# Deux

[](https://hex.pm/packages/deux)
Status monitor for external services:
- Redis: track specific keys values
- Ping: track status or body responses
## Installation
The package can be installed by adding `deux` to your list of dependencies in `mix.exs`:
```elixir
def deps do
[
{:deux, "~> 0.1.0"}
]
end
```
## Setup
Deux uses `exredis` to monitor redis services, you will need to configure it with
```
config :exredis,
reconnect: :no_reconnect,
max_queue: :infinity
```
if your application already have `exredis` you don't need to change your configuration
## Usage
### Add Redis
To monitor redis you need to add with
```
redis_source = Deux.Redis.add(name: "localhost", url: "redis://127.0.0.1:6379", filters: [%{filter: "flag:*"}])
```
### Add Ping
To monitor ping you need to add with
```
ping_source = Deux.Ping.add(name: "localhost", request: [method: :get, url: "http://127.0.0.1:3000"], mode: :body)
```
### Load sources
To load all sources reports
```
{:ok, sources} = Deux.list_sources()
```
You also can fetch an specific source with a given id
```
{:ok, source} = Deux.get_source("213243546576")
```
## Load on boot with config
You can also set your monitors to through the config
```
config :deux,
redis: [
%{
name: "localhost flags",
url: "redis://127.0.0.1:6379",
filters: [%{filter: "flag:*"}]
},
%{
name: "Another source",
url: "redis://services.example.com:6379",
filters: [%{regex: ~r/category_.*/}]
}
],
ping: [
%{
name: "Example pingdown",
request: [
method: :get,
url: "https://example.com/",
],
mode: :status
},
%{
name: "Config endpoint",
request: [
method: :get,
url: "https://example.com/api/v2/config",
],
mode: :body
}
]
```
Documentation can be generated with [ExDoc](https://github.com/elixir-lang/ex_doc)
and published on [HexDocs](https://hexdocs.pm). Once published, the docs can
be found at [https://hexdocs.pm/deux](https://hexdocs.pm/deux).