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If the key is present as a single string it will be returned as a list with one string arg. @param yobj: The configuration object. @param key: The configuration key to get. @param default: The default to return if key is not found. @return: The configuration option as a list of strings or default if key is not found. Nc S s g | ]}|�qS r9 r9 rR r9 r9 r: rO � s z'get_cfg_option_list.<locals>.<listcomp>)ri r� rj )r' r( r� r` �cvalr9 r9 r: �get_cfg_option_list� s rp c C s> t |t�r |�d�}| }|D ]}||vr| S || }q|S )a� Return the value of the item at path C{keyp} in C{yobj}. example: get_cfg_by_path({'a': {'b': {'num': 4}}}, 'a/b/num') == 4 get_cfg_by_path({'a': {'b': {'num': 4}}}, 'c/d') == None @param yobj: A dictionary. @param keyp: A path inside yobj. it can be a '/' delimited string, or an iterable. @param default: The default to return if the path does not exist. @return: The value of the item at keyp." is not found.�/)ri rj r8 )r' �keypr� �cur�tokr9 r9 r: �get_cfg_by_path� s ru c C s t | |�\}}t||� ||fS r� )�get_output_cfg�redirect_output)�cfg�mode�outfmt�errfmtr9 r9 r: � fixup_output� s r| c C s� t tj�d��rt�d� d S |stj}|stj}dd� }| r�t�d|| � | � dd�\}}|dks6|d krDd }|dkr>d }t ||�}n |d kr[t j |d t j |d�} ttt | j�}ntd| ��|rmt�|�� |�� � || kr�t�d|| � t�|�� |�� � d S |r�t�d||� |� dd�\}}|dks�|d kr�d }|dkr�d }t ||�}n |d kr�t j |d t j |d�} ttt | j�}ntd| ��|r�t�|�� |�� � d S d S d S )N�_CLOUD_INIT_SAVE_STDOUTz5Not redirecting output due to _CLOUD_INIT_SAVE_STDOUTc S s> t �d� zt�d�j} W n ty Y dS w t �| � dS )a� Reconfigure umask and group ID to create output files securely. This is passed to subprocess.Popen as preexec_fn, so it is executed in the context of the newly-created process. It: * sets the umask of the process so created files aren't world-readable * if an adm group exists in the system, sets that as the process' GID (so that the created file(s) are owned by root:adm) � �admN)r5 �umask�grp�getgrnam�gr_gid�KeyError�setgid)�group_idr9 r9 r: � set_subprocess_umask_and_gid� s �z5redirect_output.<locals>.set_subprocess_umask_and_gidzRedirecting %s to %s� r� �>�>>�ab�wb�|T)�shell�stdin� preexec_fnz"Invalid type for output format: %sz!Invalid type for error format: %s)r� r5 �environrF rX r� �sysr? �stderrr8 �open� subprocess�Popen�PIPEr r r r� rs �dup2�fileno) rz r{ �o_out�o_errr� ry �arg�owith�new_fp�procr9 r9 r: rw � sh � � �rw �sourcesc C sR |rt t| ��} i }| D ]}|r&t�|�}|st�� }t�|�}|�||�}q |S )aF Merge multiple dicts according to the dict merger rules. Dict merger rules can be found in cloud-init documentation. If no mergers have been specified, entries will be recursively added, but no values get replaced if they already exist. Functionally, this means that the highest priority keys must be specified first. Example: a = { "a": 1, "b": 2, "c": [1, 2, 3], "d": { "a": 1, "b": 2, }, } b = { "a": 10, "c": [4], "d": { "a": 3, "f": 10, }, "e": 20, } mergemanydict([a, b]) results in: { 'a': 1, 'b': 2, 'c': [1, 2, 3], 'd': { 'a': 1, 'b': 2, 'f': 10, }, 'e': 20, } )r� �reversedr �dict_extract_mergers�default_mergers� construct�merge)r� �reverse� merged_cfgrx �mergers_to_apply�mergerr9 r9 r: � mergemanydictC s * �r� c c s8 � t �� }zt �| � | V W t �|� d S t �|� w r� )r5 �getcwd�chdir)�ndir�currr9 r9 r: r� { s � r� c c s0 � t �| �}z |V W t �|� d S t �|� w r� )r5 r� )�n_msk�oldr9 r9 r: r� � s � r� c C s dj | |d|d�S )Nz{0:{fill}{align}{size}}�^)�fill�align�size)�format)rn r� �max_lenr9 r9 r: �center� s �r� c C s2 t �d| � zt�| � W dS ty Y dS w )z� Deletes a directory and all its contents by calling shutil.rmtree Will ignore FileNotFoundError @param path: The path of the directory. """ zRecursively deleting %sN)rX r� �shutil�rmtreer� �r� r9 r9 r: �del_dir� s �r� r� � c C st z t |||d�\}}}}|| d< || d< || d< || d< W dS tjy9 } z|jtjkr4W Y d}~dS � d}~ww ) z� returns boolean indicating success or failure (presense of files) if files are present, populates 'fill' dictionary with 'user-data' and 'meta-data' entries )�base�ext�timeout� user-data� vendor-data� meta-dataznetwork-configTNF)� read_seededr" �UrlError�code� NOT_FOUND) r� r� r� r� �md�ud�vd�networkr� r9 r9 r: �read_optional_seed� s ��r� c C s� i }| s ddg}nt j�| �d�d�t j�| �d�d�g}t|�}dd� |D �}d }|D ]}t j�t j�|d��rBt j�|d�} nq,d }|D ]}t j�t j�|d��r]t j�|d�} nqG|rl|rl||d < ||d < |S |rr||d < |S ) Nz/var/lib/cloud/data/sslz /var/lib/cloud/instance/data/sslrN �sslc S s g | ] }|rt j�|�r|�qS r9 )r5 r� �isdir)rK �dr9 r9 r: rO � s z%fetch_ssl_details.<locals>.<listcomp>zcert.pemzkey.pem� cert_file�key_file)r5 r� rZ � get_ipath_cur� get_cpathr� r )�paths� ssl_details�ssl_cert_pathsr� r� r� r9 r9 r: �fetch_ssl_details� s: �����r� c C s |}t | �} z/t�dt| �|� t�| �}|d u r!t�d� |}nt||�s1td|t� |�f ��|}W |S tj tt fy� } zJd}d }t |d�rUt |d�rUt |d�}nt |d�rdt |d�rdt |d�}|rw|dj|jd |jd |d �7 }n|d j|d �7 }t�|� W Y d }~|S d }~ww ) NzKAttempting to load yaml from string of length %s with allowed root types %sz-loaded blob returned None, returning default.z2Yaml load allows %s root types, but got %s insteadzFailed loading yaml blob� context_mark� problem_markz5. Invalid format at line {line} column {col}: "{err}"r� )r^ �colrb z. {err})rb )rl rX r� r �yaml� safe_loadri rs r! r� � YAMLError� ValueError�hasattr�getattrr� r^ �columnrY )rd r� �allowed�loaded� convertedr� �msg�markr9 r9 r: r� � sL � ��� ����r� � c C sV | � d�dkr | �dd| �}| �dd| �}| �dd| �}n*tjr5| d dkr5t�| �jdkr5| d7 } d | d|f }d | d|f }d | d|f }d }tj|||d �}d } |� � rat |j i d �} tj|||d �} d } | � � rr| j } d } z tj|||d �} W n tj y� } z t �d |� W Y d }~nd }~ww | � � r�| j } nt �d � | | | |fS )Nz%sr r� r� r� r rq r� z%s%s%s)r� �retriesr� z!Error in vendor-data response: %sz Error in vendor-data response)r r� r �%NOCLOUD_SEED_URL_APPEND_FORWARD_SLASHr �urlparse�queryr" �read_file_or_url�okr� �contentsr� rX r� )r� r� r� r� �ud_url�vd_url�md_urlr� �md_respr� �ud_respr� r� �vd_respr� r9 r9 r: r� � sH �� ��� r� c s� t t�� �dd�}dd� |D �}� fdd�|D �}g }|D ];}tj�� |�}z |�t||d�� W q ty@ t� d|� Y q t yX } z t� d||� W Y d }~q d }~ww t |�S ) z Read configuration directory.T�r� c S � g | ] }|� d �r|�qS )z.cfg)�endswith�rK �fr9 r9 r: rO 1 � z read_conf_d.<locals>.<listcomp>c s& g | ]}t j�t j�� |��r|�qS r9 )r5 r� r rZ r� ��confdr9 r: rO 4 s & r� �1REDACTED config part %s, insufficient permissions� Error accessing file %s: [%s]N) r� r5 �listdirr� rZ r� r� �PermissionErrorrX rY r� r� )r� r� �confs�cfgsr� r� r� r9 r� r: � read_conf_d+ s, �� ���r c C s t � }i }zt| |d�}W n' ty t�d| � Y n ty4 } z t�d| |� W Y d}~n d}~ww |�|� d}d|v r]|d }|r\t|t�sVt d| t � |�f ��t|�� � }nt j�| � d��rk| � d�}|r~t j�|�r~t||d�}|�|� t|�S ) a Read yaml file along with optional ".d" directory, return merged config Given a yaml file, load the file as a dictionary. Additionally, if there exists a same-named directory with .d extension, read all files from that directory in order and return the merged config. The template file is optional and will be applied to any applicable jinja file in the configs. For example, this function can read both /etc/cloud/cloud.cfg and all files in /etc/cloud/cloud.cfg.d and merge all configs into a single dict. r� r� r� Nr� �conf_dz8Config file %s contains 'conf_d' with non-string type %sz.d)r r� r� rX rY r� r� ri rj rs r! r� r@ r5 r� r� r � appendleftr� )�cfgfiler� r rx r� r� � confd_cfgr9 r9 r: �read_conf_with_confdK s> ��� �� � r c C s t t| d��S )N��cmdline)r� �read_cc_from_cmdliner r9 r9 r: �read_conf_from_cmdlinez r r c C s� | d u rt � } d| � �} d}d}t|�}t|�}t| �}g }| �|�}|dkrU| �||| �}|dk r5|}|�t�| || |� �� ��dd�� | �||| �}|dks'd�|�S )Nr� z cc:�end_ccr z\n� ) � get_cmdliner r r� r �unquote�lstripr� rZ ) r � tag_begin�tag_end�begin_l�end_l�clen�tokens�begin�endr9 r9 r: r s, ��� r c C s2 | � d�}|dks| |d dkr| S | �dd�S )Nr r r� � z )r r� )r� �posr9 r9 r: �dos2unix� s r c @ s& e Zd ZU eed< eed< eed< dS )�HostnameFqdnInfo�hostname�fqdn� is_defaultN)r� r� r� rj �__annotations__r� r9 r9 r9 r: r � s r c C s� d}d| v rt | d �}t| d|�d�d �}n6d| v r5| d �d�dkr5| d }| d d|�d�� }n|jd|d�j}d| v rF| d }n|j|d �\}}t|||�S ) a� Get hostname and fqdn from config if present and fallback to cloud. @param cfg: Dictionary of merged user-data configuration (from init.cfg). @param cloud: Cloud instance from init.cloudify(). @param metadata_only: Boolean, set True to only query meta-data, returning None if not present in meta-data. @return: a namedtuple of <hostname>, <fqdn>, <is_default> (str, str, bool). Values can be none when metadata_only is True and no cfg or metadata provides hostname info. is_default is a bool and it's true only if hostname is localhost and was returned by util.get_hostname() as a default. This is used to differentiate with a user-defined localhost hostname. Fr r r0 r NT)r � metadata_only)r! )rj r* r8 r � get_hostnamer r )rx �cloudr! r r r r9 r9 r: �get_hostname_fqdn� s$ �� � r$ � /etc/hostsc C s� d}z=t |��� D ]3}|�d�}|dkr|d|� }|�� }|s!q |�� }t|�dk r,q | |dd� v r<|d } W |S q W |S tyI Y |S w )a� For each host a single line should be present with the following information: IP_address canonical_hostname [aliases...] Fields of the entry are separated by any number of blanks and/or tab characters. Text from a "#" character until the end of the line is a comment, and is ignored. Host names may contain only alphanumeric characters, minus signs ("-"), and periods ("."). They must begin with an alphabetic character and end with an alphanumeric character. Optional aliases provide for name changes, alternate spellings, shorter hostnames, or generic hostnames (for example, localhost). N�#r � r1 r� )r� rU r r@ r8 r �IOError)r �filenamer r^ �hashpos�toksr9 r9 r: �get_fqdn_from_hosts� s. �� ��r, z Resolving URLc C sP t �| �}|j}tdu r_t� }d}i }|D ]?}z0t�|dddtjtj�}g ||< |D ]\}} } } } || � d| | d f � |� | d � q*W q tj tj fyT Y qw |a|r_t �d|� z:tt�� t�|j�d��rx W d � W dS W d � n1 s�w Y t�|d�}|d d d } | tvW S tj tj fy� Y d S w ) a� determine if a url's network address is resolvable, return a boolean This also attempts to be resilent against dns redirection. Note, that normal nsswitch resolution is used here. So in order to avoid any utilization of 'search' entries in /etc/resolv.conf we have to append '.'. The top level 'invalid' domain is invalid per RFC. And example.com should also not exist. The '__cloud_init_expected_not_found__' entry will be resolved inside the search list. N)zdoes-not-exist.example.com.zexample.invalid.�!__cloud_init_expected_not_found__r z%s: %sz detected dns redirection: %sz[]T� F)r r� r �_DNS_REDIRECT_IP�set�socket� getaddrinfo� SOCK_STREAM� AI_CANONNAMEr� �add�gaierror�errorrX r� r r� r � is_ip_address�netlocr@ )�url� parsed_urlr. �badips�badnames� badresults�iname�result�_fam�_stype�_proto�cname�sockaddr�addrr9 r9 r: � is_resolvable sF ��� � � �rG c C s t �� } | S r� )r1 � gethostname)r r9 r9 r: r" 7 s r" c C s( zt �| �d W S t jy Y d S w �Nr )r1 � gethostbyaddr�herror)�ipr9 r9 r: rJ < s �rJ c C s t | �S )z5determine if this url is resolvable (existing or ip).)rG )r: r9 r9 r: �is_resolvable_urlC s rM c C sZ | du rdS t �d| � | D ] }zt|�r t �d|� |W S W q ty* Y qw dS )zc Search through a list of mirror urls for one that works This needs to return quickly. Nz%search for mirror in candidates: '%s'zfound working mirror: '%s')rX r� rM r� )� candidates�candr9 r9 r: �search_for_mirrorH s � �rP �devicec C sz g }| st � d�t � d� S | �d�r'| �d�}dd� d| d| fD �}|S | dkr2t � d�}|S | d kr;t � d�}|S ) Nz/dev/msdosfs/*z/dev/iso9660/*�LABEL=c S � g | ] }t j�|�r|�qS r9 �r5 r� r� )rK �pr9 r9 r: rO c s ��z*find_devs_with_freebsd.<locals>.<listcomp>z /dev/msdosfs/z /dev/iso9660/� TYPE=vfat� TYPE=iso9660)r � startswithr )�criteria�oformat�tag�no_cacher� �devlist�labelr9 r9 r: �find_devs_with_freebsd[ s � � � r_ c C s� g }d }d }d}| r | � d�r| �d�}| � d�r | �d�}tjg d�dgd�} | j�� D ]5} |s3|r@tjd| gddgd�\}} |rId | |vrIq-|d krRd |vrRq-|d kr[d |v r[q-|�d | � q-|S )Nr� rR zTYPE=��sysctl�-nz hw.disknamesr ��rcs� mscdlabelr� z label "%s"�iso9660zISO filesystem�vfat�/dev/)rX r r r? r8 r� ) rY rZ r[ r\ r� r] r^ �_type� mscdlabel_outrA �devr' r9 r9 r: �find_devs_with_netbsdo s* rl c C s� t j g d�dgd�}g }|j�� �d�D ](}|�d�s q|dkr!q|�|d d� d � |�d �s<|�|d d� d � qd d � |D �S ) Nr` r rc rP rJ zfd0:r r� �cd�ic S � g | ]}d | �qS �rh r9 �rK rn r9 r9 r: rO � r� z*find_devs_with_openbsd.<locals>.<listcomp>)r r? �rstripr8 r� r� rX )rY rZ r[ r\ r� rA r] rO r9 r9 r: �find_devs_with_openbsd� s �rs c C s~ t j g d�dgd�}dd� t|j�� dd�D �}| dkr$d d� |D �}n| d v r0d d� |D �}n| r8t�d | � d d� |D �S )N)ra rb z kern.disksr rc c S s$ g | ]}|� d �s|� d�s|�qS )r� �vn�rX rq r9 r9 r: rO � s ���z/find_devs_with_dragonflybsd.<locals>.<listcomp>Tr� rW c S r� �)rm �acdru rq r9 r9 r: rO � r� )zLABEL=CONFIG-2rV c S s g | ] }|� d �s|�qS rv ru rq r9 r9 r: rO � r� zUnexpected criteria: %sc S ro rp r9 rq r9 r9 r: rO � r� )r r� r? r8 rX r� )rY rZ r[ r\ r� rA r] r9 r9 r: �find_devs_with_dragonflybsd� s � rx c C s@ t � r t| ||||�S t� rt| ||||�S t� r!t| ||||�S t� r,t| ||||�S dg}g }| r:|�d| � |rC|�d| � |rL|� ddg� |rU|�d| � |r\|�|� || }z t j |ddgd �\}} W n t j y� } z| j t kr~d }n� W Y d } ~ nd } ~ ww g } |�� D ] } | �� } | r�| �| � q�| S ) z� find devices matching given criteria (via blkid) criteria can be *one* of: TYPE=<filesystem> LABEL=<label> UUID=<uuid> �blkidz-t%sz-s%s�-c� /dev/nullz-o%sr r1 rc r� N)r r_ r# rl r% rs r! rx r� r� r r[ �errnor rU r@ ) rY rZ r[ r\ r� � blk_id_cmd�options�cmdrA �_errr� r r^ r9 r9 r: �find_devs_with� sN � ��� �r� c C s� | du rg } nt | �} g d�}|r|�ddg� |�| � tj|ddd�}i }|j�� D ]}|�d�\}}}t|�||< ||| d < q,|S ) z�Get all device tags details from blkid. @param devs: Optional list of device paths you wish to query. @param disable_cache: Bool, set True to start with clean cache. @return: Dict of key value pairs of info for the device. N)ry �-o�fullrz r{ Tr� )r> rk rJ �DEVNAME)r� r� r r? rU rV rE ) �devs� disable_cacher rA �retr^ rk r' rN r9 r9 r: ry � s ry c C s& g }| D ] }||v r q|� |� q|S r� )r� )�in_list�out_listrn r9 r9 r: r� s r� ��read_cbr� r_ r� r� c C s� t jddd�}t�d| |� |�K t�� �7}z t| d��}t|||d� W d � n1 s.w Y W n ty@ |s>� Y nw |� � }W d � n1 sOw Y W d � n1 s^w Y t�dt |�| |j � |S )Nr� �skip)�log_modezReading from %s (quiet=%s)r� )�chunk_cbzReading %s bytes from %s%s) r �TimedrX r� r� r� r� � pipe_in_outr� �getvaluer �output)r_ r� r� �timer�ofh�ifhr� r9 r9 r: �load_binary_file s( �� �� �� � r� c C r+ )Nr� )rl r� )r_ r� r� r9 r9 r: r� + s r� c C s� t � r0ztd�} | �dd�d d� }W |S ty/ } zt�d|� d}W Y d }~|S d }~ww z td��� }W |S tyE d}Y |S w )Nz/proc/1/cmdline� r� r z"failed reading /proc/1/cmdline: %sr� z /proc/cmdline)� is_containerr� r� r� rX rY r@ )r� r r� r9 r9 r: � _get_cmdline4 s$ � �� ��r� c C s dt jv r t jd S t� S )N�DEBUG_PROC_CMDLINE)r5 r� r� r9 r9 r9 r: r G s r c C s4 d} z t | ��� }|dkW S ttfy Y dS w )Nz /proc/sys/crypto/fips_enabledr) F)r� r@ r( r� )� fips_procr� r9 r9 r: � fips_enabledN s �r� � c C sN d} | � |�}t|�dkrn|�|� |t|�7 }|r ||� q|�� |S rI )r� r �write�flush)�in_fh�out_fh� chunk_sizer� � bytes_pipedrN r9 r9 r: r� Z s � r� c C s6 |dv r |dv r d S t �d| ||� t�| ||� d S )N)Nr z%Changing the ownership of %s to %s:%s)rX r� r5 �chown)r_ �uid�gidr9 r9 r: � chownbyidi s r� c C sd d}d}z|r t �|�j}|rt�|�j}W n ty) } ztd| �|�d }~ww t| ||� d S )Nr zUnknown user or group: %s) �pwd�getpwnam�pw_uidr� r� r� r� r� r� )r_ �userr9 r� r� r� r9 r9 r: � chownbynameq s ���r� rx ry c C s` ddg}| r d| vr |S | d }||v r|| }n d|vr |S |d }t |t�r,||g}t |t�rIt|�dkr=|d |d< t|�dkrI|d |d< t |t�rbd|v rX|d |d< d|v rb|d |d< |d dkrn|d |d< g d�}t|�D ]7\}}|s}qv|�� }d } |D ]} |�| �r�d | |t| �d� �� f }d } nq�| s�d d |�� f }|||< qv|S ) a� Get the output configuration for a given mode. The output config is a dictionary that specifies how to deal with stdout and stderr for the cloud-init modules. It is a (frustratingly) flexible format that can take multiple forms such as: output: { all: "| tee -a /var/log/cloud-init-output.log" } or output: init: output: "> /var/log/cloud-init.out" error: "> /var/log/cloud-init.err" config: "tee -a /var/log/cloud-config.log" final: - ">> /var/log/cloud-final.out" - "/var/log/cloud-final.err" Mode can be one of the configuration stages. If you pass a non-existent mode, it will assume the "all" mode configuration if defined. Stderr can be specified as &1 to indicate that it should be the same as stdout. If a file is specified with no redirection, it will default to appending to the file. If not overridden, output is provided in '/etc/cloud/config/cloud.cfg.d/05_logging.cfg' and defaults to: {"all": "| tee -a /var/log/cloud-init-output.log"} :param cfg: The base configuration that may or may not contain the 'output' configuration dictionary :param mode: The mode to get the output configuration for. :return: A list of two strings (or Nones), the first for stdout for the specified mode and the second for stderr. Nr� �allr r� r7 z&1)r� r� r� Fz%s %sTr� ) ri rj r� r r\ � enumerater rX r@ ) rx ry r� �outcfg�modecfg�swlistrn r� r` rN �sr9 r9 r: rv ~ sN ' � rv c C s� g }g }| r t | t�s |S | �d�}|r|�|� t| d�D ]4}|s#q t�d|�}|s,q |�d�}|�� }t |�dkrA|�|� q ddg|dd� krR|�|d � q |D ] }t � |� d ��D ]} t j � | �rp| |krp|�| � q_qUtt|| ��S ) a= Return a list of log file paths from the configuration dictionary. Obtains the paths from the 'def_log_file' and 'output' configuration defined in the base configuration. If not provided in base configuration, 'def_log_file' is specified in 'cloudinit/settings.py' and defaults to: /var/log/cloud-init.log If not overridden, output is provided in '/etc/cloud/config/cloud.cfg.d/05_logging.cfg' and defaults to: {"all": "| tee -a /var/log/cloud-init-output.log"} @param cfg: The cloud-init merged configuration dictionary. � def_log_fileNz (?P<type>\||>+)\s*(?P<target>.*)�targetr� �teez-ar1 �*)ri r\ rF r� rv r3 r4 r9 r8 r r r5 r� r r� r0 ) rx �logs� rotated_logs� default_log�fmtr4 r� �parts�logfile�rotated_logfiler9 r9 r: �get_config_logfiles� s6 � ��r� �routinec C s8 t �|�}|�t| �� |�� }|d ur|d|� S |S rI )�hashlib�new�updaterq � hexdigest)rd r� �mlen�hasher�digestr9 r9 r: � hash_blob s r� c C �, z t �| �r W dS W d S ty Y dS w r� )r� r� r� �r. r9 r9 r: �is_user � � �r� c C r� r� )r� r� r� r� r9 r9 r: �is_group! r� r� c C � t �d| |� t�| |� d S )NzRenaming %s to %s)rX r� r5 �rename��src�destr9 r9 r: r� ) s r� �� c C s | D ]}t ||� qd S r� )� ensure_dir)�dirlistry r� r9 r9 r: � ensure_dirs/ s �r� z Loading jsonc C sH t �t| ��}t|t|��s"d�dd� |D ��}td|t|�f ��|S )N�, c S s g | ]}t |��qS r9 )rj )rK �tr9 r9 r: rO 8 r� z load_json.<locals>.<listcomp>z((%s) root types expected, got %s instead)�json�loadsrl ri r2 rZ rs rt )rn � root_types�decoded�expected_typesr9 r9 r: � load_json4 s ��r� c C s8 t j�| �}|t j�|�kr| S t j�|�r| S t|�S )z�Get the last directory in a path that does not exist. Example: when path=/usr/a/b and /usr/a does not exis but /usr does, return /usr/a )r5 r� �dirnamer� �get_non_exist_parent_dir)r� �p_pathr9 r9 r: r� @ s r� c C s� t j�| �sht| �}t j�| �}d}|dkrd}t||d�� t �| � W d � n1 s.w Y t| |� |s<|rdt|||� t | � |�d dd � �}t |�}|j D ]} |� | �}t|||� qVd S d S t| |� d S )NTrq Fr� r� ) r5 r� r� r� r� r� �makedirs�chmodr� r r8 r� �joinpath) r� ry r� r9 �non_existed_parent_dir�dir_name�selinux_recursive�sub_relative_dir�sub_pathr} r9 r9 r: r� Q s( � �r� c c sD � z| V W | rd| g}t � |� d S d S | r!d| g}t � |� w w )N�umount)r )r� � umount_cmdr9 r9 r: � unmounterl s �� �r� c C s i } z{t j�d�rtd��� }d}n t�d�}|j�� }d}t�d�}|D ]N}|dkr?|� � }t |�dkr6q%|\}}} } } } n&|� |�} | d u sPt | � � �dk rQq%| � d�}| � d�}| � d �} | � d�} |�d d �}| || d �| |< q%t�d | |� W | S ttfy� ttd� Y | S w )Nz /proc/mountsr� �mountz*^(/dev/[\S]+) on (/.*) \((.+), .+, (.+)\)$� r. r� r1 r' z\040r� )�fstype� mountpoint�optszFetched %s mounts from %sz Failed fetching mount points)r5 r� r� r� rU r r? r3 �compiler8 r �search�groupsr9 r� rX r� r( r� r$ )�mounted� mount_locs�methodrA �mountre�mpline�wordsrk �mpr� r� �_freq�_passno�mr9 r9 r: �mountsv sB �� �r� c C s6 t |t�r |g}n t |ttf�rt|�}n|du r d}n tdjt|�d���t� r1|du r0dg}n(t� rV|du r<g d�}t |�D ]\}}|dkrLd||< |dv rTd ||< q@nd g}t � }t � � ��} d } t j�| �|v rv|t j�| � d } n]d} |D ]M}d} z%g d �} |r�| �d|g� | �| � | �| � tj| |d� | } | } W n$ ttfy� } z|r�t�d| |d�| �|� |} W Y d}~qzd}~ww | s�td| | | f ��| �d�s�| d7 } t| �� |du r�|| �}n|| |�}|W d � W d � S 1 �sw Y W d � dS 1 �sw Y dS )a2 Mount the device, call method 'callback' passing the directory in which it was mounted, then unmount. Return whatever 'callback' returned. If data != None, also pass data to callback. mtype is a filesystem type. it may be a list, string (a single fsname) or a list of fsnames. Nz6Unsupported type provided for mtype parameter: {_type})ri �auto)�ufs�cd9660�msdosrf r )rg �msdosfsr r� Fr� )r� r� �roz-t)� update_envzbFailed to mount device: '%s' with type: '%s' using mount command: '%s', which caused exception: %sr� z#Failed mounting %s to %s due to: %srq )ri rj r� r2 rs r� rt r r r� r� r �tempdirr5 r� r� r� r� r r( r� rX r� rZ r� r� r� )rQ �callbackrN �mtype�update_env_for_mount� log_error�mtypes�indexr� �tmpdr� r� �failure_reason�mountcmd�excr� r9 r9 r: �mount_cb� s� ����� � �� �� ��'$�r c C s t �t�S r� )�obj_copy�deepcopyr% r9 r9 r9 r: �get_builtin_cfg� s r c C s t �d| � tj�| �S )Nz Testing if a link exists for %s)rX r� r5 r� �islinkr� r9 r9 r: �is_link s r c C sh t �d|| � |r,tj�|�r,tj�tj�|�dtd� �}t�| |� t� ||� d S t�| |� d S )Nz$Creating symbolic link from %r => %r�tmpr� ) rX r� r5 r� r� rZ r� r� �symlinkr� )�source�link�force�tmp_linkr9 r9 r: �sym_link s r c C s2 t �d| � zt�| � W d S ty Y d S w )NzAttempting to remove %s)rX r� r5 �unlinkr� r� r9 r9 r: �del_file s �r c C r� )NzCopying %s to %s)rX r� r� �copyr� r9 r9 r: r s r c C s0 z t �dt �� �} W | S ty d} Y | S w )Nz%a, %d %b %Y %H:%M:%S %z�??)�time�strftime�gmtimer� )�tsr9 r9 r: � time_rfc2822! s ��r& c s� ddl � ddl� G � fdd�d� j�} � �� j�d��}� �� }� �| �|_dt � s,dndg}� j d |� }| � }|� |� � t |��� � |�� � |�dd�d krX|j|jd S td ��) a� Use sysctl(3) via ctypes to find kern.boottime kern.boottime is of type struct timeval. Here we create a private class to easier unpack it. Use sysctl(3) (or sysctl(2) on OpenBSD) because sysctlbyname(3) does not exist on OpenBSD. That complicates retrieval on NetBSD, which #defines KERN_BOOTTIME as 83 instead of 21. 21 on NetBSD is KERN_OBOOTTIME, the kern.boottime up until NetBSD 5.0 @return boottime: float to be compatible with linux r Nc s e Zd Zd� jfd� jfgZdS )zboottime.<locals>.timeval�tv_sec�tv_usecN)r� r� r� �c_int64�_fields_r9 ��ctypesr9 r: �timeval9 s r- �cr� � �S r1 r g ��.Az/Unable to retrieve kern.boottime on this system)r, � ctypes.util� Structure�CDLL�util� find_library�c_size_t�sizeof�valuer# �c_intra r �byrefr' r( � RuntimeError)r- �libcr� � mib_values�mibr� r9 r+ r: �boottime) s. � �� r? c C s| d} d}z(t j�d�r d}td�}|r |�� d } W | S W | S d}tt�� t� �} W | S ty= t t d| � Y | S w )Nr! rQ z /proc/uptimer r, z&Unable to read uptime using method: %s) r5 r� r� r� r8 rj r" r? r� r$ rX )� uptime_strr� r� r9 r9 r: �uptimeT s$ � � ��rA c C s t | |dd d� d S )Nr� )�omodery �� write_file)r� �contentr9 r9 r: � append_fileg s rF � )� preserve_moderH c C s t | dd||d� d S )Nr� r� )rE rB ry rH rC )r� ry rH r9 r9 r: � ensure_filek s �rI c C s$ zt | �W S ttfy Y d S w r� )r4 r� rs )� possible_intr9 r9 r: �safe_ints s �rK c C sR t |�}| r%|r't| �� t�| |� W d � d S 1 s w Y d S d S d S r� )rK r� r5 r� )r� ry � real_moder9 r9 r: r� z s "��r� �grp_namec C s8 d}z t �| �j}W |S ty t�d| � Y |S w )zt Returns the group id of a group name, or -1 if no group exists @param grp_name: the name of the group r z"Group %s is not a valid group name)r� r� r� r� rX r� )rM r� r9 r9 r: � get_group_id� s ��rN r� c C s t �t� | �j�S )z� Returns the octal permissions of the file/folder pointed by the path, encoded as an int. @param path: The full path of the file/folder. )r� �S_IMODEr5 �st_moder� r9 r9 r: �get_permissions� s rQ c C � t �| �}t�|j�jS )zw Returns the owner of the file/folder pointed by the path. @param path: The full path of the file/folder. )r5 r� r� �getpwuid�st_uid�pw_name�r� �str9 r9 r: � get_owner� � rX c C rR )zw Returns the group of the file/folder pointed by the path. @param path: The full path of the file/folder. )r5 r� r� �getgrgid�st_gid�gr_namerV r9 r9 r: � get_group� rY r] �usernamec C sJ g }t �� D ] }| |jv r|�|j� qt�| �j}|�t �|�j� |S )zp Returns a list of all groups to which the user belongs @param username: the user we want to check ) r� �getgrall�gr_memr� r\ r� r� �pw_gidrZ )r^ r� r9 r� r9 r9 r: �get_user_groups� s � rb z Writing filer� )�ensure_dir_existsr� r9 rc c C s |rzt | �}W n ty Y nw |r ttj�| �||d� d|�� v r,t|�}d}nt|�}d}zd| } W n t yE d| } Y nw t � d| || t |�|� t | d��& t| |��} | �|� | �� W d � n1 sqw Y W d � n1 s�w Y t| |� d S ) a) Writes a file with the given content and sets the file mode as specified. Restores the SELinux context if possible. @param filename: The full path of the file to write. @param content: The content to write to the file. @param mode: The filesystem mode to set on the file. @param omode: The open mode used when opening the file (w, wb, a, etc.) @param preserve_mode: If True and `filename` exists, preserve `filename`s current mode instead of applying `mode`. @param ensure_dir_exists: If True (the default), ensure that the directory containing `filename` exists before writing to the file. @param user: The user to set on the file. @param group: The group to set on the file. )r� r9 �bro � charactersz%oz%rz Writing to %s - %s: [%s] %s %sr� N)rQ r� r� r5 r� r� r� rq rl rs rX r� r r� r� r� r� r� ) r) rE ry rB rH rc r� r9 � write_type�mode_r�fhr9 r9 r: rD � sD � �� �� �rD c C s@ t �| �D ]}t j�| |�}t j�|�rt|� qt|� qdS )z� Deletes all contents of a directory without deleting the directory itself. @param dirname: The directory whose contents should be deleted. N)r5 r� r� rZ r� r� r )r� �node� node_fullpathr9 r9 r: �delete_dir_contents� s �rk r& �createdc C s6 t �� }t| �}|d|�� |f 7 }|dt� 7 }|S )Nz %s by cloud-init v. %sz on %s)r# �version_stringrj �titler& )� comment_charr� �ci_ver�headerr9 r9 r: � make_header s rr c C s� t | ttf�stdt�| � ��d}|r|d7 }dd }d}| D ]J}t |ttf�rKg }|D ]}|�dt|��d|� � q-d |d � |�f }|d 7 }q t |t�r[d ||f }|d 7 }q |d u r`q td t�|�|f ��t � d |� |S )Nz8Input to shellify was type '%s'. Expected list or tuple.r� z #!/bin/sh z%s%s%s%s)�'�\rs rs r z'%s'rs z%s%s r� r� zCUnable to shellify type '%s'. Expected list, string, tuple. Got: %szShellified %s commands.) ri r2 r� rs r! r� r� rj r� rZ rX r� )�cmdlist� add_headerrE �escaped� cmds_mader� �fixedr� r9 r9 r: �shellify s< �� �� rz c C sB |r| � |�r| t|�d � } |r | �|�r | d t|� � } | S r� )rX r r� )r^ �prefix�suffixr9 r9 r: �strip_prefix_suffix; s r} c C s> t �| d �d u r dS zt � | � W dS t jy Y dS w )Nr FT)r �whichr[ )r r9 r9 r: �_cmd_exits_zeroC s ��r c C s t g d��S )N)zsystemd-detect-virtz--quietz --container�r r9 r9 r9 r: �_is_container_systemdM r� r� c C s t dg�S )Nzlxc-is-containerr� r9 r9 r9 r: �_is_container_old_lxcQ � r� c C sB t � sdS g d�} t�| d �d u rdS t�| �\}}|�� dkS )NF)ra z-qnzsecurity.jail.jailedr r) )r r r~ r@ )r rA r' r9 r9 r: �_is_container_freebsdU s r� c C s� t ttf} | D ]}|� r dS qztd�}d|v r W dS d|v r#W dS W n ttfy/ Y nw tj�d�r>tj�d�s>dS z%t d�� � }|D ]}|� d�r`|� � � d d�\}}|d kr` W dS qGW d S ttfyo Y d S w ) zH Checks to see if this code running in a container of some sort Tr� � container�LIBVIRT_LXC_UUIDz/proc/vzz/proc/bcz/proc/self/statuszVxID:rJ r- F)r� r� r� � get_proc_envr( r� r5 r� r� r� rU rX r@ r8 )�checks�helper�pid1env�linesr^ �_keyr` r9 r9 r: r� _ sD ���� ����r� c C s t j�d�S )z2Check to see if we are running in a lxd container.z /dev/lxd/sockrT r9 r9 r9 r: �is_lxd� s r� r� rh �errorsc C s� t j�dt| �d�}zt|�}W n ttfy i Y S w i }d\}}|�||�}|�|�D ]}|s4q/|�|d�\} } | rB| || < q/|S )z� Return the environment in a dict that a given process id was started with. @param encoding: decoding will be done with .decode(encoding, errors) and text will be returned. @param errors: passed through .decode(encoding, errors). z/procr� )r� �=r� ) r5 r� rZ rj r� r( r� rk r8 ) �pidrh r� r� r� �env�null�equalrt r. r` r9 r9 r: r� � s" � �r� c C sN i }| � � D ] }z |� dd�\}}W n ty |}d}Y nw |||< q|S )Nr� r� T)r8 r� )�kvstringr� rt r( r` r9 r9 r: �keyval_str_to_dict� s � r� c C s& | � d�r | dd � } tj�d| �S )Nrh r� z /sys/class/block/%s/partition)rX r5 r� r )rQ r9 r9 r: � is_partition� s r� c C s� t |t�s|g}g }|D ]C}t |t�r|�|� q t |ttf�rLt|�dk s,t|�dkr0td��t|�dkrD|d rD|�| t|� � q |�|d � q td��|S )Nr� r1 z Invalid package & version tuple.r zInvalid package type.)ri r� rj r� r2 r r; )� version_fmt�pkgs�pkglist�pkgr9 r9 r: �expand_package_list� s r� c C s� dd� | � d�D �}d}d}d}d}t|�D ]�\} } | � � } t| �dk r3|�d| d t| �| � dS | d } d d� | � d�D �} t| �t|�krJqtt| �t|��}| d |� |d |� kr`q|durmt|�t| �krmqz| �d �} W n ty� |�d | d | � Y dS w z| | d }| | d }W n ty� |�d| d | � Y dS w | }| }| d }q|r�|r�|r�|r�|r�||||fS dS |r�|r�|r�|||fS dS )zRReturn the mount information for PATH given the lines from /proc/$$/mountinfo.c S r� r9 r9 �rK r� r9 r9 r: rO � r� z$parse_mount_info.<locals>.<listcomp>rq Nr� z$Line %d has two few columns (%d): %sr� r. c S r� r9 r9 r� r9 r9 r: rO � r� r �-z,Did not find column named '-' in line %d: %sr1 z/Too few columns after '-' column in line %d: %sr� )r8 r� r r� �minr r� � IndexError)r� �mountinfo_lines�log� get_mnt_opts� path_elements�devpth�fs_type�match_mount_point�match_mount_point_elementsrn r^ r� � mount_point�mount_point_elements�x� mount_optionsr9 r9 r: �parse_mount_info� sh � �� �� �� � r� c C sB t d��� D ]}|�� dd� \}}}|| kr |||f S qdS )z<On older kernels there's no /proc/$$/mountinfo, so use mtab.� /etc/mtabNr' )r� rU r8 )r� r^ r� r� r� r9 r9 r: � parse_mtab- s �r� c C s� | � d�}t|�dkr|d S t|�dkr|d S |d dv rS| dd � }t�g d��\}}|� d �D ]}|� � }t|�dkrN|d |krN|d } t|�S q3t|�S t�d | � d S ) Nrq r� r r' r1 )r^ �gpt�gptidr �ufsidr� )�glabel�statusz-sr z)Unexpected input in find_freebsd_part: %s)r8 r r rj rX rY )�fs�splitted� target_labelr} r� �labelsr� r9 r9 r: �find_freebsd_part6 s" � r� c C sJ d }|� d�D ]}|� � }t|�dkr"tj�|d | �r"|} |S q|S )Nr r1 r� )r8 r r5 r� r� )r� �mnt_list� path_foundr^ r� r9 r9 r: �get_path_dev_freebsdI s � r� c C sl t j dd| gddgd�\}}t|�r(t � ddg�\}}t| |�}|d u r&d S |}|�� }t|d �}d| S )Nr� z-pr r� rc rh )r r r� r8 r� )r� r@ rb r� r� r� � label_partr9 r9 r: �get_freebsd_devpthS s r� c C s� t � dg�\}}d}dd� | �d�D �}d}d}d}d} |�� D ]�} t�|| �} | s+q | �d�}| �d�}d d� |�d�D �} t| �t|�krHq tt| �t|��} | d | � |d | � kr^q | durkt| �t| �krkq |}| } | �d �}| �d �}|dur�d �| �d �� d �� � �d��}t � d||||� t�d|�}|s�t � r�|dvr�t |�}|}|| kr� nq |r�|| vr�dS |r�|r�|r�|r�|r�||||fS dS dS dS dS |r�|r�|r�|||fS dS dS dS )z�Return the mount information for PATH given the lines ``mount(1)`` This function is compatible with ``util.parse_mount_info()``r� ze^(?P<devpth>[\S]+?) on (?P<mountpoint>[\S]+?) (\(|type )(?P<type>[^,\(\) ]+)( \()?(?P<options>.*?)\)$c S r� r9 r9 r� r9 r9 r: rO n r� z parse_mount.<locals>.<listcomp>rq Nr� r� c S r� r9 r9 r� r9 r9 r: rO y r� r rt r~ rP r� zNfound line in mount -> devpth: %s, mount_point: %s, fs_type: %s, options: '%s'z^(/dev/.+)[sp]([0-9])$)�zfs�nfs)r r8 rU r3 r� r9 r r� rZ r@ rX r� r r� )r� r� � mountoutputr� �regexr� r� r� r� r� r^ r� r� r� r� r� �devm� match_devpthr9 r9 r: � parse_mounta sr � �� �� � � �r� c C sP dt �� }t j�|�rt|��� }t| |||�S t j�d�r#t| �S t| |�S )Nz/proc/%s/mountinfor� ) r5 �getpidr� r� r� rU r� r� r� )r� r� r� �mountinfo_pathr� r9 r9 r: �get_mount_info� s r� �optc C s t | dd��^ }}||�d�v S )NT�r� rP �r� r8 )r� r� r' �mnt_optsr9 r9 r: � has_mount_opt� s r� c C s$ | � dd�}t|�dkr|S | d fS )Nr0 r� )�rsplitr )�dottedr+ r9 r9 r: �expand_dotted_devname� s r� c C s� |d u rg }|d u r g }g }i }|| D ]"}zt | | | dd�||< W q ty6 ||v r4|�|� Y qw t|�rFtdjd�|�d���|S )NF�r� z Missing required files: {files}rP )�files)r� r� r� r r� r� rZ )r� �required�optional�delimra r� r� r9 r9 r: �pathprefix2dict� s& ���r� � /proc/meminfoc C s� ddddd�}dddd �}i }t | ��� D ]:}z |�� \}}}W n ty1 |�� \}}d }Y nw |r?t|�|| ||< q||v rOt|�|| ||| < q|S ) Nr� � r� � @)�kB�mB�B�gB�total�free� available)z MemTotal:zMemFree:z MemAvailable:r� )r� rU r8 r� r4 ) �meminfo�raw�mpliers�kmapr� r^ r( r8 �unitr9 r9 r: � read_meminfo s& � ��r� c C s� | }| � d�r| dd� } n | � d�r| dd� } dddd d d �}| }d}|D ]}| � |�r9|}| d t|� � }q'zt|�}W n tyS } ztd | �|�d}~ww |d k r^td| ��t||| �S )a} Convert human string or integer to size in bytes In the original implementation, SI prefixes parse to IEC values (1KB=1024B). Later, support for parsing IEC prefixes was added, also parsing to IEC values (1KiB=1024B). To maintain backwards compatibility for the long-used implementation, no fix is provided for SI prefixes (to make 1KB=1000B may now violate user expectations). Future prospective callers of this function should consider implementing a new function with more standard expectations (1KB=1000B and 1KiB=1024B) Examples: 10M => 10485760 10MB => 10485760 10MiB => 10485760 �iBN���r� r r� r� r� r� l )r� �K�M�G�Tr z'%s' is not valid input.z'%s': cannot be negative)r� r �floatr� r4 )r� �size_inr� �num�mplierr� r� r9 r9 r: � human2bytes s, � �� r� c C s< | du r t �� d } | dkp| d dko| dd� dk}|S )z$Return True if platform is x86-basedNr. �x86_64r rn r1 �86)r5 r6 )� uname_arch�x86_arch_matchr9 r9 r: �is_x86G s �r� c C s t �| �S r� )�email�message_from_string)r� r9 r9 r: r� Q r� r� c C st t j ddgdd�} t� }| j�� D ]&}z |�d d�\}}}W n ty' Y qw |�d�r7|�t� dd|�� q|S ) Nz dpkg-queryz--listTr= r1 )�hi�iiz:.*r� ) r r0 r? rU r8 r� rX r5 r3 �sub)rA � pkgs_instr^ �stater� r' r9 r9 r: �get_installed_packagesU s � �r� c C s� d} zt t| dd��}|�dd��� dkrW dS W n ty2 } z t�d| |� W Y d }~nd }~ww t� }d|v r<dS td dd�}d|�� v rJdS tj � d �rRdS d S ) Nr; Tr� r0 r� z ubuntu-corez!Unexpected error loading '%s': %sz snap_core=z /etc/system-image/channel.iniz/etc/system-image/config.d/F) rE r� rF r� r� rX rY r r5 r� r� )�orpath�orinfor� r rE r9 r9 r: �system_is_snappyd s& ��� r c C s� d }| � � D ]}|�d�r|dd � } nq|d u r d S |�d�r#|S |�d�r2d|td�d � S |�d�rCd|td�d � �� S |�d�rhd |td�d � �� }tj�|�r\|S t|�}|rf|d S |S d| S ) Nzroot=r� rh rR z/dev/disk/by-label/zUUID=z/dev/disk/by-uuid/z PARTUUID=z/dev/disk/by-partuuid/r )r8 rX r r� r5 r� r� r� )r rN rt � disks_path�resultsr9 r9 r: �rootdev_from_cmdline| s0 � � r c C sF dd� }i }|| �D ]}|� dd�\}}|s|}|s |r |||< q |S )z�Given shell like syntax (key=value\nkey2=value2\n) in content return the data in dictionary form. 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Set their value to empty_val.c S s t j| dd�S )NT)�comments)�shlexr8 )rd r9 r9 r: � _shlex_split� s z(load_shell_content.<locals>._shlex_splitr� r� )r8 )rE � add_empty� empty_valr rN r^ r( r8 r9 r9 r: rE � s �rE � �?c C s� t | �}d} |t dd� |D ��8 }|s t�d||| � g S |dkr*t�d||| � || |kr1n t�|� ||7 }qt�d|||� |S )Nr Tc S rS r9 rT r� r9 r9 r: rO � s z"wait_for_files.<locals>.<listcomp>z)%sAll files appeared after %s seconds: %sz6%sWaiting up to %s seconds for the following files: %sz*%sStill missing files after %s seconds: %s)r0 rX r� r" �sleep)�flist�maxwait�naplen�log_pre�need�waitedr9 r9 r: �wait_for_files� s8 �� ��r c C s& t | dd�}|d �d�}|d dkS )z1Check whether the given mount point is mounted rwTr� r rP r �rwr� )r� r@ � mount_optsr9 r9 r: �mount_is_read_write� s r c C sX t �d�sdS ddg}| r tj�| �rdS |�d| g� |r'|�d| g� t � |�S )zAInvoke udevadm settle with optional exists and timeout parameters�udevadmN�settlez--exit-if-exists=%sz --timeout=%s)r r~ r5 r� r� r� )r� r� � settle_cmdr9 r9 r: �udevadm_settle� s r r� r& c C s� dg i}zt �t| �d�dd��}W n. ty% t�d| �d�� Y |S t jy@ } zt�dt j |� W Y d }~|S d }~ww d|vrIg |d< |S )N�scopeszhotplug.enabledFr� zFile not found: %sz>Ignoring contents of %s because it is not decodable. Error: %s) r� r� r� r� r� rX r� �JSONDecodeErrorrY r �HOTPLUG_ENABLED_FILE)r� rE r� r9 r9 r: �read_hotplug_enabled_file� s( � ����r c c s � dV dS )ztContext manager that does nothing. 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