2019-03-30 07:15:48 +00:00
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# frozen_string_literal: true
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2018-05-03 12:55:14 +00:00
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require 'rails_helper'
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Rework retry strategy for remote mirrors
**Prevention of running 2 simultaneous updates**
Instead of using `RemoteMirror#update_status` and raise an error if
it's already running to prevent the same mirror being updated at the
same time we now use `Gitlab::ExclusiveLease` for that.
When we fail to obtain a lease in 3 tries, 30 seconds apart, we bail
and reschedule. We'll reschedule faster for the protected branches.
If the mirror already ran since it was scheduled, the job will be
skipped.
**Error handling: Remote side**
When an update fails because of a `Gitlab::Git::CommandError`, we
won't track this error in sentry, this could be on the remote side:
for example when branches have diverged.
In this case, we'll try 3 times scheduled 1 or 5 minutes apart.
In between, the mirror is marked as "to_retry", the error would be
visible to the user when they visit the settings page.
After 3 tries we'll mark the mirror as failed and notify the user.
We won't track this error in sentry, as it's not likely we can help
it.
The next event that would trigger a new refresh.
**Error handling: our side**
If an unexpected error occurs, we mark the mirror as failed, but we'd
still retry the job based on the regular sidekiq retries with
backoff. Same as we used to
The error would be reported in sentry, since its likely we need to do
something about it.
2019-08-13 20:52:01 +00:00
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describe RepositoryUpdateRemoteMirrorWorker, :clean_gitlab_redis_shared_state do
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2018-05-03 12:55:14 +00:00
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subject { described_class.new }
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Rework retry strategy for remote mirrors
**Prevention of running 2 simultaneous updates**
Instead of using `RemoteMirror#update_status` and raise an error if
it's already running to prevent the same mirror being updated at the
same time we now use `Gitlab::ExclusiveLease` for that.
When we fail to obtain a lease in 3 tries, 30 seconds apart, we bail
and reschedule. We'll reschedule faster for the protected branches.
If the mirror already ran since it was scheduled, the job will be
skipped.
**Error handling: Remote side**
When an update fails because of a `Gitlab::Git::CommandError`, we
won't track this error in sentry, this could be on the remote side:
for example when branches have diverged.
In this case, we'll try 3 times scheduled 1 or 5 minutes apart.
In between, the mirror is marked as "to_retry", the error would be
visible to the user when they visit the settings page.
After 3 tries we'll mark the mirror as failed and notify the user.
We won't track this error in sentry, as it's not likely we can help
it.
The next event that would trigger a new refresh.
**Error handling: our side**
If an unexpected error occurs, we mark the mirror as failed, but we'd
still retry the job based on the regular sidekiq retries with
backoff. Same as we used to
The error would be reported in sentry, since its likely we need to do
something about it.
2019-08-13 20:52:01 +00:00
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let(:remote_mirror) { create(:remote_mirror) }
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2018-05-03 12:55:14 +00:00
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let(:scheduled_time) { Time.now - 5.minutes }
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around do |example|
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Timecop.freeze(Time.now) { example.run }
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end
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Rework retry strategy for remote mirrors
**Prevention of running 2 simultaneous updates**
Instead of using `RemoteMirror#update_status` and raise an error if
it's already running to prevent the same mirror being updated at the
same time we now use `Gitlab::ExclusiveLease` for that.
When we fail to obtain a lease in 3 tries, 30 seconds apart, we bail
and reschedule. We'll reschedule faster for the protected branches.
If the mirror already ran since it was scheduled, the job will be
skipped.
**Error handling: Remote side**
When an update fails because of a `Gitlab::Git::CommandError`, we
won't track this error in sentry, this could be on the remote side:
for example when branches have diverged.
In this case, we'll try 3 times scheduled 1 or 5 minutes apart.
In between, the mirror is marked as "to_retry", the error would be
visible to the user when they visit the settings page.
After 3 tries we'll mark the mirror as failed and notify the user.
We won't track this error in sentry, as it's not likely we can help
it.
The next event that would trigger a new refresh.
**Error handling: our side**
If an unexpected error occurs, we mark the mirror as failed, but we'd
still retry the job based on the regular sidekiq retries with
backoff. Same as we used to
The error would be reported in sentry, since its likely we need to do
something about it.
2019-08-13 20:52:01 +00:00
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def expect_mirror_service_to_return(mirror, result, tries = 0)
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expect_next_instance_of(Projects::UpdateRemoteMirrorService) do |service|
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expect(service).to receive(:execute).with(mirror, tries).and_return(result)
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end
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end
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2018-12-05 15:22:52 +00:00
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Rework retry strategy for remote mirrors
**Prevention of running 2 simultaneous updates**
Instead of using `RemoteMirror#update_status` and raise an error if
it's already running to prevent the same mirror being updated at the
same time we now use `Gitlab::ExclusiveLease` for that.
When we fail to obtain a lease in 3 tries, 30 seconds apart, we bail
and reschedule. We'll reschedule faster for the protected branches.
If the mirror already ran since it was scheduled, the job will be
skipped.
**Error handling: Remote side**
When an update fails because of a `Gitlab::Git::CommandError`, we
won't track this error in sentry, this could be on the remote side:
for example when branches have diverged.
In this case, we'll try 3 times scheduled 1 or 5 minutes apart.
In between, the mirror is marked as "to_retry", the error would be
visible to the user when they visit the settings page.
After 3 tries we'll mark the mirror as failed and notify the user.
We won't track this error in sentry, as it's not likely we can help
it.
The next event that would trigger a new refresh.
**Error handling: our side**
If an unexpected error occurs, we mark the mirror as failed, but we'd
still retry the job based on the regular sidekiq retries with
backoff. Same as we used to
The error would be reported in sentry, since its likely we need to do
something about it.
2019-08-13 20:52:01 +00:00
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describe '#perform' do
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it 'calls out to the service to perform the update' do
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expect_mirror_service_to_return(remote_mirror, status: :success)
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2018-12-05 15:22:52 +00:00
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Rework retry strategy for remote mirrors
**Prevention of running 2 simultaneous updates**
Instead of using `RemoteMirror#update_status` and raise an error if
it's already running to prevent the same mirror being updated at the
same time we now use `Gitlab::ExclusiveLease` for that.
When we fail to obtain a lease in 3 tries, 30 seconds apart, we bail
and reschedule. We'll reschedule faster for the protected branches.
If the mirror already ran since it was scheduled, the job will be
skipped.
**Error handling: Remote side**
When an update fails because of a `Gitlab::Git::CommandError`, we
won't track this error in sentry, this could be on the remote side:
for example when branches have diverged.
In this case, we'll try 3 times scheduled 1 or 5 minutes apart.
In between, the mirror is marked as "to_retry", the error would be
visible to the user when they visit the settings page.
After 3 tries we'll mark the mirror as failed and notify the user.
We won't track this error in sentry, as it's not likely we can help
it.
The next event that would trigger a new refresh.
**Error handling: our side**
If an unexpected error occurs, we mark the mirror as failed, but we'd
still retry the job based on the regular sidekiq retries with
backoff. Same as we used to
The error would be reported in sentry, since its likely we need to do
something about it.
2019-08-13 20:52:01 +00:00
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subject.perform(remote_mirror.id, scheduled_time)
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end
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2018-05-03 12:55:14 +00:00
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|
Rework retry strategy for remote mirrors
**Prevention of running 2 simultaneous updates**
Instead of using `RemoteMirror#update_status` and raise an error if
it's already running to prevent the same mirror being updated at the
same time we now use `Gitlab::ExclusiveLease` for that.
When we fail to obtain a lease in 3 tries, 30 seconds apart, we bail
and reschedule. We'll reschedule faster for the protected branches.
If the mirror already ran since it was scheduled, the job will be
skipped.
**Error handling: Remote side**
When an update fails because of a `Gitlab::Git::CommandError`, we
won't track this error in sentry, this could be on the remote side:
for example when branches have diverged.
In this case, we'll try 3 times scheduled 1 or 5 minutes apart.
In between, the mirror is marked as "to_retry", the error would be
visible to the user when they visit the settings page.
After 3 tries we'll mark the mirror as failed and notify the user.
We won't track this error in sentry, as it's not likely we can help
it.
The next event that would trigger a new refresh.
**Error handling: our side**
If an unexpected error occurs, we mark the mirror as failed, but we'd
still retry the job based on the regular sidekiq retries with
backoff. Same as we used to
The error would be reported in sentry, since its likely we need to do
something about it.
2019-08-13 20:52:01 +00:00
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it 'does not do anything if the mirror was already updated' do
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remote_mirror.update(last_update_started_at: Time.now, update_status: :finished)
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2018-05-03 12:55:14 +00:00
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Rework retry strategy for remote mirrors
**Prevention of running 2 simultaneous updates**
Instead of using `RemoteMirror#update_status` and raise an error if
it's already running to prevent the same mirror being updated at the
same time we now use `Gitlab::ExclusiveLease` for that.
When we fail to obtain a lease in 3 tries, 30 seconds apart, we bail
and reschedule. We'll reschedule faster for the protected branches.
If the mirror already ran since it was scheduled, the job will be
skipped.
**Error handling: Remote side**
When an update fails because of a `Gitlab::Git::CommandError`, we
won't track this error in sentry, this could be on the remote side:
for example when branches have diverged.
In this case, we'll try 3 times scheduled 1 or 5 minutes apart.
In between, the mirror is marked as "to_retry", the error would be
visible to the user when they visit the settings page.
After 3 tries we'll mark the mirror as failed and notify the user.
We won't track this error in sentry, as it's not likely we can help
it.
The next event that would trigger a new refresh.
**Error handling: our side**
If an unexpected error occurs, we mark the mirror as failed, but we'd
still retry the job based on the regular sidekiq retries with
backoff. Same as we used to
The error would be reported in sentry, since its likely we need to do
something about it.
2019-08-13 20:52:01 +00:00
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expect(Projects::UpdateRemoteMirrorService).not_to receive(:new)
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2018-05-03 12:55:14 +00:00
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Rework retry strategy for remote mirrors
**Prevention of running 2 simultaneous updates**
Instead of using `RemoteMirror#update_status` and raise an error if
it's already running to prevent the same mirror being updated at the
same time we now use `Gitlab::ExclusiveLease` for that.
When we fail to obtain a lease in 3 tries, 30 seconds apart, we bail
and reschedule. We'll reschedule faster for the protected branches.
If the mirror already ran since it was scheduled, the job will be
skipped.
**Error handling: Remote side**
When an update fails because of a `Gitlab::Git::CommandError`, we
won't track this error in sentry, this could be on the remote side:
for example when branches have diverged.
In this case, we'll try 3 times scheduled 1 or 5 minutes apart.
In between, the mirror is marked as "to_retry", the error would be
visible to the user when they visit the settings page.
After 3 tries we'll mark the mirror as failed and notify the user.
We won't track this error in sentry, as it's not likely we can help
it.
The next event that would trigger a new refresh.
**Error handling: our side**
If an unexpected error occurs, we mark the mirror as failed, but we'd
still retry the job based on the regular sidekiq retries with
backoff. Same as we used to
The error would be reported in sentry, since its likely we need to do
something about it.
2019-08-13 20:52:01 +00:00
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subject.perform(remote_mirror.id, scheduled_time)
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2018-05-03 12:55:14 +00:00
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end
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Rework retry strategy for remote mirrors
**Prevention of running 2 simultaneous updates**
Instead of using `RemoteMirror#update_status` and raise an error if
it's already running to prevent the same mirror being updated at the
same time we now use `Gitlab::ExclusiveLease` for that.
When we fail to obtain a lease in 3 tries, 30 seconds apart, we bail
and reschedule. We'll reschedule faster for the protected branches.
If the mirror already ran since it was scheduled, the job will be
skipped.
**Error handling: Remote side**
When an update fails because of a `Gitlab::Git::CommandError`, we
won't track this error in sentry, this could be on the remote side:
for example when branches have diverged.
In this case, we'll try 3 times scheduled 1 or 5 minutes apart.
In between, the mirror is marked as "to_retry", the error would be
visible to the user when they visit the settings page.
After 3 tries we'll mark the mirror as failed and notify the user.
We won't track this error in sentry, as it's not likely we can help
it.
The next event that would trigger a new refresh.
**Error handling: our side**
If an unexpected error occurs, we mark the mirror as failed, but we'd
still retry the job based on the regular sidekiq retries with
backoff. Same as we used to
The error would be reported in sentry, since its likely we need to do
something about it.
2019-08-13 20:52:01 +00:00
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it 'schedules a retry when the mirror is marked for retrying' do
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remote_mirror = create(:remote_mirror, update_status: :to_retry)
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expect_mirror_service_to_return(remote_mirror, status: :error, message: 'Retry!')
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2018-05-03 12:55:14 +00:00
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Rework retry strategy for remote mirrors
**Prevention of running 2 simultaneous updates**
Instead of using `RemoteMirror#update_status` and raise an error if
it's already running to prevent the same mirror being updated at the
same time we now use `Gitlab::ExclusiveLease` for that.
When we fail to obtain a lease in 3 tries, 30 seconds apart, we bail
and reschedule. We'll reschedule faster for the protected branches.
If the mirror already ran since it was scheduled, the job will be
skipped.
**Error handling: Remote side**
When an update fails because of a `Gitlab::Git::CommandError`, we
won't track this error in sentry, this could be on the remote side:
for example when branches have diverged.
In this case, we'll try 3 times scheduled 1 or 5 minutes apart.
In between, the mirror is marked as "to_retry", the error would be
visible to the user when they visit the settings page.
After 3 tries we'll mark the mirror as failed and notify the user.
We won't track this error in sentry, as it's not likely we can help
it.
The next event that would trigger a new refresh.
**Error handling: our side**
If an unexpected error occurs, we mark the mirror as failed, but we'd
still retry the job based on the regular sidekiq retries with
backoff. Same as we used to
The error would be reported in sentry, since its likely we need to do
something about it.
2019-08-13 20:52:01 +00:00
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expect(described_class)
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.to receive(:perform_in)
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.with(remote_mirror.backoff_delay, remote_mirror.id, scheduled_time, 1)
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2018-05-03 12:55:14 +00:00
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Rework retry strategy for remote mirrors
**Prevention of running 2 simultaneous updates**
Instead of using `RemoteMirror#update_status` and raise an error if
it's already running to prevent the same mirror being updated at the
same time we now use `Gitlab::ExclusiveLease` for that.
When we fail to obtain a lease in 3 tries, 30 seconds apart, we bail
and reschedule. We'll reschedule faster for the protected branches.
If the mirror already ran since it was scheduled, the job will be
skipped.
**Error handling: Remote side**
When an update fails because of a `Gitlab::Git::CommandError`, we
won't track this error in sentry, this could be on the remote side:
for example when branches have diverged.
In this case, we'll try 3 times scheduled 1 or 5 minutes apart.
In between, the mirror is marked as "to_retry", the error would be
visible to the user when they visit the settings page.
After 3 tries we'll mark the mirror as failed and notify the user.
We won't track this error in sentry, as it's not likely we can help
it.
The next event that would trigger a new refresh.
**Error handling: our side**
If an unexpected error occurs, we mark the mirror as failed, but we'd
still retry the job based on the regular sidekiq retries with
backoff. Same as we used to
The error would be reported in sentry, since its likely we need to do
something about it.
2019-08-13 20:52:01 +00:00
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subject.perform(remote_mirror.id, scheduled_time)
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2018-05-03 12:55:14 +00:00
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end
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Rework retry strategy for remote mirrors
**Prevention of running 2 simultaneous updates**
Instead of using `RemoteMirror#update_status` and raise an error if
it's already running to prevent the same mirror being updated at the
same time we now use `Gitlab::ExclusiveLease` for that.
When we fail to obtain a lease in 3 tries, 30 seconds apart, we bail
and reschedule. We'll reschedule faster for the protected branches.
If the mirror already ran since it was scheduled, the job will be
skipped.
**Error handling: Remote side**
When an update fails because of a `Gitlab::Git::CommandError`, we
won't track this error in sentry, this could be on the remote side:
for example when branches have diverged.
In this case, we'll try 3 times scheduled 1 or 5 minutes apart.
In between, the mirror is marked as "to_retry", the error would be
visible to the user when they visit the settings page.
After 3 tries we'll mark the mirror as failed and notify the user.
We won't track this error in sentry, as it's not likely we can help
it.
The next event that would trigger a new refresh.
**Error handling: our side**
If an unexpected error occurs, we mark the mirror as failed, but we'd
still retry the job based on the regular sidekiq retries with
backoff. Same as we used to
The error would be reported in sentry, since its likely we need to do
something about it.
2019-08-13 20:52:01 +00:00
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it 'clears the lease if there was an unexpected exception' do
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expect_next_instance_of(Projects::UpdateRemoteMirrorService) do |service|
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expect(service).to receive(:execute).with(remote_mirror, 1).and_raise('Unexpected!')
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2018-05-03 12:55:14 +00:00
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end
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Rework retry strategy for remote mirrors
**Prevention of running 2 simultaneous updates**
Instead of using `RemoteMirror#update_status` and raise an error if
it's already running to prevent the same mirror being updated at the
same time we now use `Gitlab::ExclusiveLease` for that.
When we fail to obtain a lease in 3 tries, 30 seconds apart, we bail
and reschedule. We'll reschedule faster for the protected branches.
If the mirror already ran since it was scheduled, the job will be
skipped.
**Error handling: Remote side**
When an update fails because of a `Gitlab::Git::CommandError`, we
won't track this error in sentry, this could be on the remote side:
for example when branches have diverged.
In this case, we'll try 3 times scheduled 1 or 5 minutes apart.
In between, the mirror is marked as "to_retry", the error would be
visible to the user when they visit the settings page.
After 3 tries we'll mark the mirror as failed and notify the user.
We won't track this error in sentry, as it's not likely we can help
it.
The next event that would trigger a new refresh.
**Error handling: our side**
If an unexpected error occurs, we mark the mirror as failed, but we'd
still retry the job based on the regular sidekiq retries with
backoff. Same as we used to
The error would be reported in sentry, since its likely we need to do
something about it.
2019-08-13 20:52:01 +00:00
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expect { subject.perform(remote_mirror.id, Time.now, 1) }.to raise_error('Unexpected!')
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2018-05-03 12:55:14 +00:00
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Rework retry strategy for remote mirrors
**Prevention of running 2 simultaneous updates**
Instead of using `RemoteMirror#update_status` and raise an error if
it's already running to prevent the same mirror being updated at the
same time we now use `Gitlab::ExclusiveLease` for that.
When we fail to obtain a lease in 3 tries, 30 seconds apart, we bail
and reschedule. We'll reschedule faster for the protected branches.
If the mirror already ran since it was scheduled, the job will be
skipped.
**Error handling: Remote side**
When an update fails because of a `Gitlab::Git::CommandError`, we
won't track this error in sentry, this could be on the remote side:
for example when branches have diverged.
In this case, we'll try 3 times scheduled 1 or 5 minutes apart.
In between, the mirror is marked as "to_retry", the error would be
visible to the user when they visit the settings page.
After 3 tries we'll mark the mirror as failed and notify the user.
We won't track this error in sentry, as it's not likely we can help
it.
The next event that would trigger a new refresh.
**Error handling: our side**
If an unexpected error occurs, we mark the mirror as failed, but we'd
still retry the job based on the regular sidekiq retries with
backoff. Same as we used to
The error would be reported in sentry, since its likely we need to do
something about it.
2019-08-13 20:52:01 +00:00
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lease = Gitlab::ExclusiveLease.new("#{described_class.name}:#{remote_mirror.id}", timeout: 1.second)
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2018-05-03 12:55:14 +00:00
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Rework retry strategy for remote mirrors
**Prevention of running 2 simultaneous updates**
Instead of using `RemoteMirror#update_status` and raise an error if
it's already running to prevent the same mirror being updated at the
same time we now use `Gitlab::ExclusiveLease` for that.
When we fail to obtain a lease in 3 tries, 30 seconds apart, we bail
and reschedule. We'll reschedule faster for the protected branches.
If the mirror already ran since it was scheduled, the job will be
skipped.
**Error handling: Remote side**
When an update fails because of a `Gitlab::Git::CommandError`, we
won't track this error in sentry, this could be on the remote side:
for example when branches have diverged.
In this case, we'll try 3 times scheduled 1 or 5 minutes apart.
In between, the mirror is marked as "to_retry", the error would be
visible to the user when they visit the settings page.
After 3 tries we'll mark the mirror as failed and notify the user.
We won't track this error in sentry, as it's not likely we can help
it.
The next event that would trigger a new refresh.
**Error handling: our side**
If an unexpected error occurs, we mark the mirror as failed, but we'd
still retry the job based on the regular sidekiq retries with
backoff. Same as we used to
The error would be reported in sentry, since its likely we need to do
something about it.
2019-08-13 20:52:01 +00:00
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expect(lease.try_obtain).not_to be_nil
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end
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2018-05-03 12:55:14 +00:00
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Rework retry strategy for remote mirrors
**Prevention of running 2 simultaneous updates**
Instead of using `RemoteMirror#update_status` and raise an error if
it's already running to prevent the same mirror being updated at the
same time we now use `Gitlab::ExclusiveLease` for that.
When we fail to obtain a lease in 3 tries, 30 seconds apart, we bail
and reschedule. We'll reschedule faster for the protected branches.
If the mirror already ran since it was scheduled, the job will be
skipped.
**Error handling: Remote side**
When an update fails because of a `Gitlab::Git::CommandError`, we
won't track this error in sentry, this could be on the remote side:
for example when branches have diverged.
In this case, we'll try 3 times scheduled 1 or 5 minutes apart.
In between, the mirror is marked as "to_retry", the error would be
visible to the user when they visit the settings page.
After 3 tries we'll mark the mirror as failed and notify the user.
We won't track this error in sentry, as it's not likely we can help
it.
The next event that would trigger a new refresh.
**Error handling: our side**
If an unexpected error occurs, we mark the mirror as failed, but we'd
still retry the job based on the regular sidekiq retries with
backoff. Same as we used to
The error would be reported in sentry, since its likely we need to do
something about it.
2019-08-13 20:52:01 +00:00
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it 'retries 3 times for the worker to finish before rescheduling' do
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expect(subject).to receive(:in_lock)
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.with("#{described_class.name}:#{remote_mirror.id}",
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retries: 3,
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ttl: remote_mirror.max_runtime,
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sleep_sec: described_class::LOCK_WAIT_TIME)
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.and_raise(Gitlab::ExclusiveLeaseHelpers::FailedToObtainLockError)
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expect(described_class).to receive(:perform_in)
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.with(remote_mirror.backoff_delay, remote_mirror.id, scheduled_time, 0)
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subject.perform(remote_mirror.id, scheduled_time)
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2018-05-03 12:55:14 +00:00
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end
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end
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end
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