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(POOLER-52) Modify dummy provider to use a connection pool

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Previously a connection pooler class was added.  This commit modifies the Dummy
VM Provider to use a connection pooler.  While the Dummy provider strictly
speaking does not use connections, this allows testing to see what happens when
connection pools are stressed or exhausted.  This commit:
- Modifies functions to use a connection pool object for the public API
  functions
- Modifies the VMPooler YAML with new settings for connection pool size and
  timeout
This commit is contained in:
Glenn Sarti 2017-04-05 10:55:49 -07:00
parent 888ffc4afc
commit 2f37c1e9b5
3 changed files with 222 additions and 172 deletions
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8
vmpooler.yaml.example
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@ -50,6 +50,14 @@
# The filename used to store the backing text file. If this is not specified the VM state is only
# kept in memory, and is lost when the Provider is shutdown
#
# - connection_pool_size (Optional)
# The size of the dummy connection pool. This can be used to simulate constrained provider resources e.g. 200 pools sharing on connection
# (optional; default 1)
#
# - connection_pool_timeout (Optional)
# The number of seconds to wait for a connection object from the pool. If the timeout is exceeded an error is raised
# (optional; default 10 seconds)
#
# - migratevm_couldmove_percent
# Percent chance that a VM could be moved to another host
# (optional; default 0%)