HDDS-858. Start a Standalone Ratis Server on OM
This commit is contained in:
Hanisha Koneru
parent
8d882c3786
commit
019836b113
@ -1412,7 +1412,103 @@
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<value>1MB</value>
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<tag>OZONE, CLIENT, MANAGEMENT</tag>
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<description>Checksum will be computed for every bytes per checksum number
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of bytes and stored sequentially.
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of bytes and stored sequentially. The minimum value for this config is
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256KB.
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</description>
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</property>
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<property>
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<name>ozone.om.ratis.enable</name>
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<value>false</value>
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<tag>OZONE, OM, RATIS, MANAGEMENT</tag>
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<description>Property to enable or disable Ratis server on OM.
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Please note - this is a temporary property to disable OM Ratis server.
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</description>
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</property>
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<property>
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<name>ozone.om.ratis.port</name>
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<value>9872</value>
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<tag>OZONE, OM, RATIS</tag>
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<description>
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The port number of the OzoneManager's Ratis server.
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</description>
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</property>
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<property>
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<name>ozone.om.ratis.random.port</name>
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<value>false</value>
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<tag>OZONE, OM, RATIS, DEBUG</tag>
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<description>Allocates a random free port for OM's Ratis server. This is
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used only while running unit tests.
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</description>
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</property>
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<property>
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<name>ozone.om.ratis.rpc.type</name>
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<value>GRPC</value>
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<tag>OZONE, OM, RATIS, MANAGEMENT</tag>
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<description>Ratis supports different kinds of transports like netty, GRPC,
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Hadoop RPC etc. This picks one of those for this cluster.
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</description>
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</property>
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<property>
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<name>ozone.om.ratis.storage.dir</name>
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<value/>
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<tag>OZONE, OM, STORAGE, MANAGEMENT, RATIS</tag>
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<description>This directory is used for storing OM's Ratis metadata like
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logs. If this is not set then default metadata dirs is used. A warning
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will be logged if this not set. Ideally, this should be mapped to a
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fast disk like an SSD.
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</description>
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</property>
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<property>
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<name>ozone.om.ratis.segment.size</name>
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<value>16KB</value>
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<tag>OZONE, OM, RATIS, PERFORMANCE</tag>
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<description>The size of the raft segment used by Apache Ratis on OM.
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(16 KB by default)
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</description>
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</property>
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<property>
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<name>ozone.om.ratis.segment.preallocated.size</name>
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<value>128MB</value>
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<tag>OZONE, OM, RATIS, PERFORMANCE</tag>
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<description>The size of the buffer which is preallocated for raft segment
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used by Apache Ratis on OM.(128 MB by default)
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</description>
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</property>
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<property>
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<name>ozone.om.ratis.server.request.timeout</name>
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<value>3s</value>
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<tag>OZONE, OM, RATIS, MANAGEMENT</tag>
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<description>The timeout duration for OM's ratis server request .</description>
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</property>
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<property>
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<name>ozone.om.ratis.server.retry.cache.timeout</name>
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<value>600000ms</value>
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<tag>OZONE, OM, RATIS, MANAGEMENT</tag>
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<description>Retry Cache entry timeout for OM's ratis server.</description>
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</property>
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<property>
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<name>ozone.om.ratis.minimum.timeout</name>
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<value>1s</value>
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<tag>OZONE, OM, RATIS, MANAGEMENT</tag>
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<description>The minimum timeout duration for OM's Ratis server rpc.
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</description>
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</property>
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<property>
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<name>ozone.om.ratis.client.request.timeout</name>
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<value>3s</value>
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<tag>OZONE, OM, RATIS, MANAGEMENT</tag>
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<description>The timeout duration for OM Ratis client request.
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</description>
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</property>
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@ -337,13 +337,16 @@ public static String getOzoneDatanodeRatisDirectory(Configuration conf) {
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OzoneConfigKeys.DFS_CONTAINER_RATIS_DATANODE_STORAGE_DIR);
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if (Strings.isNullOrEmpty(storageDir)) {
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LOG.warn("Storage directory for Ratis is not configured." +
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"Mapping Ratis storage under {}. It is a good idea " +
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"to map this to an SSD disk. Falling back to {}",
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storageDir, HddsConfigKeys.OZONE_METADATA_DIRS);
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File metaDirPath = ServerUtils.getOzoneMetaDirPath(conf);
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storageDir = (new File (metaDirPath, "ratis")).getPath();
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storageDir = getDefaultRatisDirectory(conf);
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}
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return storageDir;
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}
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public static String getDefaultRatisDirectory(Configuration conf) {
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LOG.warn("Storage directory for Ratis is not configured. It is a good " +
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"idea to map this to an SSD disk. Falling back to {}",
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HddsConfigKeys.OZONE_METADATA_DIRS);
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File metaDirPath = ServerUtils.getOzoneMetaDirPath(conf);
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return (new File(metaDirPath, "ratis")).getPath();
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}
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}
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@ -17,7 +17,10 @@
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package org.apache.hadoop.ozone.om;
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import java.util.concurrent.TimeUnit;
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import org.apache.hadoop.ozone.OzoneAcl;
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import org.apache.ratis.util.TimeDuration;
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/**
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* Ozone Manager Constants.
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@ -86,4 +89,61 @@ private OMConfigKeys() {
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public static final String OZONE_OM_METRICS_SAVE_INTERVAL =
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"ozone.om.save.metrics.interval";
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public static final String OZONE_OM_METRICS_SAVE_INTERVAL_DEFAULT = "5m";
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/**
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* OM Ratis related configurations.
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*/
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public static final String OZONE_OM_RATIS_ENABLE_KEY
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= "ozone.om.ratis.enable";
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public static final boolean OZONE_OM_RATIS_ENABLE_DEFAULT
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= false;
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public static final String OZONE_OM_RATIS_PORT_KEY
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= "ozone.om.ratis.port";
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public static final int OZONE_OM_RATIS_PORT_DEFAULT
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= 9872;
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// When set to true, allocate a random free port for ozone ratis server
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public static final String OZONE_OM_RATIS_RANDOM_PORT_KEY =
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"ozone.om.ratis.random.port";
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public static final boolean OZONE_OM_RATIS_RANDOM_PORT_KEY_DEFAULT
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= false;
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public static final String OZONE_OM_RATIS_RPC_TYPE_KEY
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= "ozone.om.ratis.rpc.type";
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public static final String OZONE_OM_RATIS_RPC_TYPE_DEFAULT
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= "GRPC";
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// OM Ratis Log configurations
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public static final String OZONE_OM_RATIS_STORAGE_DIR
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= "ozone.om.ratis.storage.dir";
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public static final String OZONE_OM_RATIS_SEGMENT_SIZE_KEY
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= "ozone.om.ratis.segment.size";
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public static final String OZONE_OM_RATIS_SEGMENT_SIZE_DEFAULT
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= "16KB";
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public static final String OZONE_OM_RATIS_SEGMENT_PREALLOCATED_SIZE_KEY
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= "ozone.om.ratis.segment.preallocated.size";
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public static final String OZONE_OM_RATIS_SEGMENT_PREALLOCATED_SIZE_DEFAULT
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= "128MB";
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// OM Ratis server configurations
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public static final String OZONE_OM_RATIS_SERVER_REQUEST_TIMEOUT_KEY
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= "ozone.om.ratis.server.request.timeout";
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public static final TimeDuration
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OZONE_OM_RATIS_SERVER_REQUEST_TIMEOUT_DEFAULT
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= TimeDuration.valueOf(3000, TimeUnit.MILLISECONDS);
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public static final String
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OZONE_OM_RATIS_SERVER_RETRY_CACHE_TIMEOUT_KEY
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= "ozone.om.ratis.server.retry.cache.timeout";
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public static final TimeDuration
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OZONE_OM_RATIS_SERVER_RETRY_CACHE_TIMEOUT_DEFAULT
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= TimeDuration.valueOf(600000, TimeUnit.MILLISECONDS);
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public static final String OZONE_OM_RATIS_MINIMUM_TIMEOUT_KEY
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= "ozone.om.ratis.minimum.timeout";
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public static final TimeDuration OZONE_OM_RATIS_MINIMUM_TIMEOUT_DEFAULT
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= TimeDuration.valueOf(1, TimeUnit.SECONDS);
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// OM Ratis client configurations
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public static final String OZONE_OM_RATIS_CLIENT_REQUEST_TIMEOUT_KEY
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= "ozone.om.ratis.client.request.timeout";
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public static final TimeDuration
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OZONE_OM_RATIS_CLIENT_REQUEST_TIMEOUT_DEFAULT
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= TimeDuration.valueOf(3000, TimeUnit.MILLISECONDS);
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}
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@ -62,6 +62,7 @@
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import org.apache.hadoop.utils.db.Table;
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import org.apache.hadoop.utils.db.Table.KeyValue;
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import org.apache.hadoop.utils.db.TableIterator;
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import org.apache.ratis.util.LifeCycle;
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import org.junit.AfterClass;
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import org.junit.Assert;
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import org.junit.BeforeClass;
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@ -1368,4 +1369,25 @@ public void testGetServiceList() throws IOException {
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Assert.assertEquals(NetUtils.createSocketAddr(
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conf.get(OZONE_SCM_CLIENT_ADDRESS_KEY)), scmAddress);
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}
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/**
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* Test that OM Ratis server is started only when OZONE_OM_RATIS_ENABLE_KEY is
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* set to true.
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*/
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@Test
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public void testRatsiServerOnOmInitialization() throws IOException {
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// OM Ratis server should not be started when OZONE_OM_RATIS_ENABLE_KEY
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// is not set to true
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Assert.assertNull("OM Ratis server started though OM Ratis is disabled.",
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cluster.getOzoneManager().getOmRatisServerState());
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// Enable OM Ratis and restart OM
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conf.setBoolean(OMConfigKeys.OZONE_OM_RATIS_ENABLE_KEY, true);
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cluster.restartOzoneManager();
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// On enabling OM Ratis, the Ratis server should be started
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Assert.assertEquals("OM Ratis server did not start",
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LifeCycle.State.RUNNING,
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cluster.getOzoneManager().getOmRatisServerState());
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}
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}
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@ -66,6 +66,7 @@
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import org.apache.hadoop.ozone.om.helpers.ServiceInfo;
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import org.apache.hadoop.ozone.om.protocol.OzoneManagerProtocol;
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import org.apache.hadoop.ozone.om.protocolPB.OzoneManagerProtocolPB;
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import org.apache.hadoop.ozone.om.ratis.OzoneManagerRatisServer;
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import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos.OzoneAclInfo;
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import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos.ServicePort;
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import org.apache.hadoop.ozone.protocolPB.OzoneManagerProtocolServerSideTranslatorPB;
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@ -73,6 +74,7 @@
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import org.apache.hadoop.util.GenericOptionsParser;
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import org.apache.hadoop.util.ShutdownHookManager;
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import org.apache.hadoop.util.StringUtils;
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import org.apache.ratis.util.LifeCycle;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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@ -136,6 +138,7 @@ public final class OzoneManager extends ServiceRuntimeInfoImpl
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private final OzoneConfiguration configuration;
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private RPC.Server omRpcServer;
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private InetSocketAddress omRpcAddress;
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private OzoneManagerRatisServer omRatisServer;
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private final OMMetadataManager metadataManager;
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private final VolumeManager volumeManager;
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private final BucketManager bucketManager;
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@ -509,6 +512,15 @@ public OMStorage getOmStorage() {
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return omStorage;
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}
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@VisibleForTesting
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public LifeCycle.State getOmRatisServerState() {
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if (omRatisServer == null) {
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return null;
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} else {
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return omRatisServer.getServerState();
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}
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}
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/**
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* Get metadata manager.
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*
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@ -542,6 +554,22 @@ public void start() throws IOException {
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LOG.info(buildRpcServerStartMessage("OzoneManager RPC server",
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omRpcAddress));
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boolean omRatisEnabled = configuration.getBoolean(
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OMConfigKeys.OZONE_OM_RATIS_ENABLE_KEY,
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OMConfigKeys.OZONE_OM_RATIS_ENABLE_DEFAULT);
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// This is a temporary check. Once fully implemented, all OM state change
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// should go through Ratis, either standalone (for non-HA) or replicated
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// (for HA).
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if (omRatisEnabled) {
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omRatisServer = OzoneManagerRatisServer.newOMRatisServer(
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omStorage.getOmId(), configuration);
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omRatisServer.start();
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LOG.info("OzoneManager Ratis server started at port {}",
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omRatisServer.getServerPort());
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} else {
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omRatisServer = null;
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}
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DefaultMetricsSystem.initialize("OzoneManager");
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@ -584,6 +612,9 @@ public void stop() {
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metricsTimer = null;
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scheduleOMMetricsWriteTask = null;
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omRpcServer.stop();
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if (omRatisServer != null) {
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omRatisServer.stop();
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}
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keyManager.stop();
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httpServer.stop();
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metadataManager.stop();
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@ -0,0 +1,271 @@
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.hadoop.ozone.om.ratis;
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import com.google.common.annotations.VisibleForTesting;
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import com.google.common.base.Strings;
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import java.io.File;
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import java.io.IOException;
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import java.net.InetSocketAddress;
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import java.net.ServerSocket;
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import java.net.SocketAddress;
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import java.util.Collections;
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import java.util.Objects;
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import java.util.concurrent.TimeUnit;
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import org.apache.hadoop.conf.Configuration;
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import org.apache.hadoop.conf.StorageUnit;
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import org.apache.hadoop.hdds.scm.HddsServerUtil;
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import org.apache.hadoop.ozone.om.OMConfigKeys;
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import org.apache.ratis.RaftConfigKeys;
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import org.apache.ratis.client.RaftClientConfigKeys;
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import org.apache.ratis.conf.RaftProperties;
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import org.apache.ratis.grpc.GrpcConfigKeys;
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import org.apache.ratis.netty.NettyConfigKeys;
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import org.apache.ratis.protocol.RaftGroupId;
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import org.apache.ratis.protocol.RaftPeerId;
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import org.apache.ratis.rpc.RpcType;
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import org.apache.ratis.rpc.SupportedRpcType;
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import org.apache.ratis.server.RaftServer;
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import org.apache.ratis.server.RaftServerConfigKeys;
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import org.apache.ratis.statemachine.impl.BaseStateMachine;
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import org.apache.ratis.util.LifeCycle;
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import org.apache.ratis.util.SizeInBytes;
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import org.apache.ratis.util.TimeDuration;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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/**
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* Creates a Ratis server endpoint for OM.
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*/
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public final class OzoneManagerRatisServer {
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private static final Logger LOG = LoggerFactory
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.getLogger(OzoneManagerRatisServer.class);
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private final int port;
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private final RaftServer server;
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private OzoneManagerRatisServer(String omId, int port, Configuration conf)
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throws IOException {
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Objects.requireNonNull(omId, "omId == null");
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this.port = port;
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RaftProperties serverProperties = newRaftProperties(conf);
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this.server = RaftServer.newBuilder()
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.setServerId(RaftPeerId.valueOf(omId))
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.setProperties(serverProperties)
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.setStateMachineRegistry(this::getStateMachine)
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.build();
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}
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public static OzoneManagerRatisServer newOMRatisServer(String omId,
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Configuration ozoneConf) throws IOException {
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int localPort = ozoneConf.getInt(
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OMConfigKeys.OZONE_OM_RATIS_PORT_KEY,
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OMConfigKeys.OZONE_OM_RATIS_PORT_DEFAULT);
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// Get an available port on current node and
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// use that as the container port
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if (ozoneConf.getBoolean(
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OMConfigKeys.OZONE_OM_RATIS_RANDOM_PORT_KEY,
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OMConfigKeys.OZONE_OM_RATIS_RANDOM_PORT_KEY_DEFAULT)) {
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try (ServerSocket socket = new ServerSocket()) {
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socket.setReuseAddress(true);
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SocketAddress address = new InetSocketAddress(0);
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socket.bind(address);
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localPort = socket.getLocalPort();
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LOG.info("Found a free port for the OM Ratis server : {}", localPort);
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} catch (IOException e) {
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LOG.error("Unable find a random free port for the server, "
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+ "fallback to use default port {}", localPort, e);
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}
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}
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return new OzoneManagerRatisServer(omId, localPort, ozoneConf);
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}
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/**
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* Return a dummy StateMachine.
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* TODO: Implement a state machine on OM.
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*/
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private BaseStateMachine getStateMachine(RaftGroupId gid) {
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return new BaseStateMachine();
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}
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public void start() throws IOException {
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LOG.info("Starting {} {} at port {}", getClass().getSimpleName(),
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server.getId(), port);
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server.start();
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}
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public void stop() {
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try {
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server.close();
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} catch (IOException e) {
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throw new RuntimeException(e);
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}
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}
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private RaftProperties newRaftProperties(Configuration conf) {
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||||
final RaftProperties properties = new RaftProperties();
|
||||
|
||||
// Set RPC type
|
||||
final String rpcType = conf.get(
|
||||
OMConfigKeys.OZONE_OM_RATIS_RPC_TYPE_KEY,
|
||||
OMConfigKeys.OZONE_OM_RATIS_RPC_TYPE_DEFAULT);
|
||||
final RpcType rpc = SupportedRpcType.valueOfIgnoreCase(rpcType);
|
||||
RaftConfigKeys.Rpc.setType(properties, rpc);
|
||||
|
||||
// Set the ratis port number
|
||||
if (rpc == SupportedRpcType.GRPC) {
|
||||
GrpcConfigKeys.Server.setPort(properties, port);
|
||||
} else if (rpc == SupportedRpcType.NETTY) {
|
||||
NettyConfigKeys.Server.setPort(properties, port);
|
||||
}
|
||||
|
||||
// Set Ratis storage directory
|
||||
String storageDir = getOMRatisDirectory(conf);
|
||||
RaftServerConfigKeys.setStorageDirs(properties,
|
||||
Collections.singletonList(new File(storageDir)));
|
||||
|
||||
// Set RAFT segment size
|
||||
final int raftSegmentSize = (int) conf.getStorageSize(
|
||||
OMConfigKeys.OZONE_OM_RATIS_SEGMENT_SIZE_KEY,
|
||||
OMConfigKeys.OZONE_OM_RATIS_SEGMENT_SIZE_DEFAULT,
|
||||
StorageUnit.BYTES);
|
||||
RaftServerConfigKeys.Log.setSegmentSizeMax(properties,
|
||||
SizeInBytes.valueOf(raftSegmentSize));
|
||||
|
||||
// Set RAFT segment pre-allocated size
|
||||
final int raftSegmentPreallocatedSize = (int) conf.getStorageSize(
|
||||
OMConfigKeys.OZONE_OM_RATIS_SEGMENT_PREALLOCATED_SIZE_KEY,
|
||||
OMConfigKeys.OZONE_OM_RATIS_SEGMENT_PREALLOCATED_SIZE_DEFAULT,
|
||||
StorageUnit.BYTES);
|
||||
RaftServerConfigKeys.Log.Appender.setBufferCapacity(properties,
|
||||
SizeInBytes.valueOf(raftSegmentPreallocatedSize));
|
||||
RaftServerConfigKeys.Log.setPreallocatedSize(properties,
|
||||
SizeInBytes.valueOf(raftSegmentPreallocatedSize));
|
||||
|
||||
// For grpc set the maximum message size
|
||||
// TODO: calculate the max message size based on the max size of a
|
||||
// PutSmallFileRequest's file size limit
|
||||
GrpcConfigKeys.setMessageSizeMax(properties,
|
||||
SizeInBytes.valueOf(raftSegmentPreallocatedSize));
|
||||
|
||||
// Set the server request timeout
|
||||
TimeUnit serverRequestTimeoutUnit =
|
||||
OMConfigKeys.OZONE_OM_RATIS_SERVER_REQUEST_TIMEOUT_DEFAULT.getUnit();
|
||||
long serverRequestTimeoutDuration = conf.getTimeDuration(
|
||||
OMConfigKeys.OZONE_OM_RATIS_SERVER_REQUEST_TIMEOUT_KEY,
|
||||
OMConfigKeys.OZONE_OM_RATIS_SERVER_REQUEST_TIMEOUT_DEFAULT
|
||||
.getDuration(), serverRequestTimeoutUnit);
|
||||
final TimeDuration serverRequestTimeout = TimeDuration.valueOf(
|
||||
serverRequestTimeoutDuration, serverRequestTimeoutUnit);
|
||||
RaftServerConfigKeys.Rpc.setRequestTimeout(properties,
|
||||
serverRequestTimeout);
|
||||
|
||||
// Set timeout for server retry cache entry
|
||||
TimeUnit retryCacheTimeoutUnit = OMConfigKeys
|
||||
.OZONE_OM_RATIS_SERVER_RETRY_CACHE_TIMEOUT_DEFAULT.getUnit();
|
||||
long retryCacheTimeoutDuration = conf.getTimeDuration(
|
||||
OMConfigKeys.OZONE_OM_RATIS_SERVER_RETRY_CACHE_TIMEOUT_KEY,
|
||||
OMConfigKeys.OZONE_OM_RATIS_SERVER_RETRY_CACHE_TIMEOUT_DEFAULT
|
||||
.getDuration(), retryCacheTimeoutUnit);
|
||||
final TimeDuration retryCacheTimeout = TimeDuration.valueOf(
|
||||
retryCacheTimeoutDuration, retryCacheTimeoutUnit);
|
||||
RaftServerConfigKeys.RetryCache
|
||||
.setExpiryTime(properties, retryCacheTimeout);
|
||||
|
||||
// Set the server min and max timeout
|
||||
TimeUnit serverMinTimeoutUnit =
|
||||
OMConfigKeys.OZONE_OM_RATIS_MINIMUM_TIMEOUT_DEFAULT.getUnit();
|
||||
long serverMinTimeoutDuration = conf.getTimeDuration(
|
||||
OMConfigKeys.OZONE_OM_RATIS_MINIMUM_TIMEOUT_KEY,
|
||||
OMConfigKeys.OZONE_OM_RATIS_MINIMUM_TIMEOUT_DEFAULT
|
||||
.getDuration(), serverMinTimeoutUnit);
|
||||
final TimeDuration serverMinTimeout = TimeDuration.valueOf(
|
||||
serverMinTimeoutDuration, serverMinTimeoutUnit);
|
||||
long serverMaxTimeoutDuration =
|
||||
serverMinTimeout.toLong(TimeUnit.MILLISECONDS) + 200;
|
||||
final TimeDuration serverMaxTimeout = TimeDuration.valueOf(
|
||||
serverMaxTimeoutDuration, serverMinTimeoutUnit);
|
||||
RaftServerConfigKeys.Rpc.setTimeoutMin(properties,
|
||||
serverMinTimeout);
|
||||
RaftServerConfigKeys.Rpc.setTimeoutMax(properties,
|
||||
serverMaxTimeout);
|
||||
|
||||
// Enable batch append on raft server
|
||||
RaftServerConfigKeys.Log.Appender.setBatchEnabled(properties, true);
|
||||
|
||||
// Set the number of maximum cached segments
|
||||
RaftServerConfigKeys.Log.setMaxCachedSegmentNum(properties, 2);
|
||||
|
||||
// Set the client request timeout
|
||||
TimeUnit clientRequestTimeoutUnit =
|
||||
OMConfigKeys.OZONE_OM_RATIS_CLIENT_REQUEST_TIMEOUT_DEFAULT.getUnit();
|
||||
long clientRequestTimeoutDuration = conf.getTimeDuration(
|
||||
OMConfigKeys.OZONE_OM_RATIS_CLIENT_REQUEST_TIMEOUT_KEY,
|
||||
OMConfigKeys.OZONE_OM_RATIS_CLIENT_REQUEST_TIMEOUT_DEFAULT
|
||||
.getDuration(), clientRequestTimeoutUnit);
|
||||
final TimeDuration clientRequestTimeout = TimeDuration.valueOf(
|
||||
clientRequestTimeoutDuration, clientRequestTimeoutUnit);
|
||||
RaftClientConfigKeys.Rpc.setRequestTimeout(properties,
|
||||
clientRequestTimeout);
|
||||
|
||||
// TODO: set max write buffer size
|
||||
|
||||
/**
|
||||
* TODO: when state machine is implemented, enable StateMachineData sync
|
||||
* and set sync timeout and number of sync retries.
|
||||
*/
|
||||
|
||||
/**
|
||||
* TODO: set following ratis leader election related configs when
|
||||
* replicated ratis server is implemented.
|
||||
* 1. leader election timeout
|
||||
* 2. node failure timeout
|
||||
* 3.
|
||||
*/
|
||||
|
||||
/**
|
||||
* TODO: when ratis snapshots are implemented, set snapshot threshold and
|
||||
* queue size.
|
||||
*/
|
||||
|
||||
return properties;
|
||||
}
|
||||
|
||||
public int getServerPort() {
|
||||
return port;
|
||||
}
|
||||
|
||||
@VisibleForTesting
|
||||
public LifeCycle.State getServerState() {
|
||||
return server.getLifeCycleState();
|
||||
}
|
||||
|
||||
public static String getOMRatisDirectory(Configuration conf) {
|
||||
String storageDir = conf.get(OMConfigKeys.OZONE_OM_RATIS_STORAGE_DIR);
|
||||
|
||||
if (Strings.isNullOrEmpty(storageDir)) {
|
||||
storageDir = HddsServerUtil.getDefaultRatisDirectory(conf);
|
||||
}
|
||||
return storageDir;
|
||||
}
|
||||
|
||||
}
|
||||
@ -0,0 +1,22 @@
|
||||
/**
|
||||
* 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.hadoop.ozone.om.ratis;
|
||||
|
||||
/**
|
||||
* This package contains classes for the OM Ratis server implementation.
|
||||
*/
|
||||
@ -0,0 +1,69 @@
|
||||
/*
|
||||
* 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.hadoop.ozone.om.ratis;
|
||||
|
||||
import java.nio.file.Path;
|
||||
import java.nio.file.Paths;
|
||||
import java.util.UUID;
|
||||
import org.apache.hadoop.conf.Configuration;
|
||||
import org.apache.hadoop.hdds.HddsConfigKeys;
|
||||
import org.apache.hadoop.hdds.conf.OzoneConfiguration;
|
||||
import org.apache.hadoop.test.GenericTestUtils;
|
||||
import org.apache.ratis.util.LifeCycle;
|
||||
import org.junit.After;
|
||||
import org.junit.Assert;
|
||||
import org.junit.Before;
|
||||
import org.junit.Test;
|
||||
|
||||
/**
|
||||
* Test OM Ratis server.
|
||||
*/
|
||||
public class TestOzoneManagerRatisServer {
|
||||
|
||||
private Configuration conf;
|
||||
private OzoneManagerRatisServer omRatisServer;
|
||||
private String omID;
|
||||
|
||||
@Before
|
||||
public void init() {
|
||||
conf = new OzoneConfiguration();
|
||||
omID = UUID.randomUUID().toString();
|
||||
final String path = GenericTestUtils.getTempPath(omID);
|
||||
Path metaDirPath = Paths.get(path, "om-meta");
|
||||
conf.set(HddsConfigKeys.OZONE_METADATA_DIRS, metaDirPath.toString());
|
||||
}
|
||||
|
||||
@After
|
||||
public void shutdown() {
|
||||
if (omRatisServer != null) {
|
||||
omRatisServer.stop();
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Start a OM Ratis Server and checks its state.
|
||||
*/
|
||||
@Test
|
||||
public void testStartOMRatisServer() throws Exception {
|
||||
omRatisServer = OzoneManagerRatisServer.newOMRatisServer(omID, conf);
|
||||
omRatisServer.start();
|
||||
Assert.assertEquals("Ratis Server should be in running state",
|
||||
LifeCycle.State.RUNNING, omRatisServer.getServerState());
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user