grachevko/wait-for-it
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Giles Hall
2016-02-02 14:31:55 -05:00
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README.md
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@@ -1,8 +1,8 @@
=Wait for it= # Wait for it
wait-for-it.sh is a pure bash script that wait on the availability of a host and TCP port. It is useful for synchronizing the spin-up of interdependent services, such as linked docker containers. Since it is a pure bash script, it does not have any external dependencies. `wait-for-it.sh` is a pure bash script that wait on the availability of a host and TCP port. It is useful for synchronizing the spin-up of interdependent services, such as linked docker containers. Since it is a pure bash script, it does not have any external dependencies.
==Usage== ## Usage
``` ```
wait-for-it.sh host:port [-s] [-t timeout] [-- command args] wait-for-it.sh host:port [-s] [-t timeout] [-- command args]
@@ -16,9 +16,9 @@ wait-for-it.sh host:port [-s] [-t timeout] [-- command args]
-- COMMAND ARGS Execute command with args after the test finishes -- COMMAND ARGS Execute command with args after the test finishes
``` ```
==Examples== ## Examples
For example, let's test to see if we can access port 80 on www.google.com, and if it is available, echo the message "Let's start googling!" For example, let's test to see if we can access port 80 on www.google.com, and if it is available, echo the message `google is up`.
``` ```
$ ./wait-for-it.sh www.google.com:80 -- echo "google is up" $ ./wait-for-it.sh www.google.com:80 -- echo "google is up"