add cloudwatch policy for ec2 metrics

[markhv-code]

Fixes Issue: link to JIRA ticket

Description:

Prep work to be able to use AWS integration with Grafana

Security Impact Analysis Questionnaire

Submitter Checklist

• Is there an impact on Auditing and Logging procedures or capabilities?
• Is there an impact on Authentication procedures or capabilities?
• Is there an impact on Authorization procedures or capabilities?
• Is there an impact on Communication Security procedures or capabilities?
• Is there an impact on Cryptography procedures or capabilities?
• Is there an impact on Sensitive Data procedures or capabilities?
• Is there an impact on any other security-related procedures or capabilities?
• No security impacts identified.

Security Risks Identified - For any applicable items on the "Submitter Checklist," describe the impact of the change and any implemented mitigations.

[robo-gotham]

Snyk Scanning for Commit: 3f7b701

Snyk Infrastructure as Code

• Snyk testing Infrastructure as Code configuration issues.
  ✔ Test completed.

Issues
No vulnerable paths were found!

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Test Summary

Organization: batcave-ispg
Project name: CMS-Enterprise/batcave-tf-irsa

✔ Files without issues: 5
✗ Files with issues: 0
Ignored issues: 0
Total issues: 0 [ 0 critical, 0 high, 0 medium, 0 low ]

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Report Complete

Your test results are available at: https://snyk.io/org/batcave-ispg/projects
under the name: CMS-Enterprise/batcave-tf-irsa