Eric Feng created YARN-5518:
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Summary: add HTTP_AND_HTTPS policy support in WebApps
Key: YARN-5518
URL: https://issues.apache.org/jira/browse/YARN-5518
Project: Hadoop YARN
Issue Type: Improvement
Components: api, resourcemanager, webapp
Reporter: Eric Feng
Currently WebApps/WebServers in Hadoop only support HTTP_ONLY and HTTPS_ONLY
policy, which means there will be a service interruption when we change the
policy from HTTP_ONLY to HTTPS_ONLY.
The root cause of this limit is that org.apache.hadoop.yarn.webapp.WebApps
supports only one endpoint, but the http server(HttpServer2) behind it do
support multiple endpoints. So if we add multiple endpoints support in WebApps,
we can add both HTTP endpoint and HTTPS endpoint in all web servers in Hadoop,
i.e. support HTTP_AND_HTTPS policy. with this support, we will be able to
switch the web protocol from HTTP to HTTPS by 2 config changes without service
interruption:
1. change policy from HTTP_ONLY to HTTP_AND_HTTPS;
2. change policy form HTTP_AND_HTTPS to HTTPS_ONLY;
This JIRA tracks changes to WebApps and web services/clients to support
HTTP_AND_HTTPS policy.
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