finish cdist-stages.text
Signed-off-by: Nico Schottelius <nico@kr.ethz.ch>
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1 changed files with 34 additions and 13 deletions
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@ -16,14 +16,25 @@ Reading the source of the cdist-deploy-to executable shous the scripts
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responsible for each stage.
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STAGE 0: INTERNAL PREPERATION
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-----------------------------
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Before running the user facing stages, cdist prepares the target host
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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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STAGE 1: TARGET INFORMATION RETRIEVAL
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--------------------------------------
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In this stage information is collected about target using so called explorers.
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Every existing explorer is run on the target and the output of all explorers
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are copied back into the local cache. The results can be used by manifests and
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types.
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In this stage information is collected about the target host using so called
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explorers. Every existing explorer is run on the target and the output of all
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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 are cdist-explorers(7) and cdist-cache(7).
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Related manpages:
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- cdist-explorer(7)
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STAGE 2: RUN THE INITIAL MANIFEST
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@ -34,8 +45,11 @@ the objects as defined in the manifest for the specific host. In this stage,
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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 are cdist-manifest-init(1), cdist-manifests(7) and
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cdist-config-layout(7).
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Related manpages:
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- cdist-manifest-run(1)
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- cdist-manifest-run-init(1)
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- cdist-manifest(7)
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- cdist-config-layout(7)
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STAGE 3: EXECUTION OF TYPES
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@ -46,13 +60,16 @@ may generate and change the created objects. In other words, one type can reuse
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other types.
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For instance the object __apache/www.test.ch is of type __apache, which may
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contain an manifest script, which creates new objects of type __file.
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contain a manifest script, which creates new objects of type __file.
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The newly created objects are merged back into the existing tree. No conflicts
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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 manpage are cdist-types(7) and cdist-manifest-run-all(1).
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Related manpages:
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- cdist-type(7)
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- cdist-manifest-run(1)
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- cdist-manifest-run-all(1)
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STAGE 4: CODE GENERATION
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@ -63,8 +80,10 @@ be executed. This executable should create code to be executed on the target
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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 are cdist-types-gencode(7), cdist-gencode(1) and
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cdist-gencode-all(1).
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Related manpages:
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- cdist-types-gencode(7)
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- cdist-gencode(1)
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- cdist-gencode-all(1)
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STAGE 5: CODE EXECUTION
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@ -72,7 +91,9 @@ STAGE 5: CODE EXECUTION
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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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Related manpages are cdist-exec-transfer(1) and cdist-exec-run(1).
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Related manpages:
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- cdist-exec-transfer(1)
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- cdist-exec-run(1)
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SUMMARY
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@ -85,7 +106,7 @@ in correct order.
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SEE ALSO
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--------
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cdist(7), cdist-deploy-to(1), cdist-config-layout(7), cdist-manifest-init(1)
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cdist(7), cdist-deploy-to(1), cdist-config-layout(7)
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COPYING
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