As with all other scripts we have presented so far, we will begin by setting some global variables.
If you do not know what these mean, check the Installing Spark from sources recipe.
Livy requires some configuration files from Hadoop. Thus, as part of this script, we allow you to install Hadoop should it not be present on your machine. That is why we now allow you to pass arguments to the downloadThePackage, unpack, and moveTheBinaries functions.
The changes to the functions are fairly self-explanatory, so for the sake of space, we will not be pasting the code here. You are more than welcome, though, to peruse the relevant portions of the installLivy.sh script.
Installing Livy drills down literally to downloading the package, ...
