# CAI-Watchdog

Watchdog for monitoring web-services

## Requirements

**On \*nix:** OpenSSL 1.0.1, 1.0.2, 1.1.0, or 1.1.1 with headers (see https://github.com/sfackler/rust-openssl)

**On Windows:** Nothing

## Configuration file

Default configuration file location:

**On \*nix:** /etc/cai-watchdog.conf

**On Windows:** current directory

You can specify config file as parameter: ```cai-watchdog /path/to/config/config_file.conf``` (*nix) or ```cai-watchdog.exe drive:\path\to\config\config_file.ini``` (Windows)

### Configuration file parameters

```
[main]
check_interval - Interval between checks in seconds
rules_count - Rules count to be loaded from config. Rules sections must be enumerated continuously [rule1], [rule2] ... etc

[notifications]
email - E-mail address for system notifications. Can be empty
command - Command to send notification
service_start - Send program start notification [true | false]

[rule1]
service = Service name
uri = URI to be checked
email = E-mail address for notifications
command = Command to send notification
```

In commands You can use fields ```<email>```, ```<subject>``` and ```<message>```

- ```<email>``` - E-mail address for notifications
- ```<subject>``` - E-mail subject
- ```<message>``` - Message text

### Scripts configurations

#### *nix

##### send-telegram

Next lines needs to be configured:

- ```GROUP_ID=<group_id>``` - Set Telegram group ID here
- ```BOT_TOKEN=<bot_token>``` - Set Telegram token here
#### Windows

##### send-mail.ps1

Next lines needs to be configured:

- ```$EmailFrom = "yourmailadress@somedomain.com"``` - Set sender e-mail address here
- ```$SMTPServer = "smtp.somedomain.com"``` - Set SMTP-server address here
- ```$SMTPClient.EnableSsl = $true``` - Set SSL flag here
- ```$SMTPClient.Credentials = New-Object System.Net.NetworkCredential("usr", "pass");``` - Set user ("usr") and password ("pass") here

##### send-telegram.ps1

- ```$Telegramtoken = "Your_Telegram_Token"``` - Set Telegram token here
- ```$Telegramchatid = "Your_Telegram_Chat_ID"``` - Set Telegram chat ID here

### How to get Telegram token and chat ID

1. Open ```@BotFather``` bot
1. Run ```/newbot``` command and give name to your new bot
1. Enter a username for the bot
1. Take note of the API token. We will need this later. **Note:** it is case sensitive
1. Click the link to open a chat with the newly created bot

Next you need to find your Telegram Chat ID.

1. From the Telegram home screen, search for ```chatid_echo_bot```. Click Chat ID Echo to open a chat
1. Enter ```/start``` to get the bot to send you your Telegram Chat ID
1. Take note of the Telegram Chat ID returned