[CPDEV-93591] Expose Calico Typha metrics

[ilia1243]

Description

• In [PDSDNREQ-7105]Add settings for Calico to enable Prometheus metrics #388 we exposed all available metrics for Calico except for calico-typha.
• Documentation about how to collect metrics using prometheus does not work.

Solution

• Added service for calico-typha that exposes metrics.
• Added env variables for Typha deployment to enable metrics.
• Fixed documentation and added configuration to collect Typha metrics.

How to apply

Run kubemarine migrate_kubemarine --force-apply calico_typha_metrics

Test Cases

TestCase 1

Install cluster with monitoring.

Steps:

1. Install cluster with calico.typha=enabled.
2. Install prometheus-operator
3. Follow steps from documentation/Installation.md#calico-metrics-configuration

Results:

Before	After
Metrics for calico are not collected	Metrics for calico-node, calico-kube-controllers, calico-typha are collected

TestCase 2

Migrate Kubemarine, enable metrics for calico-typha.

Steps:

1. Install cluster with calico.typha=enabled using old version of Kubemarine.
2. Run kubemarine migrate_kubemarine --force-apply calico_typha_metrics using new version of Kubemarine.
3. Install prometheus-operator
4. Follow steps from documentation/Installation.md#calico-metrics-configuration

ER: metrics are collected for all calico services.

Checklist

• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• Integration CI passed
• Unit tests. If Yes list of new/changed tests with brief description
• There is no merge conflicts

Unit tests

test_calico.py - cover changed enrichment of calico manifest
test_builtin.py - cover internal API in builtin.py.

[shmo1218]

The doc review is done.