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feat: cluster info available in metrics

This commit is contained in:
Karol Kaczmarek 2021-04-14 22:34:32 +02:00 committed by Zaiming (Stone) Shi
parent cf16a822b8
commit 7b5422dbae
1 changed files with 19 additions and 1 deletions
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20
apps/emqx_prometheus/src/emqx_prometheus.erl
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@ -124,8 +124,10 @@ collect_mf(_Registry, Callback) ->
Metrics = emqx_metrics:all(), Metrics = emqx_metrics:all(),
Stats = emqx_stats:getstats(), Stats = emqx_stats:getstats(),
VMData = emqx_vm_data(), VMData = emqx_vm_data(),
ClusterData = emqx_cluster_data(),
_ = [add_collect_family(Name, Stats, Callback, gauge) || Name <- emqx_stats()], _ = [add_collect_family(Name, Stats, Callback, gauge) || Name <- emqx_stats()],
_ = [add_collect_family(Name, VMData, Callback, gauge) || Name <- emqx_vm()], _ = [add_collect_family(Name, VMData, Callback, gauge) || Name <- emqx_vm()],
_ = [add_collect_family(Name, ClusterData, Callback, gauge) || Name <- emqx_cluster()],
_ = [add_collect_family(Name, Metrics, Callback, counter) || Name <- emqx_metrics_packets()], _ = [add_collect_family(Name, Metrics, Callback, counter) || Name <- emqx_metrics_packets()],
_ = [add_collect_family(Name, Metrics, Callback, counter) || Name <- emqx_metrics_messages()], _ = [add_collect_family(Name, Metrics, Callback, counter) || Name <- emqx_metrics_messages()],
_ = [add_collect_family(Name, Metrics, Callback, counter) || Name <- emqx_metrics_delivery()], _ = [add_collect_family(Name, Metrics, Callback, counter) || Name <- emqx_metrics_delivery()],
@ -454,7 +456,13 @@ emqx_collect(emqx_vm_total_memory, VMData) ->
gauge_metric(?C(total_memory, VMData)); gauge_metric(?C(total_memory, VMData));
emqx_collect(emqx_vm_used_memory, VMData) -> emqx_collect(emqx_vm_used_memory, VMData) ->
gauge_metric(?C(used_memory, VMData)). gauge_metric(?C(used_memory, VMData));
emqx_collect(emqx_cluster_nodes_running, ClusterData) ->
gauge_metric(?C(nodes_running, ClusterData));
emqx_collect(emqx_cluster_nodes_stopped, ClusterData) ->
gauge_metric(?C(nodes_stopped, ClusterData)).
%%-------------------------------------------------------------------- %%--------------------------------------------------------------------
%% Indicators %% Indicators
@ -592,3 +600,13 @@ emqx_vm_data() ->
{process_total_messages, 0}, %% XXX: Plan removed at v5.0 {process_total_messages, 0}, %% XXX: Plan removed at v5.0
{cpu_idle, Idle}, {cpu_idle, Idle},
{cpu_use, 100 - Idle}] ++ emqx_vm:mem_info(). {cpu_use, 100 - Idle}] ++ emqx_vm:mem_info().
emqx_cluster() ->
[ emqx_cluster_nodes_running
, emqx_cluster_nodes_stopped
].
emqx_cluster_data() ->
#{running_nodes := Running, stopped_nodes := Stopped} = ekka_mnesia:cluster_info(),
[{nodes_running, length(Running)},
{nodes_stopped, length(Stopped)}].