feat(eventtemplates): add Preset event templates type and Quarkus-specific preset

pom.xml

@@ -271,6 +271,10 @@
       <groupId>io.quarkus</groupId>
       <artifactId>quarkus-flyway</artifactId>
     </dependency>
+    <dependency>
+      <groupId>io.quarkus</groupId>
+      <artifactId>quarkus-jfr</artifactId>
+    </dependency>
     <dependency>
       <groupId>io.quarkus</groupId>
       <artifactId>quarkus-junit5</artifactId>

schema/openapi.yaml

@@ -610,6 +610,7 @@ components:
       enum:
         - TARGET
         - CUSTOM
+        - PRESET
       type: string
     UUID:
       format: uuid
@@ -1140,7 +1141,9 @@ paths:
           content:
             application/json:
               schema:
-                $ref: '#/components/schemas/Template'
+                items:
+                  $ref: '#/components/schemas/Template'
+                type: array
           description: OK
         "401":
           description: Not Authorized
@@ -1193,6 +1196,59 @@ paths:
         - SecurityScheme: []
       tags:
         - Event Templates
+  /api/v4/event_templates/{templateType}:
+    get:
+      parameters:
+        - in: path
+          name: templateType
+          required: true
+          schema:
+            type: string
+      responses:
+        "200":
+          content:
+            application/json:
+              schema:
+                items:
+                  $ref: '#/components/schemas/Template'
+                type: array
+          description: OK
+        "401":
+          description: Not Authorized
+        "403":
+          description: Not Allowed
+      security:
+        - SecurityScheme: []
+      tags:
+        - Event Templates
+  /api/v4/event_templates/{templateType}/{templateName}:
+    get:
+      parameters:
+        - in: path
+          name: templateName
+          required: true
+          schema:
+            type: string
+        - in: path
+          name: templateType
+          required: true
+          schema:
+            type: string
+      responses:
+        "200":
+          content:
+            application/xml:
+              schema:
+                type: string
+          description: OK
+        "401":
+          description: Not Authorized
+        "403":
+          description: Not Allowed
+      security:
+        - SecurityScheme: []
+      tags:
+        - Event Templates
   /api/v4/grafana/{encodedKey}:
     post:
       parameters:

src/main/docker/Dockerfile.jvm

@@ -92,6 +92,7 @@ ENTRYPOINT [ "/deployments/app/entrypoint.bash", "/opt/jboss/container/java/run/
 
 # We make distinct layers so if there are application changes the library layers can be re-used
 COPY --chown=185 src/main/docker/include/cryostat.jfc /usr/lib/jvm/jre/lib/jfr/
+COPY --chown=185 src/main/docker/include/template_presets/* /opt/cryostat.d/presets.d/
 COPY --chown=185 src/main/docker/include/genpass.bash /deployments/app/
 COPY --chown=185 src/main/docker/include/entrypoint.bash /deployments/app/
 COPY --chown=185 src/main/docker/include/truststore-setup.bash /deployments/app/

src/main/docker/include/template_presets/quarkus.jfc

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<configuration version="2.0" label="Quarkus" description="Quarkus-specific REST events" provider="Cryostat">
+    <event name="quarkus.Rest">
+      <setting name="enabled">true</setting>
+    </event>
+    <event name="quarkus.RestStart">
+      <setting name="enabled">true</setting>
+    </event>
+    <event name="quarkus.RestEnd">
+      <setting name="enabled">true</setting>
+    </event>
+</configuration>

src/main/java/io/cryostat/ConfigProperties.java

@@ -54,7 +54,8 @@ public class ConfigProperties {
             "storage.transient-archives.enabled";
     public static final String STORAGE_TRANSIENT_ARCHIVES_TTL = "storage.transient-archives.ttl";
 
-    public static final String TEMPLATES_DIR = "templates-dir";
+    public static final String CUSTOM_TEMPLATES_DIR = "templates-dir";
+    public static final String PRESET_TEMPLATES_DIR = "preset-templates-dir";
     public static final String SSL_TRUSTSTORE_DIR = "ssl.truststore.dir";
 
     public static final String URI_RANGE = "cryostat.target.uri-range";

src/main/java/io/cryostat/events/EventTemplates.java

@@ -21,6 +21,7 @@
 
 import io.cryostat.core.FlightRecorderException;
 import io.cryostat.core.templates.MutableTemplateService.InvalidXmlException;
+import io.cryostat.core.templates.TemplateService;
 import io.cryostat.libcryostat.sys.FileSystem;
 import io.cryostat.libcryostat.templates.InvalidEventTemplateException;
 import io.cryostat.libcryostat.templates.Template;
@@ -35,7 +36,9 @@
 import jakarta.ws.rs.NotFoundException;
 import jakarta.ws.rs.POST;
 import jakarta.ws.rs.Path;
+import jakarta.ws.rs.Produces;
 import jakarta.ws.rs.core.Context;
+import jakarta.ws.rs.core.MediaType;
 import jakarta.ws.rs.core.UriInfo;
 import org.apache.commons.lang3.StringUtils;
 import org.jboss.logging.Logger;
@@ -60,6 +63,7 @@ public class EventTemplates {
     @Inject FileSystem fs;
     @Inject TargetTemplateService.Factory targetTemplateServiceFactory;
     @Inject S3TemplateService customTemplateService;
+    @Inject PresetTemplateService presetTemplateService;
     @Inject Logger logger;
 
     @GET
@@ -69,21 +73,47 @@ public List<Template> listTemplates() throws Exception {
         var list = new ArrayList<Template>();
         list.add(ALL_EVENTS_TEMPLATE);
         list.addAll(customTemplateService.getTemplates());
+        list.addAll(presetTemplateService.getTemplates());
         return list;
     }
 
     @GET
+    @Path("/{templateType}")
     @Blocking
     @RolesAllowed("read")
-    public Template getTemplate(@RestPath String templateName)
+    public List<Template> getTemplates(@RestPath String templateType)
             throws IOException, FlightRecorderException {
-        if (StringUtils.isBlank(templateName)) {
-            throw new BadRequestException();
+        TemplateType tt = TemplateType.valueOf(templateType);
+        switch (tt) {
+            case CUSTOM:
+                return customTemplateService.getTemplates();
+            case PRESET:
+                return presetTemplateService.getTemplates();
+            default:
+                throw new BadRequestException();
+        }
+    }
+
+    @GET
+    @Path("/{templateType}/{templateName}")
+    @Blocking
+    @RolesAllowed("read")
+    @Produces(MediaType.APPLICATION_XML)
+    public String getTemplate(@RestPath String templateType, @RestPath String templateName)
+            throws IOException, FlightRecorderException {
+        TemplateType tt = TemplateType.valueOf(templateType);
+        TemplateService svc;
+        switch (tt) {
+            case CUSTOM:
+                svc = customTemplateService;
+                break;
+            case PRESET:
+                svc = presetTemplateService;
+                break;
+            default:
+                throw new BadRequestException();
         }
-        return customTemplateService.getTemplates().stream()
-                .filter(t -> t.getName().equals(templateName))
-                .findFirst()
-                .orElseThrow();
+        return svc.getXml(templateName, tt).orElseThrow(() -> new NotFoundException());
     }
 
     @POST