GitHub user jaikiran opened a pull request:
https://github.com/apache/ant-ivy/pull/54
IVY-735 Support timeouts on resolvers
The commit in this PR adds support for specifying connection and read
timeouts for resolvers, so that users have control over how the resolvers
behave when it comes to slow/unresponsive repositories. This feature has been
requested in https://issues.apache.org/jira/browse/IVY-735
This commit introduces the concept of "timeout-constraints" within a Ivy
settings file. There can be any number of named timeout constraints, each with
(optional) values for connection and read timeouts. These named timeout
constraints can then be referred to by the individual resolvers via the
`timeoutConstraint` attribute on them. Standard resolvers all have been updated
to support this new attribute.
An example usage looks something like this:
```
<ivysettings>
<timeout-constraints>
<timeout-constraint name="test-timeout-1" connectionTimeout="100"
readTimeout="500"/>
<timeout-constraint name="test-timeout-2" readTimeout="20"/>
<timeout-constraint name="test-timeout-3" connectionTimeout="400"/>
<timeout-constraint name="test-timeout-4"/>
</timeout-constraints>
<resolvers>
<url name="urlresolver-1" timeoutConstraint="test-timeout-3"/>
<ibiblio name="ibiblio-resolver"
timeoutConstraint="test-timeout-1"/>
<filesystem name="fs"/>
</resolvers>
</ivysettings>
```
(explanation of what these settings signify are available in the docs here
https://github.com/jaikiran/ant-ivy/commit/c0ffb23ae29197e7f47c140deb991139d0688421#diff-e094f56ed4707eb73f8621abe7bfb4e5R54)
The commit also contains updates to documentation to include details of
this new feature, plus test cases to verify the basic functionality of this
feature on some specific resolvers.
I need to check a few standard resolvers (like the ssh based ones) to make
sure they honour this new timeout semantics too and include tests (if possible)
for them. But at this point, this commit should cover the support and the code
flow for most of the relevant resolvers like the `URLResolver`. In fact, one of
the tests in this commit, actually simulates a HTTP backed repo being down, in
a test case to verify the `URLResolver` honours these timeout constraints.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/jaikiran/ant-ivy ivy-735
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/ant-ivy/pull/54.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #54
----
commit c0ffb23ae29197e7f47c140deb991139d0688421
Author: Jaikiran Pai <jaiki...@apache.org>
Date: 2017-07-10T04:50:38Z
IVY-735 Support timeouts on resolvers
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