730 lines
24 KiB
ReStructuredText
730 lines
24 KiB
ReStructuredText
cdist(1)
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========
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NAME
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----
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cdist - Usable Configuration Management
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SYNOPSIS
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--------
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::
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cdist [-h] [-V] {banner,config,install,inventory,shell} ...
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cdist banner [-h] [-l LOGLEVEL] [-q] [-v]
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cdist config [-h] [-l LOGLEVEL] [-q] [-v] [-b] [-g CONFIG_FILE]
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[-C CACHE_PATH_PATTERN] [-c CONF_DIR] [-i MANIFEST]
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[-j [JOBS]] [-n] [-o OUT_PATH] [-R [{tar,tgz,tbz2,txz}]]
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[-r REMOTE_OUT_DIR] [--remote-copy REMOTE_COPY]
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[--remote-exec REMOTE_EXEC] [-I INVENTORY_DIR] [-4] [-6]
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[-A] [-a] [-f HOSTFILE] [-p [HOST_MAX]] [-S] [-s] [-t]
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[host [host ...]]
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cdist install [-h] [-l LOGLEVEL] [-q] [-v] [-b] [-g CONFIG_FILE]
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[-C CACHE_PATH_PATTERN] [-c CONF_DIR] [-i MANIFEST]
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[-j [JOBS]] [-n] [-o OUT_PATH] [-R [{tar,tgz,tbz2,txz}]]
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[-r REMOTE_OUT_DIR] [--remote-copy REMOTE_COPY]
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[--remote-exec REMOTE_EXEC] [-I INVENTORY_DIR] [-4] [-6]
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[-A] [-a] [-f HOSTFILE] [-p [HOST_MAX]] [-S] [-s] [-t]
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[host [host ...]]
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cdist inventory [-h] {add-host,add-tag,del-host,del-tag,list} ...
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cdist inventory add-host [-h] [-l LOGLEVEL] [-q] [-v] [-b]
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[-g CONFIG_FILE] [-I INVENTORY_DIR]
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[-f HOSTFILE]
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[host [host ...]]
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cdist inventory add-tag [-h] [-l LOGLEVEL] [-q] [-v] [-b]
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[-g CONFIG_FILE] [-I INVENTORY_DIR]
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[-f HOSTFILE] [-T TAGFILE] [-t TAGLIST]
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[host [host ...]]
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cdist inventory del-host [-h] [-l LOGLEVEL] [-q] [-v] [-b]
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[-g CONFIG_FILE] [-I INVENTORY_DIR] [-a]
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[-f HOSTFILE]
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[host [host ...]]
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cdist inventory del-tag [-h] [-l LOGLEVEL] [-q] [-v] [-b]
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[-g CONFIG_FILE] [-I INVENTORY_DIR] [-a]
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[-f HOSTFILE] [-T TAGFILE] [-t TAGLIST]
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[host [host ...]]
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cdist inventory list [-h] [-l LOGLEVEL] [-q] [-v] [-b] [-g CONFIG_FILE]
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[-I INVENTORY_DIR] [-a] [-f HOSTFILE] [-H] [-t]
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[host [host ...]]
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cdist shell [-h] [-l LOGLEVEL] [-q] [-v] [-s SHELL]
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DESCRIPTION
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-----------
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cdist is the frontend executable to the cdist configuration management.
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It supports different subcommands as explained below.
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It is written in Python so it requires :strong:`python`\ (1) to be installed.
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It requires a minimal Python version 3.2.
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GENERAL
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-------
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All commands accept the following options:
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**-h, --help**
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Show the help screen.
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**-l LOGLEVEL, --log-level LOGLEVEL**
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Set the specified verbosity level. The levels, in
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order from the lowest to the highest, are: ERROR (-1),
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WARNING (0), INFO (1), VERBOSE (2), DEBUG (3) TRACE (4
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or higher). If used along with -v then -v increases
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last set value and -l overwrites last set value.
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**-q, --quiet**
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Quiet mode: disables logging, including WARNING and ERROR.
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**-v, --verbose**
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Increase the verbosity level. Every instance of -v
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increments the verbosity level by one. Its default
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value is 0 which includes ERROR and WARNING levels.
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The levels, in order from the lowest to the highest,
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are: ERROR (-1), WARNING (0), INFO (1), VERBOSE (2),
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DEBUG (3) TRACE (4 or higher). If used along with -l
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then -l overwrites last set value and -v increases
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last set value.
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**-V, --version**
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Show version and exit.
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BANNER
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------
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Displays the cdist banner. Useful for printing
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cdist posters - a must have for every office.
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CONFIG/INSTALL
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--------------
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Configure/install one or more hosts.
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Install command is currently in beta.
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**-4, --force-ipv4**
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Force to use IPv4 addresses only. No influence for
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custom remote commands.
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**-6, --force-ipv6**
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Force to use IPv6 addresses only. No influence for
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custom remote commands.
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**-A, --all-tagged**
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Use all hosts present in tags db. Currently in beta.
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**-a, --all**
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List hosts that have all specified tags, if -t/--tag
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is specified.
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**-b, --beta**
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Enable beta functionality.
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**-C CACHE_PATH_PATTERN, --cache-path-pattern CACHE_PATH_PATTERN**
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Sepcify custom cache path pattern. If it is not set then
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default hostdir is used. For more info on format see
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:strong:`CACHE PATH PATTERN FORMAT` below.
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**-c CONF_DIR, --conf-dir CONF_DIR**
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Add a configuration directory. Can be specified multiple times.
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If configuration directories contain conflicting types, explorers or
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manifests, then the last one found is used.
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**-f HOSTFILE, --file HOSTFILE**
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Read specified file for a list of additional hosts to operate on
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or if '-' is given, read stdin (one host per line).
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If no host or host file is specified then, by default,
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read hosts from stdin. For the file format see
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:strong:`HOSTFILE FORMAT` below.
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**-g CONFIG_FILE, --config-file CONFIG_FILE**
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Use specified custom configuration file.
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**-I INVENTORY_DIR, --inventory INVENTORY_DIR**
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Use specified custom inventory directory. Inventory
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directory is set up by the following rules: if cdist
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configuration resolves this value then specified
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directory is used, if HOME env var is set then
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~/.cdit/inventory is used, otherwise distribution
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inventory directory is used.
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**-i MANIFEST, --initial-manifest MANIFEST**
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Path to a cdist manifest or - to read from stdin.
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**-j [JOBS], --jobs [JOBS]**
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Operate in parallel in specified maximum number of
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jobs. Global explorers, object prepare and object run
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are supported. Without argument CPU count is used by
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default. Currently in beta.
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**-n, --dry-run**
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Do not execute code.
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**-o OUT_PATH, --out-dir OUT_PATH**
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Directory to save cdist output in.
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**-p [HOST_MAX], --parallel [HOST_MAX]**
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Operate on multiple hosts in parallel for specified
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maximum hosts at a time. Without argument CPU count is
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used by default.
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**-R [{tar,tgz,tbz2,txz}], --use-archiving [{tar,tgz,tbz2,txz}]**
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Operate by using archiving with compression where
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appropriate. Supported values are: tar - tar archive,
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tgz - gzip tar archive (the default), tbz2 - bzip2 tar
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archive and txz - lzma tar archive. Currently in beta.
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**-r REMOTE_OUT_PATH, --remote-out-dir REMOTE_OUT_PATH**
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Directory to save cdist output in on the target host.
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**-S, --disable-saving-output-streams**
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Disable saving output streams.
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**-s, --sequential**
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Operate on multiple hosts sequentially (default).
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**--remote-copy REMOTE_COPY**
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Command to use for remote copy (should behave like scp).
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**--remote-exec REMOTE_EXEC**
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Command to use for remote execution (should behave like ssh).
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**-t, --tag**
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Host is specified by tag, not hostname/address; list
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all hosts that contain any of specified tags.
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Currently in beta.
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HOSTFILE FORMAT
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~~~~~~~~~~~~~~~
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The HOSTFILE contains one host per line.
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A comment is started with '#' and continues to the end of the line.
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Any leading and trailing whitespace on a line is ignored.
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Empty lines are ignored/skipped.
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The Hostfile lines are processed as follows. First, all comments are
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removed. Then all leading and trailing whitespace characters are stripped.
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If such a line results in empty line it is ignored/skipped. Otherwise,
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host string is used.
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CACHE PATH PATTERN FORMAT
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~~~~~~~~~~~~~~~~~~~~~~~~~
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Cache path pattern specifies path for a cache directory subdirectory.
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In the path, '%N' will be substituted by the target host, '%h' will
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be substituted by the calculated host directory, '%P' will be substituted
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by the current process id. All format codes that
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:strong:`python` :strong:`datetime.strftime()` function supports, except
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'%h', are supported. These date/time directives format cdist config/install
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start time.
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If empty pattern is specified then default calculated host directory
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is used.
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Calculated host directory is a hash of a host cdist operates on.
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Resulting path is used to specify cache path subdirectory under which
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current host cache data are saved.
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INVENTORY
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---------
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Manage inventory database.
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Currently in beta with all sub-commands.
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INVENTORY ADD-HOST
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------------------
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Add host(s) to inventory database.
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**host**
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Host(s) to add.
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**-b, --beta**
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Enable beta functionality.
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**-f HOSTFILE, --file HOSTFILE**
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Read additional hosts to add from specified file or
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from stdin if '-' (each host on separate line). If no
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host or host file is specified then, by default, read
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from stdin. Hostfile format is the same as config hostfile format.
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**-g CONFIG_FILE, --config-file CONFIG_FILE**
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Use specified custom configuration file.
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**-I INVENTORY_DIR, --inventory INVENTORY_DIR**
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Use specified custom inventory directory. Inventory
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directory is set up by the following rules: if cdist
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configuration resolves this value then specified
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directory is used, if HOME env var is set then
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~/.cdit/inventory is used, otherwise distribution
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inventory directory is used.
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INVENTORY ADD-TAG
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-----------------
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Add tag(s) to inventory database.
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**host**
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List of host(s) for which tags are added.
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**-b, --beta**
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Enable beta functionality.
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**-f HOSTFILE, --file HOSTFILE**
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Read additional hosts to add tags from specified file
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or from stdin if '-' (each host on separate line). If
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no host or host file is specified then, by default,
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read from stdin. If no tags/tagfile nor hosts/hostfile
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are specified then tags are read from stdin and are
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added to all hosts. Hostfile format is the same as config hostfile format.
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**-g CONFIG_FILE, --config-file CONFIG_FILE**
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Use specified custom configuration file.
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**-I INVENTORY_DIR, --inventory INVENTORY_DIR**
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Use specified custom inventory directory. Inventory
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directory is set up by the following rules: if cdist
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configuration resolves this value then specified
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directory is used, if HOME env var is set then
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~/.cdit/inventory is used, otherwise distribution
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inventory directory is used.
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**-T TAGFILE, --tag-file TAGFILE**
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Read additional tags to add from specified file or
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from stdin if '-' (each tag on separate line). If no
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tag or tag file is specified then, by default, read
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from stdin. If no tags/tagfile nor hosts/hostfile are
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specified then tags are read from stdin and are added
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to all hosts. Tagfile format is the same as config hostfile format.
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**-t TAGLIST, --taglist TAGLIST**
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Tag list to be added for specified host(s), comma
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separated values.
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INVENTORY DEL-HOST
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------------------
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Delete host(s) from inventory database.
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**host**
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Host(s) to delete.
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**-a, --all**
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Delete all hosts.
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**-b, --beta**
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Enable beta functionality.
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**-f HOSTFILE, --file HOSTFILE**
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Read additional hosts to delete from specified file or
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from stdin if '-' (each host on separate line). If no
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host or host file is specified then, by default, read
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from stdin. Hostfile format is the same as config hostfile format.
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**-g CONFIG_FILE, --config-file CONFIG_FILE**
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Use specified custom configuration file.
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**-I INVENTORY_DIR, --inventory INVENTORY_DIR**
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Use specified custom inventory directory. Inventory
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directory is set up by the following rules: if cdist
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configuration resolves this value then specified
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directory is used, if HOME env var is set then
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~/.cdit/inventory is used, otherwise distribution
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inventory directory is used.
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INVENTORY DEL-TAG
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-----------------
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Delete tag(s) from inventory database.
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**host**
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List of host(s) for which tags are deleted.
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**-a, --all**
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Delete all tags for specified host(s).
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**-b, --beta**
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Enable beta functionality.
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**-f HOSTFILE, --file HOSTFILE**
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Read additional hosts to delete tags for from
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specified file or from stdin if '-' (each host on
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separate line). If no host or host file is specified
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then, by default, read from stdin. If no tags/tagfile
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nor hosts/hostfile are specified then tags are read
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from stdin and are deleted from all hosts. Hostfile
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format is the same as config hostfile format.
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**-g CONFIG_FILE, --config-file CONFIG_FILE**
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Use specified custom configuration file.
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**-I INVENTORY_DIR, --inventory INVENTORY_DIR**
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Use specified custom inventory directory. Inventory
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directory is set up by the following rules: if cdist
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configuration resolves this value then specified
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directory is used, if HOME env var is set then
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~/.cdit/inventory is used, otherwise distribution
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inventory directory is used.
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**-T TAGFILE, --tag-file TAGFILE**
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Read additional tags from specified file or from stdin
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if '-' (each tag on separate line). If no tag or tag
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file is specified then, by default, read from stdin.
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If no tags/tagfile nor hosts/hostfile are specified
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then tags are read from stdin and are added to all
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hosts. Tagfile format is the same as config hostfile format.
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**-t TAGLIST, --taglist TAGLIST**
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Tag list to be deleted for specified host(s), comma
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separated values.
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INVENTORY LIST
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--------------
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List inventory database.
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**host**
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Host(s) to list.
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**-a, --all**
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List hosts that have all specified tags, if -t/--tag
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is specified.
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**-b, --beta**
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Enable beta functionality.
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**-f HOSTFILE, --file HOSTFILE**
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Read additional hosts to list from specified file or
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from stdin if '-' (each host on separate line). If no
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host or host file is specified then, by default, list
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all. Hostfile format is the same as config hostfile format.
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**-g CONFIG_FILE, --config-file CONFIG_FILE**
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Use specified custom configuration file.
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**-H, --host-only**
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Suppress tags listing.
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**-I INVENTORY_DIR, --inventory INVENTORY_DIR**
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Use specified custom inventory directory. Inventory
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directory is set up by the following rules: if cdist
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configuration resolves this value then specified
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directory is used, if HOME env var is set then
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~/.cdit/inventory is used, otherwise distribution
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inventory directory is used.
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**-t, --tag**
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Host is specified by tag, not hostname/address; list
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all hosts that contain any of specified tags.
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SHELL
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-----
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This command allows you to spawn a shell that enables access
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to the types as commands. It can be thought as an
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"interactive manifest" environment. See below for example
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usage. Its primary use is for debugging type parameters.
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**-s SHELL, --shell SHELL**
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Select shell to use, defaults to current shell. Used shell should
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be POSIX compatible shell.
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CONFIGURATION
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-------------
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cdist obtains configuration data from the following sources in the following
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order (from higher to lower precedence):
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#. command-line options
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#. configuration file specified at command-line
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#. configuration file specified in CDIST_CONFIG_FILE environment variable
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#. environment variables
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#. user's configuration file (first one found of ~/.cdist.cfg, $XDG_CONFIG_HOME/cdist/cdist.cfg, in specified order)
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#. system-wide configuration file (/etc/cdist.cfg).
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CONFIGURATION FILE FORMAT
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~~~~~~~~~~~~~~~~~~~~~~~~~
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cdist configuration file is in the INI file format. Currently it supports
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only [GLOBAL] section.
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The possible keywords and their meanings are as follows:
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:strong:`archiving`
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Use specified archiving. Valid values include:
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'none', 'tar', 'tgz', 'tbz2' and 'txz'.
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:strong:`beta`
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Enable beta functionality. It recognizes boolean values from
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'yes'/'no', 'on'/'off', 'true'/'false' and '1'/'0'.
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:strong:`cache_path_pattern`
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Specify cache path pattern.
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:strong:`conf_dir`
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List of configuration directories separated with the character conventionally
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used by the operating system to separate search path components (as in PATH),
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such as ':' for POSIX or ';' for Windows.
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If also specified at command line then values from command line are
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appended to this value.
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:strong:`init_manifest`
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Specify default initial manifest.
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:strong:`inventory_dir`
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Specify inventory directory.
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:strong:`jobs`
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Specify number of jobs for parallel processing. If -1 then the default,
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number of CPU's in the system is used. If 0 then parallel processing in
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jobs is disabled. If set to positive number then specified maximum
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number of processes will be used.
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:strong:`local_shell`
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Shell command used for local execution.
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:strong:`out_path`
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Directory to save cdist output in.
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:strong:`parallel`
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Process hosts in parallel. If -1 then the default, number of CPU's in
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the system is used. If 0 then parallel processing of hosts is disabled.
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If set to positive number then specified maximum number of processes
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will be used.
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:strong:`remote_copy`
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Command to use for remote copy (should behave like scp).
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:strong:`remote_exec`
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Command to use for remote execution (should behave like ssh).
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:strong:`remote_out_path`
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Directory to save cdist output in on the target host.
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:strong:`remote_shell`
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Shell command at remote host used for remote execution.
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:strong:`save_output_streams`
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Enable/disable saving output streams (enabled by default).
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It recognizes boolean values from 'yes'/'no', 'on'/'off', 'true'/'false'
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and '1'/'0'.
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:strong:`verbosity`
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Set verbosity level. Valid values are:
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'ERROR', 'WARNING', 'INFO', 'VERBOSE', 'DEBUG', 'TRACE' and 'OFF'.
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FILES
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-----
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~/.cdist
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Your personal cdist config directory. If exists it will be
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automatically used.
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|
~/.cdist/cache
|
|
Local cache directory.
|
|
~/.cdist/inventory
|
|
The home inventory directory. If ~/.cdist exists it will be used as
|
|
default inventory directory.
|
|
cdist/conf
|
|
The distribution configuration directory. It contains official types and
|
|
explorers. This path is relative to cdist installation directory.
|
|
cdist/inventory
|
|
The distribution inventory directory.
|
|
This path is relative to cdist installation directory.
|
|
/etc/cdist.cfg
|
|
Global cdist configuration file, if exists.
|
|
~/.cdist.cfg or $XDG_CONFIG_HOME/cdist/cdist.cfg
|
|
Local cdist configuration file, if exists.
|
|
|
|
NOTES
|
|
-----
|
|
cdist detects if host is specified by IPv6 address. If so then remote_copy
|
|
command is executed with host address enclosed in square brackets
|
|
(see :strong:`scp`\ (1)).
|
|
|
|
EXAMPLES
|
|
--------
|
|
|
|
.. code-block:: sh
|
|
|
|
# Configure ikq05.ethz.ch with debug enabled
|
|
% cdist config -vvv ikq05.ethz.ch
|
|
|
|
# Configure hosts in parallel and use a different configuration directory
|
|
% cdist config -c ~/p/cdist-nutzung \
|
|
-p ikq02.ethz.ch ikq03.ethz.ch ikq04.ethz.ch
|
|
|
|
# Use custom remote exec / copy commands
|
|
% cdist config --remote-exec /path/to/my/remote/exec \
|
|
--remote-copy /path/to/my/remote/copy \
|
|
-p ikq02.ethz.ch ikq03.ethz.ch ikq04.ethz.ch
|
|
|
|
# Configure hosts read from file loadbalancers
|
|
% cdist config -f loadbalancers
|
|
|
|
# Configure hosts read from file web.hosts using 16 parallel jobs
|
|
# (beta functionality)
|
|
% cdist config -b -j 16 -f web.hosts
|
|
|
|
# Display banner
|
|
cdist banner
|
|
|
|
# Show help
|
|
% cdist --help
|
|
|
|
# Show Version
|
|
% cdist --version
|
|
|
|
# Enter a shell that has access to emulated types
|
|
% cdist shell
|
|
% __git
|
|
usage: __git --source SOURCE [--state STATE] [--branch BRANCH]
|
|
[--group GROUP] [--owner OWNER] [--mode MODE] object_id
|
|
|
|
# Install ikq05.ethz.ch with debug enabled
|
|
% cdist install -vvv ikq05.ethz.ch
|
|
|
|
# List inventory content
|
|
% cdist inventory list -b
|
|
|
|
# List inventory for specified host localhost
|
|
% cdist inventory list -b localhost
|
|
|
|
# List inventory for specified tag loadbalancer
|
|
% cdist inventory list -b -t loadbalancer
|
|
|
|
# Add hosts to inventory
|
|
% cdist inventory add-host -b web1 web2 web3
|
|
|
|
# Delete hosts from file old-hosts from inventory
|
|
% cdist inventory del-host -b -f old-hosts
|
|
|
|
# Add tags to specifed hosts
|
|
% cdist inventory add-tag -b -t europe,croatia,web,static web1 web2
|
|
|
|
# Add tag to all hosts in inventory
|
|
% cdist inventory add-tag -b -t vm
|
|
|
|
# Delete all tags from specified host
|
|
% cdist inventory del-tag -b -a localhost
|
|
|
|
# Delete tags read from stdin from hosts specified by file hosts
|
|
% cdist inventory del-tag -b -T - -f hosts
|
|
|
|
# Configure hosts from inventory with any of specified tags
|
|
% cdist config -b -t web dynamic
|
|
|
|
# Configure hosts from inventory with all specified tags
|
|
% cdist config -b -t -a web dynamic
|
|
|
|
# Configure all hosts from inventory db
|
|
$ cdist config -b -A
|
|
|
|
|
|
ENVIRONMENT
|
|
-----------
|
|
TMPDIR, TEMP, TMP
|
|
Setup the base directory for the temporary directory.
|
|
See http://docs.python.org/py3k/library/tempfile.html for
|
|
more information. This is rather useful, if the standard
|
|
directory used does not allow executables.
|
|
|
|
CDIST_PATH
|
|
Colon delimited list of config directories.
|
|
|
|
CDIST_LOCAL_SHELL
|
|
Selects shell for local script execution, defaults to /bin/sh.
|
|
|
|
CDIST_REMOTE_SHELL
|
|
Selects shell for remote script execution, defaults to /bin/sh.
|
|
|
|
CDIST_OVERRIDE
|
|
Allow overwriting type parameters.
|
|
|
|
CDIST_ORDER_DEPENDENCY
|
|
Create dependencies based on the execution order.
|
|
|
|
CDIST_REMOTE_EXEC
|
|
Use this command for remote execution (should behave like ssh).
|
|
|
|
CDIST_REMOTE_COPY
|
|
Use this command for remote copy (should behave like scp).
|
|
|
|
CDIST_INVENTORY_DIR
|
|
Use this directory as inventory directory.
|
|
|
|
CDIST_BETA
|
|
Enable beta functionality.
|
|
|
|
CDIST_CACHE_PATH_PATTERN
|
|
Custom cache path pattern.
|
|
|
|
CDIST_CONFIG_FILE
|
|
Custom configuration file.
|
|
|
|
|
|
EXIT STATUS
|
|
-----------
|
|
The following exit values shall be returned:
|
|
|
|
0 Successful completion.
|
|
|
|
1 One or more host configurations failed.
|
|
|
|
|
|
AUTHORS
|
|
-------
|
|
Originally written by Nico Schottelius <nico-cdist--@--schottelius.org>
|
|
and Steven Armstrong <steven-cdist--@--armstrong.cc>.
|
|
|
|
|
|
CAVEATS
|
|
-------
|
|
When operating in parallel, either by operating in parallel for each host
|
|
(-p/--parallel) or by parallel jobs within a host (-j/--jobs), and depending
|
|
on target SSH server and its configuration you may encounter connection drops.
|
|
This is controlled with sshd :strong:`MaxStartups` configuration options.
|
|
You may also encounter session open refusal. This happens with ssh multiplexing
|
|
when you reach maximum number of open sessions permitted per network
|
|
connection. In this case ssh will disable multiplexing.
|
|
This limit is controlled with sshd :strong:`MaxSessions` configuration
|
|
options. For more details refer to :strong:`sshd_config`\ (5).
|
|
|
|
When requirements for the same object are defined in different manifests (see
|
|
example below), for example, in init manifest and in some other type manifest
|
|
and those requirements differ then dependency resolver cannot detect
|
|
dependencies correctly. This happens because cdist cannot prepare all objects first
|
|
and run all objects afterwards. Some object can depend on the result of type
|
|
explorer(s) and explorers are executed during object run. cdist will detect
|
|
such case and display a warning message. An example of such a case:
|
|
|
|
.. code-block:: sh
|
|
|
|
init manifest:
|
|
__a a
|
|
require="__e/e" __b b
|
|
require="__f/f" __c c
|
|
__e e
|
|
__f f
|
|
require="__c/c" __d d
|
|
__g g
|
|
__h h
|
|
|
|
type __g manifest:
|
|
require="__c/c __d/d" __a a
|
|
|
|
Warning message:
|
|
WARNING: cdisttesthost: Object __a/a already exists with requirements:
|
|
/usr/home/darko/ungleich/cdist/cdist/test/config/fixtures/manifest/init-deps-resolver /tmp/tmp.cdist.test.ozagkg54/local/759547ff4356de6e3d9e08522b0d0807/data/conf/type/__g/manifest: set()
|
|
/tmp/tmp.cdist.test.ozagkg54/local/759547ff4356de6e3d9e08522b0d0807/data/conf/type/__g/manifest: {'__c/c', '__d/d'}
|
|
Dependency resolver could not handle dependencies as expected.
|
|
|
|
COPYING
|
|
-------
|
|
Copyright \(C) 2011-2017 Nico Schottelius. Free use of this software is
|
|
granted under the terms of the GNU General Public License v3 or later (GPLv3+).
|