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The following commit(s) were added to refs/heads/master by this push:
new c4303e2 ZOOKEEPER-3255: Add a banner to make the startup of zk server
more cool
c4303e2 is described below
commit c4303e2ff6781b030ab84d94a30494a4048dc6a0
Author: maoling <[email protected]>
AuthorDate: Sun Mar 3 23:07:00 2019 -0800
ZOOKEEPER-3255: Add a banner to make the startup of zk server more cool
- the best time to print that banner is just before printing the server
env,which has any intrude into the main logic.
- the generated tool is supported by
[this](http://patorjk.com/software/taag/#p=display&h=0&v=3&f=Big&t=Spring)
- the test evidence is attached as the
[jira](https://issues.apache.org/jira/browse/ZOOKEEPER-3255) pictures.
- apply this patch,restart your zk server ,and enjoy it!
Author: maoling <[email protected]>
Reviewers: [email protected], [email protected], [email protected]
Closes #786 from maoling/ZOOKEEPER-3255
---
.../java/org/apache/zookeeper/ZookeeperBanner.java | 46 ++++++++++++++++++++++
.../apache/zookeeper/server/ZooKeeperServer.java | 3 ++
2 files changed, 49 insertions(+)
diff --git
a/zookeeper-server/src/main/java/org/apache/zookeeper/ZookeeperBanner.java
b/zookeeper-server/src/main/java/org/apache/zookeeper/ZookeeperBanner.java
new file mode 100644
index 0000000..75b6a9f
--- /dev/null
+++ b/zookeeper-server/src/main/java/org/apache/zookeeper/ZookeeperBanner.java
@@ -0,0 +1,46 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.zookeeper;
+
+import org.slf4j.Logger;
+
+/**
+ * ZookeeperBanner which writes the 'Zookeeper' banner at the start of zk
server.
+ *
+ */
+public class ZookeeperBanner {
+
+ private static final String[] BANNER = {"",
+ " ______ _
",
+ " |___ / | |
",
+ " / / ___ ___ | | __ ___ ___ _ __ ___ _
__ ",
+ " / / / _ \\ / _ \\ | |/ / / _ \\ / _ \\ | '_ \\ / _
\\ | '__|",
+ " / /__ | (_) | | (_) | | < | __/ | __/ | |_) | | __/ | |
" ,
+ " /_____| \\___/ \\___/ |_|\\_\\ \\___| \\___| | .__/
\\___| |_|",
+ " | |
" ,
+ " |_|
",
+ ""
+ };
+
+ public static void printBanner(Logger log) {
+ for (String line : BANNER) {
+ log.info(line);
+ }
+ }
+}
diff --git
a/zookeeper-server/src/main/java/org/apache/zookeeper/server/ZooKeeperServer.java
b/zookeeper-server/src/main/java/org/apache/zookeeper/server/ZooKeeperServer.java
index b14d1e6..01f5f9a 100644
---
a/zookeeper-server/src/main/java/org/apache/zookeeper/server/ZooKeeperServer.java
+++
b/zookeeper-server/src/main/java/org/apache/zookeeper/server/ZooKeeperServer.java
@@ -48,6 +48,7 @@ import org.apache.zookeeper.KeeperException;
import org.apache.zookeeper.KeeperException.Code;
import org.apache.zookeeper.KeeperException.SessionExpiredException;
import org.apache.zookeeper.ZooDefs.OpCode;
+import org.apache.zookeeper.ZookeeperBanner;
import org.apache.zookeeper.common.Time;
import org.apache.zookeeper.data.ACL;
import org.apache.zookeeper.data.Id;
@@ -91,6 +92,8 @@ public class ZooKeeperServer implements SessionExpirer,
ServerStats.Provider {
static {
LOG = LoggerFactory.getLogger(ZooKeeperServer.class);
+ ZookeeperBanner.printBanner(LOG);
+
Environment.logEnv("Server environment:", LOG);
}
