net-monitor-pinger

About

net-monitor-pinger is used in conjunction with Hasura GraphQL Engine, hasura-ad-webhook, and net-monitor-ui to form a network monitoring service.

Install

go get github.com/korylprince/net-monitor-pinger

Configuration

Hasura GraphQL Engine should be set up with the SQL schema and metadata.json in the schema folder.

The service is configured with environment variables:

DNSWorkers="8"
DNSLookupInterval="30" # in minutes
PingWorkers="16"
PingBufferSize="1024"
PingInterval="15" # in seconds
PingTimeout="1000" # in milliseconds
PurgeInterval="60" # in minutes
PurgeOlderThan="1440" # in minutes
GraphQLEndpoint="ws://example.com/v1/graphql"
GraphQLAPISecret="really long key"

For more information see config.go.

Docker

You can use the pre-built Docker container, korylprince/net-monitor-pinger.

The Docker container supports Docker Secrets by appending _FILE to any variable, e.g. GRAPHQLAPISECRET_FILE=/run/secrets/<secret_name>.

Example

docker run -d --name="net-monitor-pinger" \
    -e GRAPHQLENDPOINT="ws://example.com/v1/graphql" \
    -e GRAPHQLAPISECRET_FILE="/run/secrets/api_secret" \
    --restart="always" \
    korylprince/net-monitor-pinger:latest