adding support to custom pricing configuration in helm chart

[HoussemCharf]

Closes #108

[mattray]

This looks like it duplicates the efforts of #107. Could you check that patch and see if there's anything in it this one needs? I do like this patch's use use of opencost.onpremisemode.enabled, so I'm leaning more towards it after it gets cleaned up.

[tamalsaha]

opencost.onpremisemode.enabled is semantically wrong for what I was doing in #107 .

The metricsConfigs.disabledMetrics is necessary to avoid duplicate KMS v2 metrics. But the configmap mounted can be used to mount cluster-info.json and metrics.json.

[HoussemCharf]

@mattray From what I saw in his PR it tackles different issues with metrics configuration related to state referenced in here and here correct me if I am wrong @tamalsaha, but not custom pricing configuration for on-premise setup. But I'd be happy to include anything that you think relevant in his PR in my changes

[tamalsaha]

@HoussemCharf, yes. My pr tackles unrelated issues. Those are not related to onpremises deployment.

[toscott]

I love the idea of simplifying the barrier for using custom pricing. Thank you for the suggestion and taking a stab at it!

I've made a few comments. Once addressed we can get this merged.

[HoussemCharf]

@toscott Thanks for your review I've addressed the issues mentioned.

[toscott]

Awesome!
I plan to review, retest and get merged tonight

[toscott]

The last round of changes appears to be working well! Thanks for the contribution @HoussemCharf. Waiting on the CI flows to finish and I'll get this merged.