Add cache client retry options for the pymemcache backend
This patch specifies a set of options required to setup the retrying wrapper feature of pymemcache (dogpile.cache) cache backend. Original oslo.cache change: https://review.opendev.org/c/openstack/oslo.cache/+/803747 Co-Authored-By: Hervé Beraud <hberaud@redhat.com> Depends-On: https://review.opendev.org/826869 Change-Id: Ie28399b714f1707edfc6832cebd739dd3710cff8
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@ -167,6 +167,21 @@
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# be available.
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# Default to $::os_service_default
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#
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# [*enable_retry_client*]
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# (Optional) Enable retry client mechanisms to handle failure.
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# Those mechanisms can be used to wrap all kind of pymemcache
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# clients. The wrapper allows you to define how many attempts
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# to make and how long to wait between attemots.
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# Default to $::os_service_default
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#
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# [*retry_attempts*]
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# (Optional) Number of times to attempt an action before failing.
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# Default to $::os_service_default
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#
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# [*retry_delay*]
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# (Optional) Number of seconds to sleep between each attempt.
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# Default to $::os_service_default
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#
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class heat::cache (
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$config_prefix = $::os_service_default,
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$expiration_time = $::os_service_default,
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@ -197,6 +212,9 @@ class heat::cache (
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$tls_certfile = $::os_service_default,
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$tls_keyfile = $::os_service_default,
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$tls_allowed_ciphers = $::os_service_default,
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$enable_retry_client = $::os_service_default,
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$retry_attempts = $::os_service_default,
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$retry_delay = $::os_service_default,
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) {
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include heat::deps
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@ -225,6 +243,9 @@ class heat::cache (
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tls_certfile => $tls_certfile,
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tls_keyfile => $tls_keyfile,
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tls_allowed_ciphers => $tls_allowed_ciphers,
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enable_retry_client => $enable_retry_client,
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retry_attempts => $retry_attempts,
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retry_delay => $retry_delay,
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}
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heat_config {
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@ -0,0 +1,4 @@
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---
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features:
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- |
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Add cache client retry options for the pymemcache (dogpile.cache) backend.
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@ -33,6 +33,9 @@ describe 'heat::cache' do
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:tls_certfile => '<SERVICE DEFAULT>',
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:tls_keyfile => '<SERVICE DEFAULT>',
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:tls_allowed_ciphers => '<SERVICE DEFAULT>',
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:enable_retry_client => '<SERVICE DEFAULT>',
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:retry_attempts => '<SERVICE DEFAULT>',
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:retry_delay => '<SERVICE DEFAULT>',
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:manage_backend_package => true,
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)
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is_expected.to contain_heat_config('constraint_validation_cache/caching').with_value('<SERVICE DEFAULT>')
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@ -64,6 +67,9 @@ describe 'heat::cache' do
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:memcache_pool_unused_timeout => '120',
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:memcache_pool_connection_get_timeout => '360',
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:tls_enabled => false,
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:enable_retry_client => false,
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:retry_attempts => 2,
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:retry_delay => 0,
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:manage_backend_package => false,
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:constraint_validation_caching => true,
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:constraint_validation_expiration_time => '3600',
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@ -98,6 +104,9 @@ describe 'heat::cache' do
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:tls_certfile => '<SERVICE DEFAULT>',
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:tls_keyfile => '<SERVICE DEFAULT>',
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:tls_allowed_ciphers => '<SERVICE DEFAULT>',
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:enable_retry_client => false,
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:retry_attempts => 2,
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:retry_delay => 0,
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:manage_backend_package => false,
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)
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is_expected.to contain_heat_config('constraint_validation_cache/caching').with_value('true')
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