[v10] Periodically resync proxies to agents #18152
Merged
Conversation
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
rosstimothy
force-pushed
the
tross/backport-18050/v10
branch
from
5e77ea2 to
39b6a9d
Compare
Prior to #14262, resource watchers would periodically close their watcher, create a new one and refetch the current set of resources. It turns out that the reverse tunnel subsystem relied on this behavior to periodically broadcast the list of proxies to agents during steady state. Now that watchers are persistent and no longer perform a refetch, agents that are unable to connect to a proxy expire them after a period of time, and since they never receive the periodic refresh, they never attempt to connect to said proxy again. To remedy this, a new ticker is added to the `localsite` that grabs the current set of proxies from its proxy watcher and sends a discovery request to the agent. The frequency of the ticker is set to fire prior to the tracker would expire the proxy so that if a proxy exists in the cluster, then the agent will continually try to connect to it.
rosstimothy
force-pushed
the
tross/backport-18050/v10
branch
from
39b6a9d to
472271c
Compare
espadolini
approved these changes
Nov 4, 2022
fspmarshall
approved these changes
Nov 7, 2022
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Backports #18050 to branch/v10