fix(api): Fix location header for archived report generation

src/main/java/io/cryostat/reports/Reports.java

@@ -103,11 +103,7 @@ public Response get(HttpServerResponse response, @RestPath String encodedKey) {
         return Response.ok(request.getId(), MediaType.TEXT_PLAIN)
                 .status(202)
                 .location(
-                        UriBuilder.fromUri(
-                                        String.format(
-                                                "/api/v4/targets/%d/reports/%d",
-                                                pair.getLeft(), pair.getRight()))
-                                .build())
+                        UriBuilder.fromUri(String.format("/api/v4/reports/%s", encodedKey)).build())
                 .build();
     }
 
@@ -129,7 +125,9 @@ public Response getActive(
 
         // Check if we've already cached a result for this report, return it if so
         if (reportsService.keyExists(recording)) {
-            return Response.ok(reportsService.reportFor(recording).await().atMost(timeout))
+            return Response.ok(
+                            reportsService.reportFor(recording).await().atMost(timeout),
+                            MediaType.APPLICATION_JSON)
                     .status(200)
                     .build();
         }

src/test/java/io/cryostat/reports/ReportsTest.java

@@ -113,7 +113,17 @@ void testGetReportByTargetAndRemoteId() {
                 .assertThat()
                 .statusCode(202)
                 .contentType(ContentType.TEXT)
-                .body(Matchers.any(String.class));
+                .body(Matchers.any(String.class))
+                .assertThat()
+                // 202 Indicates report generation is in progress and sends an intermediate
+                // response.
+                // Verify we get a location header from a 202.
+                .header(
+                        "Location",
+                        "http://localhost:8081/api/v4/targets/"
+                                + targetId
+                                + "/reports/"
+                                + remoteId);
 
         given().log()
                 .all()
@@ -165,7 +175,12 @@ void testGetReportByUrl() {
                 .assertThat()
                 .statusCode(202)
                 .contentType(ContentType.TEXT)
-                .body(Matchers.any(String.class));
+                .body(Matchers.any(String.class))
+                .assertThat()
+                // 202 Indicates report generation is in progress and sends an intermediate
+                // response.
+                // Verify we get a location header from a 202.
+                .header("Location", "http://localhost:8081" + reportUrl);
 
         given().log()
                 .all()

src/test/java/itest/RecordingWorkflowTest.java

@@ -192,7 +192,6 @@ public void testWorkflow() throws Exception {
                     Matchers.matchesRegex(
                             TARGET_ALIAS + "_" + TEST_RECORDING_NAME + "_[\\d]{8}T[\\d]{6}Z.jfr"));
             String savedDownloadUrl = recordingInfo.getString("downloadUrl");
-
             Thread.sleep(3_000L); // wait for the dump to complete
 
             // verify the in-memory recording list has not changed, except recording is now stopped
@@ -250,6 +249,7 @@ public void testWorkflow() throws Exception {
             MatcherAssert.assertThat(
                     reportResponse.statusCode(),
                     Matchers.both(Matchers.greaterThanOrEqualTo(200)).and(Matchers.lessThan(300)));
+            MatcherAssert.assertThat(reportResponse.getHeader("Location"), Matchers.notNullValue());
             MatcherAssert.assertThat(reportResponse.bodyAsString(), Matchers.notNullValue());
 
             // Check that report generation concludes