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pgconfig: synchronize resources upon CatalogInfo object changes
`PgsqlGeoSeverLoader` didn't add `CatalogListener`s that would replace the datadirectory-approach based `GeoServerResourcePersister` and `GeoServerConfigPersister`, hence style side-car files like sld's wouldn't be moved when a style changes workspace or removed when a style is removed.
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56 changes: 0 additions & 56 deletions
56
...r/cloud/config/catalog/backend/datadirectory/CatalogPluginGeoServerResourcePersister.java
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190 changes: 190 additions & 0 deletions
190
...rg/geoserver/cloud/config/catalog/backend/pgconfig/PgsqlCatalogResourcesSynchronizer.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,190 @@ | ||
| package org.geoserver.cloud.config.catalog.backend.pgconfig; | ||
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| import lombok.extern.slf4j.Slf4j; | ||
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| import org.geoserver.catalog.CatalogException; | ||
| import org.geoserver.catalog.FeatureTypeInfo; | ||
| import org.geoserver.catalog.LayerGroupInfo; | ||
| import org.geoserver.catalog.LayerInfo; | ||
| import org.geoserver.catalog.NamespaceInfo; | ||
| import org.geoserver.catalog.ResourceInfo; | ||
| import org.geoserver.catalog.StoreInfo; | ||
| import org.geoserver.catalog.WorkspaceInfo; | ||
| import org.geoserver.catalog.event.CatalogAddEvent; | ||
| import org.geoserver.catalog.event.CatalogListener; | ||
| import org.geoserver.catalog.event.CatalogModifyEvent; | ||
| import org.geoserver.catalog.event.CatalogPostModifyEvent; | ||
| import org.geoserver.catalog.event.CatalogRemoveEvent; | ||
| import org.geoserver.catalog.plugin.CatalogPluginStyleResourcePersister; | ||
| import org.geoserver.config.GeoServerConfigPersister; | ||
| import org.geoserver.config.GeoServerDataDirectory; | ||
| import org.geoserver.platform.ExtensionPriority; | ||
| import org.geoserver.platform.GeoServerResourceLoader; | ||
| import org.geoserver.platform.resource.Resource; | ||
| import org.geoserver.platform.resource.Resource.Type; | ||
| import org.geoserver.platform.resource.ResourceStore; | ||
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| /** | ||
| * A {@link GeoServerConfigPersister} alike {@link CatalogListener} to synchronize {@link | ||
| * ResourceStore} resources related to catalog changes. | ||
| */ | ||
| @Slf4j(topic = "org.geoserver.cloud.config.catalog.backend.pgconfig") | ||
| public class PgsqlCatalogResourcesSynchronizer implements CatalogListener, ExtensionPriority { | ||
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| private GeoServerResourceLoader rl; | ||
| private GeoServerDataDirectory dd; | ||
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| public PgsqlCatalogResourcesSynchronizer(GeoServerResourceLoader rl) { | ||
| this.rl = rl; | ||
| this.dd = new GeoServerDataDirectory(rl); | ||
| } | ||
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| @Override | ||
| public int getPriority() { | ||
| return ExtensionPriority.HIGHEST; | ||
| } | ||
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| @Override | ||
| public void reloaded() { | ||
| // no-op | ||
| } | ||
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|
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| /** | ||
| * No-op, {@link GeoServerConfigPersister} would persist the xml files here, pgconfig doesn't do | ||
| * that | ||
| */ | ||
| @Override | ||
| public void handleAddEvent(CatalogAddEvent event) { | ||
| // no-op | ||
| } | ||
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|
||
| /** | ||
| * No-op, {@link GeoServerConfigPersister} would persist the xml files here, pgconfig doesn't do | ||
| * that. | ||
| */ | ||
| @Override | ||
| public void handlePostModifyEvent(CatalogPostModifyEvent event) { | ||
| // no-op | ||
| } | ||
|
|
||
| /** | ||
| * @throws CatalogException | ||
| */ | ||
| @Override | ||
| public void handleRemoveEvent(CatalogRemoveEvent event) { | ||
| final Object source = event.getSource(); | ||
| if (source instanceof WorkspaceInfo ws) { | ||
| log.debug("Removing workspace {}", ws.getName()); | ||
| rmRes(dd.get(ws)); | ||
| } else if (source instanceof NamespaceInfo ns) { | ||
| // do not remove the directory, only when removing the workspace | ||
| } else if (source instanceof StoreInfo store) { | ||
| log.debug("Removing datastore {}", store.getName()); | ||
| rmRes(dd.get(store)); | ||
| } else if (source instanceof ResourceInfo r) { | ||
| log.debug("Removing ResourceInfo {}", r.getName()); | ||
| rmRes(dd.get(r)); | ||
| } else if (source instanceof LayerInfo l) { | ||
| log.debug("Removing layer {}", l.getName()); | ||
| rmRes(dd.get(l)); | ||
| } else if (source instanceof LayerGroupInfo lg) { | ||
| log.debug("Removing layer group " + lg.getName()); | ||
| Resource directory = dd.get(lg); | ||
| boolean exists = directory.getType() == Type.DIRECTORY; | ||
| if (exists && directory.list().isEmpty()) { | ||
| rmRes(directory); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * @throws CatalogException | ||
| */ | ||
| @Override | ||
| public void handleModifyEvent(CatalogModifyEvent event) { | ||
| event = CatalogPluginStyleResourcePersister.withRealSource(event); | ||
| final Object source = event.getSource(); | ||
| // here we handle name changes | ||
| handleRenames(event); | ||
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| // handle the case of a store changing workspace | ||
| if (source instanceof StoreInfo s) { | ||
| handleWorkspaceChange(event, s); | ||
| } else if (source instanceof FeatureTypeInfo ft) { | ||
| handleStoreChange(event, ft); | ||
| } | ||
| } | ||
|
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| private void handleWorkspaceChange(CatalogModifyEvent event, StoreInfo s) { | ||
| final int i = event.getPropertyNames().indexOf("workspace"); | ||
| if (i > -1) { | ||
| WorkspaceInfo newWorkspace = (WorkspaceInfo) event.getNewValues().get(i); | ||
| Resource oldDir = dd.get(s); | ||
| moveResToDir(oldDir, dd.get(newWorkspace)); | ||
| } | ||
| } | ||
|
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| private void handleStoreChange(CatalogModifyEvent event, ResourceInfo resourceInfo) { | ||
| final int i = event.getPropertyNames().indexOf("store"); | ||
| if (i > -1) { | ||
| StoreInfo newStore = (StoreInfo) event.getNewValues().get(i); | ||
| Resource oldDir = dd.get(resourceInfo); | ||
| Resource newDir = dd.get(newStore); | ||
| moveResToDir(oldDir, newDir); | ||
| } | ||
| } | ||
|
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| private void handleRenames(CatalogModifyEvent event) { | ||
| final int i = event.getPropertyNames().indexOf("name"); | ||
| if (i > -1) { | ||
| String newName = (String) event.getNewValues().get(i); | ||
| var source = event.getSource(); | ||
| if (source instanceof WorkspaceInfo ws) { | ||
| renameWorkspace(ws, newName); | ||
| } else if (source instanceof StoreInfo s) { | ||
| renameStore(s, newName); | ||
| } else if (source instanceof ResourceInfo r) { | ||
| renameResource(r, newName); | ||
| } | ||
| } | ||
| } | ||
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| private void renameWorkspace(WorkspaceInfo ws, String newName) { | ||
| log.debug("Renaming workspace {} to {}", ws.getName(), newName); | ||
| renameRes(dd.get(ws), newName); | ||
| } | ||
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| private void renameStore(StoreInfo s, String newName) { | ||
| log.debug("Renaming store {} to {}", s.getName(), newName); | ||
| renameRes(dd.get(s), newName); | ||
| } | ||
|
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| private void renameResource(ResourceInfo r, String newName) { | ||
| log.debug("Renaming resource {} to {}", r.getName(), newName); | ||
| renameRes(dd.get(r), newName); | ||
| } | ||
|
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| private void rmRes(Resource r) { | ||
| try { | ||
| rl.remove(r.path()); | ||
| } catch (Exception e) { | ||
| throw new CatalogException(e); | ||
| } | ||
| } | ||
|
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| private void renameRes(Resource r, String newName) { | ||
| try { | ||
| rl.move(r.path(), r.parent().get(newName).path()); | ||
| } catch (Exception e) { | ||
| throw new CatalogException(e); | ||
| } | ||
| } | ||
|
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| private void moveResToDir(Resource r, Resource newDir) { | ||
| try { | ||
| rl.move(r.path(), newDir.get(r.name()).path()); | ||
| } catch (Exception e) { | ||
| throw new CatalogException(e); | ||
| } | ||
| } | ||
| } |
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