Job for reindexing elastic indexes & move index aliases

pom.xml

@@ -19,7 +19,7 @@
     <properties>
         <sirius.kernel>12.4.1</sirius.kernel>
         <sirius.web>20.1.1</sirius.web>
-        <sirius.db>5.3.1</sirius.db>
+        <sirius.db>6.0</sirius.db>
     </properties>
 
     <dependencies>

src/main/java/sirius/biz/elastic/reindex/MoveIndexAliasJobFactory.java

@@ -0,0 +1,102 @@
+/*
+ * Made with all the love in the world
+ * by scireum in Remshalden, Germany
+ *
+ * Copyright by scireum GmbH
+ * http://www.scireum.de - info@scireum.de
+ */
+
+package sirius.biz.elastic.reindex;
+
+import sirius.biz.cluster.work.DistributedTaskExecutor;
+import sirius.biz.jobs.JobFactory;
+import sirius.biz.jobs.batch.BatchProcessJobFactory;
+import sirius.biz.jobs.batch.DefaultBatchProcessTaskExecutor;
+import sirius.biz.jobs.params.ElasticEntityDescriptorParameter;
+import sirius.biz.jobs.params.Parameter;
+import sirius.biz.jobs.params.StringParameter;
+import sirius.biz.process.ProcessContext;
+import sirius.db.es.Elastic;
+import sirius.db.mixing.EntityDescriptor;
+import sirius.kernel.di.std.Part;
+import sirius.kernel.di.std.Register;
+import sirius.kernel.health.Exceptions;
+import sirius.kernel.nls.NLS;
+
+import javax.annotation.Nonnull;
+import java.util.Map;
+import java.util.function.Consumer;
+
+/**
+ * Implements a job which moves the alias which marks an active index to a desired destination index.
+ */
+@Register(classes = JobFactory.class)
+public class MoveIndexAliasJobFactory extends BatchProcessJobFactory {
+    @Part
+    private Elastic elastic;
+
+    private ElasticEntityDescriptorParameter entityDescriptorParameter = null;
+    private StringParameter stringParameter = null;
+
+    @Override
+    protected String createProcessTitle(Map<String, String> context) {
+        return "MoveIndexAlias";
+    }
+
+    @Override
+    protected Class<? extends DistributedTaskExecutor> getExecutor() {
+        return DefaultBatchProcessTaskExecutor.class;
+    }
+
+    @Override
+    protected void executeTask(ProcessContext process) throws Exception {
+        String destination = process.getParameter(stringParameter)
+                                    .orElseThrow(() -> Exceptions.handle()
+                                                                 .withSystemErrorMessage("No destination index given!")
+                                                                 .handle());
+        EntityDescriptor ed = process.getParameter(entityDescriptorParameter)
+                                     .orElseThrow(() -> Exceptions.handle()
+                                                                  .withSystemErrorMessage(
+                                                                          "Can't resolve entity-descriptor.")
+                                                                  .handle());
+
+        process.log(elastic.getLowLevelClient().moveActiveAlias(ed, destination).toJSONString());
+    }
+
+    @Override
+    protected void collectParameters(Consumer<Parameter<?, ?>> parameterCollector) {
+        if (stringParameter == null) {
+            stringParameter = new StringParameter("destination", NLS.get("MoveIndexAliasJobFactory.destinationParameter"));
+            stringParameter.markRequired();
+        }
+
+        if (entityDescriptorParameter == null) {
+            entityDescriptorParameter = new ElasticEntityDescriptorParameter("ed", NLS.get("MoveIndexAliasJobFactory.descriptorParameter"));
+            entityDescriptorParameter.markRequired();
+        }
+
+        parameterCollector.accept(stringParameter);
+        parameterCollector.accept(entityDescriptorParameter);
+    }
+
+    @Override
+    protected boolean hasPresetFor(Object targetObject) {
+        return false;
+    }
+
+    @Override
+    protected void computePresetFor(Object targetObject, Map<String, Object> preset) {
+        // nothing to do yet
+    }
+
+    @Override
+    public String getCategory() {
+        return "MAINTENANCE";
+    }
+
+    @Nonnull
+    @Override
+    public String getName() {
+        return "move-index-alias";
+    }
+}

src/main/java/sirius/biz/elastic/reindex/ReindexJobFactory.java

@@ -0,0 +1,113 @@
+/*
+ * Made with all the love in the world
+ * by scireum in Remshalden, Germany
+ *
+ * Copyright by scireum GmbH
+ * http://www.scireum.de - info@scireum.de
+ */
+
+package sirius.biz.elastic.reindex;
+
+import sirius.biz.cluster.work.DistributedTaskExecutor;
+import sirius.biz.jobs.JobFactory;
+import sirius.biz.jobs.batch.BatchProcessJobFactory;
+import sirius.biz.jobs.batch.DefaultBatchProcessTaskExecutor;
+import sirius.biz.jobs.params.ElasticEntityDescriptorParameter;
+import sirius.biz.jobs.params.Parameter;
+import sirius.biz.process.ProcessContext;
+import sirius.db.es.Elastic;
+import sirius.db.es.IndexMappings;
+import sirius.db.mixing.EntityDescriptor;
+import sirius.kernel.di.std.Part;
+import sirius.kernel.di.std.Register;
+import sirius.kernel.health.Exceptions;
+import sirius.kernel.nls.NLS;
+
+import javax.annotation.Nonnull;
+import java.time.LocalDate;
+import java.util.Map;
+import java.util.function.Consumer;
+
+/**
+ * Implements a job which reindexes a given index in elastic.
+ */
+@Register(classes = JobFactory.class)
+public class ReindexJobFactory extends BatchProcessJobFactory {
+
+    @Part
+    private Elastic elastic;
+
+    @Part
+    private IndexMappings mappings;
+
+    private ElasticEntityDescriptorParameter entityDescriptorParameter = null;
+
+    @Override
+    protected String createProcessTitle(Map<String, String> context) {
+        return "Reindex";
+    }
+
+    @Override
+    protected Class<? extends DistributedTaskExecutor> getExecutor() {
+        return DefaultBatchProcessTaskExecutor.class;
+    }
+
+    @Override
+    protected void executeTask(ProcessContext process) throws Exception {
+        EntityDescriptor ed = process.getParameter(entityDescriptorParameter)
+                                     .orElseThrow(() -> Exceptions.handle()
+                                                                  .withSystemErrorMessage(
+                                                                          "Can't resolve entity-descriptor.")
+                                                                  .handle());
+
+        String nextIndex = determineNextIndexName(ed);
+        mappings.createMapping(ed, nextIndex);
+        process.log("Created index " + nextIndex);
+        process.log(elastic.getLowLevelClient().reindex(ed, nextIndex).toJSONString());
+    }
+
+    private String determineNextIndexName(EntityDescriptor ed) {
+        String nextIndexName = ed.getRelationName() + "-" + NLS.toMachineString(LocalDate.now());
+        int run = 0;
+
+        while (run++ < 10) {
+            if (!elastic.getLowLevelClient().indexExists(nextIndexName)) {
+                return nextIndexName;
+            }
+            nextIndexName = ed.getRelationName() + "-" + NLS.toMachineString(LocalDate.now()) + "-" + run;
+        }
+
+        throw Exceptions.handle().withSystemErrorMessage("Couldn't find a unique index name after 10 runs!").handle();
+    }
+
+    @Override
+    protected void collectParameters(Consumer<Parameter<?, ?>> parameterCollector) {
+        if (entityDescriptorParameter == null) {
+            entityDescriptorParameter = new ElasticEntityDescriptorParameter("ed", NLS.get("ReindexJobFactory.descriptorParameter"));
+            entityDescriptorParameter.markRequired();
+        }
+
+        parameterCollector.accept(entityDescriptorParameter);
+    }
+
+    @Override
+    protected boolean hasPresetFor(Object targetObject) {
+        return false;
+    }
+
+    @Override
+    protected void computePresetFor(Object targetObject, Map<String, Object> preset) {
+        // nothing to do yet
+    }
+
+    @Override
+    public String getCategory() {
+        return "MAINTENANCE";
+    }
+
+    @Nonnull
+    @Override
+    public String getName() {
+        return "reindex-index-mapping";
+    }
+}

src/main/java/sirius/biz/jobs/params/ElasticEntityDescriptorParameter.java

@@ -0,0 +1,39 @@
+/*
+ * Made with all the love in the world
+ * by scireum in Remshalden, Germany
+ *
+ * Copyright by scireum GmbH
+ * http://www.scireum.de - info@scireum.de
+ */
+
+package sirius.biz.jobs.params;
+
+import sirius.db.es.ElasticEntity;
+import sirius.db.mixing.EntityDescriptor;
+import sirius.db.mixing.Mixing;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+/**
+ * Provides a parameter which accepts {@link EntityDescriptor} which represent {@link ElasticEntity elastic entities}.
+ */
+public class ElasticEntityDescriptorParameter extends EntityDescriptorParameter {
+
+    public ElasticEntityDescriptorParameter(String name, String label) {
+        super(name, label);
+    }
+
+    /**
+     * Enumerates all {@link EntityDescriptor descriptors} which represent {@link ElasticEntity elastic entites} known to the system.
+     *
+     * @return the list of value defined by the enum type
+     */
+    public List<String> getValues() {
+        return mixing.getDesciptors()
+                     .stream()
+                     .filter(entityDescriptor -> ElasticEntity.class.isAssignableFrom(entityDescriptor.getType()))
+                     .map(entityDescriptor -> Mixing.getNameForType(entityDescriptor.getType()))
+                     .collect(Collectors.toList());
+    }
+}

src/main/java/sirius/biz/jobs/params/EntityDescriptorParameter.java

@@ -0,0 +1,72 @@
+/*
+ * Made with all the love in the world
+ * by scireum in Remshalden, Germany
+ *
+ * Copyright by scireum GmbH
+ * http://www.scireum.de - info@scireum.de
+ */
+
+package sirius.biz.jobs.params;
+
+import sirius.db.mixing.EntityDescriptor;
+import sirius.db.mixing.Mixing;
+import sirius.kernel.commons.Value;
+import sirius.kernel.di.std.Part;
+
+import java.util.List;
+import java.util.Optional;
+import java.util.stream.Collectors;
+
+/**
+ * Provides a parameter which accepts {@link EntityDescriptor}.
+ */
+public class EntityDescriptorParameter extends Parameter<EntityDescriptor, EntityDescriptorParameter> {
+
+    @Part
+    protected static Mixing mixing;
+
+    public EntityDescriptorParameter(String name, String label) {
+        super(name, label);
+    }
+
+    @Override
+    public String getTemplateName() {
+        return "/templates/jobs/params/entity-descriptors.html.pasta";
+    }
+
+    /**
+     * Enumerates all {@link EntityDescriptor descriptors} known to the system.
+     *
+     * @return the list of value defined by the enum type
+     */
+    public List<String> getValues() {
+        return mixing.getDesciptors()
+                     .stream()
+                     .map(entityDescriptor -> Mixing.getNameForType(entityDescriptor.getType()))
+                     .collect(Collectors.toList());
+    }
+
+    @Override
+    protected String checkAndTransformValue(Value input) {
+        if (input.isEmptyString()) {
+            return null;
+        }
+
+        EntityDescriptor ed = mixing.getDescriptor(input.getString());
+
+        if (ed == null) {
+            return null;
+        }
+
+        return input.getString();
+    }
+
+    @Override
+    protected Optional<EntityDescriptor> resolveFromString(Value input) {
+        if (input.isEmptyString()) {
+            return Optional.empty();
+        }
+        EntityDescriptor ed = mixing.getDescriptor(input.getString());
+        return Optional.ofNullable(ed);
+    }
+}

src/main/resources/biz_de.properties

@@ -185,6 +185,8 @@ Model.priority = Sortierung
 Model.security = Sicherheit
 Model.tenant = Mandant
 Model.userAccount = Anwender
+MoveIndexAliasJobFactory.descriptorParameter = Schema
+MoveIndexAliasJobFactory.destinationParameter = Zielindex
 Parameter.invalidValue = Fehler im Parameter ${name}: ${message}
 Parameter.required = Der Parameter ${name} muss gefüllt sein.
 PersonData.birthday = Geburtstag
@@ -237,6 +239,7 @@ ProcessState.TERMINATED = Beendet
 ProfileController.invalidOldPassword = Das alte Password ist inkorrekt.
 ProfileController.myProfile = Mein Profil
 ProfileController.userProfile = Anwenderprofil
+ReindexJobFactory.descriptorParameter = Schema
 Role.administrator = Administrator
 Role.administrator.description = Ermöglicht dem Anwender Systemeinstellungen abzuändern.
 Role.file-manager = Dateien verwalten

src/main/resources/default/templates/jobs/params/entity-descriptors.html.pasta

@@ -0,0 +1,14 @@
+<i:arg type="sirius.biz.jobs.params.EntityDescriptorParameter" name="param"/>
+<i:arg type="Map" name="context"/>
+
+<w:singleSelect span="@param.getSpan()"
+                smallSpan="@param.getSmallSpan()"
+                name="@param.getName()"
+                label="@param.getLabel()"
+                help="@param.getDescription()"
+                optional="@!param.isRequired()"
+                required="@param.isRequired()">
+    <i:for var="value" type="String" items="@param.getValues()">
+        <option value="@value" @selected="value == param.get(context).orElse(null)">@value</option>
+    </i:for>
+</w:singleSelect>