bug 1537857. Additional logging proxy metrics fixes

[jcantrill]

This PR provides additional fixes to:

• set the password correctly by properly decoding
• modifying the default prometheus namespace if one isnt provided

ref: https://bugzilla.redhat.com/show_bug.cgi?id=1537857

[ewolinetz]

/lgtm

[ewolinetz]

/lgtm

[openshift-merge-robot]

/test all [submit-queue is verifying that this PR is safe to merge]

[openshift-merge-robot]

Automatic merge from submit-queue.

[openshift-ci-robot]

@jcantrill: The following tests failed, say /retest to rerun them all:

Test name	Commit	Details	Rerun command
ci/openshift-jenkins/system-containers	387f63b	link	/test system-containers
ci/openshift-jenkins/logging	387f63b	link	/test logging
ci/openshift-jenkins/extended_conformance_install_crio	387f63b	link	/test crio

Full PR test history. Your PR dashboard. Please help us cut down on flakes by linking to an open issue when you hit one in your PR.

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[jcantrill]

/cherrypick release-3.7

[openshift-cherrypick-robot]

@jcantrill: #7294 failed to apply on top of branch "release-3.7":

error: Failed to merge in the changes.
Using index info to reconstruct a base tree...
M	roles/openshift_logging_elasticsearch/tasks/main.yaml
A	roles/openshift_logging_elasticsearch/templates/2.x/es.j2
A	roles/openshift_logging_elasticsearch/templates/5.x/es.j2
Falling back to patching base and 3-way merge...
Auto-merging roles/openshift_logging_elasticsearch/templates/es.j2
CONFLICT (content): Merge conflict in roles/openshift_logging_elasticsearch/templates/es.j2
CONFLICT (modify/delete): roles/openshift_logging_elasticsearch/templates/5.x/es.j2 deleted in HEAD and modified in bug 1537857. Additional logging proxy metrics fixes. Version bug 1537857. Additional logging proxy metrics fixes of roles/openshift_logging_elasticsearch/templates/5.x/es.j2 left in tree.
Auto-merging roles/openshift_logging_elasticsearch/tasks/main.yaml
Patch failed at 0001 bug 1537857. Additional logging proxy metrics fixes

In response to this:

/cherrypick release-3.7

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.