Distributor IPv6 support (#4840)

* Distributor IPv6 support

Add configuration to enable IPv6 support to distributor's ring.
This would be needed to enable a global rate strategy in a an IPv6
cluster.

* updated manifest

CHANGELOG.md

@@ -47,6 +47,7 @@ configurable via the throughput_bytes_slo field, and it will populate op="traces
 * [ENHANCEMENT] TraceQL: add support for querying by parent span id [#4692](https://github.com/grafana/tempo/pull/4692) (@ie-pham)
 * [ENHANCEMENT] metrics-generator: allow skipping localblocks and consuming from a different source of data [#4686](https://github.com/grafana/tempo/pull/4686) (@flxbk)
 * [ENHANCEMENT] compactor: restore dedicated columns logging for completed blocks
+* [ENHANCEMENT] distributor: add IPv6 support [#4840](https://github.com/grafana/tempo/pull/4840) (@gjacquet)
 * [BUGFIX] Choose a default step for a gRPC streaming query range request if none is provided. [#4546](https://github.com/grafana/tempo/pull/4576) (@joe-elliott)
   Correctly copy exemplars for metrics like `| rate()` when gRPC streaming.
 * [BUGFIX] Fix performance bottleneck and file cleanup in block builder [#4550](https://github.com/grafana/tempo/pull/4550) (@mdisibio)

docs/sources/tempo/configuration/manifest.md

@@ -176,6 +176,7 @@ distributor:
             - en0
         instance_port: 0
         instance_addr: ""
+        enable_inet6: false
     receivers: {}
     override_ring_key: distributor
     forwarders: []

modules/distributor/distributor_ring.go

@@ -27,6 +27,7 @@ type RingConfig struct {
 	InstanceInterfaceNames []string `yaml:"instance_interface_names"`
 	InstancePort           int      `yaml:"instance_port" doc:"hidden"`
 	InstanceAddr           string   `yaml:"instance_addr" doc:"hidden"`
+	EnableInet6            bool     `yaml:"enable_inet6"`
 
 	// Injected internally
 	ListenPort int `yaml:"-"`
@@ -74,6 +75,7 @@ func (cfg *RingConfig) ToLifecyclerConfig() ring.LifecyclerConfig {
 	lc.ListenPort = cfg.ListenPort
 	lc.Addr = cfg.InstanceAddr
 	lc.Port = cfg.InstancePort
+	lc.EnableInet6 = cfg.EnableInet6
 	lc.ID = cfg.InstanceID
 	lc.InfNames = cfg.InstanceInterfaceNames
 	lc.UnregisterOnShutdown = true