[Imperva] Replace RSA2ELK with Syslog integration for Imperva Securesphere

[mohitjha-elastic]

Type of change

• Enhancement

What does this PR do?

Replace RSA2ELK with Syslog integration.

Checklist

• I have reviewed tips for building integrations and this pull request is aligned with them.
• I have verified that all data streams collect metrics or logs.
• I have added an entry to my package's changelog.yml file.
• I have verified that Kibana version constraints are current according to guidelines.

How to test this PR locally

Clone integrations repo.
Install elastic package locally.
Start elastic stack using elastic-package.
Move to integrations/packages/imperva directory.
Run the following command to run tests.

Related issues

• Closes Imperva Cloud WAF #1763

Automated Test

imperva-test-file.log

[elasticmachine]

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Build stats

• Start Time: 2023-10-20T11:12:25.001+0000

• Duration: 18 min 21 sec

Test stats 🧪

Test	Results
Failed	0
Passed	9
Skipped	0
Total	9

🤖 GitHub comments

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[efd6]

/test

[elasticmachine]

🌐 Coverage report

Name	Metrics % (covered/total)	Diff
Packages	100.0% (1/1)	💚
Files	100.0% (1/1)	💚 4.318
Classes	100.0% (1/1)	💚 4.318
Methods	100.0% (10/10)	💚 8.676
Lines	79.078% (223/282)	👎 -8.437
Conditionals	100.0% (0/0)	💚

[efd6]

Minor comments only.

[efd6]

/test

[jamiehynds]

@efd6 would you mind merging this one as Crest don't have the right to do so?

[elasticmachine]

Package imperva - 0.19.0 containing this change is available at https://epr.elastic.co/search?package=imperva