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Health summary with clusters and databases #878

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merged 6 commits into from
Oct 7, 2022
Merged

Health summary with clusters and databases #878

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7596fc9
WIP on HealthSummaryDTO
CDimonaco Oct 6, 2022
cc29ec9
Add test to the health summary service
CDimonaco Oct 7, 2022
5d40003
Formatting code
CDimonaco Oct 7, 2022
da62560
Fix typespec in health summary service
CDimonaco Oct 7, 2022
ae9c276
Health Summary DTO has database and cluster id as Ecto.UUID
CDimonaco Oct 7, 2022
3580e6e
Refactored field extraction in Health Summary Service/DTO
CDimonaco Oct 7, 2022
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2 changes: 2 additions & 0 deletions lib/trento/application/usecases/sap_systems/dto/health_summary_dto.ex
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,8 @@ defmodule Trento.Application.UseCases.SapSystems.HealthSummaryDto do
field :sapsystem_health, Ecto.Enum, values: Health.values()
field :database_health, Ecto.Enum, values: Health.values()
field :clusters_health, Ecto.Enum, values: Health.values()
field :cluster_id, Ecto.UUID
field :database_id, Ecto.UUID
field :hosts_health, Ecto.Enum, values: [:passing, :critical, :unknown]
end
end
16 changes: 15 additions & 1 deletion lib/trento/application/usecases/sap_systems/health_summary_service.ex
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Expand Up @@ -48,7 +48,9 @@ defmodule Trento.SapSystems.HealthSummaryService do
sapsystem_health: health,
database_health: compute_database_health(database_instances),
clusters_health: compute_clusters_health(all_instances),
hosts_health: compute_hosts_health(all_instances)
hosts_health: compute_hosts_health(all_instances),
cluster_id: extract_cluster_id(database_instances),
database_id: extract_database_id(database_instances)
})
end

Expand All @@ -70,6 +72,18 @@ defmodule Trento.SapSystems.HealthSummaryService do
|> HealthService.compute_aggregated_health()
end

@spec extract_database_id([DatabaseInstanceReadModel.t()]) :: String.t()
defp extract_database_id([]), do: nil

defp extract_database_id([%DatabaseInstanceReadModel{sap_system_id: sap_system_id} | _]),
do: sap_system_id

@spec extract_cluster_id([DatabaseInstanceReadModel.t()]) :: String.t()
defp extract_cluster_id([]), do: nil

defp extract_cluster_id([%DatabaseInstanceReadModel{host: %{cluster_id: cluster_id}} | _]),
do: cluster_id

@spec clusters_from_instance(instance_list) :: [ClusterReadModel.t()]
defp clusters_from_instance(instances) do
instances
Expand Down
57 changes: 0 additions & 57 deletions test/support/factory.ex
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Expand Up @@ -433,61 +433,4 @@ defmodule Trento.Factory do
msg: Faker.StarWars.planet()
}
end

def sap_system_with_cluster_and_hosts do
%ClusterReadModel{id: cluster_id} =
insert(:cluster, type: ClusterType.hana_scale_up(), health: Health.passing())

%ClusterReadModel{id: another_cluster_id} =
insert(:cluster, type: ClusterType.hana_scale_up(), health: Health.warning())

%HostReadModel{id: host_1_id} = insert(:host, cluster_id: cluster_id, heartbeat: :unknown)

%HostReadModel{id: host_2_id} =
insert(:host, cluster_id: another_cluster_id, heartbeat: :passing)

database_sid = "HDD"

%SapSystemReadModel{
id: sap_system_id,
sid: sid
} = insert(:sap_system, health: Health.passing())

insert(
:database_instance_without_host,
sap_system_id: sap_system_id,
sid: database_sid,
host_id: host_1_id,
health: Health.warning()
)

insert(
:database_instance_without_host,
sap_system_id: sap_system_id,
sid: database_sid,
host_id: host_2_id,
health: Health.critical()
)

insert(
:application_instance_without_host,
sap_system_id: sap_system_id,
sid: sid,
host_id: host_1_id,
health: Health.passing()
)

insert(
:application_instance_without_host,
sap_system_id: sap_system_id,
sid: sid,
host_id: host_2_id,
health: Health.warning()
)

%{
sap_system_id: sap_system_id,
sid: sid
}
end
end
40 changes: 33 additions & 7 deletions test/trento/application/usecases/health_summary_service_test.exs
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Expand Up @@ -8,6 +8,8 @@ defmodule Trento.HealthSummaryServiceTest do

alias Trento.Application.UseCases.SapSystems.HealthSummaryDto
alias Trento.SapSystems.HealthSummaryService
require Trento.Domain.Enums.Health, as: Health
require Trento.Domain.Enums.ClusterType, as: ClusterType

alias Trento.{
HostReadModel,
Expand Down Expand Up @@ -47,19 +49,43 @@ defmodule Trento.HealthSummaryServiceTest do
end

test "should determine health summary for a SAP System" do
%{
sap_system_id: sap_system_id,
%Trento.ClusterReadModel{id: cluster_id} =
insert(:cluster, type: ClusterType.hana_scale_up(), health: Health.passing())

%Trento.HostReadModel{id: host_1_id} =
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We could rename host_1_id to host_id

insert(:host, cluster_id: cluster_id, heartbeat: :unknown)

%Trento.SapSystemReadModel{
id: sap_system_id,
sid: sid
} = sap_system_with_cluster_and_hosts()
} = insert(:sap_system, health: Health.critical())

insert(
:database_instance_without_host,
sap_system_id: sap_system_id,
sid: "HDD",
host_id: host_1_id,
health: Health.warning()
)

insert(
:application_instance_without_host,
sap_system_id: sap_system_id,
sid: sid,
host_id: host_1_id,
health: Health.critical()
)

assert [
%HealthSummaryDto{
id: ^sap_system_id,
sid: ^sid,
sapsystem_health: :passing,
database_health: :critical,
clusters_health: :warning,
hosts_health: :unknown
sapsystem_health: :critical,
database_health: :warning,
clusters_health: :passing,
hosts_health: :unknown,
database_id: ^sap_system_id,
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now I bit confused it this is the database id or the sap system id hehe
Because if it is the same, we are sending it twice, in the id and in the database_id.

Now i'm thinking both of them might have the same id, the difference in the frontend is that we get one with /sap_systems/id and the other with /databases/id.
Could you double check this?

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As far as I understood, they are not the same 👀

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They can but can also be different

cluster_id: ^cluster_id
}
] = HealthSummaryService.get_health_summary()
end
Expand Down
40 changes: 33 additions & 7 deletions test/trento_web/controllers/health_overview_controller_test.exs
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Expand Up @@ -2,12 +2,36 @@ defmodule TrentoWeb.HealthOverviewControllerTest do
use TrentoWeb.ConnCase, async: true

import Trento.Factory
require Trento.Domain.Enums.Health, as: Health
require Trento.Domain.Enums.ClusterType, as: ClusterType

test "should return the expected overview", %{conn: conn} do
%{
sap_system_id: sap_system_id,
%Trento.ClusterReadModel{id: cluster_id} =
insert(:cluster, type: ClusterType.hana_scale_up(), health: Health.passing())

%Trento.HostReadModel{id: host_1_id} =
insert(:host, cluster_id: cluster_id, heartbeat: :unknown)

%Trento.SapSystemReadModel{
id: sap_system_id,
sid: sid
} = sap_system_with_cluster_and_hosts()
} = insert(:sap_system, health: Health.critical())

insert(
:database_instance_without_host,
sap_system_id: sap_system_id,
sid: "HDD",
host_id: host_1_id,
health: Health.warning()
)

insert(
:application_instance_without_host,
sap_system_id: sap_system_id,
sid: sid,
host_id: host_1_id,
health: Health.critical()
)

conn = get(conn, Routes.health_overview_path(conn, :overview))

Expand All @@ -17,10 +41,12 @@ defmodule TrentoWeb.HealthOverviewControllerTest do
%{
"id" => "#{sap_system_id}",
"sid" => "#{sid}",
"sapsystem_health" => "passing",
"database_health" => "critical",
"clusters_health" => "warning",
"hosts_health" => "unknown"
"sapsystem_health" => "critical",
"database_health" => "warning",
"clusters_health" => "passing",
"hosts_health" => "unknown",
"database_id" => "#{sap_system_id}",
"cluster_id" => "#{cluster_id}"
}
] == json_response(conn, 200)
end
Expand Down