https://github.com/bostrt/java-inetaddress

https://github.com/bostrt/java-inetaddress

Last synced: 19 days ago
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• Host: GitHub
• URL: https://github.com/bostrt/java-inetaddress
• Owner: bostrt
• Created: 2018-07-11T21:09:30.000Z (over 6 years ago)
• Default Branch: master
• Last Pushed: 2019-01-24T00:54:12.000Z (almost 6 years ago)
• Last Synced: 2024-11-01T10:08:40.359Z (2 months ago)
• Language: Java
• Size: 1.95 KB
• Stars: 0
• Watchers: 2
• Forks: 2
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# What is?

A simple Java application that repeatedly runs `InetAddress.getByName` with a given hostname (`TEST_HOSTNAME` env var) and prints results. 

# How to run

## Avaiable environment variables

- `TEST_HOSTNAME` - The hostname to resolve. This is *required* and has no default value.

- `DEBUG` - Print out DNS query results each request. Default is `false` and only prints failures.

- `DELAY` - The delay in seconds between each DNS query. Default is `10` seconds.

## Without docker

```

# javac Main.java

DEBUG=true TEST_HOSTNAME=redhat.com java Main

Wed Jan 23 17:51:04 MST 2019

redhat.com => redhat.com/10.4.204.55

Time to resolve (ms) => 28

...

```

## With docker

```

# git clone https://github.com/bostrt/java-inetaddress.git

# cd java-inetaddress

# docker build -t java-inetaddress .

# docker run --rm -it -e TEST_HOSTNAME=redhat.com java-inetaddress

```

## With OpenShift

```

# oc new-app https://github.com/bostrt/java-inetaddress.git

# oc set env dc/java-inetaddress TEST_HOSTNAME=redhat.com DEBUG=false

```