Fix bug with reserved connections to stale tablets#7879

Merged

harshit-gangal merged 22 commits intovitessio:masterfrom

planetscale:rc-t-fix

Apr 22, 2021

Commits on Apr 18, 2021

Commits on Apr 19, 2021

fix unit test
harshit-gangal
committed
added test for invalid target
harshit-gangal
committed
added ping command to e2e test to make rdonly available
harshit-gangal
committed
return query service using alias only if the query service is serving traffic and also has valid target
harshit-gangal
committed
moved few errors and regex to vterrors as were used at multiple place and were needed to be in sync
harshit-gangal
committed
added unit test for query served through different tablet if the current tablet is not servicable without querying the tablet and using heathcheck at vtgate
harshit-gangal
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added logic to check and reset shard session and also to acquire new query service connection if it matches the criteria
harshit-gangal
committed
added unit test to check query serving if the alias tablet target is changed
harshit-gangal
committed

Commits on Apr 21, 2021

addressed review comments
systay
committed

Commits on Apr 22, 2021