UPSTREAM <90175>: pkg/proxy: add last-queued-timestamp metric #126
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This adds a metric, kubeproxy_sync_proxy_rules_last_queued_timestamp, that captures the last time a change was queued to be applied to the proxy. This matches the healthz logic, which fails if a pending change is stale.
This allows us to write alerts that mirror healthz.
Signed-off-by: Casey Callendrello cdc@redhat.com
/cc @dcbw who merged the upstream change.