Feature/block hostname

[mstoykov]

This supersedes #1532

[codecov-io]

Codecov Report

Merging #1666 into master will decrease coverage by 0.14%.
The diff coverage is 70.11%.

@@            Coverage Diff             @@
##           master    #1666      +/-   ##
==========================================
- Coverage   72.19%   72.05%   -0.15%     
==========================================
  Files         166      167       +1     
  Lines       12787    12876      +89     
==========================================
+ Hits         9232     9278      +46     
- Misses       3005     3035      +30     
- Partials      550      563      +13     

Flag	Coverage Δ
#ubuntu	72.03% <70.11%> (?)
#windows	70.60% <70.11%> (?)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
cmd/options.go	61.43% <33.33%> (-1.76%)	⬇️
lib/types/hostnametrie.go	68.75% <68.75%> (ø)
js/runner.go	82.33% <100.00%> (+0.06%)	⬆️
lib/netext/dialer.go	95.91% <100.00%> (+0.17%)	⬆️
lib/netext/httpext/error_codes.go	98.48% <100.00%> (+0.04%)	⬆️
lib/options.go	83.41% <100.00%> (+0.15%)	⬆️
stats/statsd/collector.go	65.21% <0.00%> (-34.79%)	⬇️
stats/datadog/collector.go	74.19% <0.00%> (-25.81%)	⬇️
lib/executor/vu_handle.go	93.33% <0.00%> (-1.91%)	⬇️
stats/cloud/collector.go	79.81% <0.00%> (-0.64%)	⬇️
... and 10 more

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[na--]

I didn't spot anything that @imiric hadn't already commented on, so LGTM besides these comments

[imiric]

👍