Allow unwinding nova DB manage cron jobs
Add enablement flags to classes managing Nova DB records purging and archieving. With that change, cron jobs can be removed, if no longer needed. For example, when the cron jobs were originally enabled but later will be disabled so that users can always restore any deleted instances. Co-authored-by: Takashi Kajinami <tkajinam@redhat.com> Signed-off-by: Bogdan Dobrelya <bdobreli@redhat.com> Change-Id: I4b2c65b91b83c7ac64f909359585aa76c19d4705
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@ -88,6 +88,10 @@
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# all cron jobs at the same time on all hosts this job is configured.
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# Defaults to 0.
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#
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# [*ensure*]
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# (optional) Ensure cron jobs present or absent
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# Defaults to present.
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#
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class nova::cron::archive_deleted_rows (
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$minute = 1,
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$hour = 0,
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@ -105,6 +109,7 @@ class nova::cron::archive_deleted_rows (
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$sleep = undef,
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$verbose = false,
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$maxdelay = 0,
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Enum['present', 'absent'] $ensure = 'present',
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) inherits nova::params {
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include nova::deps
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@ -165,6 +170,7 @@ class nova::cron::archive_deleted_rows (
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$cron_cmd = 'nova-manage db archive_deleted_rows'
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cron { 'nova-manage db archive_deleted_rows':
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ensure => $ensure,
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# lint:ignore:140chars
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command => "${delay_cmd}${cron_cmd}${purge_real} --max_rows ${max_rows}${verbose_real}${age_real}${until_complete_real}${all_cells_real}${task_log_real}${sleep_real} >>${destination} 2>&1",
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# lint:endignore
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@ -60,7 +60,11 @@
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# Induces a random delay before running the cronjob to avoid running
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# all cron jobs at the same time on all hosts this job is configured.
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# Defaults to 0.
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#
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# [*ensure*]
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# (optional) Ensure cron jobs present or absent
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# Defaults to present.
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#
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class nova::cron::purge_shadow_tables (
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$minute = 0,
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$hour = 5,
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@ -73,6 +77,7 @@ class nova::cron::purge_shadow_tables (
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$all_cells = false,
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$verbose = false,
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$maxdelay = 0,
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Enum['present', 'absent'] $ensure = 'present',
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) inherits nova::params {
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include nova::deps
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@ -101,6 +106,7 @@ class nova::cron::purge_shadow_tables (
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$cron_cmd = 'nova-manage db purge'
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cron { 'nova-manage db purge':
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ensure => $ensure,
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# lint:ignore:140chars
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command => "${delay_cmd}${cron_cmd} --before `date --date='today - ${age} days' +\\%D`${verbose_real}${all_cells_real} >>${destination} 2>&1",
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# lint:endignore
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@ -0,0 +1,8 @@
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---
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fixes:
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- |
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The new parameters, ``nova::cron::archive_deleted_rows::ensure`` and
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``nova::cron::purge_shadow_tables::ensure``, have been added.
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These parameters control the corresponding cron jobs existence. When either
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of two classes included, they can be given ``ensure => absent`` to unwind
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existing cron jobs.
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@ -39,7 +39,6 @@ describe 'nova::cache' do
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:hashclient_retry_delay => '<SERVICE DEFAULT>',
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:dead_timeout => '<SERVICE DEFAULT>',
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:manage_backend_package => true,
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:manage_backend_package => true,
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)
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end
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end
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@ -21,9 +21,22 @@ describe 'nova::cron::archive_deleted_rows' do
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:destination => '/var/log/nova/nova-rowsflush.log' }
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end
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context 'ensure the cron job is absent' do
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before :each do
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params.merge!(
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:ensure => :absent,
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)
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end
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it 'removes the cron job' do
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is_expected.to contain_cron('nova-manage db archive_deleted_rows').with_ensure(:absent)
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end
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end
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context 'until_complete and all_cells is false' do
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it 'configures a cron without until_complete and all_cells' do
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is_expected.to contain_cron('nova-manage db archive_deleted_rows').with(
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:ensure => :present,
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:command => "nova-manage db archive_deleted_rows --max_rows #{params[:max_rows]} >>#{params[:destination]} 2>&1",
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:environment => 'PATH=/bin:/usr/bin:/usr/sbin SHELL=/bin/sh',
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:user => params[:user],
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@ -46,6 +59,7 @@ describe 'nova::cron::archive_deleted_rows' do
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it 'configures a cron with until_complete' do
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is_expected.to contain_cron('nova-manage db archive_deleted_rows').with(
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:ensure => :present,
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:command => "nova-manage db archive_deleted_rows --max_rows #{params[:max_rows]} --verbose >>#{params[:destination]} 2>&1",
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:environment => 'PATH=/bin:/usr/bin:/usr/sbin SHELL=/bin/sh',
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:user => params[:user],
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@ -68,6 +82,7 @@ describe 'nova::cron::archive_deleted_rows' do
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it 'configures a cron with until_complete' do
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is_expected.to contain_cron('nova-manage db archive_deleted_rows').with(
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:ensure => :present,
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:command => "nova-manage db archive_deleted_rows --max_rows #{params[:max_rows]} --until-complete >>#{params[:destination]} 2>&1",
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:environment => 'PATH=/bin:/usr/bin:/usr/sbin SHELL=/bin/sh',
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:user => params[:user],
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@ -90,6 +105,7 @@ describe 'nova::cron::archive_deleted_rows' do
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it 'configures a cron with all_cells' do
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is_expected.to contain_cron('nova-manage db archive_deleted_rows').with(
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:ensure => :present,
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:command => "nova-manage db archive_deleted_rows --max_rows #{params[:max_rows]} --all-cells >>#{params[:destination]} 2>&1",
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:environment => 'PATH=/bin:/usr/bin:/usr/sbin SHELL=/bin/sh',
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:user => params[:user],
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@ -112,6 +128,7 @@ describe 'nova::cron::archive_deleted_rows' do
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it 'configures a cron with task_log' do
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is_expected.to contain_cron('nova-manage db archive_deleted_rows').with(
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:ensure => :present,
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:command => "nova-manage db archive_deleted_rows --max_rows #{params[:max_rows]} --task-log >>#{params[:destination]} 2>&1",
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:environment => 'PATH=/bin:/usr/bin:/usr/sbin SHELL=/bin/sh',
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:user => params[:user],
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@ -134,6 +151,7 @@ describe 'nova::cron::archive_deleted_rows' do
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it 'configures a cron with purge' do
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is_expected.to contain_cron('nova-manage db archive_deleted_rows').with(
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:ensure => :present,
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:command => "nova-manage db archive_deleted_rows --purge --max_rows #{params[:max_rows]} >>#{params[:destination]} 2>&1",
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:environment => 'PATH=/bin:/usr/bin:/usr/sbin SHELL=/bin/sh',
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:user => params[:user],
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@ -157,6 +175,7 @@ describe 'nova::cron::archive_deleted_rows' do
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it 'configures a cron with all purge params' do
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is_expected.to contain_cron('nova-manage db archive_deleted_rows').with(
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:ensure => :present,
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:command => "nova-manage db archive_deleted_rows --purge --max_rows #{params[:max_rows]} --until-complete >>#{params[:destination]} 2>&1",
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:environment => 'PATH=/bin:/usr/bin:/usr/sbin SHELL=/bin/sh',
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:user => params[:user],
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@ -179,6 +198,7 @@ describe 'nova::cron::archive_deleted_rows' do
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it 'configures a cron with maxdelay' do
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is_expected.to contain_cron('nova-manage db archive_deleted_rows').with(
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:ensure => :present,
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:command => "sleep `expr ${RANDOM} \\% #{params[:maxdelay]}`; nova-manage db archive_deleted_rows --max_rows #{params[:max_rows]} >>#{params[:destination]} 2>&1",
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:environment => 'PATH=/bin:/usr/bin:/usr/sbin SHELL=/bin/sh',
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:user => params[:user],
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@ -201,6 +221,7 @@ describe 'nova::cron::archive_deleted_rows' do
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it 'configures a cron with --before' do
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is_expected.to contain_cron('nova-manage db archive_deleted_rows').with(
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:ensure => :present,
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:command => "nova-manage db archive_deleted_rows --max_rows #{params[:max_rows]} --before `date --date='today - #{params[:age]} days' +\\%F` >>#{params[:destination]} 2>&1",
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:environment => 'PATH=/bin:/usr/bin:/usr/sbin SHELL=/bin/sh',
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:user => params[:user],
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@ -224,6 +245,7 @@ describe 'nova::cron::archive_deleted_rows' do
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it 'configures a cron with --before' do
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is_expected.to contain_cron('nova-manage db archive_deleted_rows').with(
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:ensure => :present,
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:command => "nova-manage db archive_deleted_rows --max_rows #{params[:max_rows]} --until-complete --sleep #{params[:sleep]} >>#{params[:destination]} 2>&1",
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:environment => 'PATH=/bin:/usr/bin:/usr/sbin SHELL=/bin/sh',
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:user => params[:user],
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@ -17,6 +17,18 @@ describe 'nova::cron::purge_shadow_tables' do
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:age => 10 }
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end
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context 'ensure the cron job is absent' do
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before :each do
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params.merge!(
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:ensure => :absent,
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)
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end
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it 'removes the cron job' do
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is_expected.to contain_cron('nova-manage db purge').with_ensure(:absent)
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end
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end
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context 'verbose is true' do
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before :each do
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params.merge!(
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@ -26,6 +38,7 @@ describe 'nova::cron::purge_shadow_tables' do
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it 'configures a nova purge cron with verbose output' do
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is_expected.to contain_cron('nova-manage db purge').with(
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:ensure => :present,
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:command => "nova-manage db purge --before `date --date='today - #{params[:age]} days' +\\%D` --verbose >>#{params[:destination]} 2>&1",
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:environment => 'PATH=/bin:/usr/bin:/usr/sbin SHELL=/bin/sh',
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:user => params[:user],
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@ -48,6 +61,7 @@ describe 'nova::cron::purge_shadow_tables' do
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it 'configures a nova purge cron without verbose output' do
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is_expected.to contain_cron('nova-manage db purge').with(
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:ensure => :present,
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:command => "nova-manage db purge --before `date --date='today - #{params[:age]} days' +\\%D` >>#{params[:destination]} 2>&1",
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:environment => 'PATH=/bin:/usr/bin:/usr/sbin SHELL=/bin/sh',
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:user => params[:user],
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@ -70,6 +84,7 @@ describe 'nova::cron::purge_shadow_tables' do
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it 'configures a nova purge cron with all cells enabled' do
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is_expected.to contain_cron('nova-manage db purge').with(
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:ensure => :present,
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:command => "nova-manage db purge --before `date --date='today - #{params[:age]} days' +\\%D` --all-cells >>#{params[:destination]} 2>&1",
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:environment => 'PATH=/bin:/usr/bin:/usr/sbin SHELL=/bin/sh',
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:user => params[:user],
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@ -92,6 +107,7 @@ describe 'nova::cron::purge_shadow_tables' do
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it 'configures a nova purge cron with maxdelay' do
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is_expected.to contain_cron('nova-manage db purge').with(
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:ensure => :present,
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:command => "sleep `expr ${RANDOM} \\% #{params[:maxdelay]}`; nova-manage db purge --before `date --date='today - #{params[:age]} days' +\\%D` >>#{params[:destination]} 2>&1",
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:environment => 'PATH=/bin:/usr/bin:/usr/sbin SHELL=/bin/sh',
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:user => params[:user],
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