This should be simple, and I think I once understood it, but I cannot find
the answer now.
I'm writing a script to install Java JDK on systems and what the users to
enter a version number
# Available versions 8u77 - Older 11 20,25,31,45,51,66,77
: ${version:=*%java_version%*}
: ${app_dir:="/usr/lib/java"}
: ${conf_dir:="/etc/java"}
:
${packagerepo_path:="https://s3-us-west-2.amazonaws.com/bucket/path/to/binaries"}
Later in the script I curl the binary and install it.
*PROBLEM*
I thought I could make %java_version% a required variable were the user
could not. Instead, it's seems like adding %java_version% is optional.
*QUESTIONS*
Can I make it a required parameter before the instance will save or start?
Can I set a default and let them override it?
I like both of those methods and would use them at different times if they
are available. Oh... and I can share this script if anyone needs something
like it. You'd have to manage your own packagerepo, but that's pretty easy.
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