Merge branch 'executionorder'

Conflicts:
	doc/dev/todo/TAKEME

Signed-off-by: Nico Schottelius <nico@kr.ethz.ch>
This commit is contained in:
Nico Schottelius 2011-03-29 16:37:39 +02:00
commit 8bd52b9065
20 changed files with 231 additions and 273 deletions

View file

@ -32,31 +32,16 @@ if [ ! -d "$(__cdist_object_dir "$object")" ]; then
__cdist_exit_err "Object $object is missing."
fi
finished="$(__cdist_object_code_finished "$object")"
require="$(__cdist_object_require "$object")"
code="$(__cdist_object_code "$object")-${__cdist_gencode_type}"
# Do nothing if our work has been done
if [ -f "$finished" ]; then
exit 0
fi
echo "Checking code-${__cdist_gencode_type} for $object ..."
if [ -f "$require" ]; then
while read requirement; do
echo "Requiring dependency $requirement for $object ..."
cdist-code-run "$requirement" "$__cdist_gencode_type"
done < "$require"
fi
if [ -e "$code" ]; then
if [ -f "$code" ]; then
if [ -x "$code" ]; then
echo "Executing code-${__cdist_gencode_type} for $object ..."
"$code"
touch "$finished"
else
__cdist_exit_err "$code exists, but is not executable."
fi

View file

@ -43,7 +43,6 @@ __cdist_abs_myname="$__cdist_abs_mydir/$__cdist_myname"
: ${__cdist_name_bin:=bin}
: ${__cdist_name_cache:=cache}
: ${__cdist_name_code:=code}
: ${__cdist_name_code_finished:=codedone}
: ${__cdist_name_conf_dir:=conf}
: ${__cdist_name_dot_cdist:=.cdist}
: ${__cdist_name_explorer:=explorer}
@ -58,17 +57,20 @@ __cdist_abs_myname="$__cdist_abs_mydir/$__cdist_myname"
: ${__cdist_name_object_finished:=done}
: ${__cdist_name_object_id:=object_id}
: ${__cdist_name_object_source:=source}
: ${__cdist_name_objects_created:=.objects_created}
: ${__cdist_name_out_dir:=out}
: ${__cdist_name_parameter:=parameter}
: ${__cdist_name_parameter_required:=required}
: ${__cdist_name_parameter_optional:=optional}
: ${__cdist_name_require:=require}
: ${__cdist_name_self:=self}
: ${__cdist_name_singleton:=singleton}
: ${__cdist_name_target_host:=target_host}
: ${__cdist_name_target_user:=target_user}
: ${__cdist_name_type:=type}
: ${__cdist_name_type_bin:=type_bin}
: ${__cdist_name_type_explorer:=type_explorer}
: ${__cdist_name_type_explorer_pushed:=.explorer_pushed}
# Used for IDs: Allow everything not starting with - and .
: ${__cdist_sane_regexp:=[^-\.].*}
@ -88,6 +90,7 @@ __cdist_abs_myname="$__cdist_abs_mydir/$__cdist_myname"
: ${__cdist_name_var_target_user:=__$__cdist_name_target_user}
: ${__cdist_name_var_object:=__$__cdist_name_object}
: ${__cdist_name_var_object_id:=__$__cdist_name_object_id}
: ${__cdist_name_var_self:=__$__cdist_name_self}
: ${__cdist_name_var_type:=__$__cdist_name_type}
@ -116,8 +119,11 @@ __cdist_tmp_file=$(mktemp "$__cdist_tmp_dir/cdist.XXXXXXXXXXXX")
: ${__cdist_out_dir:=$__cdist_local_base_dir/$__cdist_name_out_dir}
: ${__cdist_out_explorer_dir:=$__cdist_out_dir/$__cdist_name_explorer}
: ${__cdist_out_object_dir:=$__cdist_out_dir/$__cdist_name_object}
: ${__cdist_out_type_dir:=$__cdist_out_dir/$__cdist_name_type}
: ${__cdist_out_type_bin_dir:=$__cdist_out_dir/$__cdist_name_type_bin}
: ${__cdist_objects_created:=$__cdist_out_object_dir/$__cdist_name_objects_created}
################################################################################
# Remote base
#
@ -135,6 +141,7 @@ __cdist_tmp_file=$(mktemp "$__cdist_tmp_dir/cdist.XXXXXXXXXXXX")
: ${__cdist_remote_out_explorer_dir:=$__cdist_remote_out_dir/$__cdist_name_explorer}
: ${__cdist_remote_out_object_dir:=$__cdist_remote_out_dir/$__cdist_name_object}
################################################################################
# Internal functions
#
@ -178,6 +185,16 @@ __cdist_init_deploy()
ln -sf "$__cdist_conf_dir" "$__cdist_local_base_dir/$__cdist_name_conf_dir"
}
__cdist_new_objects_created()
{
touch "$__cdist_tmp_dir/object_created"
}
__cdist_has_new_objects()
{
touch "$__cdist_tmp_dir/object_created"
}
################################################################################
# Object
#
@ -187,9 +204,9 @@ __cdist_object_code()
echo "$(__cdist_object_dir "$1")/${__cdist_name_code}"
}
__cdist_object_code_finished()
__cdist_object_finished()
{
echo "$(__cdist_object_dir "$1")/${__cdist_name_code_finished}"
echo "$(__cdist_object_dir "$1")/${__cdist_name_object_finished}"
}
__cdist_object_dir()
@ -321,6 +338,18 @@ __cdist_type_has_explorer()
fi
}
__cdist_type_explorer_pushed()
{
[ -f "${__cdist_out_type_dir}/${__cdist_name_type_explorer_pushed}" ] \
&& grep -q "$1" "${__cdist_out_type_dir}/${__cdist_name_type_explorer_pushed}"
}
__cdist_type_explorer_pushed_add()
{
[ -d "$__cdist_out_type_dir" ] || mkdir "$__cdist_out_type_dir"
echo "$1" >> "${__cdist_out_type_dir}/${__cdist_name_type_explorer_pushed}"
}
__cdist_type_gencode()
{
echo "${__cdist_type_dir}/$1/${__cdist_name_gencode}"

View file

@ -49,7 +49,6 @@ cdist-dir push "$__cdist_target_host" "${__cdist_abs_mydir}" "${__cdist_remote_b
cdist-explorer-run-global "$__cdist_target_host"
cdist-manifest-run-init "$__cdist_target_host"
cdist-manifest-run-all "$__cdist_target_host"
cdist-object-run-all "$__cdist_target_host"
cdist-cache "$__cdist_target_host"

View file

@ -1,77 +0,0 @@
#!/bin/sh
#
# 2010-2011 Nico Schottelius (nico-cdist at schottelius.org)
#
# This file is part of cdist.
#
# cdist is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# cdist is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with cdist. If not, see <http://www.gnu.org/licenses/>.
#
# Run all manifests
#
. cdist-config
[ $# -eq 1 ] || __cdist_usage "<target host>"
set -eu
__cdist_target_host="$1"; shift
__cdist_objects_list="${__cdist_tmp_dir}/objects_file"
__cdist_new_objects_list="${__cdist_tmp_dir}/new_objects_file"
# Loop until we do not create new objects anymore
# which is equal to all objects have been run
__cdist_new_objects_created=y
while [ "$__cdist_new_objects_created" = "y" ]; do
# Assume we're done after this run
__cdist_new_objects_created=n
__cdist_object_list "$__cdist_out_object_dir" > "$__cdist_objects_list"
# Check every object, if we need to run it
while read __cdist_object_self; do
# Full path to current object
__cdist_cur_object_dir="$(__cdist_object_dir "$__cdist_object_self")"
# Only the id
__cdist_object_id="$(__cdist_object_id_from_object "$__cdist_object_self")"
if [ ! -f "${__cdist_cur_object_dir}/$__cdist_name_object_finished" ]; then
echo "Checking manifest for ${__cdist_object_self} ..."
__cdist_type="$(__cdist_type_from_object "$__cdist_object_self")"
__cdist_manifest="$(__cdist_type_manifest "${__cdist_type}")"
if [ -f "$__cdist_manifest" ]; then
if [ -x "$__cdist_manifest" ]; then
# Make __cdist_manifest available for cdist-type-emulator
export __cdist_manifest
echo "Executing manifest ${__cdist_manifest} ..."
# Make variables available to non-core - FIXME: beatify
export $__cdist_name_var_object="$__cdist_cur_object_dir"
export $__cdist_name_var_object_id="$__cdist_object_id"
export $__cdist_name_var_type="$(__cdist_type_dir "$__cdist_type")"
cdist-manifest-run "$__cdist_target_host" "$__cdist_manifest"
__cdist_new_objects_created=y
else
__cdist_exit_err "${__cdist_manifest} needs to be executable."
fi
fi
fi
# done with this object
touch "$__cdist_cur_object_dir/$__cdist_name_object_finished"
done < "$__cdist_objects_list"
done

View file

@ -39,4 +39,3 @@ cdist-run-remote "$__cdist_target_host" \
"export __cdist_out_object_dir=\"$__cdist_remote_out_object_dir\";" \
"cdist-code-run" "$__cdist_object" "${__cdist_name_gencode_remote}" \
|| __cdist_exit_err "Remote code failed for $__cdist_object"

View file

@ -24,38 +24,45 @@
. cdist-config
[ $# -eq 2 ] || __cdist_usage "<target host> <object>"
set -eu
__cdist_target_host="$1"; shift
__object="$1"; shift
__cdist_object="$1"; shift
__object_id="$(__cdist_object_id_from_object "$__cdist_object")"
__cdist_type="$(__cdist_type_from_object "$__cdist_object")"
__object_id="$(__cdist_object_id_from_object "$__object")"
__cdist_type="$(__cdist_type_from_object "$__object")"
# Check if type of object has >= 1 explorer
has_explorer="$(__cdist_type_has_explorer "$__cdist_type")"
__cdist_has_explorer="$(__cdist_type_has_explorer "$__cdist_type")"
# Run the type explorers for the current object if any
if [ "$__cdist_has_explorer" ]; then
if ! __cdist_type_explorer_pushed "$__cdist_type"; then
src_dir="$(__cdist_type_explorer_dir "$__cdist_type")"
dst_dir="$(__cdist_remote_type_explorer_dir "$__cdist_type")"
echo "Transfering explorers for $__cdist_type ..."
cdist-dir push "$__cdist_target_host" "$src_dir" "$dst_dir"
__cdist_type_explorer_pushed_add "$__cdist_type"
fi
# If so, run explorers on remote side
if [ "$has_explorer" ]; then
echo "Running explorers for $__object ..."
echo "Running explorers for $__cdist_object ..."
# Copy object parameters
cdist-dir push "$__cdist_target_host" \
"$(__cdist_object_parameter_dir "$__object")" \
"$(__cdist_remote_object_parameter_dir "$__object")"
"$(__cdist_object_parameter_dir "$__cdist_object")" \
"$(__cdist_remote_object_parameter_dir "$__cdist_object")"
# Execute explorers
cdist-run-remote "$__cdist_target_host" \
"__object=\"$(__cdist_remote_object_dir "$__object")\"" \
"__object_id=\"$__object_id\"" \
"$__cdist_name_var_object=\"$(__cdist_remote_object_dir "$__cdist_object")\"" \
"$__cdist_name_var_object_id=\"$__object_id\"" \
"$__cdist_name_var_self=\"$__cdist_object\"" \
cdist-remote-explorer-run \
"$__cdist_name_var_type_explorer" \
"$(__cdist_remote_type_explorer_dir "$__cdist_type")" \
"$(__cdist_remote_object_type_explorer_dir "$__object")"
"$(__cdist_remote_object_type_explorer_dir "$__cdist_object")"
# Copy back results
cdist-dir pull "$__cdist_target_host" \
"$(__cdist_remote_object_type_explorer_dir "$__object")" \
"$(__cdist_object_type_explorer_dir "$__object")"
"$(__cdist_remote_object_type_explorer_dir "$__cdist_object")" \
"$(__cdist_object_type_explorer_dir "$__cdist_object")"
fi

View file

@ -41,4 +41,3 @@ cdist-object-gencode "$__cdist_target_host" "$__cdist_object" \
"${__cdist_name_gencode_remote}" > "${code_remote}"
chmod u+x "${code_local}" "${code_remote}"

60
bin/cdist-object-manifest-run Executable file
View file

@ -0,0 +1,60 @@
#!/bin/sh
#
# 2010 Nico Schottelius (nico-cdist at schottelius.org)
# 2011 Steven Armstrong (steven-cdist at armstrong.cc)
#
# This file is part of cdist.
#
# cdist is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# cdist is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with cdist. If not, see <http://www.gnu.org/licenses/>.
#
#
# Run the manifest for the given object.
#
. cdist-config
[ $# -eq 2 ] || __cdist_usage "<target host> <object>"
set -eu
__cdist_target_host="$1"; shift
__cdist_object="$1"; shift
# Full path to current object
__cdist_cur_object_dir="$(__cdist_object_dir "$__cdist_object")"
# Only the id
__cdist_object_id="$(__cdist_object_id_from_object "$__cdist_object")"
echo "Checking manifest for $__cdist_object ..."
__cdist_type="$(__cdist_type_from_object "$__cdist_object")"
__cdist_manifest="$(__cdist_type_manifest "$__cdist_type")"
if [ -f "$__cdist_manifest" ]; then
if [ -x "$__cdist_manifest" ]; then
# Make __cdist_manifest available for cdist-type-emulator
export __cdist_manifest
echo "Executing manifest ${__cdist_manifest} ..."
# Make variables available to non-core - FIXME: beatify
export $__cdist_name_var_object="$__cdist_cur_object_dir"
export $__cdist_name_var_object_id="$__cdist_object_id"
export $__cdist_name_var_type="$(__cdist_type_dir "$__cdist_type")"
cdist-manifest-run "$__cdist_target_host" "$__cdist_manifest"
# Tell cdist-object-run-all that there may be new objects
touch "$__cdist_objects_created"
else
__cdist_exit_err "${__cdist_manifest} needs to be executable."
fi
fi

View file

@ -29,9 +29,7 @@ set -eu
__cdist_target_host="$1"; shift
__cdist_object="$1"; shift
echo "Transferring object $__cdist_object to target host ..."
echo "Transferring object $__cdist_object to $__cdist_target_host ..."
cdist-dir push "$__cdist_target_host" \
"$(__cdist_object_dir "$__cdist_object")" \
"$(__cdist_remote_object_dir "$__cdist_object")"

View file

@ -21,6 +21,7 @@
#
# For the given object:
# - run type explorers
# - run type manifest
# - generate code
# - copy object to target
# - execute code on target
@ -32,24 +33,38 @@ set -eu
__cdist_target_host="$1"; shift
__cdist_object="$1"; shift
# Export to non-core for use in manifest and gencode scripts
export $__cdist_name_var_self=$__cdist_object
__cdist_type="$(__cdist_type_from_object "$__cdist_object")"
# Check if type of object has >= 1 explorer
__cdist_has_explorer="$(__cdist_type_has_explorer "$__cdist_type")"
__cdist_object_finished="$(__cdist_object_finished "$__cdist_object")"
if [ ! -f "$__cdist_object_finished" ]; then
# Run the type explorers for the current object if any
if [ "$__cdist_has_explorer" ]; then
cdist-object-explorer-run "$__cdist_target_host" "$__cdist_object"
# Resolve dependencies if any
__cdist_object_require="$(__cdist_object_require "$__cdist_object")"
if [ -f "$__cdist_object_require" ]; then
echo
# NEED TO CREATE ARRAY, SSH DESTROYS WHILE READ LOOP
while read __cdist_requirement; do
set -- "$@" "$__cdist_requirement"
done < "$__cdist_object_require"
while [ $# -gt 0 ]; do
__cdist_requirement="$1"; shift
echo "Resolving dependency $__cdist_requirement for $__cdist_object ..."
cdist-object-run "$__cdist_target_host" "$__cdist_requirement"
done
fi
# Run the gencode scripts for the current object
echo
echo "Running object $__cdist_object"
cdist-object-explorer-run "$__cdist_target_host" "$__cdist_object"
cdist-object-manifest-run "$__cdist_target_host" "$__cdist_object"
cdist-object-gencode-run "$__cdist_target_host" "$__cdist_object"
# Transfer the current object to the target
cdist-object-push "$__cdist_target_host" "$__cdist_object"
# Run the code for the current object
cdist-object-code-run "$__cdist_target_host" "$__cdist_object"
# Mark this object as done
touch "$__cdist_object_finished"
fi

View file

@ -29,14 +29,17 @@ set -eu
__cdist_target_host="$1"; shift
__cdist_objects="$__cdist_tmp_dir/objects"
__cdist_types_pushed="$__cdist_tmp_dir/types_pushed"
touch "$__cdist_types_pushed"
# Loop until we do not create new objects anymore
# which is equal to all objects have been run
touch "$__cdist_objects_created"
while [ -f "$__cdist_objects_created" ]; do
# Assume we're done after this run
rm "$__cdist_objects_created"
# Get listing of objects
__cdist_object_list "$__cdist_out_object_dir" > "$__cdist_objects"
# NEED TO CREATE ARRAY, SSH DESTROYS WHILE READ LOOP
while read __cdist_object; do
set -- "$@" "$__cdist_object"
@ -44,22 +47,7 @@ done < "$__cdist_objects"
while [ $# -gt 0 ]; do
__cdist_object="$1"; shift
__cdist_type="$(__cdist_type_from_object "$__cdist_object")"
# Check if type of object has >= 1 explorer
__cdist_has_explorer="$(__cdist_type_has_explorer "$__cdist_type")"
# Transfer the type explorers if any
if [ "$__cdist_has_explorer" ]; then
if ! grep -q "$__cdist_type" "$__cdist_types_pushed"; then
cdist-type-explorer-push "$__cdist_target_host" "$__cdist_type"
echo "$__cdist_type" >> "$__cdist_types_pushed"
fi
fi
# Process the given object
# Process the object
cdist-object-run "$__cdist_target_host" "$__cdist_object"
done
done

View file

@ -25,9 +25,7 @@
#
. cdist-config
if [ $# -ne 3 ]; then
__cdist_usage "<variable name> <explorer dir> <out dir>"
fi
[ $# -eq 3 ] || __cdist_usage "<variable name> <explorer dir> <out dir>"
set -ue
# Variable that defines the home of the explorers

View file

@ -1,40 +0,0 @@
#!/bin/sh
#
# 2010-2011 Nico Schottelius (nico-cdist at schottelius.org)
# 2011 Steven Armstrong (steven-cdist at armstrong.cc)
#
# This file is part of cdist.
#
# cdist is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# cdist is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with cdist. If not, see <http://www.gnu.org/licenses/>.
#
#
# Push the given types explorers to the target host
#
. cdist-config
[ $# -eq 2 ] || __cdist_usage "<target host> <type>"
set -eu
__cdist_target_host="$1"; shift
__cdist_type="$1"; shift
src_dir="$(__cdist_type_explorer_dir "$__cdist_type")"
dst_dir="$(__cdist_remote_type_explorer_dir "$__cdist_type")"
if [ -d "$src_dir" ]; then
echo "Transfering explorers for $__cdist_type ..."
cdist-dir push "$__cdist_target_host" "$src_dir" "$dst_dir"
fi

View file

@ -51,8 +51,8 @@ case "$1" in
manbuild)
for src in ${MAN1DSTDIR}/*.text ${MAN7DSTDIR}/*.text; do
echo "Compiling manpage and html for $src"
$A2XM "$src" &
$A2XH "$src" &
$A2XM "$src"
$A2XH "$src"
done
wait
;;
@ -70,12 +70,11 @@ case "$1" in
;;
man1)
for man in cdist-code-run.text cdist-code-run-all.text cdist-config.text \
for man in cdist-code-run.text cdist-config.text \
cdist-dir.text cdist-env.text cdist-explorer-run-global.text \
cdist-deploy-to.text cdist-explorer.text cdist-manifest.text \
cdist-manifest-run.text cdist-manifest-run-init.text \
cdist-manifest-run-all.text cdist-object-explorer-all.text \
cdist-object-gencode.text cdist-object-gencode-all.text \
cdist-object-gencode.text \
cdist-remote-explorer-run.text cdist-run-remote.text \
cdist-type-build-emulation.text cdist-type-emulator.text \
cdist-type-template.text

View file

@ -6,7 +6,6 @@ Feel free to pick one!
CORE
----
- Only build manpages if necessary for types as well as for the core!
- support $__self = relative_type/object_id
TYPES
------

View file

@ -1,3 +1,5 @@
/ prefix all internal variables with __cdist! -> Nico
Cache:
- add example how to use
- export variable $__cache

View file

@ -0,0 +1,5 @@
- align messages (already in todo for steven, but makes life much easier, thus repeated)
-> prefix all object stuff with $__self
-> __cdist_echo object string
-> $__cdist_object_self :-)

View file

@ -1,32 +0,0 @@
cdist-manifest-run-all(1)
==========================
Nico Schottelius <nico-cdist--@--schottelius.org>
NAME
----
cdist-manifest-run-all - Run manifests of all created types
SYNOPSIS
--------
cdist-manifest-run-all HOSTNAME
DESCRIPTION
-----------
cdist-manifest-run-all iterates over every existing object and
executes the manifest of its type.
SEE ALSO
--------
- cdist(7)
- cdist-deploy-to(1)
- cdist-manifest-run-init(1)
COPYING
-------
Copyright \(C) 2011 Nico Schottelius. Free use of this software is
granted under the terms of the GNU General Public License version 3 (GPLv3).

View file

@ -1,29 +1,29 @@
cdist-type-explorer-push(1)
===========================
cdist-object-manifest-run(1)
============================
Nico Schottelius <nico-cdist--@--schottelius.org>
Steven Armstrong <steven-dist--@--armstrong.cc>
NAME
----
cdist-type-explorer-push - Transfer type explorers to the target host
cdist-object-manifest-run - Run an objects manifest
SYNOPSIS
--------
cdist-type-explorer-push HOSTNAME TYPE
cdist-object-manifest-run HOSTNAME OBJECT
DESCRIPTION
-----------
Transfers the explorers of the given type to the target host.
Run the manifest for the given object.
SEE ALSO
--------
- cdist(7)
- cdist-object-run(1)
- cdist-type(1)
- cdist-deploy-to(1)
- cdist-manifest-run(1)
COPYING

View file

@ -1,6 +1,7 @@
cdist-stages(7)
===============
Nico Schottelius <nico-cdist--@--schottelius.org>
Steven Armstrong <steven-dist--@--armstrong.cc>
NAME
@ -12,8 +13,8 @@ DESCRIPTION
-----------
Starting the execution of deployment with cdist-deploy-to(1), cdist passes
through different stages, each can be triggered and debugged on its own.
Reading the source of the cdist-deploy-to executable shous the scripts
responsible for each stage.
Reading the source of the cdist-deploy-to and cdist-object-run-all executables
shows the scripts responsible for each stage.
STAGE 0: INTERNAL PREPERATION
@ -22,8 +23,8 @@ Before running the user facing stages, cdist prepares the target host
to contain cdist binaries and creates a clean environment for the
configuration run.
Related manpages:
- cdist-bin-transfer(1)
Related documentation:
- Source of cdist-deploy-to
STAGE 1: TARGET INFORMATION RETRIEVAL
@ -33,7 +34,9 @@ explorers. Every existing explorer is run on the target and the output of all
explorers are copied back into the local cache. The results can be used by
manifests and types.
Related manpages:
Related documentation:
- cdist-explorer-run-global(1)
- cdist-remote-explorer-run(1)
- cdist-explorer(7)
@ -45,14 +48,28 @@ the objects as defined in the manifest for the specific host. In this stage,
no conflicts may occur, i.e. no object of the same type with the same id may
be created.
Related manpages:
- cdist-manifest(7)
- cdist-manifest-run(1)
Related documentation:
- cdist-manifest-run-init(1)
- cdist-manifest-run(1)
- cdist-manifest(7)
STAGE 3: EXECUTION OF TYPES
---------------------------
STAGE 3: OBJECT INFORMATION RETRIEVAL
-------------------------------------
Every object is checked whether its type has explorers and if so, these are
transfered to the target host and executed. The results are transfered back
and can be used in the following stages to decide what changes need to made
on the target to implement the desired state.
Related documentation:
- cdist-object-explorer-run(1)
- cdist-remote-explorer-run(1)
- cdist-type(7)
- cdist-explorer(7)
STAGE 4: RUN THE OBJECT MANIFEST
--------------------------------
Every object is checked whether its type has a manifest file. If the type has
a manifest file and it is executable, it will be executed. The manifest script
may generate and change the created objects. In other words, one type can reuse
@ -65,13 +82,13 @@ The newly created objects are merged back into the existing tree. No conflicts
may occur during the merge. A conflict would mean that two different objects
try to create the same object, which indicates a broken configuration.
Related manpages:
Related documentation:
- cdist-object-manifest-run(1)
- cdist-manifest-run(1)
- cdist-manifest-run-all(1)
- cdist-type(7)
STAGE 4: CODE GENERATION
STAGE 5: CODE GENERATION
------------------------
In this stage for every created objects its type is checked whether it has a
gencode script. If the type has a gencode script and it is executable it will
@ -79,20 +96,28 @@ be executed. This executable should create code to be executed on the target
on stdout. If the gencode executable fails, it must print diagnostic messages
on stderr and exit non-zero.
Related manpages:
- cdist-gencode(1)
- cdist-gencode-all(1)
Related documentation:
- cdist-object-gencode-run(1)
- cdist-object-gencode(1)
- cdist-type(7)
STAGE 5: CODE EXECUTION
STAGE 6: CODE EXECUTION
-----------------------
The resulting code from the previous stage is transferred to the target host
and executed there to apply the configuration changes,
For every object the resulting code from the previous stage is transferred to
the target host and executed there to apply the configuration changes.
Related manpages:
- cdist-exec-run(1)
- cdist-exec-transfer(1)
Related documentation:
- cdist-object-code-run(1)
- cdist-code-run(1)
STAGE 7: CACHE
--------------
The cache stores the information from the current run for later use.
Related documentation:
- cdist-cache(1)
SUMMARY
@ -112,5 +137,5 @@ SEE ALSO
COPYING
-------
Copyright \(C) 2010-2011 Nico Schottelius. Free use of this software is
Copyright \(C) 2010-2011 Nico Schottelius, Steven Armstrong. Free use of this software is
granted under the terms of the GNU General Public License version 3 (GPLv3).