[Bug 2147468] [NEW] Broken test "Unsupported protocol message" hangs indefiniently

[Frode Nordahl]

Public bug reported:

The test named "Unsupported protocol message" hangs indefinitely.

There appears to be at least two issues with the test:
1. nc --sh-exec forks, and child processes are kept around while processing request and not cleaned up by test suite macros.

2. There appears to be bashisms in the test:

++ ip netns exec ls2p1 sh
sh: 1: Syntax error: redirection unexpected

Possible approaches could be to expand testsuite macros to handle
children of processes on cleanup, or finding a different mechanism for
receiving the UDP stream in the test.

The issue was introduced by https://github.com/ovn-
org/ovn/commit/985551d482694e39d51ed290a4607f71e5b65be8

** Affects: ovn (Ubuntu)
     Importance: High
         Status: Triaged


** Tags: update-excuse

** Summary changed:

- Broken test "Logical Switch Port Health Check" hangs indefiniently
+ Broken test "Unsupported protocol message" hangs indefiniently

** Description changed:

- The test named "Logical Switch Port Health Check" hangs indefinitely.
+ The test named "Unsupported protocol message" hangs indefinitely.
  
  There appears to be at least two issues with the test:
  1. nc --sh-exec forks, and child processes are kept around while processing request and not cleaned up by test suite macros.
  
  2. There appears to be bashisms in the test:
  
  ++ ip netns exec ls2p1 sh
  sh: 1: Syntax error: redirection unexpected
  
- 
- Possible approaches could be to expand testsuite macros to handle children of processes on cleanup, or finding a different mechanism for receiving the UDP stream in the test.
+ Possible approaches could be to expand testsuite macros to handle
+ children of processes on cleanup, or finding a different mechanism for
+ receiving the UDP stream in the test.
  
  The issue was introduced by https://github.com/ovn-
  org/ovn/commit/985551d482694e39d51ed290a4607f71e5b65be8

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https://bugs.launchpad.net/bugs/2147468

Title:
  Broken test "Unsupported protocol message" hangs indefiniently

Status in ovn package in Ubuntu:
  Triaged

Bug description:
  The test named "Unsupported protocol message" hangs indefinitely.

  There appears to be at least two issues with the test:
  1. nc --sh-exec forks, and child processes are kept around while processing request and not cleaned up by test suite macros.

  2. There appears to be bashisms in the test:

  ++ ip netns exec ls2p1 sh
  sh: 1: Syntax error: redirection unexpected

  Possible approaches could be to expand testsuite macros to handle
  children of processes on cleanup, or finding a different mechanism for
  receiving the UDP stream in the test.

  The issue was introduced by https://github.com/ovn-
  org/ovn/commit/985551d482694e39d51ed290a4607f71e5b65be8

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