[teleport-update] use new updater to reload and verify Teleport #51734
+253
−170
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This PR moves the healthcheck and agent restart logic into the copy of
teleport-update
that is being installed byteleport-update update
. This ensures that any bugs are caught on the leading-edge of the update process, so that a broken version ofteleport-update
is less likely to be installed and prevent future updates.The
teleport-update
binary will be used to enable, disable, and trigger automatic Teleport agent updates. The new auto-updates system manages a local installation of the cluster-specified version of Teleport stored in/opt/teleport
.RFD: #47126
Goal (internal): https://github.com/gravitational/cloud/issues/10289