Role fails to install JRE on Ubuntu 14.04 about ansible-role-zeppelin HOT 7 CLOSED

@kevincoakley I'd personally prefer option 1, since the PPAs do have issues, as you mentioned. It's enough for me to have the role fail when a sufficient version of Java is missing. But what about another option: installing Java 7 on 14.04? It seems to be supported according to the documentation.

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@danielkza @smiller171 The reason why I didn't include the install for Java 1.8 on Ubuntu 14.04 is (1) I am not a heavy Ubuntu user and (2) Canonical doesn't include 1.8 for 14.04, so I don't know what the best practice is for installing 1.8 and which PPA should be used.

I know there are PPAs for both Oracle Java and OpenJDK and both seem to have their own issues (Oracle being proprietary and OpenJDK being out of date).

Here are possible solutions:

1. Write an Ansible check for Java 1.8 and fail if it isn't installed
2. Merge #5
3. Remove Java completely from this role and require another role that installs Java

Let me know what you think. It is highly unlikely that I would ever use Ubuntu 14.04 so which solution you choose will not affect me.

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@danielkza The data scientists that I work with all use Java 8 so I never bothered to look at the documentation to find the minimum Java requirements. Using Java 7 with Ubuntu 14.04 does seem like the most logical solution. I will take a look at added Java 7 + Ubuntu 14.04 and adding a check to verify Java is installed.

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I'll go ahead and close my PR then

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@kevincoakley Would you like me to work on it? I have a bit of free time today.

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@danielkza Sure, I have errands to run in the morning, so I won't be able to look at this until this afternoon. Thank you!

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Merged pull request #6

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