update stages man page to reflect new situation
Signed-off-by: Steven Armstrong <steven@icarus.ethz.ch>
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@ -1,6 +1,7 @@
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cdist-stages(7)
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===============
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Nico Schottelius <nico-cdist--@--schottelius.org>
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Steven Armstrong <steven-dist--@--armstrong.cc>
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NAME
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@ -12,8 +13,8 @@ DESCRIPTION
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-----------
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Starting the execution of deployment with cdist-deploy-to(1), cdist passes
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through different stages, each can be triggered and debugged on its own.
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Reading the source of the cdist-deploy-to executable shous the scripts
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responsible for each stage.
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Reading the source of the cdist-deploy-to and cdist-object-run-all executables
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shows the scripts responsible for each stage.
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STAGE 0: INTERNAL PREPERATION
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@ -23,7 +24,7 @@ to contain cdist binaries and creates a clean environment for the
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configuration run.
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Related manpages:
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- cdist-bin-transfer(1)
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- cdist-bin-transfer(1) FIXME: does not exist
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STAGE 1: TARGET INFORMATION RETRIEVAL
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@ -34,6 +35,8 @@ explorers are copied back into the local cache. The results can be used by
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manifests and types.
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Related manpages:
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- cdist-explorer-run-global(1)
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- cdist-remote-explorer-run(1)
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- cdist-explorer(7)
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@ -46,16 +49,27 @@ no conflicts may occur, i.e. no object of the same type with the same id may
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be created.
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Related manpages:
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- cdist-manifest(7)
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- cdist-manifest-run(1)
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- cdist-manifest-run-init(1)
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- cdist-manifest-run(1)
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- cdist-manifest(7)
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STAGE 3: EXECUTION OF OBJECTS
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-----------------------------
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Each object in the cconfig database is run through the following stages:
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-
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STAGE 3: OBJECT INFORMATION RETRIEVAL
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-------------------------------------
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Every object is checked whether its type has explorers and if so, these are
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transfered to the target host and executed. The results are transfered back
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and can be used in the following stages to decide what changes need to made
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on the target to implement the desired state.
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Related manpages:
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- cdist-object-explorer-run(1)
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- cdist-remote-explorer-run(1)
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- cdist-type(7)
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- cdist-explorer(7)
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STAGE 4: RUN THE OBJECT MANIFEST
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--------------------------------
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Every object is checked whether its type has a manifest file. If the type has
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a manifest file and it is executable, it will be executed. The manifest script
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may generate and change the created objects. In other words, one type can reuse
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@ -69,12 +83,12 @@ may occur during the merge. A conflict would mean that two different objects
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try to create the same object, which indicates a broken configuration.
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Related manpages:
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- cdist-object-manifest-run(1)
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- cdist-manifest-run(1)
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- cdist-manifest-run-all(1)
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- cdist-type(7)
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STAGE 4: CODE GENERATION
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STAGE 5: CODE GENERATION
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------------------------
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In this stage for every created objects its type is checked whether it has a
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gencode script. If the type has a gencode script and it is executable it will
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@ -83,19 +97,27 @@ on stdout. If the gencode executable fails, it must print diagnostic messages
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on stderr and exit non-zero.
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Related manpages:
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- cdist-gencode(1)
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- cdist-gencode-all(1)
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- cdist-object-gencode-run(1)
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- cdist-object-gencode(1)
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- cdist-type(7)
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STAGE 5: CODE EXECUTION
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STAGE 6: CODE EXECUTION
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-----------------------
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The resulting code from the previous stage is transferred to the target host
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and executed there to apply the configuration changes,
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For every object the resulting code from the previous stage is transferred to
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the target host and executed there to apply the configuration changes.
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Related manpages:
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- cdist-exec-run(1)
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- cdist-exec-transfer(1)
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- cdist-object-code-run(1)
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- cdist-code-run(1)
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STAGE 7: CACHE
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--------------
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The cache stores the information from the current run for later use.
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Related manpages:
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- cdist-cache(1)
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SUMMARY
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@ -115,5 +137,5 @@ SEE ALSO
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COPYING
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-------
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Copyright \(C) 2010-2011 Nico Schottelius. Free use of this software is
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Copyright \(C) 2010-2011 Nico Schottelius, Steven Armstrong. Free use of this software is
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granted under the terms of the GNU General Public License version 3 (GPLv3).
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