Library and command line tool to interact with the LOCKSS 1.x DebugPanel servlet
Reason this release was yanked:
0.7.0 released
Project description
Debugpanel is a library and command line tool to interact with the LOCKSS 1.x DebugPanel servlet.
Latest release: 0.6.1 (2023-03-16)
Prerequisites
Python 3.7 or greater.
Prerequisites for development work only:
Poetry 1.4 or greater.
Installation
Debugpanel is available from the Python Package Index (PyPI) as lockss-debugpanel: https://pypi.org/project/lockss-debugpanel
You can install it with pip. To install it in a virtual environment, simply use:
pip3 install lockss-debugpanel
To install it in your own non-root, non-virtual environment, use the --user option:
pip3 install --user lockss-debugpanel
The installation process adds a lockss.debugpanel Library and a debugpanel Command Line Tool. You can check at the command line that the installation is functional by running debugpanel version or debugpanel --help.
Overview
Per-Node Operations
You can use Debugpanel to get LOCKSS nodes to:
Reload their configuration (reload-config command, lockss.debugpanel.reload_config() function).
Crawl their plugins (crawl-plugins command, lockss.debugpanel.crawl_plugins() function).
Per-AU Operations
You can use Debugpanel to get LOCKSS nodes to perform an operation on AUs identified by AUID, namely:
Crawl (crawl command, lockss.debugpanel.crawl() function).
Crawl with depth (deep-crawl command, lockss.debugpanel.deep_crawl() function).
Poll (poll command, lockss.debugpanel.poll() function).
Check substance (check-substance command, lockss.debugpanel.check_substance() function).
Validate files (validate-files command, lockss.debugpanel.validate_files() function).
Reindex metadata (reindex-metadata command, lockss.debugpanel.reindex_metadata() function).
Disable metadata indexing (disable-indexing command, lockss.debugpanel.disable_reindexing() function).
Library
You can use Debugpanel as a Python library.
The lockss.debugpanel module’s node() method can create a node object from a node reference (a string like host:8081, http://host:8081, http://host:8081/, https://host:8081, https://host:8081/; no protocol defaults to http://), a username, and a password.
This node object can be used as the argument to crawl_plugins() or reload_config().
It can also be used as the first argument to check_substance(), crawl(), deep_crawl(), disable_indexing(), poll(), reindex_metadata(), or validate_files, together with an AUID string as the second argument.
The deep_crawl() method has an optional third argument, depth, for the crawl depth (whch defaults to lockss.debugpanel.DEFAULT_DEPTH).
All operations return the modified http.client.HTTPResponse object from urllib.request.urlopen() (see https://docs.python.org/3.7/library/urllib.request.html#urllib.request.urlopen). A status code of 200 indicates that the request to the node was made successfully (but not much else; for example if there is no such AUID for an AUID operation, nothing happens).
Use of the module is illustrated in this example:
import getpass
import lockss.debugpanel
hostport = '...'
username = input('Username: ')
password = getpass.getpass('Password: ')
node = lockss.debugpanel.node(hostport, username, password)
auid = '...'
try:
resp = lockss.debugpanel.poll(node, auid)
if resp.status == 200:
print('Poll requested (200)')
else:
print(f'{resp.reason} ({resp.status})')
except Exception as exc:
print(f'Error: {exc!s}')
Command Line Tool
Debugpanel is invoked at the command line as:
debugpanel
or as a Python module:
python3 -m lockss.debugpanel
Help messages and this document use debugpanel throughout, but the two invocation styles are interchangeable.
Debugpanel uses Commands, in the style of programs like git, dnf/yum, apt/apt-get, and the like. You can see the list of available Commands by invoking debugpanel --help, and you can find a usage summary of all the Commands by invoking debugpanel usage:
usage: debugpanel [-h] [--debug-cli] [--verbose] COMMAND ...
debugpanel check-substance [-h] [--output-format FMT]
[--node HOST:PORT] [--nodes FILE]
[--password PASS] [--username USER]
[--auid AUID] [--auids FILE]
[--pool-size SIZE]
[--process-pool | --thread-pool]
[HOST:PORT ...]
debugpanel copyright [-h]
debugpanel crawl [-h] [--output-format FMT] [--node HOST:PORT]
[--nodes FILE] [--password PASS] [--username USER]
[--auid AUID] [--auids FILE] [--pool-size SIZE]
[--process-pool | --thread-pool]
[HOST:PORT ...]
debugpanel crawl-plugins [-h] [--output-format FMT] [--node HOST:PORT]
[--nodes FILE] [--password PASS]
[--username USER] [--pool-size SIZE]
[--process-pool | --thread-pool]
[HOST:PORT ...]
debugpanel deep-crawl [-h] [--output-format FMT] [--node HOST:PORT]
[--nodes FILE] [--password PASS]
[--username USER] [--auid AUID] [--auids FILE]
[--pool-size SIZE]
[--process-pool | --thread-pool] [--depth DEPTH]
[HOST:PORT ...]
debugpanel disable-indexing [-h] [--output-format FMT]
[--node HOST:PORT] [--nodes FILE]
[--password PASS] [--username USER]
[--auid AUID] [--auids FILE]
[--pool-size SIZE]
[--process-pool | --thread-pool]
[HOST:PORT ...]
debugpanel license [-h]
debugpanel poll [-h] [--output-format FMT] [--node HOST:PORT]
[--nodes FILE] [--password PASS] [--username USER]
[--auid AUID] [--auids FILE] [--pool-size SIZE]
[--process-pool | --thread-pool]
[HOST:PORT ...]
debugpanel reindex-metadata [-h] [--output-format FMT]
[--node HOST:PORT] [--nodes FILE]
[--password PASS] [--username USER]
[--auid AUID] [--auids FILE]
[--pool-size SIZE]
[--process-pool | --thread-pool]
[HOST:PORT ...]
debugpanel reload-config [-h] [--output-format FMT] [--node HOST:PORT]
[--nodes FILE] [--password PASS]
[--username USER] [--pool-size SIZE]
[--process-pool | --thread-pool]
[HOST:PORT ...]
debugpanel usage [-h]
debugpanel validate-files [-h] [--output-format FMT] [--node HOST:PORT]
[--nodes FILE] [--password PASS]
[--username USER] [--auid AUID]
[--auids FILE] [--pool-size SIZE]
[--process-pool | --thread-pool]
[HOST:PORT ...]
debugpanel version [-h]
Commands
The available commands are:
check-substance (cs): cause nodes to check the substance of AUs
copyright: show copyright and exit
crawl (cr): cause nodes to crawl AUs
crawl-plugins (cp): cause nodes to crawl plugins
deep-crawl (dc): cause nodes to crawl AUs, with depth
disable-indexing (di): cause nodes to disable metadata indexing of AUs
license: show license and exit
poll (po): cause nodes to poll AUs
reindex-metadata (ri): cause nodes to reindex the metadata of AUs
reload-config (rc): cause nodes to reload their configuration
usage: show detailed usage and exit
validate-files (vf): cause nodes to run file validation on AUs
version: show version and exit
Top-Level Command
The top-level executable alone does not perform any action or default to a given command. It does define a few options, which you can see by invoking Debugpanel with the --help/-h option:
usage: debugpanel [-h] [--debug-cli] [--verbose] COMMAND ...
options:
-h, --help show this help message and exit
--debug-cli print the result of parsing command line arguments
--verbose, -v print verbose output
commands:
Add --help to see the command's own help message
COMMAND DESCRIPTION
check-substance (cs)
cause nodes to check the substance of AUs
copyright show copyright and exit
crawl (cr) cause nodes to crawl AUs
crawl-plugins (cp) cause nodes to crawl plugins
deep-crawl (dc) cause nodes to crawl AUs, with depth
disable-indexing (di)
cause nodes to disable metadata indexing of AUs
license show license and exit
poll (po) cause nodes to poll AUs
reindex-metadata (ri)
cause nodes to reindex the metadata of AUs
reload-config (rc) cause nodes to reload their configuration
usage show detailed usage and exit
validate-files (vf)
Cause nodes to run file validation on AUs
version show version and exit
check-substance (cs)
The check-substance command is one of the Per-AU Operations, used to cause nodes to check the substance of AUs. It has its own --help/-h option:
usage: debugpanel check-substance [-h] [--output-format FMT]
[--node HOST:PORT] [--nodes FILE]
[--password PASS] [--username USER]
[--auid AUID] [--auids FILE]
[--pool-size SIZE]
[--process-pool | --thread-pool]
[HOST:PORT ...]
Cause nodes to check the substance of AUs
options:
-h, --help show this help message and exit
--output-format FMT set tabular output format to FMT (default: simple;
choices: asciidoc, double_grid, double_outline,
fancy_grid, fancy_outline, github, grid, heavy_grid,
heavy_outline, html, jira, latex, latex_booktabs,
latex_longtable, latex_raw, mediawiki, mixed_grid,
mixed_outline, moinmoin, orgtbl, outline, pipe, plain,
presto, pretty, psql, rounded_grid, rounded_outline,
rst, simple, simple_grid, simple_outline, textile,
tsv, unsafehtml, youtrack)
node arguments and options:
HOST:PORT node to process
--node HOST:PORT, -n HOST:PORT
add HOST:PORT to the list of nodes to process
--nodes FILE, -N FILE
add the nodes in FILE to the list of nodes to process
--password PASS, -p PASS
UI password (default: interactive prompt)
--username USER, -u USER
UI username (default: interactive prompt)
AUID options:
--auid AUID, -a AUID add AUID to the list of AUIDs to process
--auids FILE, -A FILE
add the AUIDs in FILE to the list of AUIDs to process
job pool options:
--pool-size SIZE nonzero size of job pool (default: N)
--process-pool use a process pool
--thread-pool use a thread pool (default)
The command needs:
One or more nodes, from the Node Arguments and Options (bare arguments, --node/-n options, --nodes/-N options).
One or more AUIDs, from the AUID Options (--auid/-a options, --auids/-A options).
It also accepts Options for Output Format Control and Job Pool Control.
copyright
The copyright command displays the copyright notice for Debugpanel and exits.
crawl (cr)
The crawl command is one of the Per-AU Operations, used to cause nodes to crawl AUs. It has its own --help/-h option:
usage: debugpanel crawl-plugins [-h] [--output-format FMT] [--node HOST:PORT]
[--nodes FILE] [--password PASS]
[--username USER] [--pool-size SIZE]
[--process-pool | --thread-pool]
[HOST:PORT ...]
Cause nodes to crawl plugins
options:
-h, --help show this help message and exit
--output-format FMT set tabular output format to FMT (default: simple;
choices: asciidoc, double_grid, double_outline,
fancy_grid, fancy_outline, github, grid, heavy_grid,
heavy_outline, html, jira, latex, latex_booktabs,
latex_longtable, latex_raw, mediawiki, mixed_grid,
mixed_outline, moinmoin, orgtbl, outline, pipe, plain,
presto, pretty, psql, rounded_grid, rounded_outline,
rst, simple, simple_grid, simple_outline, textile,
tsv, unsafehtml, youtrack)
node arguments and options:
HOST:PORT node to process
--node HOST:PORT, -n HOST:PORT
add HOST:PORT to the list of nodes to process
--nodes FILE, -N FILE
add the nodes in FILE to the list of nodes to process
--password PASS, -p PASS
UI password (default: interactive prompt)
--username USER, -u USER
UI username (default: interactive prompt)
job pool options:
--pool-size SIZE nonzero size of job pool (default: N)
--process-pool use a process pool
--thread-pool use a thread pool (default)
The command needs:
One or more nodes, from the Node Arguments and Options (bare arguments, --node/-n options, --nodes/-N options).
One or more AUIDs, from the AUID Options (--auid/-a options, --auids/-A options).
It also accepts Options for Output Format Control and Job Pool Control.
crawl-plugins (cp)
The crawl-plugins command is one of the Per-Node Operations, used to cause nodes to crawl their plugins. It has its own --help/-h option:
usage: debugpanel crawl-plugins [-h] [--output-format FMT] [--node HOST:PORT]
[--nodes FILE] [--password PASS]
[--username USER] [--pool-size SIZE]
[--process-pool | --thread-pool]
[HOST:PORT ...]
Cause nodes to crawl plugins
options:
-h, --help show this help message and exit
--output-format FMT set tabular output format to FMT (default: simple;
choices: asciidoc, double_grid, double_outline,
fancy_grid, fancy_outline, github, grid, heavy_grid,
heavy_outline, html, jira, latex, latex_booktabs,
latex_longtable, latex_raw, mediawiki, mixed_grid,
mixed_outline, moinmoin, orgtbl, outline, pipe, plain,
presto, pretty, psql, rounded_grid, rounded_outline,
rst, simple, simple_grid, simple_outline, textile,
tsv, unsafehtml, youtrack)
node arguments and options:
HOST:PORT node to process
--node HOST:PORT, -n HOST:PORT
add HOST:PORT to the list of nodes to process
--nodes FILE, -N FILE
add the nodes in FILE to the list of nodes to process
--password PASS, -p PASS
UI password (default: interactive prompt)
--username USER, -u USER
UI username (default: interactive prompt)
job pool options:
--pool-size SIZE nonzero size of job pool (default: N)
--process-pool use a process pool
--thread-pool use a thread pool (default)
The command needs:
One or more nodes, from the Node Arguments and Options (bare arguments, --node/-n options, --nodes/-N options).
It also accepts Options for Output Format Control and Job Pool Control.
deep-crawl (dc)
The deep-crawl command is one of the Per-AU Operations, used to cause nodes to crawl AUs with depth. It has its own --help/-h option:
usage: debugpanel deep-crawl [-h] [--output-format FMT] [--node HOST:PORT]
[--nodes FILE] [--password PASS]
[--username USER] [--auid AUID] [--auids FILE]
[--pool-size SIZE]
[--process-pool | --thread-pool] [--depth DEPTH]
[HOST:PORT ...]
Cause nodes to crawl AUs, with depth
options:
-h, --help show this help message and exit
--output-format FMT set tabular output format to FMT (default: simple;
choices: asciidoc, double_grid, double_outline,
fancy_grid, fancy_outline, github, grid, heavy_grid,
heavy_outline, html, jira, latex, latex_booktabs,
latex_longtable, latex_raw, mediawiki, mixed_grid,
mixed_outline, moinmoin, orgtbl, outline, pipe, plain,
presto, pretty, psql, rounded_grid, rounded_outline,
rst, simple, simple_grid, simple_outline, textile,
tsv, unsafehtml, youtrack)
--depth DEPTH, -d DEPTH
depth of deep crawls (default: 123)
node arguments and options:
HOST:PORT node to process
--node HOST:PORT, -n HOST:PORT
add HOST:PORT to the list of nodes to process
--nodes FILE, -N FILE
add the nodes in FILE to the list of nodes to process
--password PASS, -p PASS
UI password (default: interactive prompt)
--username USER, -u USER
UI username (default: interactive prompt)
AUID options:
--auid AUID, -a AUID add AUID to the list of AUIDs to process
--auids FILE, -A FILE
add the AUIDs in FILE to the list of AUIDs to process
job pool options:
--pool-size SIZE nonzero size of job pool (default: N)
--process-pool use a process pool
--thread-pool use a thread pool (default)
The command needs:
One or more nodes, from the Node Arguments and Options (bare arguments, --node/-n options, --nodes/-N options).
One or more AUIDs, from the AUID Options (--auid/-a options, --auids/-A options).
It has a unique option, --depth/-d, which is an integer specifying the desired crawl depth.
It also accepts Options for Output Format Control and Job Pool Control.
disable-indexing (di)
The disable-indexing command is one of the Per-AU Operations, used to cause nodes to disable metadata indexing of AUs. It has its own --help/-h option:
usage: debugpanel disable-indexing [-h] [--output-format FMT]
[--node HOST:PORT] [--nodes FILE]
[--password PASS] [--username USER]
[--auid AUID] [--auids FILE]
[--pool-size SIZE]
[--process-pool | --thread-pool]
[HOST:PORT ...]
Cause nodes to disable metadata indexing of AUs
options:
-h, --help show this help message and exit
--output-format FMT set tabular output format to FMT (default: simple;
choices: asciidoc, double_grid, double_outline,
fancy_grid, fancy_outline, github, grid, heavy_grid,
heavy_outline, html, jira, latex, latex_booktabs,
latex_longtable, latex_raw, mediawiki, mixed_grid,
mixed_outline, moinmoin, orgtbl, outline, pipe, plain,
presto, pretty, psql, rounded_grid, rounded_outline,
rst, simple, simple_grid, simple_outline, textile,
tsv, unsafehtml, youtrack)
node arguments and options:
HOST:PORT node to process
--node HOST:PORT, -n HOST:PORT
add HOST:PORT to the list of nodes to process
--nodes FILE, -N FILE
add the nodes in FILE to the list of nodes to process
--password PASS, -p PASS
UI password (default: interactive prompt)
--username USER, -u USER
UI username (default: interactive prompt)
AUID options:
--auid AUID, -a AUID add AUID to the list of AUIDs to process
--auids FILE, -A FILE
add the AUIDs in FILE to the list of AUIDs to process
job pool options:
--pool-size SIZE nonzero size of job pool (default: N)
--process-pool use a process pool
--thread-pool use a thread pool (default)
The command needs:
One or more nodes, from the Node Arguments and Options (bare arguments, --node/-n options, --nodes/-N options).
One or more AUIDs, from the AUID Options (--auid/-a options, --auids/-A options).
It also accepts Options for Output Format Control and Job Pool Control.
license
The license command displays the license terms for Debugpanel and exits.
poll (po)
The poll command is one of the Per-AU Operations, used to cause nodes to poll AUs. It has its own --help/-h option:
usage: debugpanel poll [-h] [--output-format FMT] [--node HOST:PORT]
[--nodes FILE] [--password PASS] [--username USER]
[--auid AUID] [--auids FILE] [--pool-size SIZE]
[--process-pool | --thread-pool]
[HOST:PORT ...]
Cause nodes to poll AUs
options:
-h, --help show this help message and exit
--output-format FMT set tabular output format to FMT (default: simple;
choices: asciidoc, double_grid, double_outline,
fancy_grid, fancy_outline, github, grid, heavy_grid,
heavy_outline, html, jira, latex, latex_booktabs,
latex_longtable, latex_raw, mediawiki, mixed_grid,
mixed_outline, moinmoin, orgtbl, outline, pipe, plain,
presto, pretty, psql, rounded_grid, rounded_outline,
rst, simple, simple_grid, simple_outline, textile,
tsv, unsafehtml, youtrack)
node arguments and options:
HOST:PORT node to process
--node HOST:PORT, -n HOST:PORT
add HOST:PORT to the list of nodes to process
--nodes FILE, -N FILE
add the nodes in FILE to the list of nodes to process
--password PASS, -p PASS
UI password (default: interactive prompt)
--username USER, -u USER
UI username (default: interactive prompt)
AUID options:
--auid AUID, -a AUID add AUID to the list of AUIDs to process
--auids FILE, -A FILE
add the AUIDs in FILE to the list of AUIDs to process
job pool options:
--pool-size SIZE nonzero size of job pool (default: N)
--process-pool use a process pool
--thread-pool use a thread pool (default)
The command needs:
One or more nodes, from the Node Arguments and Options (bare arguments, --node/-n options, --nodes/-N options).
One or more AUIDs, from the AUID Options (--auid/-a options, --auids/-A options).
It also accepts Options for Output Format Control and Job Pool Control.
reindex-metadata (ri)
The reindex-metadata command is one of the Per-AU Operations, used to cause nodes to reindex the metadata of AUs. It has its own --help/-h option:
usage: debugpanel reindex-metadata [-h] [--output-format FMT]
[--node HOST:PORT] [--nodes FILE]
[--password PASS] [--username USER]
[--auid AUID] [--auids FILE]
[--pool-size SIZE]
[--process-pool | --thread-pool]
[HOST:PORT ...]
Cause nodes to reindex the metadata of AUs
options:
-h, --help show this help message and exit
--output-format FMT set tabular output format to FMT (default: simple;
choices: asciidoc, double_grid, double_outline,
fancy_grid, fancy_outline, github, grid, heavy_grid,
heavy_outline, html, jira, latex, latex_booktabs,
latex_longtable, latex_raw, mediawiki, mixed_grid,
mixed_outline, moinmoin, orgtbl, outline, pipe, plain,
presto, pretty, psql, rounded_grid, rounded_outline,
rst, simple, simple_grid, simple_outline, textile,
tsv, unsafehtml, youtrack)
node arguments and options:
HOST:PORT node to process
--node HOST:PORT, -n HOST:PORT
add HOST:PORT to the list of nodes to process
--nodes FILE, -N FILE
add the nodes in FILE to the list of nodes to process
--password PASS, -p PASS
UI password (default: interactive prompt)
--username USER, -u USER
UI username (default: interactive prompt)
AUID options:
--auid AUID, -a AUID add AUID to the list of AUIDs to process
--auids FILE, -A FILE
add the AUIDs in FILE to the list of AUIDs to process
job pool options:
--pool-size SIZE nonzero size of job pool (default: N)
--process-pool use a process pool
--thread-pool use a thread pool (default)
The command needs:
One or more nodes, from the Node Arguments and Options (bare arguments, --node/-n options, --nodes/-N options).
One or more AUIDs, from the AUID Options (--auid/-a options, --auids/-A options).
It also accepts Options for Output Format Control and Job Pool Control.
reload-config (rc)
The reload-config command is one of the Per-Node Operations, used to cause nodes to reload their configuration. It has its own --help/-h option:
usage: debugpanel reload-config [-h] [--output-format FMT] [--node HOST:PORT]
[--nodes FILE] [--password PASS]
[--username USER] [--pool-size SIZE]
[--process-pool | --thread-pool]
[HOST:PORT ...]
Cause nodes to reload their configuration
options:
-h, --help show this help message and exit
--output-format FMT set tabular output format to FMT (default: simple;
choices: asciidoc, double_grid, double_outline,
fancy_grid, fancy_outline, github, grid, heavy_grid,
heavy_outline, html, jira, latex, latex_booktabs,
latex_longtable, latex_raw, mediawiki, mixed_grid,
mixed_outline, moinmoin, orgtbl, outline, pipe, plain,
presto, pretty, psql, rounded_grid, rounded_outline,
rst, simple, simple_grid, simple_outline, textile,
tsv, unsafehtml, youtrack)
node arguments and options:
HOST:PORT node to process
--node HOST:PORT, -n HOST:PORT
add HOST:PORT to the list of nodes to process
--nodes FILE, -N FILE
add the nodes in FILE to the list of nodes to process
--password PASS, -p PASS
UI password (default: interactive prompt)
--username USER, -u USER
UI username (default: interactive prompt)
job pool options:
--pool-size SIZE nonzero size of job pool (default: N)
--process-pool use a process pool
--thread-pool use a thread pool (default)
The command needs:
One or more nodes, from the Node Arguments and Options (bare arguments, --node/-n options, --nodes/-N options).
It also accepts Options for Output Format Control and Job Pool Control.
usage
The usage command displays the usage message of all the Debugpanel Commands.
validate-files (vf)
The validate-files command is one of the Per-AU Operations, used to cause nodes to reindex the metadata of AUs. It has its own --help/-h option:
usage: debugpanel validate-files [-h] [--output-format FMT] [--node HOST:PORT]
[--nodes FILE] [--password PASS]
[--username USER] [--auid AUID]
[--auids FILE] [--pool-size SIZE]
[--process-pool | --thread-pool]
[HOST:PORT ...]
Cause nodes to run file validation on AUs
options:
-h, --help show this help message and exit
--output-format FMT set tabular output format to FMT (default: simple;
choices: asciidoc, double_grid, double_outline,
fancy_grid, fancy_outline, github, grid, heavy_grid,
heavy_outline, html, jira, latex, latex_booktabs,
latex_longtable, latex_raw, mediawiki, mixed_grid,
mixed_outline, moinmoin, orgtbl, outline, pipe, plain,
presto, pretty, psql, rounded_grid, rounded_outline,
rst, simple, simple_grid, simple_outline, textile,
tsv, unsafehtml, youtrack)
node arguments and options:
HOST:PORT node to process
--node HOST:PORT, -n HOST:PORT
add HOST:PORT to the list of nodes to process
--nodes FILE, -N FILE
add the nodes in FILE to the list of nodes to process
--password PASS, -p PASS
UI password (default: interactive prompt)
--username USER, -u USER
UI username (default: interactive prompt)
AUID options:
--auid AUID, -a AUID add AUID to the list of AUIDs to process
--auids FILE, -A FILE
add the AUIDs in FILE to the list of AUIDs to process
job pool options:
--pool-size SIZE nonzero size of job pool (default: N)
--process-pool use a process pool
--thread-pool use a thread pool (default)
The command needs:
One or more nodes, from the Node Arguments and Options (bare arguments, --node/-n options, --nodes/-N options).
One or more AUIDs, from the AUID Options (--auid/-a options, --auids/-A options).
It also accepts Options for Output Format Control and Job Pool Control.
version
The version command displays the version number of Debugpanel and exits.
Options
Node Arguments and Options
Commands for Per-Node Operations expect one or more node references in HOST:PORT format, for instance lockss.myuniversity.edu:8081. The list of nodes to process is derived from:
The nodes listed as bare arguments to the command.
The nodes listed as --node/-n options.
The nodes found in the files listed as --nodes/-N options.
AUID Options
In addition to Node Arguments and Options, Commands for Per-AU Operations expect one or more AUIDs. The list of AUIDs to target is derived from:
The AUIDs listed as --auid/-a options.
The AUIDs found in the files listed as --auids/-A options.
Output Format Control
Debugpanel’s tabular output is performed by the tabulate library through the --output-format option. See its PyPI page for a visual reference of the various output formats available. The default is simple.
Job Pool Control
Debugpanel performs multiple operations (contacting multiple nodes and/or working on multiple AU requests per node) in parallel using a thread pool (--thread-pool, the default) or a process pool (--process-pool). You can change the size of the job pool with the --pool-size option, which accepts a nonzero integer. Note that the underlying implementation may limit the number of threads or processes despite a larger number at the command line. The default value depends on the system’s CPU characteristics (represented in this document as “N”). Using --thread-pool --pool-size=1 approximates no parallel processing.
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