Go-watchdog - a web application observability tool built for Go

Overview

go-watchdog

Go-watchdog is a web application observability tool built for Go, it exposes a status endpoint for application services like databases, caches, message-brokers, mails and storages.

Setting up Go-watchdog

Go-watchdog is pretty much loosely-coupled hence allowing developers the ease to customize it to their use cases. The bases schema for configuring watchdog, is the WatchdogConfig struct,

# The watchdog Struct

import(
	"github.com/salemzii/go-watchdog/caches"
	"github.com/salemzii/go-watchdog/databases"
	storages "github.com/salemzii/go-watchdog/storages"
)

type WatchdogConfig struct {
	//Path      string               `json:"path"`
	Databases []databases.Database `json:"databases"`
	Caches    []caches.Cache       `json:"caches"`
	Storages  []storages.Storage   `json:"storages"`
}
	# Initializing WatchDog
	
	import (
		app "github.com/salemzii/go-watchdog/app"
		"github.com/salemzii/go-watchdog/caches"
		"github.com/salemzii/go-watchdog/databases"
		storages "github.com/salemzii/go-watchdog/storages"
		"github.com/salemzii/go-watchdog/utils"
	)

	watchDogConfig := utils.WatchdogConfig{

		Databases: []databases.Database{

			{Type: "postgresql",
				Name:     "username",
				Addrs:    "db.elephantsql.com",
				Password: "password",
				Username: "username"},

			{Type: "mongodb",
				UriOnly: "mongodb+srv://username:[email protected]"},
		},

		Caches: []caches.Cache{
			{Type: "redis", Addrs: "", Password: ""},
		},

		Storages: []storages.Storage{
			{Type: "aws", Region: "", BUCKET: ""},
		},
	}

Since, each service (i.e databases, storages etc) requires distinct parameters to make connection to it's server, the watchdog struct fields generally represents a slice of particular service type.

Registering Watchdog

Once you've configured the services you want to watch as specified above, you can call the utils.Register() function to make your watchdog config available to the the watchdog "ServiceCheckers". Usually you can register the config by passing it's memory address to the register function: func Register(conf *WatchdogConfig) { Config = *conf }

"utils.Register(&watchDogConfig)"

Preview Desktop view

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Preview Mobile View

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Databases

The watchdog database struct lets you config your db's credentials;

Type: The type of database you're configuring.
Name: The name of the database you're connecting to.
Addrs: The uri to the database's server.
Username: The db's username.
Password: The db's password.
Timeout: number of seconds to wait before timeout error, Watchdog sets the default to 10secs.
UriOnly: In Cases where db's credentials are already preconfigured to a single address/URL. If this value is set, watchdog automatically makes 		connection to the db's server using the credentials specified in the uri.

``` go 
	type Database struct {
		Type     string `json:"type"`
		Name     string `json:"name"`
		Username string `json:"username"`
		Password string `json:"password"`
		Addrs    string `json:"addrs"`
		Timeout  uint   `json:"timeout"`
		UriOnly  string `json:"uri_only"` // when db credentials are already preconfigured to a single address/URL
		Uri      string `json:"uri"`     
	}```

Supported Databases: Currently go-watchdog supports just a handful of databases services, we are working endlessly to add support for more databases, you can also do well to contribute as any effort is appreciated.

```
	"SQL":   {"mysql", "sqlite", "postgresql", "oracle", "sql-server"},
	"NO-SQL": {"mongodb", "couchbase", "dynamodb", "cockroachDB"},
```
Owner
salem ododa
Software Engineer Python, Go
salem ododa
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