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feat: high availability setup #53

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feat: high availability setup #53

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8 changes: 8 additions & 0 deletions config/config.exs
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Original file line number Diff line number Diff line change
Expand Up @@ -15,3 +15,11 @@ import Config
# level: :info,
# format: "$date $time [$level] $metadata$message\n",
# metadata: [:user_id]

config :libcluster,
topologies: [
local: [
strategy: Cluster.Strategy.Epmd,
config: [hosts: [:a@fedora, :b@fedora]]
]
]
3 changes: 3 additions & 0 deletions lib/dbreplex.ex
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Expand Up @@ -6,7 +6,10 @@ defmodule DBReplex do

@impl true
def start(_type, _args) do
topologies = Application.get_env(:libcluster, :topologies)

children = [
{Cluster.Supervisor, [topologies, [name: DBReplex.ClusterSupervisor]]},
{DynamicSupervisor, strategy: :one_for_one, name: MainApp.DynamicSupervisor},
{Registry, [keys: :duplicate, name: PublisherRegistry]}
]
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3 changes: 2 additions & 1 deletion mix.exs
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Expand Up @@ -28,7 +28,8 @@ defmodule DbSubscriptor.MixProject do
[
{:dialyxir, "~> 1.4", only: [:dev, :test], runtime: false},
{:postgrex, "~> 0.20.0"},
{:boundary, "~> 0.10", runtime: false}
{:boundary, "~> 0.10", runtime: false},
{:libcluster, "~> 3.5"}
]
end
end
2 changes: 2 additions & 0 deletions mix.lock
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Expand Up @@ -4,6 +4,8 @@
"decimal": {:hex, :decimal, "2.3.0", "3ad6255aa77b4a3c4f818171b12d237500e63525c2fd056699967a3e7ea20f62", [:mix], [], "hexpm", "a4d66355cb29cb47c3cf30e71329e58361cfcb37c34235ef3bf1d7bf3773aeac"},
"dialyxir": {:hex, :dialyxir, "1.4.5", "ca1571ac18e0f88d4ab245f0b60fa31ff1b12cbae2b11bd25d207f865e8ae78a", [:mix], [{:erlex, ">= 0.2.7", [hex: :erlex, repo: "hexpm", optional: false]}], "hexpm", "b0fb08bb8107c750db5c0b324fa2df5ceaa0f9307690ee3c1f6ba5b9eb5d35c3"},
"erlex": {:hex, :erlex, "0.2.7", "810e8725f96ab74d17aac676e748627a07bc87eb950d2b83acd29dc047a30595", [:mix], [], "hexpm", "3ed95f79d1a844c3f6bf0cea61e0d5612a42ce56da9c03f01df538685365efb0"},
"jason": {:hex, :jason, "1.4.4", "b9226785a9aa77b6857ca22832cffa5d5011a667207eb2a0ad56adb5db443b8a", [:mix], [{:decimal, "~> 1.0 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: true]}], "hexpm", "c5eb0cab91f094599f94d55bc63409236a8ec69a21a67814529e8d5f6cc90b3b"},
"libcluster": {:hex, :libcluster, "3.5.0", "5ee4cfde4bdf32b2fef271e33ce3241e89509f4344f6c6a8d4069937484866ba", [:mix], [{:jason, "~> 1.1", [hex: :jason, repo: "hexpm", optional: false]}, {:telemetry, "~> 1.3", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "ebf6561fcedd765a4cd43b4b8c04b1c87f4177b5fb3cbdfe40a780499d72f743"},
"postgrex": {:hex, :postgrex, "0.20.0", "363ed03ab4757f6bc47942eff7720640795eb557e1935951c1626f0d303a3aed", [:mix], [{:db_connection, "~> 2.1", [hex: :db_connection, repo: "hexpm", optional: false]}, {:decimal, "~> 1.5 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}, {:table, "~> 0.1.0", [hex: :table, repo: "hexpm", optional: true]}], "hexpm", "d36ef8b36f323d29505314f704e21a1a038e2dc387c6409ee0cd24144e187c0f"},
"telemetry": {:hex, :telemetry, "1.3.0", "fedebbae410d715cf8e7062c96a1ef32ec22e764197f70cda73d82778d61e7a2", [:rebar3], [], "hexpm", "7015fc8919dbe63764f4b4b87a95b7c0996bd539e0d499be6ec9d7f3875b79e6"},
}