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Only broadcast HostRemovedFromCluster when a host is part of a cluster #1611

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merged 6 commits into from
Jul 11, 2023
Merged

Only broadcast HostRemovedFromCluster when a host is part of a cluster #1611

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d615d40
Only broadcast `HostRemovedFromCluster` when Host is part of Cluster
jamie-suse Jul 10, 2023
8f87ce1
Reorder test assertions
jamie-suse Jul 11, 2023
6d4ac87
Add `cluster_id` to broadcast payload
jamie-suse Jul 11, 2023
762e367
Fix whitespace
jamie-suse Jul 11, 2023
21834be
Reduce `refute_broadcast()` timeout
jamie-suse Jul 11, 2023
f406559
Use default `timeout` value of 100 mS for `refute_broadcast`
jamie-suse Jul 11, 2023
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11 changes: 11 additions & 0 deletions lib/trento/application/projectors/host_projector.ex
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Original file line number Diff line number Diff line change
Expand Up @@ -275,6 +275,17 @@ defmodule Trento.HostProjector do
end
end

def after_update(
%HostRemovedFromCluster{host_id: host_id},
_,
%{host: %Trento.HostReadModel{cluster_id: nil}}
) do
TrentoWeb.Endpoint.broadcast("monitoring:hosts", "host_details_updated", %{
id: host_id,
cluster_id: nil
})
end

def after_update(
%HostDetailsUpdated{},
_,
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6 changes: 6 additions & 0 deletions test/trento/application/projectors/host_projector_test.exs
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Expand Up @@ -151,6 +151,10 @@ defmodule Trento.HostProjectorTest do
projection = Repo.get!(HostReadModel, host_id)

assert nil == projection.cluster_id

assert_broadcast "host_details_updated",
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%{id: ^host_id, cluster_id: nil},
1000
end

test "should not set the cluster_id to nil if a HostRemovedFromCluster event is received and the host is not part of the cluster anymore" do
Expand All @@ -172,6 +176,8 @@ defmodule Trento.HostProjectorTest do
projection = Repo.get!(HostReadModel, host_id)

assert cluster_id == projection.cluster_id

refute_broadcast "host_details_updated", %{id: ^host_id}
end

test "should update an existing host when HostDetailsUpdated event is received", %{
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