haproxy_exporter: escape cnf_scrape_uri to avoid malformed strings

[Arnoways]

Pull Request (PR) description

Hello, this PR changes the way cnf_scrape_uri is being escaped in manifests/haproxy_exporter.pp to avoid malformed string like the one being described in Issue #600.

This Pull Request (PR) fixes the following issues

Fixes #600

[bastelfreak]

Hi,
thanks for providing this PR. Could you add a unit test to verify this works as expected?

[Arnoways]

Hi, thanks for providing this PR. Could you add a unit test to verify this works as expected?

Hello, I never done any tests in ruby so I hope this is what you expected. Let me know if you need something else 👍

[Arnoways]

Hi, thanks for providing this PR. Could you add a unit test to verify this works as expected?

Hello, I never done any tests in ruby so I hope this is what you expected. Let me know if you need something else 👍

[bastelfreak]

@Arnoways do you have any idea why the tests fail on Ubuntu 16?

[Arnoways]

@Arnoways do you have any idea why the tests fail on Ubuntu 16?

I have no idea. I don't see any relation between the errors and my modification. Do you think you can run them manually just in case ?