Drmorr/scrape metrics

[drmorr0]

• [x] I certify that this PR does not contain any code that has been generated with GitHub Copilot or any other AI-based code generation tool, in accordance with this project's policies.

Description

Metrics collection (via Prometheus operator)

Testing done

• manual testing
• added new tests to controller

[drmorr0]

Kubernetes Object DAG

%%{init: {'themeVariables': {'mainBkg': '#ddd'}}}%%
graph LR

classDef default color:#000
subgraph global
  direction LR
  global/simkube[<b>Namespace</b><br>simkube]
%% DELETED OBJECTS START
%% DELETED OBJECTS END
end

subgraph sk-tracer
  direction LR
  simkube/sk-tracer-svc[<b>Service</b><br>sk-tracer-svc]
  simkube/sk-tracer-depl[<b>Deployment</b><br>sk-tracer-depl]
  simkube/sk-tracer-sa[<b>ServiceAccount</b><br>sk-tracer-sa]
  sk-tracer/sk-tracer-crb[<b>ClusterRoleBinding</b><br>sk-tracer-crb]
  simkube/sk-tracer-tracer-config[<b>ConfigMap</b><br>sk-tracer-tracer-config]
  simkube/sk-tracer-sa--->simkube/sk-tracer-depl
  sk-tracer/sk-tracer-crb--->simkube/sk-tracer-depl
  simkube/sk-tracer-tracer-config--->simkube/sk-tracer-depl
%% DELETED OBJECTS START
%% DELETED OBJECTS END
end

subgraph sk-ctrl
  direction LR
  simkube/sk-ctrl-depl[<b>Deployment</b><br>sk-ctrl-depl]
  simkube/sk-ctrl-sa[<b>ServiceAccount</b><br>sk-ctrl-sa]
  sk-ctrl/sk-ctrl-crb[<b>ClusterRoleBinding</b><br>sk-ctrl-crb]
  simkube/sk-ctrl-sa--->simkube/sk-ctrl-depl
  sk-ctrl/sk-ctrl-crb--->simkube/sk-ctrl-depl
%% DELETED OBJECTS START
%% DELETED OBJECTS END
end

subgraph test
  direction LR
  simkube/test-depl[<b>Deployment</b><br>test-depl]
%% DELETED OBJECTS START
%% DELETED OBJECTS END
end

global--->sk-tracer
global--->sk-ctrl
global--->test

%% STYLE DEFINITIONS START
%% STYLE DEFINITIONS END

New object Deleted object Updated object Updated object (causes pod recreation)

Detailed Diff

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 70.83333% with 56 lines in your changes are missing coverage. Please review.

Project coverage is 71.53%. Comparing base (71ad2eb) to head (26ab004).

Files	Patch %	Lines
ctrl/controller.rs	67.21%	20 Missing :warning:
ctrl/metrics/objects.rs	85.43%	15 Missing :warning:
ctrl/main.rs	17.64%	14 Missing :warning:
cli/run.rs	0.00%	5 Missing :warning:
cli/args.rs	0.00%	2 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #94 +/- ## =========================================== + Coverage 51.72% 71.53% +19.81% =========================================== Files 40 37 -3 Lines 1740 1820 +80 =========================================== + Hits 900 1302 +402 + Misses 840 518 -322 ```

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