SONAR-13862 Add dismiss information to 'api/ce/analysis_status' WS

23 files changed, 549 insertions, 130 deletions

diff --git a/server/sonar-ce-task-projectanalysis/src/main/java/org/sonar/ce/task/projectanalysis/step/PerformNotAnalyzedFilesCheckStep.java b/server/sonar-ce-task-projectanalysis/src/main/java/org/sonar/ce/task/projectanalysis/step/PerformNotAnalyzedFilesCheckStep.java
index 217aeafe712..67154fc4c74 100644
--- a/server/sonar-ce-task-projectanalysis/src/main/java/org/sonar/ce/task/projectanalysis/step/PerformNotAnalyzedFilesCheckStep.java
+++ b/server/sonar-ce-task-projectanalysis/src/main/java/org/sonar/ce/task/projectanalysis/step/PerformNotAnalyzedFilesCheckStep.java
@@ -101,7 +101,7 @@ public class PerformNotAnalyzedFilesCheckStep implements ComputationStep {
       fileCountLabel.append(format("%s %s", nextLanguage.getValue(), nextLanguage.getKey()));
     }
 
-    return new CeTaskMessages.Message(format(LANGUAGE_UPGRADE_MESSAGE, fileCountLabel, languageLabel), system.now());
+    return new CeTaskMessages.Message(format(LANGUAGE_UPGRADE_MESSAGE, fileCountLabel, languageLabel), system.now(), true);
   }
 
   @Override
diff --git a/server/sonar-ce-task-projectanalysis/src/test/java/org/sonar/ce/task/projectanalysis/step/PerformNotAnalyzedFilesCheckStepTest.java b/server/sonar-ce-task-projectanalysis/src/test/java/org/sonar/ce/task/projectanalysis/step/PerformNotAnalyzedFilesCheckStepTest.java
index 130a7a519ed..ef05b274ed6 100644
--- a/server/sonar-ce-task-projectanalysis/src/test/java/org/sonar/ce/task/projectanalysis/step/PerformNotAnalyzedFilesCheckStepTest.java
+++ b/server/sonar-ce-task-projectanalysis/src/test/java/org/sonar/ce/task/projectanalysis/step/PerformNotAnalyzedFilesCheckStepTest.java
@@ -27,6 +27,7 @@ import org.junit.Test;
 import org.mockito.ArgumentCaptor;
 import org.sonar.api.utils.System2;
 import org.sonar.ce.task.log.CeTaskMessages;
+import org.sonar.ce.task.log.CeTaskMessages.Message;
 import org.sonar.ce.task.projectanalysis.batch.BatchReportReaderRule;
 import org.sonar.ce.task.step.TestComputationStepContext;
 import org.sonar.core.platform.EditionProvider;
@@ -35,6 +36,7 @@ import org.sonar.scanner.protocol.output.ScannerReport;
 
 import static com.google.common.collect.ImmutableList.of;
 import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.tuple;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.never;
@@ -68,16 +70,18 @@ public class PerformNotAnalyzedFilesCheckStepTest {
       .putNotAnalyzedFilesByLanguage("C", 10)
       .putNotAnalyzedFilesByLanguage("SomeLang", 1000)
       .build());
-    ArgumentCaptor<CeTaskMessages.Message> argumentCaptor = ArgumentCaptor.forClass(CeTaskMessages.Message.class);
+    ArgumentCaptor<Message> argumentCaptor = ArgumentCaptor.forClass(Message.class);
 
     underTest.execute(new TestComputationStepContext());
 
     verify(ceTaskMessages, times(1)).add(argumentCaptor.capture());
-    List<CeTaskMessages.Message> messages = argumentCaptor.getAllValues();
-    assertThat(messages).extracting(CeTaskMessages.Message::getText).containsExactly(
-      "10 C, 20 C++ and 1000 SomeLang file(s) detected during the last analysis. C, C++ and SomeLang code cannot be analyzed with SonarQube community " +
-        "edition. Please consider <a href=\"https://www.sonarqube.org/trial-request/developer-edition/?referrer=sonarqube-cpp\">upgrading to the Developer " +
-        "Edition</a> to analyze this language.");
+    assertThat(argumentCaptor.getAllValues())
+      .extracting(Message::getText, Message::isDismissible)
+      .containsExactly(tuple(
+        "10 C, 20 C++ and 1000 SomeLang file(s) detected during the last analysis. C, C++ and SomeLang code cannot be analyzed with SonarQube community " +
+          "edition. Please consider <a href=\"https://www.sonarqube.org/trial-request/developer-edition/?referrer=sonarqube-cpp\">upgrading to the Developer " +
+          "Edition</a> to analyze this language.",
+        true));
   }
 
   @Test
diff --git a/server/sonar-ce-task-projectanalysis/src/test/java/org/sonar/ce/task/projectanalysis/step/PersistAnalysisWarningsStepTest.java b/server/sonar-ce-task-projectanalysis/src/test/java/org/sonar/ce/task/projectanalysis/step/PersistAnalysisWarningsStepTest.java
index 1185859da3f..0024c611644 100644
--- a/server/sonar-ce-task-projectanalysis/src/test/java/org/sonar/ce/task/projectanalysis/step/PersistAnalysisWarningsStepTest.java
+++ b/server/sonar-ce-task-projectanalysis/src/test/java/org/sonar/ce/task/projectanalysis/step/PersistAnalysisWarningsStepTest.java
@@ -21,9 +21,9 @@ package org.sonar.ce.task.projectanalysis.step;
 
 import com.google.common.collect.ImmutableList;
 import java.util.List;
-import java.util.stream.Collectors;
 import org.junit.Rule;
 import org.junit.Test;
+import org.mockito.ArgumentCaptor;
 import org.sonar.ce.task.log.CeTaskMessages;
 import org.sonar.ce.task.projectanalysis.batch.BatchReportReaderRule;
 import org.sonar.ce.task.step.TestComputationStepContext;
@@ -32,7 +32,9 @@ import org.sonar.scanner.protocol.output.ScannerReport;
 import static com.google.common.collect.ImmutableList.of;
 import static java.util.Collections.emptyList;
 import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.tuple;
 import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.verifyNoInteractions;
 
@@ -55,13 +57,14 @@ public class PersistAnalysisWarningsStepTest {
     ScannerReport.AnalysisWarning warning2 = ScannerReport.AnalysisWarning.newBuilder().setText("warning 2").build();
     ImmutableList<ScannerReport.AnalysisWarning> warnings = of(warning1, warning2);
     reportReader.setAnalysisWarnings(warnings);
+    ArgumentCaptor<List<CeTaskMessages.Message>> argumentCaptor = ArgumentCaptor.forClass(List.class);
 
     underTest.execute(new TestComputationStepContext());
 
-    List<CeTaskMessages.Message> messages = warnings.stream()
-      .map(w -> new CeTaskMessages.Message(w.getText(), w.getTimestamp()))
-      .collect(Collectors.toList());
-    verify(ceTaskMessages).addAll(messages);
+    verify(ceTaskMessages, times(1)).addAll(argumentCaptor.capture());
+    assertThat(argumentCaptor.getValue())
+      .extracting(CeTaskMessages.Message::getText, CeTaskMessages.Message::isDismissible)
+      .containsExactly(tuple("warning 1", false), tuple("warning 2", false));
   }
 
   @Test
diff --git a/server/sonar-ce-task/src/main/java/org/sonar/ce/task/log/CeTaskMessages.java b/server/sonar-ce-task/src/main/java/org/sonar/ce/task/log/CeTaskMessages.java
index 75ffe9d74ec..7e92a255c10 100644
--- a/server/sonar-ce-task/src/main/java/org/sonar/ce/task/log/CeTaskMessages.java
+++ b/server/sonar-ce-task/src/main/java/org/sonar/ce/task/log/CeTaskMessages.java
@@ -25,6 +25,7 @@ import javax.annotation.concurrent.Immutable;
 import org.sonar.api.ce.ComputeEngineSide;
 
 import static com.google.common.base.Preconditions.checkArgument;
+import static java.util.Objects.requireNonNull;
 
 /**
  * Provides the ability to record message attached to the current task.
@@ -47,12 +48,19 @@ public interface CeTaskMessages {
   class Message {
     private final String text;
     private final long timestamp;
+    private final boolean dismissible;
 
-    public Message(String text, long timestamp) {
-      checkArgument(text != null && !text.isEmpty(), "Text can't be null nor empty");
-      checkArgument(timestamp >= 0, "Text can't be less than 0");
+    public Message(String text, long timestamp, boolean dismissible) {
+      requireNonNull(text, "Text can't be null");
+      checkArgument(!text.isEmpty(), "Text can't be empty");
+      checkArgument(timestamp >= 0, "Timestamp can't be less than 0");
       this.text = text;
       this.timestamp = timestamp;
+      this.dismissible = dismissible;
+    }
+
+    public Message(String text, long timestamp) {
+      this(text, timestamp, false);
     }
 
     public String getText() {
@@ -63,6 +71,10 @@ public interface CeTaskMessages {
       return timestamp;
     }
 
+    public boolean isDismissible() {
+      return dismissible;
+    }
+
     @Override
     public boolean equals(Object o) {
       if (this == o) {
@@ -86,6 +98,7 @@ public interface CeTaskMessages {
       return "Message{" +
         "text='" + text + '\'' +
         ", timestamp=" + timestamp +
+        ", dismissible=" + dismissible +
         '}';
     }
   }
diff --git a/server/sonar-ce-task/src/main/java/org/sonar/ce/task/log/CeTaskMessagesImpl.java b/server/sonar-ce-task/src/main/java/org/sonar/ce/task/log/CeTaskMessagesImpl.java
index 608567b8311..153e9ce393d 100644
--- a/server/sonar-ce-task/src/main/java/org/sonar/ce/task/log/CeTaskMessagesImpl.java
+++ b/server/sonar-ce-task/src/main/java/org/sonar/ce/task/log/CeTaskMessagesImpl.java
@@ -74,6 +74,7 @@ public class CeTaskMessagesImpl implements CeTaskMessages {
     .setUuid(uuidFactory.create())
     .setTaskUuid(ceTask.getUuid())
     .setMessage(message.getText())
+    .setDismissible(message.isDismissible())
     .setCreatedAt(message.getTimestamp()));
   }
 
diff --git a/server/sonar-ce-task/src/test/java/org/sonar/ce/task/log/CeTaskMessagesMessageTest.java b/server/sonar-ce-task/src/test/java/org/sonar/ce/task/log/CeTaskMessagesMessageTest.java
index 69d83bfa9d9..5133b51cb93 100644
--- a/server/sonar-ce-task/src/test/java/org/sonar/ce/task/log/CeTaskMessagesMessageTest.java
+++ b/server/sonar-ce-task/src/test/java/org/sonar/ce/task/log/CeTaskMessagesMessageTest.java
@@ -19,76 +19,62 @@
  */
 package org.sonar.ce.task.log;
 
-import java.util.Random;
-import java.util.stream.LongStream;
-import org.junit.Rule;
 import org.junit.Test;
-import org.junit.rules.ExpectedException;
 import org.sonar.ce.task.log.CeTaskMessages.Message;
 
 import static org.apache.commons.lang.RandomStringUtils.randomAlphabetic;
 import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
 
 public class CeTaskMessagesMessageTest {
-  @Rule
-  public ExpectedException expectedException = ExpectedException.none();
 
   @Test
   public void constructor_throws_IAE_if_text_is_null() {
-    expectTextCantBeNullNorEmptyIAE();
-
-    new Message(null, 12L);
+    assertThatThrownBy(() -> new Message(null, 12L))
+      .isInstanceOf(NullPointerException.class)
+      .hasMessage("Text can't be null");
   }
 
   @Test
   public void constructor_throws_IAE_if_text_is_empty() {
-    expectTextCantBeNullNorEmptyIAE();
-
-    new Message("", 12L);
-  }
-
-  private void expectTextCantBeNullNorEmptyIAE() {
-    expectedException.expect(IllegalArgumentException.class);
-    expectedException.expectMessage("Text can't be null nor empty");
+    assertThatThrownBy(() -> new Message("", 12L))
+      .isInstanceOf(IllegalArgumentException.class)
+      .hasMessage("Text can't be empty");
   }
 
   @Test
   public void constructor_throws_IAE_if_timestamp_is_less_than_0() {
-    LongStream.of(0, 1 + new Random().nextInt(12))
-      .forEach(timestamp -> assertThat(new Message("foo", timestamp).getTimestamp()).isEqualTo(timestamp));
-
-    long lessThanZero = -1 - new Random().nextInt(33);
-
-    expectedException.expect(IllegalArgumentException.class);
-    expectedException.expectMessage("Text can't be less than 0");
-
-    new Message("bar", lessThanZero);
+    assertThatThrownBy(() -> new Message("bar", -1))
+      .isInstanceOf(IllegalArgumentException.class)
+      .hasMessage("Timestamp can't be less than 0");
   }
 
   @Test
   public void equals_is_based_on_text_and_timestamp() {
-    long timestamp = new Random().nextInt(10_999);
+    long timestamp = 10_000_000_000L;
     String text = randomAlphabetic(23);
     Message underTest = new Message(text, timestamp);
 
-    assertThat(underTest).isEqualTo(underTest);
-    assertThat(underTest).isEqualTo(new Message(text, timestamp));
-    assertThat(underTest).isNotEqualTo(new Message(text + "ç", timestamp));
-    assertThat(underTest).isNotEqualTo(new Message(text, timestamp + 10_999L));
-    assertThat(underTest).isNotEqualTo(null);
-    assertThat(underTest).isNotEqualTo(new Object());
+    assertThat(underTest)
+      .isEqualTo(underTest)
+      .isEqualTo(new Message(text, timestamp))
+      .isNotEqualTo(new Message(text + "ç", timestamp))
+      .isNotEqualTo(new Message(text, timestamp + 10_999L))
+      .isNotEqualTo(null)
+      .isNotEqualTo(new Object());
   }
 
   @Test
   public void hashsode_is_based_on_text_and_timestamp() {
-    long timestamp = new Random().nextInt(10_999);
+    long timestamp = 10_000_000_000L;
     String text = randomAlphabetic(23);
     Message underTest = new Message(text, timestamp);
 
-    assertThat(underTest.hashCode()).isEqualTo(underTest.hashCode());
-    assertThat(underTest.hashCode()).isEqualTo(new Message(text, timestamp).hashCode());
-    assertThat(underTest.hashCode()).isNotEqualTo(new Message(text + "ç", timestamp).hashCode());
-    assertThat(underTest.hashCode()).isNotEqualTo(new Message(text, timestamp + 10_999L).hashCode());
-    assertThat(underTest.hashCode()).isNotEqualTo(new Object().hashCode());
+    assertThat(underTest.hashCode())
+      .isEqualTo(underTest.hashCode())
+      .isEqualTo(new Message(text, timestamp).hashCode())
+      .isNotEqualTo(new Message(text + "ç", timestamp).hashCode())
+      .isNotEqualTo(new Message(text, timestamp + 10_999L).hashCode())
+      .isNotEqualTo(new Object().hashCode());
   }
 }
diff --git a/server/sonar-db-dao/src/main/java/org/sonar/db/ce/CeTaskMessageDto.java b/server/sonar-db-dao/src/main/java/org/sonar/db/ce/CeTaskMessageDto.java
index 61f4117d8fd..f31bcbc2530 100644
--- a/server/sonar-db-dao/src/main/java/org/sonar/db/ce/CeTaskMessageDto.java
+++ b/server/sonar-db-dao/src/main/java/org/sonar/db/ce/CeTaskMessageDto.java
@@ -38,6 +38,10 @@ public class CeTaskMessageDto {
    * Timestamp the message was created. Not null
    */
   private long createdAt;
+  /**
+   * Information if this message can be dismissed by the user
+   */
+  private boolean dismissible;
 
   public String getUuid() {
     return uuid;
@@ -76,4 +80,13 @@ public class CeTaskMessageDto {
     this.createdAt = createdAt;
     return this;
   }
+
+  public boolean isDismissible() {
+    return dismissible;
+  }
+
+  public CeTaskMessageDto setDismissible(boolean dismissible) {
+    this.dismissible = dismissible;
+    return this;
+  }
 }
diff --git a/server/sonar-db-dao/src/main/resources/org/sonar/db/ce/CeTaskMessageMapper.xml b/server/sonar-db-dao/src/main/resources/org/sonar/db/ce/CeTaskMessageMapper.xml
index a3fcf1f92da..1e5ca2cb2f3 100644
--- a/server/sonar-db-dao/src/main/resources/org/sonar/db/ce/CeTaskMessageMapper.xml
+++ b/server/sonar-db-dao/src/main/resources/org/sonar/db/ce/CeTaskMessageMapper.xml
@@ -7,7 +7,8 @@
     ctm.uuid,
     ctm.task_uuid as taskUuid,
     ctm.message as message,
-    ctm.created_at as createdAt
+    ctm.created_at as createdAt,
+    ctm.is_dismissible as dismissible
   </sql>
 
   <select id="selectByTask" resultType="org.sonar.db.ce.CeTaskMessageDto">
@@ -27,13 +28,15 @@
       uuid,
       task_uuid,
       message,
-      created_at
+      created_at,
+      is_dismissible
     )
     values (
       #{dto.uuid,jdbcType=VARCHAR},
       #{dto.taskUuid,jdbcType=VARCHAR},
       #{dto.message,jdbcType=VARCHAR},
-      #{dto.createdAt,jdbcType=BIGINT}
+      #{dto.createdAt,jdbcType=BIGINT},
+      #{dto.dismissible,jdbcType=BOOLEAN}
     )
   </insert>
 
diff --git a/server/sonar-db-dao/src/schema/schema-sq.ddl b/server/sonar-db-dao/src/schema/schema-sq.ddl
index 10ff174c94d..e31dc777fd9 100644
--- a/server/sonar-db-dao/src/schema/schema-sq.ddl
+++ b/server/sonar-db-dao/src/schema/schema-sq.ddl
@@ -168,7 +168,8 @@ CREATE TABLE "CE_TASK_MESSAGE"(
     "UUID" VARCHAR(40) NOT NULL,
     "TASK_UUID" VARCHAR(40) NOT NULL,
     "MESSAGE" VARCHAR(4000) NOT NULL,
-    "CREATED_AT" BIGINT NOT NULL
+    "CREATED_AT" BIGINT NOT NULL,
+    "IS_DISMISSIBLE" BOOLEAN NOT NULL
 );
 ALTER TABLE "CE_TASK_MESSAGE" ADD CONSTRAINT "PK_CE_TASK_MESSAGE" PRIMARY KEY("UUID");
 CREATE INDEX "CE_TASK_MESSAGE_TASK" ON "CE_TASK_MESSAGE"("TASK_UUID");
diff --git a/server/sonar-db-migration/src/main/java/org/sonar/server/platform/db/migration/version/v85/AddIsDismissibleColumnToCeTaskMessageTable.java b/server/sonar-db-migration/src/main/java/org/sonar/server/platform/db/migration/version/v85/AddIsDismissibleColumnToCeTaskMessageTable.java
new file mode 100644
index 00000000000..674ae2f2b81
--- /dev/null
+++ b/server/sonar-db-migration/src/main/java/org/sonar/server/platform/db/migration/version/v85/AddIsDismissibleColumnToCeTaskMessageTable.java
@@ -0,0 +1,49 @@
+/*
+ * SonarQube
+ * Copyright (C) 2009-2020 SonarSource SA
+ * mailto:info AT sonarsource DOT com
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+package org.sonar.server.platform.db.migration.version.v85;
+
+import java.sql.SQLException;
+import org.sonar.db.Database;
+import org.sonar.server.platform.db.migration.def.BooleanColumnDef;
+import org.sonar.server.platform.db.migration.sql.AddColumnsBuilder;
+import org.sonar.server.platform.db.migration.step.DdlChange;
+
+import static org.sonar.server.platform.db.migration.def.BooleanColumnDef.newBooleanColumnDefBuilder;
+
+public class AddIsDismissibleColumnToCeTaskMessageTable extends DdlChange {
+  private static final String TABLE = "ce_task_message";
+  private static final String NEW_COLUMN = "is_dismissible";
+
+  private static final BooleanColumnDef IS_DISMISSIBLE = newBooleanColumnDefBuilder()
+    .setColumnName(NEW_COLUMN)
+    .setIsNullable(true)
+    .build();
+
+  public AddIsDismissibleColumnToCeTaskMessageTable(Database db) {
+    super(db);
+  }
+
+  @Override
+  public void execute(Context context) throws SQLException {
+    context.execute(new AddColumnsBuilder(getDialect(), TABLE)
+      .addColumn(IS_DISMISSIBLE)
+      .build());
+  }
+}
diff --git a/server/sonar-db-migration/src/main/java/org/sonar/server/platform/db/migration/version/v85/DbVersion85.java b/server/sonar-db-migration/src/main/java/org/sonar/server/platform/db/migration/version/v85/DbVersion85.java
index d6bb98a5bdb..80ea17d33da 100644
--- a/server/sonar-db-migration/src/main/java/org/sonar/server/platform/db/migration/version/v85/DbVersion85.java
+++ b/server/sonar-db-migration/src/main/java/org/sonar/server/platform/db/migration/version/v85/DbVersion85.java
@@ -47,7 +47,9 @@ public class DbVersion85 implements DbVersion {
       .add(4016, "Add 'type' column to 'plugins' table", AddTypeToPlugins.class)
       .add(4017, "Populate 'type' column in 'plugins' table", PopulateTypeInPlugins.class)
       .add(4018, "Alter 'type' column in 'plugins' to not nullable", AlterTypeInPluginNotNullable.class)
-
+      .add(4019, "Add 'is_dismissible' column to `ce_task_message` table", AddIsDismissibleColumnToCeTaskMessageTable.class)
+      .add(4020, "Populate 'is_dismissible' column of `ce_task_message` table", PopulateIsDismissibleColumnOfCeTaskMessageTable.class)
+      .add(4021, "Make 'is_dismissible' column not nullable for `ce_task_message` table", MakeIsDismissibleColumnNotNullableOnCeTaskMessageTable.class)
     ;
   }
 }
diff --git a/server/sonar-db-migration/src/main/java/org/sonar/server/platform/db/migration/version/v85/MakeIsDismissibleColumnNotNullableOnCeTaskMessageTable.java b/server/sonar-db-migration/src/main/java/org/sonar/server/platform/db/migration/version/v85/MakeIsDismissibleColumnNotNullableOnCeTaskMessageTable.java
new file mode 100644
index 00000000000..6b285203b4b
--- /dev/null
+++ b/server/sonar-db-migration/src/main/java/org/sonar/server/platform/db/migration/version/v85/MakeIsDismissibleColumnNotNullableOnCeTaskMessageTable.java
@@ -0,0 +1,50 @@
+/*
+ * SonarQube
+ * Copyright (C) 2009-2020 SonarSource SA
+ * mailto:info AT sonarsource DOT com
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+package org.sonar.server.platform.db.migration.version.v85;
+
+import java.sql.SQLException;
+import org.sonar.db.Database;
+import org.sonar.server.platform.db.migration.def.BooleanColumnDef;
+import org.sonar.server.platform.db.migration.sql.AlterColumnsBuilder;
+import org.sonar.server.platform.db.migration.step.DdlChange;
+
+import static org.sonar.server.platform.db.migration.def.BooleanColumnDef.newBooleanColumnDefBuilder;
+
+public class MakeIsDismissibleColumnNotNullableOnCeTaskMessageTable extends DdlChange {
+
+  private static final String TABLE = "ce_task_message";
+  private static final String NEW_COLUMN = "is_dismissible";
+
+  private static final BooleanColumnDef IS_DISMISSIBLE = newBooleanColumnDefBuilder()
+    .setColumnName(NEW_COLUMN)
+    .setIsNullable(false)
+    .build();
+
+  public MakeIsDismissibleColumnNotNullableOnCeTaskMessageTable(Database db) {
+    super(db);
+  }
+
+  @Override
+  public void execute(Context context) throws SQLException {
+    context.execute(new AlterColumnsBuilder(getDialect(), TABLE)
+      .updateColumn(IS_DISMISSIBLE)
+      .build());
+  }
+}
diff --git a/server/sonar-db-migration/src/main/java/org/sonar/server/platform/db/migration/version/v85/PopulateIsDismissibleColumnOfCeTaskMessageTable.java b/server/sonar-db-migration/src/main/java/org/sonar/server/platform/db/migration/version/v85/PopulateIsDismissibleColumnOfCeTaskMessageTable.java
new file mode 100644
index 00000000000..63863b29912
--- /dev/null
+++ b/server/sonar-db-migration/src/main/java/org/sonar/server/platform/db/migration/version/v85/PopulateIsDismissibleColumnOfCeTaskMessageTable.java
@@ -0,0 +1,45 @@
+/*
+ * SonarQube
+ * Copyright (C) 2009-2020 SonarSource SA
+ * mailto:info AT sonarsource DOT com
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+package org.sonar.server.platform.db.migration.version.v85;
+
+import java.sql.SQLException;
+import org.sonar.db.Database;
+import org.sonar.server.platform.db.migration.step.DataChange;
+import org.sonar.server.platform.db.migration.step.MassUpdate;
+
+public class PopulateIsDismissibleColumnOfCeTaskMessageTable extends DataChange {
+
+  public PopulateIsDismissibleColumnOfCeTaskMessageTable(Database db) {
+    super(db);
+  }
+
+  @Override
+  protected void execute(Context context) throws SQLException {
+    MassUpdate massUpdate = context.prepareMassUpdate();
+    massUpdate.select("select ctm.uuid from ce_task_message ctm where ctm.is_dismissible is null");
+    massUpdate.update("update ce_task_message set is_dismissible = ? where uuid = ?");
+
+    massUpdate.execute((row, update) -> {
+      update.setBoolean(1, false);
+      update.setString(2, row.getString(1));
+      return true;
+    });
+  }
+}
diff --git a/server/sonar-db-migration/src/test/java/org/sonar/server/platform/db/migration/version/v85/AddIsDismissibleColumnToCeTaskMessageTableTest.java b/server/sonar-db-migration/src/test/java/org/sonar/server/platform/db/migration/version/v85/AddIsDismissibleColumnToCeTaskMessageTableTest.java
new file mode 100644
index 00000000000..bc51cb03288
--- /dev/null
+++ b/server/sonar-db-migration/src/test/java/org/sonar/server/platform/db/migration/version/v85/AddIsDismissibleColumnToCeTaskMessageTableTest.java
@@ -0,0 +1,45 @@
+/*
+ * SonarQube
+ * Copyright (C) 2009-2020 SonarSource SA
+ * mailto:info AT sonarsource DOT com
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+package org.sonar.server.platform.db.migration.version.v85;
+
+import java.sql.SQLException;
+import org.junit.Rule;
+import org.junit.Test;
+import org.sonar.db.CoreDbTester;
+import org.sonar.server.platform.db.migration.step.DdlChange;
+
+import static java.sql.Types.BOOLEAN;
+
+public class AddIsDismissibleColumnToCeTaskMessageTableTest {
+
+  @Rule
+  public CoreDbTester db = CoreDbTester.createForSchema(AddIsDismissibleColumnToCeTaskMessageTableTest.class, "schema.sql");
+
+  DdlChange underTest = new AddIsDismissibleColumnToCeTaskMessageTable(db.database());
+
+  @Test
+  public void add_column() throws SQLException {
+    underTest.execute();
+
+    db.assertColumnDefinition("ce_task_message", "is_dismissible", BOOLEAN, null, true);
+  }
+
+}
diff --git a/server/sonar-db-migration/src/test/java/org/sonar/server/platform/db/migration/version/v85/MakeIsDismissibleColumnNotNullableOnCeTaskMessageTableTest.java b/server/sonar-db-migration/src/test/java/org/sonar/server/platform/db/migration/version/v85/MakeIsDismissibleColumnNotNullableOnCeTaskMessageTableTest.java
new file mode 100644
index 00000000000..5f49ab61888
--- /dev/null
+++ b/server/sonar-db-migration/src/test/java/org/sonar/server/platform/db/migration/version/v85/MakeIsDismissibleColumnNotNullableOnCeTaskMessageTableTest.java
@@ -0,0 +1,44 @@
+/*
+ * SonarQube
+ * Copyright (C) 2009-2020 SonarSource SA
+ * mailto:info AT sonarsource DOT com
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+package org.sonar.server.platform.db.migration.version.v85;
+
+import java.sql.SQLException;
+import org.junit.Rule;
+import org.junit.Test;
+import org.sonar.db.CoreDbTester;
+import org.sonar.server.platform.db.migration.step.MigrationStep;
+
+import static java.sql.Types.BOOLEAN;
+
+public class MakeIsDismissibleColumnNotNullableOnCeTaskMessageTableTest {
+
+  @Rule
+  public CoreDbTester db = CoreDbTester.createForSchema(MakeIsDismissibleColumnNotNullableOnCeTaskMessageTableTest.class, "schema.sql");
+
+  private MigrationStep underTest = new MakeIsDismissibleColumnNotNullableOnCeTaskMessageTable(db.database());
+
+  @Test
+  public void ce_task_message_column_is_not_null() throws SQLException {
+    underTest.execute();
+
+    db.assertColumnDefinition("ce_task_message", "is_dismissible", BOOLEAN, null, false);
+  }
+
+}
diff --git a/server/sonar-db-migration/src/test/java/org/sonar/server/platform/db/migration/version/v85/PopulateIsDismissibleColumnOfCeTaskMessageTableTest.java b/server/sonar-db-migration/src/test/java/org/sonar/server/platform/db/migration/version/v85/PopulateIsDismissibleColumnOfCeTaskMessageTableTest.java
new file mode 100644
index 00000000000..fb17fc524e8
--- /dev/null
+++ b/server/sonar-db-migration/src/test/java/org/sonar/server/platform/db/migration/version/v85/PopulateIsDismissibleColumnOfCeTaskMessageTableTest.java
@@ -0,0 +1,87 @@
+/*
+ * SonarQube
+ * Copyright (C) 2009-2020 SonarSource SA
+ * mailto:info AT sonarsource DOT com
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+package org.sonar.server.platform.db.migration.version.v85;
+
+import java.sql.SQLException;
+import javax.annotation.Nullable;
+import org.junit.Rule;
+import org.junit.Test;
+import org.sonar.core.util.Uuids;
+import org.sonar.db.CoreDbTester;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+public class PopulateIsDismissibleColumnOfCeTaskMessageTableTest {
+
+  @Rule
+  public CoreDbTester db = CoreDbTester.createForSchema(PopulateIsDismissibleColumnOfCeTaskMessageTableTest.class, "schema.sql");
+
+  private PopulateIsDismissibleColumnOfCeTaskMessageTable underTest = new PopulateIsDismissibleColumnOfCeTaskMessageTable(db.database());
+
+  @Test
+  public void execute_migration() throws SQLException {
+    insertCeTaskMessage(null);
+    insertCeTaskMessage(null);
+    insertCeTaskMessage(null);
+
+    underTest.execute();
+
+    assertIsDismissibleValuesAreAllFalse();
+  }
+
+  @Test
+  public void migrate_not_already_updated_rows() throws SQLException {
+    insertCeTaskMessage(false);
+    insertCeTaskMessage(false);
+    insertCeTaskMessage(null);
+
+    underTest.execute();
+
+    assertIsDismissibleValuesAreAllFalse();
+  }
+
+  @Test
+  public void migration_is_reentrant() throws SQLException {
+    insertCeTaskMessage(null);
+
+    underTest.execute();
+    underTest.execute();
+
+    assertIsDismissibleValuesAreAllFalse();
+  }
+
+  private void assertIsDismissibleValuesAreAllFalse() {
+    assertThat(db.select("select is_dismissible as \"IS_DISMISSIBLE\" from ce_task_message")
+      .stream()
+      .map(rows -> rows.get("IS_DISMISSIBLE")))
+      .containsOnly(false);
+  }
+
+  private String insertCeTaskMessage(@Nullable Boolean isDissmisible) {
+    String uuid = Uuids.createFast();
+    db.executeInsert("CE_TASK_MESSAGE",
+      "UUID", uuid,
+      "TASK_UUID", Uuids.createFast(),
+      "MESSAGE", "message-" + uuid,
+      "IS_DISMISSIBLE", isDissmisible,
+      "CREATED_AT", System.currentTimeMillis());
+    return uuid;
+  }
+}
diff --git a/server/sonar-db-migration/src/test/resources/org/sonar/server/platform/db/migration/version/v85/AddIsDismissibleColumnToCeTaskMessageTableTest/schema.sql b/server/sonar-db-migration/src/test/resources/org/sonar/server/platform/db/migration/version/v85/AddIsDismissibleColumnToCeTaskMessageTableTest/schema.sql
new file mode 100644
index 00000000000..e3a716c9e4b
--- /dev/null
+++ b/server/sonar-db-migration/src/test/resources/org/sonar/server/platform/db/migration/version/v85/AddIsDismissibleColumnToCeTaskMessageTableTest/schema.sql
@@ -0,0 +1,8 @@
+CREATE TABLE "CE_TASK_MESSAGE"(
+    "UUID" VARCHAR(40) NOT NULL,
+    "TASK_UUID" VARCHAR(40) NOT NULL,
+    "MESSAGE" VARCHAR(4000) NOT NULL,
+    "CREATED_AT" BIGINT NOT NULL
+);
+ALTER TABLE "CE_TASK_MESSAGE" ADD CONSTRAINT "PK_CE_TASK_MESSAGE" PRIMARY KEY("UUID");
+CREATE INDEX "CE_TASK_MESSAGE_TASK" ON "CE_TASK_MESSAGE"("TASK_UUID");
diff --git a/server/sonar-db-migration/src/test/resources/org/sonar/server/platform/db/migration/version/v85/MakeIsDismissibleColumnNotNullableOnCeTaskMessageTableTest/schema.sql b/server/sonar-db-migration/src/test/resources/org/sonar/server/platform/db/migration/version/v85/MakeIsDismissibleColumnNotNullableOnCeTaskMessageTableTest/schema.sql
new file mode 100644
index 00000000000..672cf3d9d73
--- /dev/null
+++ b/server/sonar-db-migration/src/test/resources/org/sonar/server/platform/db/migration/version/v85/MakeIsDismissibleColumnNotNullableOnCeTaskMessageTableTest/schema.sql
@@ -0,0 +1,9 @@
+CREATE TABLE "CE_TASK_MESSAGE"(
+    "UUID" VARCHAR(40) NOT NULL,
+    "TASK_UUID" VARCHAR(40) NOT NULL,
+    "MESSAGE" VARCHAR(4000) NOT NULL,
+    "CREATED_AT" BIGINT NOT NULL,
+    "IS_DISMISSIBLE" BOOLEAN NOT NULL
+);
+ALTER TABLE "CE_TASK_MESSAGE" ADD CONSTRAINT "PK_CE_TASK_MESSAGE" PRIMARY KEY("UUID");
+CREATE INDEX "CE_TASK_MESSAGE_TASK" ON "CE_TASK_MESSAGE"("TASK_UUID");
diff --git a/server/sonar-db-migration/src/test/resources/org/sonar/server/platform/db/migration/version/v85/PopulateIsDismissibleColumnOfCeTaskMessageTableTest/schema.sql b/server/sonar-db-migration/src/test/resources/org/sonar/server/platform/db/migration/version/v85/PopulateIsDismissibleColumnOfCeTaskMessageTableTest/schema.sql
new file mode 100644
index 00000000000..d5fcd2b20cd
--- /dev/null
+++ b/server/sonar-db-migration/src/test/resources/org/sonar/server/platform/db/migration/version/v85/PopulateIsDismissibleColumnOfCeTaskMessageTableTest/schema.sql
@@ -0,0 +1,9 @@
+CREATE TABLE "CE_TASK_MESSAGE"(
+    "UUID" VARCHAR(40) NOT NULL,
+    "TASK_UUID" VARCHAR(40) NOT NULL,
+    "MESSAGE" VARCHAR(4000) NOT NULL,
+    "CREATED_AT" BIGINT NOT NULL,
+    "IS_DISMISSIBLE" BOOLEAN NULL
+);
+ALTER TABLE "CE_TASK_MESSAGE" ADD CONSTRAINT "PK_CE_TASK_MESSAGE" PRIMARY KEY("UUID");
+CREATE INDEX "CE_TASK_MESSAGE_TASK" ON "CE_TASK_MESSAGE"("TASK_UUID");
diff --git a/server/sonar-webserver-webapi/src/main/java/org/sonar/server/ce/ws/AnalysisStatusAction.java b/server/sonar-webserver-webapi/src/main/java/org/sonar/server/ce/ws/AnalysisStatusAction.java
index 9980cb3a9f7..9178c1f7788 100644
--- a/server/sonar-webserver-webapi/src/main/java/org/sonar/server/ce/ws/AnalysisStatusAction.java
+++ b/server/sonar-webserver-webapi/src/main/java/org/sonar/server/ce/ws/AnalysisStatusAction.java
@@ -29,7 +29,6 @@ import org.sonar.api.web.UserRole;
 import org.sonar.db.DbClient;
 import org.sonar.db.DbSession;
 import org.sonar.db.ce.CeActivityDto;
-import org.sonar.db.ce.CeTaskMessageDto;
 import org.sonar.db.ce.CeTaskTypes;
 import org.sonar.db.component.BranchDto;
 import org.sonar.db.project.ProjectDto;
@@ -122,13 +121,18 @@ public class AnalysisStatusAction implements CeWsAction {
       builder.setPullRequest(pullRequestKey);
     }
 
-    if (lastActivity != null) {
-      List<String> warnings = dbClient.ceTaskMessageDao().selectByTask(dbSession, lastActivity.getUuid()).stream()
-        .map(CeTaskMessageDto::getMessage)
-        .collect(Collectors.toList());
-
-      builder.addAllWarnings(warnings);
+    if (lastActivity == null) {
+      return builder.build();
     }
+    List<AnalysisStatusWsResponse.Warning> warnings = dbClient.ceTaskMessageDao().selectByTask(dbSession, lastActivity.getUuid()).stream()
+      .map(dto -> AnalysisStatusWsResponse.Warning.newBuilder()
+        .setKey(dto.getUuid())
+        .setMessage(dto.getMessage())
+        .setDismissable(dto.isDismissible())
+        .build())
+      .collect(Collectors.toList());
+
+    builder.addAllWarnings(warnings);
 
     return builder.build();
   }
diff --git a/server/sonar-webserver-webapi/src/main/resources/org/sonar/server/ce/ws/analysis_status-example.json b/server/sonar-webserver-webapi/src/main/resources/org/sonar/server/ce/ws/analysis_status-example.json
index 33a06b140c3..791c38bb018 100644
--- a/server/sonar-webserver-webapi/src/main/resources/org/sonar/server/ce/ws/analysis_status-example.json
+++ b/server/sonar-webserver-webapi/src/main/resources/org/sonar/server/ce/ws/analysis_status-example.json
@@ -3,6 +3,12 @@
     "organization": "my-org-1",
     "key": "com.github.kevinsawicki:http-request-parent",
     "name": "HttpRequest",
-    "warnings": []
+    "warnings": [
+      {
+        "key": "AU-Tpxb--iU5OvuD2FLy",
+        "message": "Property \"sonar.jacoco.reportPaths\" is no longer supported. Use JaCoCo xml report and sonar-jacoco plugin.",
+        "dismissable": false
+      }
+    ]
   }
 }
diff --git a/server/sonar-webserver-webapi/src/test/java/org/sonar/server/ce/ws/AnalysisStatusActionTest.java b/server/sonar-webserver-webapi/src/test/java/org/sonar/server/ce/ws/AnalysisStatusActionTest.java
index 83580d02c46..906096f8666 100644
--- a/server/sonar-webserver-webapi/src/test/java/org/sonar/server/ce/ws/AnalysisStatusActionTest.java
+++ b/server/sonar-webserver-webapi/src/test/java/org/sonar/server/ce/ws/AnalysisStatusActionTest.java
@@ -40,8 +40,10 @@ import org.sonar.server.exceptions.NotFoundException;
 import org.sonar.server.tester.UserSessionRule;
 import org.sonar.server.ws.WsActionTester;
 import org.sonarqube.ws.Ce;
+import org.sonarqube.ws.Ce.AnalysisStatusWsResponse.Warning;
 
 import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.tuple;
 import static org.sonar.db.ce.CeActivityDto.Status.SUCCESS;
 import static org.sonar.db.ce.CeTaskTypes.REPORT;
 import static org.sonar.server.ce.ws.CeWsParameters.PARAM_BRANCH;
@@ -67,53 +69,8 @@ public class AnalysisStatusActionTest {
   @Rule
   public DbTester db = DbTester.create(System2.INSTANCE);
 
-  private DbClient dbClient = db.getDbClient();
-  private WsActionTester ws = new WsActionTester(new AnalysisStatusAction(userSession, dbClient, TestComponentFinder.from(db)));
-
-  @Test
-  public void fail_if_component_key_not_provided() {
-    expectedException.expect(IllegalArgumentException.class);
-
-    ws.newRequest().execute();
-  }
-
-  @Test
-  public void fail_if_component_key_is_unknown() {
-    expectedException.expect(NotFoundException.class);
-
-    ws.newRequest().setParam(PARAM_COMPONENT, "nonexistent").execute();
-  }
-
-  @Test
-  public void fail_if_both_branch_and_pullRequest_are_specified() {
-    expectedException.expect(BadRequestException.class);
-
-    ws.newRequest()
-      .setParam(PARAM_COMPONENT, "dummy")
-      .setParam(PARAM_BRANCH, "feature1")
-      .setParam(PARAM_PULL_REQUEST, "pr1")
-      .execute();
-  }
-
-  @Test
-  public void json_example() {
-    OrganizationDto organization = db.organizations().insert(o -> o.setKey("my-org-1"));
-    ComponentDto project = db.components().insertPrivateProject(organization,
-      p -> p.setUuid("AU_w74XMgAS1Hm6h4-Y-")
-        .setProjectUuid("AU_w74XMgAS1Hm6h4-Y-")
-        .setRootUuid("AU_w74XMgAS1Hm6h4-Y-")
-        .setDbKey("com.github.kevinsawicki:http-request-parent")
-        .setName("HttpRequest"));
-
-    userSession.addProjectPermission(UserRole.USER, project);
-
-    String result = ws.newRequest()
-      .setParam(PARAM_COMPONENT, project.getKey())
-      .execute()
-      .getInput();
-
-    assertJson(result).isSimilarTo(getClass().getResource("analysis_status-example.json"));
-  }
+  DbClient dbClient = db.getDbClient();
+  WsActionTester ws = new WsActionTester(new AnalysisStatusAction(userSession, dbClient, TestComponentFinder.from(db)));
 
   @Test
   public void no_errors_no_warnings() {
@@ -134,13 +91,18 @@ public class AnalysisStatusActionTest {
 
     SnapshotDto analysis = db.components().insertSnapshot(project);
     CeActivityDto activity = insertActivity("task-uuid" + counter++, project, SUCCESS, analysis, REPORT);
-    createTaskMessage(activity, WARNING_IN_MAIN);
+    CeTaskMessageDto taskMessage = createTaskMessage(activity, WARNING_IN_MAIN);
+    CeTaskMessageDto taskMessageDismissible = createTaskMessage(activity, "Dismissible warning", true);
 
     Ce.AnalysisStatusWsResponse response = ws.newRequest()
       .setParam(PARAM_COMPONENT, project.getKey())
       .executeProtobuf(Ce.AnalysisStatusWsResponse.class);
 
-    assertThat(response.getComponent().getWarningsList()).containsExactly(WARNING_IN_MAIN);
+    assertThat(response.getComponent().getWarningsList())
+      .extracting(Warning::getKey, Warning::getMessage, Warning::getDismissable)
+      .containsExactly(
+        tuple(taskMessage.getUuid(), WARNING_IN_MAIN, false),
+        tuple(taskMessageDismissible.getUuid(), taskMessageDismissible.getMessage(), true));
 
     SnapshotDto analysis2 = db.components().insertSnapshot(project);
     insertActivity("task-uuid" + counter++, project, SUCCESS, analysis2, REPORT);
@@ -161,14 +123,16 @@ public class AnalysisStatusActionTest {
     ComponentDto branch = db.components().insertProjectBranch(project, b -> b.setKey(BRANCH_WITH_WARNING));
     SnapshotDto analysis = db.components().insertSnapshot(branch);
     CeActivityDto activity = insertActivity("task-uuid" + counter++, branch, SUCCESS, analysis, REPORT);
-    createTaskMessage(activity, WARNING_IN_BRANCH);
+    CeTaskMessageDto taskMessage = createTaskMessage(activity, WARNING_IN_BRANCH);
 
     Ce.AnalysisStatusWsResponse response = ws.newRequest()
       .setParam(PARAM_COMPONENT, project.getKey())
       .setParam(PARAM_BRANCH, BRANCH_WITH_WARNING)
       .executeProtobuf(Ce.AnalysisStatusWsResponse.class);
 
-    assertThat(response.getComponent().getWarningsList()).containsExactly(WARNING_IN_BRANCH);
+    assertThat(response.getComponent().getWarningsList())
+      .extracting(Warning::getKey, Warning::getMessage, Warning::getDismissable)
+      .containsExactly(tuple(taskMessage.getUuid(), WARNING_IN_BRANCH, false));
 
     SnapshotDto analysis2 = db.components().insertSnapshot(branch);
     insertActivity("task-uuid" + counter++, branch, SUCCESS, analysis2, REPORT);
@@ -193,14 +157,16 @@ public class AnalysisStatusActionTest {
     });
     SnapshotDto analysis = db.components().insertSnapshot(pullRequest);
     CeActivityDto activity = insertActivity("task-uuid" + counter++, pullRequest, SUCCESS, analysis, REPORT);
-    createTaskMessage(activity, WARNING_IN_PR);
+    CeTaskMessageDto taskMessage = createTaskMessage(activity, WARNING_IN_PR);
 
     Ce.AnalysisStatusWsResponse response = ws.newRequest()
       .setParam(PARAM_COMPONENT, project.getKey())
       .setParam(PARAM_PULL_REQUEST, PULL_REQUEST)
       .executeProtobuf(Ce.AnalysisStatusWsResponse.class);
 
-    assertThat(response.getComponent().getWarningsList()).containsExactly(WARNING_IN_PR);
+    assertThat(response.getComponent().getWarningsList())
+      .extracting(Warning::getKey, Warning::getMessage, Warning::getDismissable)
+      .containsExactly(tuple(taskMessage.getUuid(), WARNING_IN_PR, false));
 
     SnapshotDto analysis2 = db.components().insertSnapshot(pullRequest);
     insertActivity("task-uuid" + counter++, pullRequest, SUCCESS, analysis2, REPORT);
@@ -221,12 +187,12 @@ public class AnalysisStatusActionTest {
 
     SnapshotDto analysis = db.components().insertSnapshot(project);
     CeActivityDto activity = insertActivity("task-uuid" + counter++, project, SUCCESS, analysis, REPORT);
-    createTaskMessage(activity, WARNING_IN_MAIN);
+    CeTaskMessageDto warningInMainMessage = createTaskMessage(activity, WARNING_IN_MAIN);
 
     ComponentDto branchWithWarning = db.components().insertProjectBranch(project, b -> b.setKey(BRANCH_WITH_WARNING));
     SnapshotDto branchAnalysis = db.components().insertSnapshot(branchWithWarning);
     CeActivityDto branchActivity = insertActivity("task-uuid" + counter++, branchWithWarning, SUCCESS, branchAnalysis, REPORT);
-    createTaskMessage(branchActivity, WARNING_IN_BRANCH);
+    CeTaskMessageDto warningInBranchMessage = createTaskMessage(branchActivity, WARNING_IN_BRANCH);
 
     ComponentDto branchWithoutWarning = db.components().insertProjectBranch(project, b -> b.setKey(BRANCH_WITHOUT_WARNING));
     SnapshotDto branchWithoutWarningAnalysis = db.components().insertSnapshot(branchWithoutWarning);
@@ -238,20 +204,24 @@ public class AnalysisStatusActionTest {
     });
     SnapshotDto prAnalysis = db.components().insertSnapshot(pullRequest);
     CeActivityDto prActivity = insertActivity("task-uuid" + counter++, pullRequest, SUCCESS, prAnalysis, REPORT);
-    createTaskMessage(prActivity, WARNING_IN_PR);
+    CeTaskMessageDto warningInPrMessage = createTaskMessage(prActivity, WARNING_IN_PR);
 
     Ce.AnalysisStatusWsResponse responseForMain = ws.newRequest()
       .setParam(PARAM_COMPONENT, project.getKey())
       .executeProtobuf(Ce.AnalysisStatusWsResponse.class);
 
-    assertThat(responseForMain.getComponent().getWarningsList()).containsExactly(WARNING_IN_MAIN);
+    assertThat(responseForMain.getComponent().getWarningsList())
+      .extracting(Warning::getKey, Warning::getMessage, Warning::getDismissable)
+      .containsExactly(tuple(warningInMainMessage.getUuid(), WARNING_IN_MAIN, false));
 
     Ce.AnalysisStatusWsResponse responseForBranchWithWarning = ws.newRequest()
       .setParam(PARAM_COMPONENT, project.getKey())
       .setParam(PARAM_BRANCH, BRANCH_WITH_WARNING)
       .executeProtobuf(Ce.AnalysisStatusWsResponse.class);
 
-    assertThat(responseForBranchWithWarning.getComponent().getWarningsList()).containsExactly(WARNING_IN_BRANCH);
+    assertThat(responseForBranchWithWarning.getComponent().getWarningsList())
+      .extracting(Warning::getKey, Warning::getMessage, Warning::getDismissable)
+      .containsExactly(tuple(warningInBranchMessage.getUuid(), WARNING_IN_BRANCH, false));
 
     Ce.AnalysisStatusWsResponse responseForBranchWithoutWarning = ws.newRequest()
       .setParam(PARAM_COMPONENT, project.getKey())
@@ -265,7 +235,9 @@ public class AnalysisStatusActionTest {
       .setParam(PARAM_PULL_REQUEST, PULL_REQUEST)
       .executeProtobuf(Ce.AnalysisStatusWsResponse.class);
 
-    assertThat(responseForPr.getComponent().getWarningsList()).containsExactly(WARNING_IN_PR);
+    assertThat(responseForPr.getComponent().getWarningsList())
+      .extracting(Warning::getKey, Warning::getMessage, Warning::getDismissable)
+      .containsExactly(tuple(warningInPrMessage.getUuid(), WARNING_IN_PR, false));
   }
 
   @Test
@@ -304,13 +276,72 @@ public class AnalysisStatusActionTest {
     assertThat(responseForPr.getComponent().getPullRequest()).isEqualTo(PULL_REQUEST);
   }
 
-  private void createTaskMessage(CeActivityDto activity, String warning) {
-    db.getDbClient().ceTaskMessageDao().insert(db.getSession(), new CeTaskMessageDto()
+  @Test
+  public void json_example() {
+    OrganizationDto organization = db.organizations().insert(o -> o.setKey("my-org-1"));
+    ComponentDto project = db.components().insertPrivateProject(organization,
+      p -> p.setDbKey("com.github.kevinsawicki:http-request-parent")
+        .setName("HttpRequest"));
+    SnapshotDto analysis = db.components().insertSnapshot(project);
+    CeActivityDto activity = insertActivity("task-uuid" + counter++, project, SUCCESS, analysis, REPORT);
+    CeTaskMessageDto ceTaskMessage = new CeTaskMessageDto()
+      .setUuid("AU-Tpxb--iU5OvuD2FLy")
+      .setTaskUuid(activity.getUuid())
+      .setMessage("Property \"sonar.jacoco.reportPaths\" is no longer supported. Use JaCoCo xml report and sonar-jacoco plugin.")
+      .setDismissible(false)
+      .setCreatedAt(counter);
+    db.getDbClient().ceTaskMessageDao().insert(db.getSession(), ceTaskMessage);
+    db.commit();
+
+    userSession.addProjectPermission(UserRole.USER, project);
+
+    String result = ws.newRequest()
+      .setParam(PARAM_COMPONENT, project.getKey())
+      .execute()
+      .getInput();
+
+    assertJson(result).isSimilarTo(getClass().getResource("analysis_status-example.json"));
+  }
+
+  @Test
+  public void fail_if_component_key_not_provided() {
+    expectedException.expect(IllegalArgumentException.class);
+
+    ws.newRequest().execute();
+  }
+
+  @Test
+  public void fail_if_component_key_is_unknown() {
+    expectedException.expect(NotFoundException.class);
+
+    ws.newRequest().setParam(PARAM_COMPONENT, "nonexistent").execute();
+  }
+
+  @Test
+  public void fail_if_both_branch_and_pullRequest_are_specified() {
+    expectedException.expect(BadRequestException.class);
+
+    ws.newRequest()
+      .setParam(PARAM_COMPONENT, "dummy")
+      .setParam(PARAM_BRANCH, "feature1")
+      .setParam(PARAM_PULL_REQUEST, "pr1")
+      .execute();
+  }
+
+  private CeTaskMessageDto createTaskMessage(CeActivityDto activity, String warning) {
+    return createTaskMessage(activity, warning, false);
+  }
+
+  private CeTaskMessageDto createTaskMessage(CeActivityDto activity, String warning, boolean dismissible) {
+    CeTaskMessageDto ceTaskMessageDto = new CeTaskMessageDto()
       .setUuid("m-uuid-" + counter++)
       .setTaskUuid(activity.getUuid())
       .setMessage(warning)
-      .setCreatedAt(counter));
+      .setDismissible(dismissible)
+      .setCreatedAt(counter);
+    db.getDbClient().ceTaskMessageDao().insert(db.getSession(), ceTaskMessageDto);
     db.commit();
+    return ceTaskMessageDto;
   }
 
   private CeActivityDto insertActivity(String taskUuid, ComponentDto component, CeActivityDto.Status status, @Nullable SnapshotDto analysis, String taskType) {
diff --git a/sonar-ws/src/main/protobuf/ws-ce.proto b/sonar-ws/src/main/protobuf/ws-ce.proto
index b7938c61d53..2c083fbbec6 100644
--- a/sonar-ws/src/main/protobuf/ws-ce.proto
+++ b/sonar-ws/src/main/protobuf/ws-ce.proto
@@ -67,10 +67,16 @@ message AnalysisStatusWsResponse {
     optional string organization = 1;
     optional string key = 2;
     optional string name = 3;
-    repeated string warnings = 4;
+    repeated Warning warnings = 4;
     optional string branch = 5;
     optional string pullRequest = 6;
   }
+
+  message Warning {
+    optional string key = 1;
+    optional string message = 2;
+    optional bool dismissable = 3;
+  }
 }
 
 // GET api/ce/component