Signed-off-by: paulfantom <pawel@krupa.net.pl>

Fix scheduler and controller selectors for Kubespray

feat(grafana): add env parameter for grafana component

scripts: include kube-rbac-proxy and config-reloader in version upgrades

Fix adding private repository

`imageRepos` field was removed and the project no longer tries to compose image strings. Now the libraries use `$.values.common.images` to override default images.

Signed-off-by: paulfantom <pawel@krupa.net.pl>

Enable tests for kubernetes 1.21

jsonnet: drop storage_operation_errors_total and storage_operation_status_count as those are deprecated in k8s 1.21

Signed-off-by: paulfantom <pawel@krupa.net.pl>

Unpin jsonnet dependencies

Improvements in addMixin function.

Signed-off-by: paulfantom <pawel@krupa.net.pl>

This change updates the version of kubeconform to 0.4.7. It simplifies the
`validate` Makefile target and extracts the kubernetes version into a variable.

*: add test of mixin addition in examples/; change config to `_config` in addMixin to be consistent with main components

jsonnet/components: fix missing resource config in blackbox exporter

jsonnet/kube-prometheus/addons: fix KSM regex patterns

Signed-off-by: Simon Pasquier <spasquie@redhat.com>

- refs:https://github.com/prometheus-operator/kube-prometheus/pull/916
- kubespray uses kubeadm, so it is good to inherit it

jsonnet: use common to populate options for additional objects