Integrate with ekka library
This commit is contained in:
Feng Lee
parent
e4ac8a56dd
commit
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71
etc/emq.conf
71
etc/emq.conf
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@ -7,14 +7,71 @@
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## Cluster
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##--------------------------------------------------------------------
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## The cluster Id
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cluster.id = emq
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## Cluster name
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cluster.name = ekka
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## Cookie for distributed node
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cluster.cookie = emqsecretcookie
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## Cluster Cookie
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cluster.cookie = ekkaclustercookie
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## The multicast address and port.
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cluster.multicast = 239.192.0.1:44369
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## Cluster Discovery: static | epmd | multicast | gossip | etcd | consul
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cluster.discovery = static
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## Cluster Autoheal: on | off
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cluster.autoheal = on
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## Clean down node of the cluster
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cluster.clean_down = 1h
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##--------------------------------------------------------------------
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## Cluster with epmd
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cluster.epmd.seeds = a@127.0.0.1,b@127.0.0.1
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##--------------------------------------------------------------------
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## Cluster with multicast
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## 1 second
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cluster.mcast.period = 1s
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cluster.mcast.addr = 239.192.0.1:4369
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cluster.mcast.iface = 0.0.0.0
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cluster.mcast.ttl = 1
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cluster.mcast.loop = on
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##--------------------------------------------------------------------
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## Cluster with Gossip
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cluster.gossip.seeds = 127.0.0.1:4369
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cluster.gossip.protocol_period = 1s
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cluster.gossip.suspicion_factor = 3
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##--------------------------------------------------------------------
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## Cluster with Etcd
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cluster.etcd.addr = 127.0.0.1:2367
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cluster.etcd.prefix = emq
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cluster.etcd.node_ttl = 30m
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##--------------------------------------------------------------------
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## Cluster by Consul
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cluster.consul.addr = 127.0.0.1:8500
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cluster.consul.acl_token = example-acl-token
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##--------------------------------------------------------------------
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## Discover by Kubernetes
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## cluster.k8s.selector = app=emq
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## cluster.k8s.node_basename = emq
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##--------------------------------------------------------------------
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## Node Args
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@ -24,7 +81,7 @@ cluster.multicast = 239.192.0.1:44369
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node.name = emqttd@127.0.0.1
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## Cookie for distributed node
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node.cookie = emqsecretcookie
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## node.cookie = emqsecretcookie
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## SMP support: enable, auto, disable
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node.smp = auto
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173
priv/emq.schema
173
priv/emq.schema
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@ -5,31 +5,168 @@
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%% Cluster
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%%--------------------------------------------------------------------
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%% Cluster ID
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{mapping, "cluster.id", "emqttd.cluster", [
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{default, "emq"},
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{datatype, string}
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%% @doc Cluster name
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{mapping, "cluster.name", "ekka.cluster_name", [
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{default, emqcl},
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{datatype, atom}
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]}.
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%% @doc Secret cookie for distributed erlang node
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%% @doc Secret cookie for the cluster
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{mapping, "cluster.cookie", "vm_args.-setcookie", [
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{default, "emqsecretcookie"}
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{default, "emqclustercookie"}
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]}.
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%% Cluster Multicast Addr
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{mapping, "cluster.multicast", "emqttd.cluster", [
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{default, "239.192.0.1:44369"},
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%% @doc Cluster discovery
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{mapping, "cluster.discovery", "ekka.cluster_discovery", [
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{default, manual},
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{datatype, atom}
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]}.
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%% @doc Cluster autoheal
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{mapping, "cluster.autoheal", "ekka.cluster_autoheal", [
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{datatype, flag},
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{default, on}
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]}.
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%% @doc Clean down node from the cluster
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{mapping, "cluster.clean_down", "ekka.cluster_clean_down", [
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{datatype, {duration, ms}},
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{default, "1h"}
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]}.
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%%--------------------------------------------------------------------
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%% Cluster with epmd
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{mapping, "cluster.epmd.seeds", "ekka.cluster_discovery", [
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{datatype, string}
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]}.
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{translation, "emqttd.cluster", fun(Conf) ->
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Multicast = cuttlefish:conf_get("cluster.multicast", Conf),
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[Addr, Port] = string:tokens(Multicast, ":"),
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{ok, Ip} = inet_parse:address(Addr),
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[{id, cuttlefish:conf_get("cluster.id", Conf)},
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{multicast, {Ip, list_to_integer(Port)}}]
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%%--------------------------------------------------------------------
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%% Cluster with IP Multicast
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{mapping, "cluster.mcast.addr", "ekka.cluster_discovery", [
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{datatype, ip}
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]}.
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{mapping, "cluster.mcast.period", "ekka.cluster_discovery", [
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{datatype, {duration, ms}},
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{default, "1s"}
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]}.
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{mapping, "cluster.mcast.iface", "ekka.cluster_discovery", [
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{datatype, string},
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{default, "0.0.0.0"}
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]}.
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{mapping, "cluster.mcast.ttl", "ekka.cluster_discovery", [
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{datatype, integer},
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{default, 1}
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]}.
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{mapping, "cluster.mcast.loop", "ekka.cluster_discovery", [
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{datatype, flag},
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{default, on}
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]}.
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{mapping, "cluster.mcast.sndbuf", "ekka.cluster_discovery", [
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{datatype, bytesize},
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{default, "16KB"}
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]}.
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{mapping, "cluster.mcast.recbuf", "ekka.cluster_discovery", [
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{datatype, bytesize},
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{default, "16KB"}
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]}.
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{mapping, "cluster.mcast.buffer", "ekka.cluster_discovery", [
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{datatype, bytesize},
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{default, "32KB"}
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]}.
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{mapping, "cluster.gossip.seeds", "ekka.cluster_discovery", [
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{datatype, string}
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]}.
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{mapping, "cluster.gossip.protocol_period", "ekka.cluster_discovery", [
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{datatype, {duration, ms}},
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{default, "1s"}
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]}.
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{mapping, "cluster.gossip.suspicion_factor", "ekka.cluster_discovery", [
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{datatype, integer},
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{default, 3}
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]}.
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%%--------------------------------------------------------------------
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%% Cluster with Etcd
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{mapping, "cluster.etcd.addr", "ekka.cluster_discovery", [
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{datatype, string}
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]}.
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{mapping, "cluster.etcd.prefix", "ekka.cluster_discovery", [
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{datatype, string}
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]}.
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{mapping, "cluster.etcd.node_ttl", "ekka.cluster_discovery", [
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{datatype, {duration, ms}},
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{default, "1m"}
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]}.
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%%--------------------------------------------------------------------
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%% Cluster with Consul
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{mapping, "cluster.consul.addr", "ekka.cluster_discovery", [
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{datatype, ip}
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]}.
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{mapping, "cluster.consul.acl_token", "ekka.cluster_discovery", [
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{datatype, string}
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]}.
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{translation, "ekka.cluster_discovery", fun(Conf) ->
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Strategy = cuttlefish:conf_get("cluster.discovery", Conf),
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Filter = fun(Opts) -> [{K, V} || {K, V} <- Opts, V =/= undefined] end,
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IpPort = fun(S) ->
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[Addr, Port] = string:tokens(S, ":"),
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{ok, Ip} = inet:parse_address(Addr),
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{Ip, Port}
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end,
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Options = fun(static) ->
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[{seeds, cuttlefish:conf_get("cluster.epmd.seeds", Conf)}];
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(mcast) ->
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{Addr, Port} = cuttlefish:conf_get("cluster.mcast.addr", Conf),
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{ok, Ip} = inet:parse_address(Addr),
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{ok, Iface} = inet:parse_address(cuttlefish:conf_get("cluster.mcast.iface", Conf)),
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[{addr, Ip}, {port, Port}, {iface, Iface},
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{period, cuttlefish:conf_get("cluster.mcast.period", Conf)},
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{ttl, cuttlefish:conf_get("cluster.mcast.ttl", Conf, 1)},
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{loop, cuttlefish:conf_get("cluster.mcast.loop", Conf, true)}];
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(etcd) ->
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[{seeds, cuttlefish:conf_get("cluster.epmd.seeds", Conf)},
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{clean_down, cuttlefish:conf_get("cluster.epmd.clean_down", Conf, undefined)}];
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(gossip) ->
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[{seeds, [IpPort(S) || S <- string:tokens(",", cuttlefish:conf_get("cluster.gossip.seeds", Conf))]},
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{protocol_period, cuttlefish:conf_get("cluster.gossip.protocol_period", Conf)},
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{suspicion_factor, cuttlefish:conf_get("cluster.gossip.suspicion_factor", Conf, 3)}];
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(etcd) ->
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[{addr, cuttlefish:conf_get("cluster.etcd.addr", Conf)},
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{prefix, cuttlefish:conf_get("cluster.etcd.prefix", Conf, "emq")},
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{node_ttl, cuttlefish:conf_get("cluster.etcd.node_ttl", Conf, 60)}];
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(consul) ->
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[{addr, cuttlefish:conf_get("cluster.consul.addr", Conf)},
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{acl_token, cuttlefish:conf_get("cluster.consul.acl_token", Conf)}];
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(k8s) ->
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[{host, cuttlefish:conf_get("cluster.k8s.selector", Conf)},
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{acl_token, cuttlefish:conf_get("cluster.k8s.node_basename", Conf)}];
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(manual) ->
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[ ]
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end,
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{Strategy, Filter(Options(Strategy))}
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end}.
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%%--------------------------------------------------------------------
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%% Erlang Node
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%%--------------------------------------------------------------------
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@ -40,9 +177,9 @@ end}.
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]}.
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%% @doc Secret cookie for distributed erlang node
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{mapping, "node.cookie", "vm_args.-setcookie", [
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{default, "emqsecretcookie"}
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]}.
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%% {mapping, "node.cookie", "vm_args.-setcookie", [
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%% {default, "emqsecretcookie"}
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%%]}.
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%% @doc SMP Support
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{mapping, "node.smp", "vm_args.-smp", [
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