PMM-7292 scrape from server pmm agent

[rishat-ishbulatov]

PMM-7292

Build: SUBMODULES-0

• [ ] Links to other linked pull requests (optional).

[it-percona-cla]

All committers have signed the CLA.

[codecov[bot]]

Codecov Report

Merging #1237 (f20d690) into main (f4bff43) will increase coverage by 0.19%. The diff coverage is 81.39%.

@@            Coverage Diff             @@
##             main    #1237      +/-   ##
==========================================
+ Coverage   44.07%   44.26%   +0.19%     
==========================================
  Files         334      334              
  Lines       39804    39842      +38     
==========================================
+ Hits        17543    17637      +94     
+ Misses      20736    20675      -61     
- Partials     1525     1530       +5     

Flag	Coverage Δ
agent	54.03% <100.00%> (+0.12%)	:arrow_up:
managed	45.20% <80.00%> (+0.23%)	:arrow_up:

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Impacted Files	Coverage Δ
managed/services/agents/registry.go	0.00% <0.00%> (ø)
managed/services/victoriametrics/scrape_configs.go	83.33% <88.88%> (+4.77%)	:arrow_up:
agent/client/client.go	43.24% <100.00%> (+0.09%)	:arrow_up:
managed/models/agent_helpers.go	59.93% <100.00%> (ø)
managed/services/victoriametrics/prometheus.go	56.32% <100.00%> (+17.11%)	:arrow_up:
.../agents/mongodb/internal/profiler/sender/sender.go	79.03% <0.00%> (-3.23%)	:arrow_down:
...anaged/services/victoriametrics/victoriametrics.go	52.43% <0.00%> (+2.62%)	:arrow_up:
agent/agents/mysql/slowlog/slowlog.go	51.17% <0.00%> (+2.98%)	:arrow_up:

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