| { |
| "stack":{ |
| "comment":"Stack Definition defines where the artifacts need to be fetched from.""name":"hdp-1.0.1", |
| "services":{ |
| "hadoop":{ |
| "version":1.0 |
| } |
| "oozie":{ |
| "version":1.1 |
| } |
| } |
| "repository":{ |
| "comment":"Could be winpkg/tarball/others""type":yum, |
| "info":{ |
| "key_1":"value_1", |
| "url":"url" |
| } |
| } |
| }, |
| "hosts":[ |
| "comment":"This can also be thought of as representation of hosts eg. small/medium/large""host_1", |
| "host_2" |
| ], |
| "configuration":{ |
| "hadoop-env":{ |
| "HADOOP_CONF_DIR":"/etc/hadoop", |
| "HADOOP_NAMENODE_OPTS":"-Dsecurity.audit.logger=INFO,DRFAS -Dhdfs.audit.logger=INFO,DRFAAUDIT", |
| "HADOOP_CLIENT_OPTS":"-Xmx128m" |
| }, |
| "core-site":{ |
| "fs.default.name":"hdfs://${namenode}:8020/", |
| "hadoop.tmp.dir":"/grid/0/hadoop/tmp", |
| "!hadoop.security.authentication":"kerberos", |
| |
| } |
| }, |
| "services":{ |
| "comment":"Spec for which services need to be configured for a cluster and also service config properties", |
| "hdfs":{ |
| "enabled":true, |
| "user":"hdfs" |
| } |
| "mapred":{ |
| "user":"mapred", |
| "enabled":false |
| } |
| }, |
| "roles":{ |
| "comment_1":"Configuration knobs that are host specific", |
| "comment_2":"Also the host role mapping here can just be mapping to ec2/azure instance of small/large", |
| "namenode":{ |
| "host":"host_1", |
| "configuration":{ |
| "hdfs-site":{ |
| "dfs.https.enable":"true" |
| } |
| } |
| } |
| } |
| } |
