Ethan Rose created HDDS-13101:
---------------------------------
Summary: Duplicate information in datanode list output
Key: HDDS-13101
URL: https://issues.apache.org/jira/browse/HDDS-13101
Project: Apache Ozone
Issue Type: Sub-task
Reporter: Ethan Rose
Each datanode shown in {{ozone admin datanode list --json}} contains lots of
duplicate information. This makes the list output verbose and hard to read when
there are lots of nodes. We should include only minimal information about each
node in the list output, save more verbose info for {{ozone admin datanode
info}}, and not have duplicate information for in any command output. Here is
the output for one node:
{code}
[ {
"datanodeDetails" : {
"level" : 3,
"cost" : 0,
"id" : {
"uuid" : "f4e6316f-a5a4-47d4-9bd7-c47253c23d6e",
"id" : "f4e6316f-a5a4-47d4-9bd7-c47253c23d6e",
"byteString" : {
"validUtf8" : true,
"empty" : false
}
},
"ipAddress" : "172.20.0.6",
"hostName" : "ozone-datanode-1.ozone_default",
"ports" : [ {
"name" : "HTTP",
"value" : 9882
}, {
"name" : "CLIENT_RPC",
"value" : 19864
}, {
"name" : "REPLICATION",
"value" : 9886
}, {
"name" : "RATIS",
"value" : 9858
}, {
"name" : "RATIS_ADMIN",
"value" : 9857
}, {
"name" : "RATIS_SERVER",
"value" : 9856
}, {
"name" : "RATIS_DATASTREAM",
"value" : 9855
}, {
"name" : "STANDALONE",
"value" : 9859
} ],
"setupTime" : 0,
"persistedOpState" : "IN_SERVICE",
"persistedOpStateExpiryEpochSec" : 0,
"initialVersion" : 0,
"currentVersion" : 2,
"uuid" : "f4e6316f-a5a4-47d4-9bd7-c47253c23d6e",
"uuidString" : "f4e6316f-a5a4-47d4-9bd7-c47253c23d6e",
"ipAddressAsByteString" : {
"string" : "172.20.0.6",
"bytes" : {
"validUtf8" : true,
"empty" : false
}
},
"hostNameAsByteString" : {
"string" : "ozone-datanode-1.ozone_default",
"bytes" : {
"validUtf8" : true,
"empty" : false
}
},
"ratisPort" : {
"name" : "RATIS",
"value" : 9858
},
"standalonePort" : {
"name" : "STANDALONE",
"value" : 9859
},
"decommissioned" : false,
"maintenance" : false,
"networkLocation" : "/default-rack",
"networkName" : "f4e6316f-a5a4-47d4-9bd7-c47253c23d6e",
"networkLocationAsByteString" : {
"string" : "/default-rack",
"bytes" : {
"validUtf8" : true,
"empty" : false
}
},
"networkNameAsByteString" : {
"string" : "f4e6316f-a5a4-47d4-9bd7-c47253c23d6e",
"bytes" : {
"validUtf8" : true,
"empty" : false
}
},
"networkFullPath" : "/default-rack/f4e6316f-a5a4-47d4-9bd7-c47253c23d6e",
"numOfLeaves" : 1
},
"healthState" : "HEALTHY",
"opState" : "IN_SERVICE"
} ]
{code}
Some of the issues here are:
* {{initialVersion}} is for testing only
* ID and UUID is duplicated four times in various formats
* IP and hostnames are duplicated
* Ratis and standalone ports are duplicated
* Operational state is duplicated as {{opState}} and {{persistedOpState}}
* SCM doesn't populate the value of {{setupTime}}, only datanodes set this when
they start, so it is always 0.
* Level and cost should be moved to a dedicated topology section because the
terms are ambiguous on their own.
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