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A predicate gates the collection of data by an sos plugin. For any
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the result is `True`, and not otherwise.
Predicates may be used to control conditional data collection
without the need for explicit conditional blocks in plugins.
:param owner: The ``Plugin`` object creating the predicate
:type owner: ``Plugin``
:param dry_run: Is sos running in dry_run mode?
:type dry_run: ``bool``
:param kmods: Kernel module name(s) to check presence of
:type kmods: ``list``, or ``str`` of single name
:param services: Service name(s) to check if running
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:param packages: Package name(s) to check presence of
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:param cmd_outputs: Command to run, with output string to check
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{'cmd': <command to run>,
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:param arch: Architecture(s) that the local system is matched
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SoSCommanda� A class to represent a command to be collected.
A SoSCommand() object is instantiated for each command handed to an
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long tuple to handle the parameters.
Any option supported by _add_cmd_output() is passed to the SoSCommand
object and converted to an attribute. SoSCommand.__dict__ is then passed to
_get_command_output_now() for each command to be collected.
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� ZdS )� PluginOptaV This is used to define options available to plugins. Plugins will need
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:param name: The name of the plugin option
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:param default: The default value of the option
:type default: Any
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:param long_desc: A detailed description of the option. Will be used by
`sos info`
:type long_desc: ``str``
:param val_type: The type of object the option accepts for values. If
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:type val_type: A single type or a ``list`` of types
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d~d�ZTd�d�� ZUddddxdxddddddddg d{dddfd�d��ZVd�d�� ZWd�d�� ZXd�d�d��ZYd�d�� ZZd�d�� Z[d�d�d��Z\d�d�� Z]ddg fd�d��Z^ddddxdxdddddddg d{dddfd�d��Z_ddddxdxddddddddg fd�d��Z`d�d�d��Zad�d�� Zbd�d�� Zcd�d�d��Zdd�d�� Zed�d�d��Zfd�d�� Zgd�d�d��Zhd�d�d��Zid�d�d��Zjd�d�d��Zkd�d�d��Zld�d�� Zmd�d�� Znd�d�� Zod�d�� Zpd�d�d��Zqd�d�� Zrd�d�� Zsd�d�� Ztd�d�� Zud�dÄ Zvd�dń Zwd�dDŽ Zxd�dɄ Zyd�d˄ Zzd�d̈́ Z{d�dτ Z|d�dф Z}d�dӄ Z~d�dՄ Zd�dׄ Z�d�dل Z�d�dۄ Z�d�d݄ Z�d�d߄ Z�d�d� Z�d�d� Z�d�d� Z�d�d� Z�d�d�d�Z��d d�d�Z�dS ( �Plugina\ This is the base class for sosreport plugins. Plugins should subclass
this and set the class variables where applicable.
:param commons: A set of information that is shared internally so that
plugins may access the same dataset. This is provided
automatically by sos
:type commons: ``dict``
Each `Plugin()` subclass should also subclass at least one tagging class,
e.g. ``RedHatPlugin``, to support that distribution. If different
distributions require different collections, each distribution should have
its own subclass of the Plugin that also subclasses the tagging class for
their respective distributions.
:cvar plugin_name: The name of the plugin, will be returned by `name()`
:vartype plugin_name: ``str``
:cvar packages: Package name(s) that, if installed, enable this plugin
:vartype packages: ``tuple``
:cvar files: File path(s) that, if present, enable this plugin
:vartype files: ``tuple``
:cvar commands: Executables that, if present, enable this plugin
:vartype commands: ``tuple``
:cvar kernel_mods: Kernel module(s) that, if loaded, enable this plugin
:vartype kernel_mods: ``tuple``
:cvar services: Service name(s) that, if running, enable this plugin
:vartype services: ``tuple``
:cvar architectures: Architecture(s) this plugin is enabled for. Defaults
to 'none' to enable on all arches.
:vartype architectures: ``tuple``, or ``None``
:cvar profiles: Name(s) of profile(s) this plugin belongs to
:vartype profiles: ``tuple``
:cvar plugin_timeout: Timeout in seconds for this plugin as a whole
:vartype plugin_timeout: ``int``
:cvar cmd_timeout: Timeout in seconds for individual commands
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Nr r" Fc C s g | _ g | _t� | _g | _d| _|| _g | _t� | _g | _ g | _
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Get the timeout value for either the plugin or a command, as
determined by either the value provided via the
plugin.timeout or plugin.cmd-timeout option, the global timeout or
cmd-timeout options, or the default value set by the plugin or the
collection, in that order of precendence.
:param optname: The name of the cmdline option being checked, either
'plugin_timeout' or 'timeout'
:type optname: ``str``
:param plugoptname: The name of the plugin option name being checked,
either 'timeout' or 'cmd-timeout'
:type plugoptname: ``str``
:param default_timeout: The timeout to default to if determination is
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Checks to see if the plugin has hit its timeout.
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terminates the thread. From there, a Popen() call can still continue to
run, and we need to manually terminate it. Thus, check_timeout() should
only be called in sos_get_command_output().
Since sos_get_command_output() is not plugin aware, this method is
handed to that call to use as a polling method, to avoid passing the
entire plugin object.
:returns: ``True`` if timeout has been hit, else ``False``
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check_timeout� s zPlugin.check_timeoutc C s | j r | j S | j�� S )zsGet the name of the plugin
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�r� | �!|��rtd}n| �d&| � Y �q�Y nX ||7 }|�rv||k�rvd}|�rft"|��sf| �d'| � |}|d t j#k�r�|�$t j#�}|�%t j&j#d(�d) }|| | }| �'t(||�|� t j&�)dt j&�*|��}t j&�+|d*| �,� |�}| j-�.||� |�|�$d�� n| �d%| � n*|�|�$d�� | �/|g� |�o�||k}�q�|s�| j0r�| j0j1�| || d+�� q�dS ),a Add a file, directory, or regex matching filepaths to the archive
:param copyspecs: A file, directory, or regex matching filepaths
:type copyspecs: ``str`` or a ``list`` of strings
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to this size in MB
:type sizelimit: ``int``
:param maxage: Collect files with `mtime` not older than this many
hours
:type maxage: ``int``
:param tailit: Should a file that exceeds `sizelimit` be tail'ed to fit
the remaining space to meet `sizelimit`
:type tailit: ``bool``
:param pred: A predicate to gate if `copyspecs` should be collected
:type pred: ``SoSPredicate``
:param tags: A tag or set of tags to add to the metadata information
for this collection
:type tags: ``str`` or a ``list`` of strings
:param container: Container(s) from which this file should be copied
:type container: ``str`` or a ``list`` of strings
`copyspecs` will be expanded and/or globbed as appropriate. Specifying
a directory here will cause the plugin to attempt to collect the entire
directory, recursively.
If `container` is specified, `copyspecs` may only be explicit paths,
not globs as currently container runtimes do not support glob expansion
as part of the copy operation.
Note that `sizelimit` is applied to each `copyspec`, not each file
individually. For example, a copyspec of
``['/etc/foo', '/etc/bar.conf']`` and a `sizelimit` of 25 means that
sos will collect up to 25MB worth of files within `/etc/foo`, and will
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|d� dS )a� Run a command or list of commands against devices discovered during
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Any commands specified by cmd will be iterated over the list of the
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:type cmds: ``str`` or a ``list`` of strings
:param devices: The device paths to run `cmd` against. This should be
either a list of devices/device paths or a key in the
devices dict discovered by sos during initialization.
:type devices: ``str`` or a ``list`` of devices or device paths.
:param timeout: Timeout in seconds to allow each `cmd` to run
:type timeout: ``int``
:param sizelimit: Maximum amount of output to collect, in MB
:type sizelimit: ``int``
:param chroot: Should sos chroot the command(s) being run
:type chroot: ``bool``
:param runat: Set the filesystem location to execute the command from
:type runat: ``str``
:param env: Set environment variables for the command(s) being run
:type env: ``dict``
:param binary: Is the output collected going to be binary data
:type binary: ``bool``
:param prepend_path: The leading path for block device names
:type prepend_path: ``str`` or ``None``
:param whitelist: Limit the devices the `cmds` will be run against to
devices matching these item(s)
:type whitelist: ``list`` of ``str``
:param blacklist: Do not run `cmds` against devices matching these
item(s)
:type blacklist: ``list`` of ``str``
:param subdir: Write the command output to this subdir within the
Plugin directory
:type subdir: ``str``
c s& g | ] � t � fd d��D ��r� �qS )c 3 s | ]}t �d | � �V qdS �z(.*)?%sNrg )r4 Zwl��dr r rz � s �3Plugin.add_device_cmd.<locals>.<listcomp>.<genexpr>�rQ �r4 )� whitelistr� r r7 � s �z)Plugin.add_device_cmd.<locals>.<listcomp>c s& g | ] � t � fd d��D ��s� �qS )c 3 s | ]}t �d | � �V qdS r� rg )r4 Zblr� r r rz � s r� r� r� )� blacklistr� r r7 � s �)
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�zPlugin._add_device_cmdc K s� d|kr|� d�nt| �}d|kr*d|d< d|kr:d|d< | �d�sP|d dkrXd |d
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zPlugin._add_cmd_outputc C s� t |t�r|g}t|�dkr.|s$|r.| �d� |
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of command output matching `sizelimit`. Unless `suggest_filename` is
set, the file that the output is saved to will match the command as
it was executed, and will be saved under `sos_commands/$plugin`
:param cmds: The command(s) to execute
:type cmds: ``str`` or a ``list`` of strings
:param suggest_filename: Override the name of the file output is saved
to within the archive
:type suggest_filename: ``str``
:param root_symlink: If set, create a symlink with this name in the
archive root
:type root_symlink: ``str``
:param timeout: Timeout in seconds to allow each `cmd` to run for
:type timeout: ``int``
:param stderr: Should stderr output be collected
:type stderr: ``bool``
:param chroot: Should sos chroot the `cmds` being run
:type chroot: ``bool``
:param runat: Run the `cmds` from this location in the filesystem
:type runat: ``str``
:param env: Set environment variables for the `cmds` being run
:type env: ``dict``
:param binary: Is the command expected to produce binary output
:type binary: ``bool``
:param sizelimit: Maximum amount of output in MB to save
:type sizelimit: ``int``
:param pred: A predicate to gate if `cmds` should be collected or not
:type pred: ``SoSPredicate``
:param subdir: Save output to this subdirectory, within the plugin's
directory under sos_commands
:type subdir: ``str``
:param changes: Do `cmds` have the potential to change system state
:type changes: ``int``
:param foreground: Should the `cmds` be run in the foreground, with an
attached TTY
:type foreground: ``bool``
:param tags: A tag or set of tags to add to the metadata entries for
the `cmds` being run
:type tags: ``str`` or a ``list`` of strings
:param priority: The priority with which this command should be run,
lower values will run before higher values
:type priority: ``int``
:param cmd_as_tag: Should the command string be automatically formatted
to a tag?
:type cmd_as_tag: ``bool``
:param container: Run the specified `cmds` inside a container with this
ID or name
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:param to_file: Should command output be written directly to a new
file rather than stored in memory?
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r) z.ambiguous filename or symlink for command listNr� T)r= zESkipping command '%s' as the requested container '%s' does not exist.)r= �suggest_filename� root_symlinkr� �stderrr� r� r� r7 r� r& r� r� r- �
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:param tagdict: A dict containing the command regex and associated tags
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`tagdict` takes the form of {cmd_regex: tags}, for example to tag all
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{'foo.*': ['bar']}
N)r� r� �cmdtagsr� )rG r� r= r r r � add_cmd_tags? s zPlugin.add_cmd_tagsc C s, | j �� D ] \}}t�||�r
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:param name: Optionally specify a filename to use as part of the
command output path
:type name: ``str`` or ``None``
:param make: Attempt to create the command output path
:type make: ``bool``
:returns: The path where the plugin will write command output data
within the archive
:rtype: ``str``
� sos_commands)r r rB r r r� �makedirs)rG r� ZmakeZcmd_output_pathr r r �get_cmd_output_path] s �
zPlugin.get_cmd_output_pathc G s t |f|�� S )aM Grep through file(s) for a specific string or regex
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:param fnames: Paths to grep through
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)r )rG r@ �fnamesr r r � file_grept s zPlugin.file_grepc C s | j �� }t||�S rw )r r' r( )rG r9 r' r r r r( � s
zPlugin._mangle_commandc
C s� | � � }|r|d| 7 }tj�| jd |�}| �|�}tj�tj�| j�� ||��r�d}| j� � }d| }|} |t
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|� � } | | } tj�tj�| j�� || ��s�| }q�|d7 }qbtj�||�S )z@The internal function to build up a filename based on a command.z/%sr: r) z.%dN) r� r r rB r� r( �existsr r r' r )
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plugin_dirZoutdir�outfnZincr' rJ Znewfnr r r �_make_command_filename� s0
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z Plugin._make_command_filenamec C s8 t |t�s|g}|D ] }| j�||�� |�� g� qdS )a� Add an environment variable to the list of to-be-collected env vars.
Collected environment variables will be saved to an `environment` file
in the archive root, and any variable specified for collection will be
collected in lowercase, uppercase, and the form provided
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N)r� r� r� r� �upperr� )rG r� r� r r r � add_env_var� s
zPlugin.add_env_varc C s| | j d|d�s(| �d| j|d� � dS |r0dnd}tj�|| �� |�}t|t�rX|g}| j �
|||f� | � d| � dS ) a� Add a string to the archive as a file
:param content: The string to write to the archive
:type content: ``str``
:param filename: The name of the file to write `content` to
:type filename: ``str``
:param pred: A predicate to gate if the string should be added to the
archive or not
:type pred: ``SoSPredicate``
:param plug_dir: Should the string be saved under the plugin's dir in
sos_commands/? If false, save to sos_strings/
:type plug_dir: ``bool``
:param tags: A tag or set of tags to add to the manifest entry for this
collection
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Fr+ z$skipped string due to predicate (%s)r� Nr� r� zadded string as '%s') r, r r* r r rB r� r� r� r� rX r� )rG rU �filenamer& Zplug_dirr� Zsos_dirr r r r� � s
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|||| |d� } |d
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dk�r�| j �r�| j j �| � |S | �d|�� d | | f � |d �r�| � d |�� d � |} |�!d d �d }|�s| �r�| j�"|d |� n| j�#|d |� |d �rltj�| j�� |�}!tj�| j�� | �}"tj�$|!|"�}#|#�!d!d"d �}#| j�%|#| � |�r�| j�%||� | j&�||| �r�d#nd$d%�� |�r�tj�| j�� |�nd"|d&< | j �r�|| d'< | | d(< | j j �| � |�r�| �'| �(� |� |S ))a� Execute a command and save the output to a file for inclusion in the
report.
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archive
:param root_symlink: Create a symlink in the archive root
:param timeout: Time in seconds to allow a cmd to run
:param stderr: Write stderr to stdout?
:param chroot: Perform chroot before running cmd?
:param runat: Run the command from this location,
overriding chroot
:param env: Dict of env vars to set for the cmd
:param binary: Is the output in binary?
:param sizelimit: Maximum size in MB of output to save
:param subdir: Subdir in plugin directory to save to
:param changes: Does this cmd potentially make a change
on the system?
:param foreground: Run the `cmd` in the foreground with a
TTY
:param tags: Add tags in the archive manifest
:param cmd_as_tag: Format command string to tag
:param to_file: Write output directly to file instead
of saving in memory
:returns: dict containing status, output, and filename in the
archive for the executed cmd
Nr� r z[^\w\.]+r! r� �alwaysr: r) z'collecting '%s' output directly to diskF)
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�zPlugin._collect_cmd_outputc C sN | j d| d�s*| j|| | d� dddd�S | j||||||||| |
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||d�
S )a} Execute a command and save the output to a file for inclusion in the
report, then return the results for further use by the plugin
:param cmd: The command to run
:type cmd: ``str``
:param suggest_filename: Filename to use when writing to the
archive
:param suggest_filename: ``str``
:param root_symlink: Create a symlink in the archive root
:type root_symlink: ``bool``
:param timeout: Time in seconds to allow a cmd to run
:type timeout: ``int``
:param stderr: Write stderr to stdout?
:type stderr: ``bool``
:param chroot: Perform chroot before running cmd?
:type chroot: ``bool``
:param runat: Run the command from this location,
overriding chroot
:type runat: ``str``
:param env: Environment vars to set for the cmd
:type env: ``dict``
:param binary: Is the output in binary?
:type binary: ``bool``
:param sizelimit: Maximum size in MB of output to save
:type sizelimit: ``int``
:param subdir: Subdir in plugin directory to save to
:type subdir: ``str``
:param changes: Does this cmd potentially make a change
on the system?
:type changes: ``bool``
:param foreground: Run the `cmd` in the foreground with a TTY
:type foreground: ``bool``
:param tags: Add tags in the archive manifest
:type tags: ``str`` or a ``list`` of strings
:returns: `cmd` exit status, output, and the filepath within the
archive output was saved to
:rtype: ``dict``
Tr+ r� Nr )rh r> r� ) r� r� r� r� r� r� r� r7 r� r� r� r� )r, r. r� )rG r= r� r� r� r� r� r� r� r7 r� r& r- r� r� r� r r r �collect_cmd_output� s* :� �zPlugin.collect_cmd_outputc
C s� ddd�} | j d|d�s | S |dkr*| j}|s>| jd jdkrF| j}
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�S ) a= Execute a command right now and return the output and status, but
do not save the output within the archive.
Use this method in a plugin's setup() if command output is needed to
build subsequent commands added to a report via add_cmd_output().
:param cmd: The command to run
:type cmd: ``str``
:param timeout: Time in seconds to allow a cmd to run
:type timeout: ``int``
:param stderr: Write stderr to stdout?
:type stderr: ``bool``
:param chroot: Perform chroot before running cmd?
:type chroot: ``bool``
:param runat: Run the command from this location,
overriding chroot
:type runat: ``str``
:param env: Environment vars to set for the cmd
:type env: ``dict``
:param binary: Is the output in binary?
:type binary: ``bool``
:param pred: A predicate to gate execution of the `cmd`
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:param foreground: Run the `cmd` in the foreground with a TTY
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:param container: Execute this command in a container with
this name
:type container: ``str``
:param quotecmd: Whether the cmd should be quoted.
:type quotecmd: ``bool``
:returns: Command exit status and output
:rtype: ``dict``
Nr )rh r> Tr+ r� r� zACannot run cmd '%s' in container %s: no runtime detected on host.zBCannot run cmd '%s' in container %s: no such container is running.)r� r� r� r7 r� r� r� ) r, r� r� r� r� r� �_get_container_runtimer r� r� r )rG r= r� r� r� r� r� r7 r& r� r� �quotecmdZ_defaultr� r� r r r r� � s6 /
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:param path: The filename from the container filesystem
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�r� r� r� r� N)r� r� rX )rG r� r Zarcpathr� r r r � _add_container_file_to_manifest"
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r� r� r� r r& r) Nr� z!sos_containers/%s/sos_commands/%sz../../../../%sr� z%s/%sr� ) r� r� r� r� r( r r� r r rY � dest_pathrX ) rG r� �contupr= r� Z_cdirZ_outlocZcmdfnZconlnkr r r r� :
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``ContainerRuntime``
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)rr r� )rG Z module_namer r r r_ s zPlugin.is_module_loadedc C s | j �|� dS )z�Add an alert to the collection of alerts for this plugin. These
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:param since: Start time for journal messages
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:param until: End time forjournal messages
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:param timeout: An optional timeout in seconds
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:param identifier: An optional message identifier
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:param catalog: Augment lines with descriptions from the system catalog
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corresponding paths, packages or commands and return True if any
are present.
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for any of installed SCLs. If so, it will store names of these SCLs
on the plugin class in addition to returning True.
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)r r� r r r r r � s zPlugin.path_existsc C s t || j�S )aS Helper to call the sos.utilities wrapper that allows the
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)r r� r r r r r � s zPlugin.path_isfilec C s t || j�S )aT Helper to call the sos.utilities wrapper that allows the
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)r r� r r r r r � s zPlugin.path_islinkc C s t || j�S )aT Helper to call the sos.utilities wrapper that allows the
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class.files or class.packages are then accessible via self.scls_matched
when the plugin is invoked.
Additionally, this plugin class provides "add_cmd_output_scl" (run
a command in context of given SCL), and "add_copy_spec_scl" and
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For example, you can implement a plugin that will list all global npm
packages in every SCL that contains "npm" package:
class SCLNpmPlugin(Plugin, SCLPlugin):
packages = ("%(scl_name)s-npm",)
def setup(self):
for scl in self.scls_matched:
self.add_cmd_output_scl(scl, "npm ls -g --json")
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