John Speidel created AMBARI-11266:
-------------------------------------
Summary: Blueprint API: Move host_count and host_predicate fields
up one level
Key: AMBARI-11266
URL: https://issues.apache.org/jira/browse/AMBARI-11266
Project: Ambari
Issue Type: Task
Components: blueprints
Affects Versions: 2.1.0
Reporter: John Speidel
Assignee: John Speidel
Fix For: 2.1.0
Recently, during 2.1 development, API additions were made that allow a host
count and host predicate to be specified for blueprint provision and scaling
requests.
The additions are documented in the Apache Jira:
https://issues.apache.org/jira/browse/AMBARI-10750
After some consideration and discussion, it has become clear that the
host_count and host_predicate fields need to move up one level form their
current location under hosts. Only explicitly specified hosts will be
contained within "hosts".
For example:
{code}
{
"blueprint" : "bp1",
"host_groups" :[
{
"name" : "master",
"hosts" : [
{
"fqdn" : "john2.novalocal"
}
]
},
{
"name" : "slave",
"host_count" : "5",
"host_predicate" : "Hosts/cpu_count>1"
}
]
}
{code}
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