https://github.com/shenek/wait-for-them

Wait until TCP services are running.
https://github.com/shenek/wait-for-them

cli docker-compose rust

Last synced: 10 days ago
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Wait until TCP services are running.

• Host: GitHub
• URL: https://github.com/shenek/wait-for-them
• Owner: shenek
• Created: 2020-03-12T23:22:45.000Z (over 4 years ago)
• Default Branch: master
• Last Pushed: 2024-04-20T19:20:40.000Z (7 months ago)
• Last Synced: 2024-05-21T00:55:05.789Z (6 months ago)
• Topics: cli, docker-compose, rust
• Language: Rust
• Size: 219 KB
• Stars: 15
• Watchers: 4
• Forks: 1
• Open Issues: 9
• Metadata Files:
  • Readme: README.md
  • Changelog: CHANGELOG.rst

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# Wait-For-Them

Waits until all provided host and port pairs are opened or return status 200 in case of http(s) url.

It is written using async rust.

![Cast](/wait-for-them.gif)

## Installation

There are currently two way how to install the app.

You can install the binary only with a minimal subset of features.

```bash

cargo install wait-for-them --no-default-features

```

Or you can install it with all its features (including the nice progressbars and http(s) support).

```bash

cargo install wait-for-them

```

## Running

### Wait forever

```bash

wait-for-them host1:port1 host2:port2 http://host3:8080/

```

### Wait with timeout (in milliseconds)

```

wait-for-them -t 5000 host1:port1 host2:port2 http://host3:8080/

```

Note that it returns a number of unopened host:port combinations.

So if it worked ok it returns standard `0`.

### Execute a command after all hosts have opened ports

```

wait-for-them host1:port1 host2:port2 http://host3:8080/ -- cmd arg1 arg2

```

Note that if the ports are opened it returns the status code of cmd.

## Motivation

The main motivation of this program was to use it within `docker-compose` config file (see `docker-compose.yml`).

To support waiting for multiple hostname:port records in parallel.