MGMT-18597: Poll Stackrox Central for violation counts and push it to Kafka

[jhernand]

Summary

This patch changes the agent so that it discovers Stackrox central instances in the hub, polls them to extract the summary of security violations and sends them to the manager via the Kafka broker.

Related issue(s)

https://issues.redhat.com/browse/MGMT-18597

[clyang82]

Do you mind add some UT to pass the code coverage check?

[jhernand]

Do you mind add some UT to pass the code coverage check?

Yes, I am working on that.

[jhernand]

/test sonarcloud

[jhernand]

/test test-e2e

[openshift-ci[bot]]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: clyang82, jhernand

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Needs approval from an approver in each of these files: - ~~[OWNERS](https://github.com/stolostron/multicluster-global-hub/blob/main/OWNERS)~~ [clyang82] Approvers can indicate their approval by writing `/approve` in a comment Approvers can cancel approval by writing `/approve cancel` in a comment

[sonarcloud[bot]]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
81.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[clyang82]

/test test-integration