refactor(telemetry): split telemetry between operator and controller
Split telemetry collection between cozystack-operator and cozystack-controller:
cozystack-operator now collects cluster-level metrics:
- cozy_cluster_info (cozystack_version, kubernetes_version)
- cozy_nodes_count (os, kernel)
- cozy_cluster_capacity (cpu, memory, nvidia.com/* resources)
- cozy_loadbalancers_count
- cozy_pvs_count (driver, size)
- cozy_package_info (name, variant)
cozystack-controller now collects application-level metrics:
- cozy_application_count (kind) - counts HelmReleases per ApplicationDefinition
Other changes:
- Add pkg/version for build-time version injection via ldflags
- Remove --cozystack-version flag (version now embedded at build time)
- Remove bundle/oidc configuration from telemetry (replaced by package_info)
- Remove cozy_workloads_count metric (replaced by cozy_application_count)
Co-Authored-By: Claude <noreply@anthropic.com>
Signed-off-by: Andrei Kvapil <kvapss@gmail.com>
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