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lifecycle.go
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/
lifecycle.go
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package ruler
import (
"github.com/cortexproject/cortex/pkg/ring"
)
func (r *Ruler) OnRingInstanceRegister(_ *ring.BasicLifecycler, ringDesc ring.Desc, instanceExists bool, instanceID string, instanceDesc ring.InstanceDesc) (ring.InstanceState, ring.Tokens) {
// When we initialize the ruler instance in the ring we want to start from
// a clean situation, so whatever is the state we set it ACTIVE, while we keep existing
// tokens (if any).
var tokens []uint32
if instanceExists {
tokens = instanceDesc.GetTokens()
}
takenTokens := ringDesc.GetTokens()
newTokens := ring.GenerateTokens(r.cfg.Ring.NumTokens-len(tokens), takenTokens)
// Tokens sorting will be enforced by the parent caller.
tokens = append(tokens, newTokens...)
return ring.ACTIVE, tokens
}
func (r *Ruler) OnRingInstanceTokens(_ *ring.BasicLifecycler, _ ring.Tokens) {}
func (r *Ruler) OnRingInstanceStopping(_ *ring.BasicLifecycler) {}
func (r *Ruler) OnRingInstanceHeartbeat(_ *ring.BasicLifecycler, _ *ring.Desc, _ *ring.InstanceDesc) {
}