Steve Loughran created HADOOP-15070:
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Summary: add test to verify FileSystem and paths differentiate on
user info
Key: HADOOP-15070
URL: https://issues.apache.org/jira/browse/HADOOP-15070
Project: Hadoop Common
Issue Type: Improvement
Components: fs, test
Affects Versions: 2.8.2
Reporter: Steve Loughran
Assignee: Steve Loughran
Priority: Minor
Add a test to verify that userinfo data is (correctly) used to differentiate
the entries in the FS cache, so are treated as different filesystems.
* This is criticalk for wasb, which uses the username to identify the
container, in a path like {{wasb:contain...@stevel.azure.net}}. This works in
Hadoop, but SPARK-22587 shows that it may not be followed everywhere (and given
there's no documentation, who can fault them?)
* AbstractFileSystem.checkPath looks suspiciously like it's path validation
just checks host, not authority. That needs a test too.
* And we should cut the @LimitedPrivate(HDFS, Mapreduce) from
Path.makeQualified. If MR needs it, it should be considered open to all apps
using the Hadoop APIs. Until I looked at the code I thought it was...
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