Github user ahgittin commented on a diff in the pull request:

    https://github.com/apache/incubator-brooklyn/pull/617#discussion_r30973465
  
    --- Diff: core/src/main/java/brooklyn/entity/rebind/RebindIteration.java ---
    @@ -341,38 +340,64 @@ protected void rebuildCatalog() {
                     }
                 }
             }
    +
    +        // See notes in CatalogInitialization
             
    -        // Register catalogue items with the management context. Loads the 
bundles in the OSGi framework.
    -        CatalogLoadMode catalogLoadMode = 
managementContext.getConfig().getConfig(BrooklynServerConfig.CATALOG_LOAD_MODE);
    +        Collection<CatalogItem<?, ?>> catalogItems = 
rebindContext.getCatalogItems();
    +        CatalogInitialization catInit = 
((ManagementContextInternal)managementContext).getCatalogInitialization();
    +        catInit.applyCatalogLoadMode();
    +        Collection<CatalogItem<?,?>> itemsForResettingCatalog = null;
    +        boolean needsInitialCatalog;
             if (rebindManager.persistCatalogItemsEnabled) {
    -            boolean shouldResetCatalog = catalogLoadMode == 
CatalogLoadMode.LOAD_PERSISTED_STATE
    -                    || (!isEmpty && catalogLoadMode == 
CatalogLoadMode.LOAD_BROOKLYN_CATALOG_URL_IF_NO_PERSISTED_STATE);
    -            boolean shouldLoadDefaultCatalog = catalogLoadMode == 
CatalogLoadMode.LOAD_BROOKLYN_CATALOG_URL
    -                    || (isEmpty && catalogLoadMode == 
CatalogLoadMode.LOAD_BROOKLYN_CATALOG_URL_IF_NO_PERSISTED_STATE);
    -            if (shouldResetCatalog) {
    -                // Reset catalog with previously persisted state
    -                logRebindingDebug("RebindManager resetting management 
context catalog to previously persisted state");
    -                
managementContext.getCatalog().reset(rebindContext.getCatalogItems());
    -            } else if (shouldLoadDefaultCatalog) {
    -                // Load catalogue as normal
    -                // TODO in read-only mode, should do this less frequently 
than entities etc
    -                logRebindingDebug("RebindManager loading default catalog");
    -                ((BasicBrooklynCatalog) 
managementContext.getCatalog()).resetCatalogToContentsAtConfiguredUrl();
    +            if (!catInit.hasRunOfficial() && 
catInit.isInitialResetRequested()) {
    --- End diff --
    
    i've set it up so we distinguish between `unofficial` initialization, 
`official final` initialization, and `official transient` initialization.  that 
last is done if we run rebind but aren't master, and it allows subsequent runs 
also to apply initialization.  if we are master (or are a non-persisting launch 
sequence) then we set `official final` and subsequent re-initialization does 
*not* apply of the parameters.
    
    added quite a bit more doc around it as well.  unfortunate it is so complex 
but i'm not sure of a way around it, unless we distinguished things you could 
do on first run from on subsequent run.
    
    (the edge cases are very edge, as most CLI uses should be when there is no 
brooklyn running; but i think we do now handle them nicely.)


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