_url_paramsr � wait_for_url�max_wait_seconds�timeout_seconds�warningr} �_imds_exception_cbry r� � _api_token) r5 �mdurlsr� �url2base�url_pathr� r* �cur�response� url_paramsr& r& r' �_maybe_fetch_api_token sB � �z$DataSourceEc2._maybe_fetch_api_tokenc C st | j }| �� }|jdkrdS |�d| j�}dd� |D �}t|�t|�kr2t�dtt|�t|� �� t |�r9|}nt� d� | j}| � |�}|s�| j t vr�g }i }dj| jd �}d } |D ]} d �| |�} |�| � | || < q\t�� } tj||j|jtj | j| j| d �\} } | r�|| }|r�|| _t�d | j� t|�S | j t v r�t� d� t|�S t�d|tt�� | �� t|�S )Nr F� metadata_urlsc S s g | ] }t �|�r|�qS r& )r �is_resolvable_url)�.0�xr& r& r' � <listcomp>D s z;DataSourceEc2.wait_for_metadata_service.<locals>.<listcomp>z,Removed the following from metadata urls: %sz+Empty metadata url list! using default listz{ver}/meta-data/instance-id)�ver�GETr� )r� r� r� r� r{ r� r� zUsing metadata source: '%s'z)IMDS's HTTP endpoint is probably disabledz(Giving up on md from %s after %s seconds)�ds_cfgr� r� r] r� �setrQ rR �list�lenr� r� rS r� r~ r� r� �timer r� r� ry r} r4 �critical�int�bool)r5 �mcfgr� r� �filteredr4 r� r� r� r� r* r� � start_time�_r& r& r' �wait_for_metadata_service; sl � � � � � ��z'DataSourceEc2.wait_for_metadata_servicec C s� d| j vrd S d }| j d }t|t�st�d|� d S |�� D ]\}}||kr+|} n |dkr5|dkr5|}q |d u rBt�d|� d S |}|�d�sMd| }tj� |�rU|S | � tj� |��}|rit�d||� |S |dkrod S |S ) Nzblock-device-mappingz+block-device-mapping not a dictionary: '%s'� ephemeral� ephemeral0z Unable to convert %s to a device�/z/dev/%sz Remapped device name %s => %s) r^ � isinstance�dictrQ rR rh � startswith�os�path�exists� _remap_device�basename)r5 �name�found�bdm�entname�device�ofound�remappedr& r& r' �device_name_to_device� s: � z#DataSourceEc2.device_name_to_devicec C sL z| j tjkr| j�d| jd d �W S | jd d W S ty% Y d S w )N�availabilityZone� placementzavailability-zone)rS r r r` r] r^ �KeyErrorr< r& r& r' �availability_zone� s � �z DataSourceEc2.availability_zonec C sR | j tjkr| j�d�}| jr|s| jd d� }|S | j}|d ur'|d d� S d S )N�region���)rS r r r` r] r� )r5 r� �azr& r& r' r� � s zDataSourceEc2.regionc C s0 |sd S | j tjkrtt�|tt�|� d S d S r1 )rS r r$ �warn_if_necessaryr rN rO rP )r5 �cfg�is_new_instancer& r& r' �activate� s ��zDataSourceEc2.activatec C s� | j tjkr | j S | jdu rt�d� dS d}td| jvo"| jtj k�}|r5t� d� t j tj d| j d� | j}| j�d�}t|t�rpt||t �| jdd�d �}| �� rot�| j�| _| jtj �t j � | jtj �t j � nt�d |� || _ | j S ) z@Return a network config dict for rendering ENI or netplan files.Nz8Unexpected call to network_config when metadata is None.re zPMetadata 'network' not present: Refreshing stale metadata from prior to upgrade.z Re-crawl of metadata servicerD � apply_full_imds_network_configT)� fallback_nic�full_network_configz%Metadata 'network' key not valid: %s.) �_network_configr �UNSETr^ rQ r� r� rS r r rR r rZ �get_datarW r] r� r� �#convert_ec2_metadata_network_config�get_cfg_option_boolr� rl �copy�deepcopy�default_update_eventsr �NETWORK�addr �BOOT� BOOT_LEGACY)r5 �result�no_network_metadata_on_aws�iface�net_mdr& r& r' �network_config� sZ � ��� �� � � �� z DataSourceEc2.network_configc s> | j d u r t| dd �}|r|| _ d | _| j S tt| �jS | j S )Nr� )�_fallback_interfacer� r� r2 r- rW )r5 � _legacy_fbnicr9 r& r' rW s �z DataSourceEc2.fallback_interfacec C s | � � si S | �� }| j}i }| jtv r | j}| j}d}n| jtjkr*d }}t }nd } }}z7t j || j | j ||d�|d< t j|| j | j |||d�|d< | jtjkrft j|| j | j ||d�}d|i|d< W n tyz t�td| j � i Y S w ||d < |S ) z�Crawl metadata service when available. @returns: Dictionary of crawled metadata content containing the keys: meta-data, user-data and dynamic. Nr� rI )r� r{ r� � retrieval_exception_ignore_cbrH rK rJ z'Failed reading from metadata address %s�_metadata_api_version)r� r� ry rS r� r� �#_skip_or_refresh_stale_aws_token_cbr r# r, r �get_instance_userdatar4 r} �get_instance_metadatar r� � Exceptionr �logexcrQ )r5 r� �redact�crawled_metadata�exc_cb� exc_cb_ud�skip_cbr` r& r& r' r[ % sb � � � � ��z DataSourceEc2.crawl_metadatac C s� | j tvrdS |du r| j}t�d� | j|i}d�| j| j�}zt j ||| j dd�}W |jS t j yI } zt� d||� W Y d}~dS d}~ww )z�Request new metadata API token. @param seconds: The lifetime of the token in seconds @return: The API token or None if unavailable. Nz!Refreshing Ec2 metadata API tokenz{}/{}r� )rz r{ r� z/Unable to get API token: %s raised exception %s)rS r� rv rQ rR rx r~ r4 rs r r� ry r� r� �contents)r5 �seconds�request_header� token_urlr� r� r& r& r' �_refresh_api_token\ s, � ����z DataSourceEc2._refresh_api_tokenc C s$ t �t j||�}|s dS | �||�S )zSCallback will not retry on SKIP_USERDATA_CODES or if no token is available.F)r �skip_retry_on_codes�SKIP_USERDATA_CODESr� )r5 rF r+ �retryr& r& r' r� y s � z1DataSourceEc2._skip_or_refresh_stale_aws_token_cbc C s* t |tj�r|jdkrt�d� d| _dS )z=Exception handler for Ec2 to refresh token if token is stale.i� z+Clearing cached Ec2 API token due to expiryNT)r� r r� r) rQ rR r� �r5 rF r+ r& r& r' r� � s z)DataSourceEc2._refresh_stale_aws_token_cbc C sN t |tj�r!|jr#|jdkr%|jdkrt�d� |�t�d� |�dS dS dS )a2 Fail quickly on proper AWS if IMDSv2 rejects API token request Guidance from Amazon is that if IMDSv2 had disabled token requests by returning a 403, or cloud-init malformed requests resulting in other 40X errors, we want the datasource detection to fail quickly without retries as those symptoms will likely not be resolved by retries. Exceptions such as requests.ConnectionError due to IMDS being temporarily unroutable or unavailable will still retry due to the callsite wait_for_url. i� i� zLEc2 IMDS endpoint returned a 403 error. HTTP endpoint is disabled. Aborting.z2Fatal error while requesting Ec2 IMDSv2 API tokensN)r� r r� r) rQ r� r r& r& r' r� � s ����z DataSourceEc2._imds_exception_cbrC c C sN | j tvri S | j| ji}| j|v r|S | js!| �� | _| js!i S | j| jiS )z�Return a dict of headers for accessing a url. If _api_token is unset on AWS, attempt to refresh the token via a PUT and then return the updated token header. )rS r� rx rv rs r� r rw )r5 r* �request_token_headerr& r& r' r} � s � zDataSourceEc2._get_headersr1 )rC )6r r r rp r� r� r. r �str�__annotations__� url_max_wait� url_timeoutr� r r� r� rU r r� r �BOOT_NEW_INSTANCEr� r� �HOTPLUG�supported_update_eventsr3 r= rd rl �propertyrm rT rs rv rw rx ry r� r� r� r� r� r� r� r� r� rW r[ r r� r� r� r} � __classcell__r& r& r9 r' r- : sn �� 8 2I3 < 7 r- c s$ e Zd ZdZdZ� fdd�Z� ZS )�DataSourceEc2Localay Datasource run at init-local which sets up network to query metadata. 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. Tc s8 t jt jf}| j|vrt�d|| j� dS tt| ��� S )Nz+Local Ec2 mode only supported on %s, not %sF) r r r# rS rQ rR r2 r r� )r5 �supported_platformsr9 r& r' r� � s �zDataSourceEc2Local.get_data)r r r �__doc__rU r� r r& r& r9 r' r � s r c C s> zt | �W S ty } z t�|� |W Y d }~S d }~ww r1 )�parse_strict_mode� ValueErrorrQ r� )�cfgval�defaultr� r& r& r' rM � s ��rM c C s� | du rdS | du r dS | sdS | � d�\}}}|dvr$td|| f ��|rEz t|�}W ||fS tyD } z td || f �|�d }~ww d }||fS ) NT)r> NF)�falseN)r r �,)r> r r zUInvalid mode '%s' in strict_id setting '%s': Expected one of 'true', 'false', 'warn'.z<Invalid sleep '%s' in strict_id setting '%s': not an integer)� partitionr r� )r �moder� �sleepr� r& r& r' r � s: �� ������r c C sd zt | �\}}W n ty } z t�|� W Y d }~d S d }~ww |dkr'd S tjd|d|d� d S )Nr � non_ec2_mdT)r r )r r rQ r� r � show_warning)r r� r r r� r& r& r' r� � s ��r� c C � | d dkr t jS d S )N� product_namezAlibaba Cloud ECS)r r ��datar& r& r' �identify_aliyun � �r" c C s4 | d � d�r| d dks| d | d krtjS d S )N�uuidr � uuid_source� hypervisor�serial)r� r r r r& r& r' � identify_aws s r( c C � | d � d�r tjS d S )Nr' z.brightbox.com)�endswithr r r r& r& r' �identify_brightbox � �r+ c C r) )N� asset_tagz .zstack.io)r* r r! r r& r& r' �identify_zstack r, r. c C r )N�vendorr )r r" r r& r& r' �identify_e24cloud$ r# r0 c C s. | d d� � kr| d d� � krtjS d S d S )Nr z3DS Outscale VMr/ z 3DS Outscale)rq r r# r r& r& r' �identify_outscale) s �r1 c C sx t � } ttttttdd� f}|D ])}z || �}|r |W S W q ty9 } zt� d|| |� W Y d }~qd }~ww d S )Nc S s t jS r1 )r r$ )r� r& r& r' �<lambda>; s z#identify_platform.<locals>.<lambda>z'calling %s with %s raised exception: %s) �_collect_platform_datar( r+ r. r0 r1 r" r� rQ r� )r! �checks�checkerr� r� r& r& r' r; 1 s, � �����r; c C s� i } z t �d��� }d| d< W n ty! t�d�}d| d< Y nw |du r(d}|�� | d< t�d �}|du r9d}|�� | d < t�d �}|du rJd}|�� | d < t�d �}|rY|nd�� | d< t�d�}|rh|nd�� | d< | S )a� Returns a dictionary of platform info from dmi or /sys/hypervisor. Keys in the dictionary are as follows: uuid: system-uuid from dmi or /sys/hypervisor uuid_source: 'hypervisor' (/sys/hypervisor/uuid) or 'dmi' serial: dmi 'system-serial-number' (/sys/.../product_serial) asset_tag: 'dmidecode -s chassis-asset-tag' vendor: dmi 'system-manufacturer' (/sys/.../sys_vendor) product_name: dmi 'system-product-name' (/sys/.../system-manufacturer) On Ec2 instances experimentation is that product_serial is upper case, and product_uuid is lower case. This returns lower case values for both. z/sys/hypervisor/uuidr& r% z system-uuidr NrC r$ zsystem-serial-numberr' zchassis-asset-tagr- zsystem-manufacturerr/ zsystem-product-namer )r � load_file�stripr� r � read_dmi_datarq )r! r$ r' r- r/ r r& r& r' r3 H s0 � r3 Tc C sz di d�}|s t �� }| d d }|sC|�� D ] \}}||kr! nqddd|�� i|d�}|�|�} | �d �r;d|d < ||d |< |S d } t|�� �D ]K\}}|�|�} | sWqKt| �d | ��d } d| d i} d| dd|�� i|d�}| �d �r�d|d < | |d< t| |�|d< |d s�|�d� ||d |< qKt |d �dkr�|d � � D ]}|d | �d� |d | �dd� q�|S )a Convert ec2 metadata to network config version 2 data dict. @param: network_md: 'network' portion of EC2 metadata. generally formed as {"interfaces": {"macs": {}} where 'macs' is a dictionary with mac address as key and contents like: {"device-number": "0", "interface-id": "...", "local-ipv4s": ...} @param: macs_to_nics: Optional dict of mac addresses and nic names. If not provided, get_interfaces_by_mac is called to get it from the OS. @param: fallback_nic: Optionally provide the primary nic interface name. This nic will be guaranteed to minimally have a dhcp4 configuration. @param: full_network_config: Boolean set True to configure all networking presented by IMDS. This includes rendering secondary IPv4 and IPv6 addresses on all NICs and rendering network config on secondary NICs. If False, only the primary nic will be configured and only with dhcp (IPv4/IPv6). @return A dict of network config version 2 based on the metadata and macs. � )�version� ethernetsrf rg TF� macaddress)�dhcp4�dhcp6�match�set-name�ipv6sr> r; r z device-number� z route-metric�d )r= �dhcp4-overridesr> r? r@ zdhcp6-overrides� addressesrD N) r �get_interfaces_by_macrh rq r] �sortedr� �get_secondary_addresses�popr� �keys) � network_md� macs_to_nicsr� r� �netcfg� macs_metadata�mac�nic_name� dev_config� nic_metadata�nic_idx� dhcp_overrider& r& r' r� w sX � � � r� c C s� | � d�}| � d�}g }tt|t�ot|�dk�r$|�t| d||d�� tt|t�o/t|�dk�r<|�t| d||d�� t|�S )z�Parse interface-specific nic metadata and return any secondary IPs :return: List of secondary IPv4 or IPv6 addresses to configure on the interface z local-ipv4srA rB zsubnet-ipv4-cidr-block�24zsubnet-ipv6-cidr-block�128)r] r� r� r� r� �extend�_get_secondary_addressesrG )rR rO �ipv4srA rE r& r& r' rH � s �� ��rH c C s� g }| � |�}|}|rt|�d��dkr'd|v rdnd}t�d|||||� n|�d�d }|dd� D ] } |�dj| |d �� q4|S ) z�Return list of IP addresses as CIDRs for secondary IPs The CIDR prefix will be default_prefix if cidr_key is absent or not parseable in nic_metadata. r� r9 r? r@ zJCould not parse %s %s for mac %s. %s network config prefix defaults to /%srB Nz {ip}/{prefix})�ip�prefix)r] r� �splitrQ r� r� r~ ) rR �cidr_keyrO �ips�default_prefixrE �cidrr[ �ip_typerZ r& r& r' rX � s" � rX c C s t �| t�S r1 )r �list_from_depends� datasources)�dependsr& r& r' �get_datasource_list� s re )NNT):r� r� r� �typingr � cloudinitr r �loggingr r r r r r �cloudinit.eventr r �cloudinit.net.dhcpr �cloudinit.net.ephemeralr �cloudinit.sources.helpersr � getLoggerr rQ � frozenset� NOT_FOUND�SKIP_METADATA_URL_CODESrO rP r r, r r r� � DataSourcer- r rM r r� r" r( r+ r. r0 r1 r; r3 r� rH rX �DEP_FILESYSTEM� DEP_NETWORKrc re r& r& r& r' �<module> s\ ! 0 �I �
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