Hi, I am new to hadoop KMS and i have started KMS with hadoop. Now I try to run this curl command
*curl -i --header "Accept:application/json" -H "Content-Type:application/json" --user hdfs:hdfs -X GET http://192.168.23.199:16000/kms/v1/keys/names <http://192.168.23.199:16000/kms/v1/keys/names>* hdfs is my hadoop user and has hdfs password. *When I run this curl command I get following response* *HTTP/1.1 401 Unauthorized* *Server: Apache-Coyote/1.1* *WWW-Authenticate: PseudoAuth* *Set-Cookie: hadoop.auth=; Expires=Thu, 01-Jan-1970 00:00:00 GMT; HttpOnly* *Content-Type: text/html;charset=utf-8* *Content-Length: 997* Here are the contents of my kms-site.xml file <configuration> <property> <name>hadoop.kms.key.provider.uri</name> <value>kms://http@192.168.23.109:16000/kms</value> <description> URI of the backing KeyProvider for the KMS. </description> </property> <property> <name>hadoop.security.keystore.JavaKeyStoreProvider.password</name> <value>none</value> <description> If using the JavaKeyStoreProvider, the password for the keystore file. </description> </property> <!-- KMS Cache --> <property> <name>hadoop.kms.cache.enable</name> <value>true</value> <description> Whether the KMS will act as a cache for the backing KeyProvider. When the cache is enabled, operations like getKeyVersion, getMetadata, and getCurrentKey will sometimes return cached data without consulting the backing KeyProvider. Cached values are flushed when keys are deleted or modified. </description> </property> <property> <name>hadoop.kms.cache.timeout.ms</name> <value>600000</value> <description> Expiry time for the KMS key version and key metadata cache, in milliseconds. This affects getKeyVersion and getMetadata. </description> </property> <property> <name>hadoop.kms.current.key.cache.timeout.ms</name> <value>30000</value> <description> Expiry time for the KMS current key cache, in milliseconds. This affects getCurrentKey operations. </description> </property> <!-- KMS Audit --> <property> <name>hadoop.kms.audit.aggregation.window.ms</name> <value>10000</value> <description> Duplicate audit log events within the aggregation window (specified in ms) are quashed to reduce log traffic. A single message for aggregated events is printed at the end of the window, along with a count of the number of aggregated events. </description> </property> <!-- KMS Security --> <property> <name>hadoop.kms.authentication.type</name> <value>simple</value> <description> Authentication type for the KMS. Can be either "simple" or "kerberos". </description> </property> <property> <name>hadoop.kms.authentication.kerberos.keytab</name> <value>${user.home}/kms.keytab</value> <description> Path to the keytab with credentials for the configured Kerberos principal. </description> </property> <property> <name>hadoop.kms.authentication.kerberos.keytab</name> <value>${user.home}/kms.keytab</value> <description> Path to the keytab with credentials for the configured Kerberos principal. </description> </property> <property> <name>hadoop.kms.authentication.kerberos.principal</name> <value>HTTP/localhost</value> <description> The Kerberos principal to use for the HTTP endpoint. The principal must start with 'HTTP/' as per the Kerberos HTTP SPNEGO specification. </description> </property> <property> <name>hadoop.kms.authentication.kerberos.name.rules</name> <value>DEFAULT</value> <description> Rules used to resolve Kerberos principal names. </description> </property> <!-- Authentication cookie signature source --> <property> <name>hadoop.kms.authentication.signer.secret.provider</name> <value>random</value> <description> Indicates how the secret to sign the authentication cookies will be stored. Options are 'random' (default), 'string' and 'zookeeper'. If using a setup with multiple KMS instances, 'zookeeper' should be used. </description> </property> <!-- Configuration for 'zookeeper' authentication cookie signature source --> <property> <name>hadoop.kms.authentication.signer.secret.provider.zookeeper.path</name> <value>/hadoop-kms/hadoop-auth-signature-secret</value> <description> The Zookeeper ZNode path where the KMS instances will store and retrieve the secret from. </description> </property> <property> <name>hadoop.kms.authentication.signer.secret.provider.zookeeper.connection.string</name> <value>192.168.23.199:2181</value> <description> The Zookeeper connection string, a list of hostnames and port comma separated. </description> </property> <property> <name>hadoop.kms.authentication.signer.secret.provider.zookeeper.auth.type</name> <value>none</value> <description> The Zookeeper authentication type, 'none' or 'sasl' (Kerberos). </description> </property> <property> <name>hadoop.kms.authentication.signer.secret.provider.zookeeper.kerberos.keytab</name> <value>/etc/hadoop/conf/kms.keytab</value> <description> The absolute path for the Kerberos keytab with the credentials to connect to Zookeeper. </description> </property> <property> <name>hadoop.kms.authentication.signer.secret.provider.zookeeper.kerberos.principal</name> <value>kms/#HOSTNAME#</value> <description> The Kerberos service principal used to connect to Zookeeper. </description> </property> </configuration>