2011-09-12 08:58:10 +00:00
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cdist(1)
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========
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2016-06-23 14:08:59 +00:00
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NAME
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----
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cdist - Usable Configuration Management
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2011-09-12 08:58:10 +00:00
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SYNOPSIS
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--------
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2011-09-13 20:48:14 +00:00
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2016-05-20 06:50:56 +00:00
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::
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2017-07-20 18:12:08 +00:00
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cdist [-h] [-q] [-v] [-V] {banner,config,shell,install} ...
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2016-05-20 06:50:56 +00:00
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2017-07-20 18:12:08 +00:00
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cdist banner [-h] [-q] [-v]
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2011-09-13 20:48:14 +00:00
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2017-07-20 18:12:08 +00:00
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cdist config [-h] [-q] [-v] [-b] [-C CACHE_PATH_PATTERN] [-c CONF_DIR]
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2017-07-01 22:07:02 +00:00
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[-i MANIFEST] [-j [JOBS]] [-n] [-o OUT_PATH]
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2016-08-15 14:37:38 +00:00
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[--remote-copy REMOTE_COPY] [--remote-exec REMOTE_EXEC]
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2017-07-01 22:07:02 +00:00
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[-f HOSTFILE] [-p] [-r REMOTE_OUT_PATH] [-s]
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2016-08-14 18:11:45 +00:00
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[host [host ...]]
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2011-09-13 19:35:57 +00:00
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2017-07-20 18:12:08 +00:00
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cdist install [-h] [-q] [-v] [-b] [-C CACHE_PATH_PATTERN] [-c CONF_DIR]
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2017-07-01 22:07:02 +00:00
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[-i MANIFEST] [-j [JOBS]] [-n] [-o OUT_PATH]
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2016-10-13 19:38:34 +00:00
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[--remote-copy REMOTE_COPY] [--remote-exec REMOTE_EXEC]
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2017-07-01 22:07:02 +00:00
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[-f HOSTFILE] [-p] [-r REMOTE_OUT_PATH] [-s]
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2016-10-13 19:38:34 +00:00
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[host [host ...]]
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2017-07-20 18:12:08 +00:00
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cdist shell [-h] [-q] [-v] [-s SHELL]
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2011-09-12 08:58:10 +00:00
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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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2016-07-20 06:16:58 +00:00
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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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2013-08-12 09:42:00 +00:00
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GENERAL
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-------
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2014-04-29 19:33:18 +00:00
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All commands accept the following options:
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2013-08-12 09:42:00 +00:00
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2016-08-14 18:11:45 +00:00
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.. option:: -h, --help
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2016-05-20 06:50:56 +00:00
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2016-08-14 18:11:45 +00:00
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Show the help screen
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2011-09-13 19:35:57 +00:00
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2017-06-28 08:18:53 +00:00
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.. option:: -q, --quiet
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Quiet mode: disables logging, including WARNING and ERROR
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2016-05-20 06:50:56 +00:00
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.. option:: -v, --verbose
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2017-01-28 12:49:19 +00:00
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Increase the verbosity level. Every instance of -v increments the verbosity
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2017-06-28 08:18:53 +00:00
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level by one. Its default value is 0 which includes ERROR and WARNING levels.
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The levels, in order from the lowest to the highest, are:
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ERROR (-1), WARNING (0), INFO (1), VERBOSE (2), DEBUG (3) TRACE (4 or higher).
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2013-08-12 09:42:00 +00:00
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2016-05-20 06:50:56 +00:00
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.. option:: -V, --version
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2011-09-13 19:35:57 +00:00
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Show version and exit
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2011-09-12 08:58:10 +00:00
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2011-09-13 19:35:57 +00:00
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BANNER
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2013-08-12 09:42:00 +00:00
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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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2011-09-13 19:35:57 +00:00
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2016-10-13 19:38:34 +00:00
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CONFIG/INSTALL
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--------------
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Configure/install one or more hosts.
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2011-09-13 19:35:57 +00:00
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2016-12-07 22:43:03 +00:00
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.. option:: -b, --beta
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2016-08-15 14:37:38 +00:00
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2017-06-30 15:01:07 +00:00
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Enable beta functionality.
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2016-12-07 22:43:03 +00:00
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Can also be enabled using CDIST_BETA env var.
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2016-08-15 14:37:38 +00:00
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2017-07-01 21:59:51 +00:00
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.. option:: -C CACHE_PATH_PATTERN, --cache-path-pattern CACHE_PATH_PATTERN
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Sepcify custom cache path pattern. It can also be set by
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CDIST_CACHE_PATH_PATTERN environment variable. 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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2016-05-20 06:50:56 +00:00
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.. option:: -c CONF_DIR, --conf-dir CONF_DIR
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2012-11-30 12:48:34 +00:00
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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. Additionally this can also
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be configured by setting the CDIST_PATH environment variable to a colon
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delimited list of config directories. Directories given with the
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--conf-dir argument have higher precedence over those set through the
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environment variable.
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2011-09-12 09:18:18 +00:00
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2016-05-25 05:39:53 +00:00
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.. option:: -f HOSTFILE, --file HOSTFILE
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2017-06-30 15:45:14 +00:00
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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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2016-05-22 07:45:08 +00:00
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If no host or host file is specified then, by default,
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2017-07-01 21:59:51 +00:00
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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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2016-05-22 07:22:39 +00:00
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2016-05-20 06:50:56 +00:00
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.. option:: -i MANIFEST, --initial-manifest MANIFEST
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2012-05-22 13:06:04 +00:00
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Path to a cdist manifest or - to read from stdin
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2011-09-12 09:18:18 +00:00
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2016-08-15 14:37:38 +00:00
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.. option:: -j [JOBS], --jobs [JOBS]
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2017-06-13 20:54:40 +00:00
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Specify the maximum number of parallel jobs. Global
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explorers, object prepare and object run are supported
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(currently in beta).
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2016-08-15 14:37:38 +00:00
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2016-08-14 18:11:45 +00:00
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.. option:: -n, --dry-run
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Do not execute code
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.. option:: -o OUT_PATH, --out-dir OUT_PATH
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Directory to save cdist output in
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2016-05-20 06:50:56 +00:00
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.. option:: -p, --parallel
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2012-05-22 13:06:04 +00:00
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Operate on multiple hosts in parallel
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2011-09-12 09:18:18 +00:00
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2017-07-20 18:08:15 +00:00
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.. option:: -r REMOTE_OUT_PATH, --remote-out-dir REMOTE_OUT_PATH
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2017-06-27 15:49:58 +00:00
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Directory to save cdist output in on the target host
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2016-05-20 06:50:56 +00:00
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.. option:: -s, --sequential
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2016-08-14 18:11:45 +00:00
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Operate on multiple hosts sequentially (default)
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2012-05-22 13:06:04 +00:00
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2016-05-20 06:50:56 +00:00
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.. option:: --remote-copy REMOTE_COPY
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2012-05-22 13:06:04 +00:00
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Command to use for remote copy (should behave like scp)
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2016-05-20 06:50:56 +00:00
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.. option:: --remote-exec REMOTE_EXEC
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2012-05-22 13:06:04 +00:00
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Command to use for remote execution (should behave like ssh)
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2011-09-12 08:58:10 +00:00
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2016-08-19 12:33:41 +00:00
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HOSTFILE FORMAT
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~~~~~~~~~~~~~~~
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2017-06-30 15:45:14 +00:00
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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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2016-08-20 05:49:52 +00:00
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Empty lines are ignored/skipped.
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2017-06-30 15:45:14 +00:00
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The Hostfile lines are processed as follows. First, all comments are
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2016-08-20 05:49:52 +00:00
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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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2016-08-19 12:33:41 +00:00
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2017-07-01 21:59:51 +00:00
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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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2016-08-19 12:33:41 +00:00
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2013-08-12 09:42:00 +00:00
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SHELL
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-----
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2013-08-12 10:32:58 +00:00
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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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2013-08-12 09:42:00 +00:00
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2016-08-14 18:11:45 +00:00
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.. option:: -s SHELL, --shell SHELL
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2016-05-20 06:50:56 +00:00
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2016-07-19 11:00:14 +00:00
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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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2013-08-12 09:42:00 +00:00
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2016-07-19 11:00:14 +00:00
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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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2016-07-20 06:16:58 +00:00
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cdist/conf
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The distribution configuration directory. It contains official types and
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explorers. This path is relative to cdist installation directory.
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2011-09-12 08:58:10 +00:00
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2016-11-27 16:02:51 +00:00
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NOTES
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-----
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cdist detects if host is specified by IPv6 address. If so then remote_copy
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command is executed with host address enclosed in square brackets
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(see :strong:`scp`\ (1)).
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2011-09-12 08:58:10 +00:00
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EXAMPLES
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--------
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2016-05-20 06:50:56 +00:00
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.. code-block:: sh
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2012-05-22 13:06:04 +00:00
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2016-05-20 06:50:56 +00:00
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# Configure ikq05.ethz.ch with debug enabled
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2017-06-30 07:08:22 +00:00
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% cdist config -vvv ikq05.ethz.ch
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2011-09-13 19:35:57 +00:00
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2016-05-20 06:50:56 +00:00
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# Configure hosts in parallel and use a different configuration directory
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% cdist config -c ~/p/cdist-nutzung \
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-p ikq02.ethz.ch ikq03.ethz.ch ikq04.ethz.ch
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2011-09-12 08:58:10 +00:00
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2016-05-20 06:50:56 +00:00
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# Use custom remote exec / copy commands
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% cdist config --remote-exec /path/to/my/remote/exec \
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--remote-copy /path/to/my/remote/copy \
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-p ikq02.ethz.ch ikq03.ethz.ch ikq04.ethz.ch
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2011-09-13 19:35:57 +00:00
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2016-05-25 05:39:53 +00:00
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# Configure hosts read from file loadbalancers
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% cdist config -f loadbalancers
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2011-09-13 19:35:57 +00:00
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2016-08-17 06:07:57 +00:00
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# Configure hosts read from file web.hosts using 16 parallel jobs
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# (beta functionality)
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% cdist config -b -j 16 -f web.hosts
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2016-05-20 06:50:56 +00:00
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# Display banner
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cdist banner
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2013-08-12 09:42:00 +00:00
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2016-05-20 06:50:56 +00:00
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# Show help
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% cdist --help
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2013-08-12 09:42:00 +00:00
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2016-05-20 06:50:56 +00:00
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# Show Version
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% cdist --version
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2013-08-12 09:42:00 +00:00
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2016-05-20 06:50:56 +00:00
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# Enter a shell that has access to emulated types
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% cdist shell
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% __git
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usage: __git --source SOURCE [--state STATE] [--branch BRANCH]
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[--group GROUP] [--owner OWNER] [--mode MODE] object_id
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2011-09-12 08:58:10 +00:00
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2016-10-13 19:38:34 +00:00
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# Install ikq05.ethz.ch with debug enabled
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2017-06-30 07:08:22 +00:00
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% cdist install -vvv ikq05.ethz.ch
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2011-09-12 08:58:10 +00:00
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2011-09-18 19:04:23 +00:00
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ENVIRONMENT
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-----------
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2016-05-20 06:50:56 +00:00
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TMPDIR, TEMP, TMP
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2014-01-20 19:30:37 +00:00
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Setup the base directory for the temporary directory.
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See http://docs.python.org/py3k/library/tempfile.html for
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more information. This is rather useful, if the standard
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directory used does not allow executables.
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2016-07-20 06:16:58 +00:00
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CDIST_PATH
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Colon delimited list of config directories.
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2016-05-20 06:50:56 +00:00
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CDIST_LOCAL_SHELL
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2016-07-20 06:16:58 +00:00
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Selects shell for local script execution, defaults to /bin/sh.
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2014-01-20 19:30:37 +00:00
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2016-05-20 06:50:56 +00:00
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CDIST_REMOTE_SHELL
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2016-08-22 07:24:48 +00:00
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Selects shell for remote script execution, defaults to /bin/sh.
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2016-07-20 06:16:58 +00:00
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CDIST_OVERRIDE
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Allow overwriting type parameters.
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CDIST_ORDER_DEPENDENCY
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Create dependencies based on the execution order.
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2011-09-18 19:04:23 +00:00
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2016-05-20 06:50:56 +00:00
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CDIST_REMOTE_EXEC
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2016-07-20 06:16:58 +00:00
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Use this command for remote execution (should behave like ssh).
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2016-03-18 22:34:02 +00:00
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2016-05-20 06:50:56 +00:00
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CDIST_REMOTE_COPY
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2016-07-20 06:16:58 +00:00
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Use this command for remote copy (should behave like scp).
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2012-03-12 19:20:18 +00:00
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2016-12-04 19:27:42 +00:00
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CDIST_BETA
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2017-06-30 15:01:07 +00:00
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Enable beta functionality.
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2016-12-04 19:27:42 +00:00
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2017-07-01 21:59:51 +00:00
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CDIST_CACHE_PATH_PATTERN
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Custom cache path pattern.
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2012-03-12 19:20:18 +00:00
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EXIT STATUS
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-----------
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The following exit values shall be returned:
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2016-07-20 06:16:58 +00:00
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0 Successful completion.
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1 One or more host configurations failed.
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2012-03-12 19:20:18 +00:00
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2016-06-17 19:28:16 +00:00
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AUTHORS
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2016-11-29 06:43:53 +00:00
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Originally written by Nico Schottelius <nico-cdist--@--schottelius.org>
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and Steven Armstrong <steven-cdist--@--armstrong.cc>.
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2011-09-12 08:58:10 +00:00
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2017-07-01 21:59:51 +00:00
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2016-08-17 17:32:43 +00:00
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CAVEATS
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-------
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When operating in parallel, either by operating in parallel for each host
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(-p/--parallel) or by parallel jobs within a host (-j/--jobs), and depending
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on target SSH server and its configuration you may encounter connection drops.
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This is controlled with sshd :strong:`MaxStartups` configuration options.
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You may also encounter session open refusal. This happens with ssh multiplexing
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when you reach maximum number of open sessions permitted per network
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connection. In this case ssh will disable multiplexing.
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This limit is controlled with sshd :strong:`MaxSessions` configuration
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options. For more details refer to :strong:`sshd_config`\ (5).
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2016-10-08 09:40:32 +00:00
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When requirements for the same object are defined in different manifests (see
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2017-06-11 11:58:47 +00:00
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example below), for example, in init manifest and in some other type manifest
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and those requirements differ then dependency resolver cannot detect
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2017-06-30 15:45:14 +00:00
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dependencies correctly. This happens because cdist cannot prepare all objects first
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2017-06-11 11:58:47 +00:00
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and run all objects afterwards. Some object can depend on the result of type
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explorer(s) and explorers are executed during object run. cdist will detect
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2017-06-30 15:45:14 +00:00
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such case and display a warning message. An example of such a case:
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2016-10-08 09:40:32 +00:00
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.. code-block:: sh
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init manifest:
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__a a
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require="__e/e" __b b
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require="__f/f" __c c
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__e e
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__f f
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require="__c/c" __d d
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__g g
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__h h
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type __g manifest:
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require="__c/c __d/d" __a a
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Warning message:
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2016-10-08 09:45:50 +00:00
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WARNING: cdisttesthost: Object __a/a already exists with requirements:
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2016-10-08 09:40:32 +00:00
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/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()
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/tmp/tmp.cdist.test.ozagkg54/local/759547ff4356de6e3d9e08522b0d0807/data/conf/type/__g/manifest: {'__c/c', '__d/d'}
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Dependency resolver could not handle dependencies as expected.
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2011-09-12 08:58:10 +00:00
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COPYING
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-------
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2017-06-11 12:01:16 +00:00
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Copyright \(C) 2011-2017 Nico Schottelius. Free use of this software is
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2016-07-20 05:55:48 +00:00
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granted under the terms of the GNU General Public License v3 or later (GPLv3+).
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