Refactor tooling for getting the current env name

[ofek]

Motivation

Support Hatch, see #12938 (comment)

[codecov]

Codecov Report

Merging #12939 (b0f562b) into master (b2f176c) will increase coverage by 0.00%.
The diff coverage is 82.35%.

Flag	Coverage Δ
arangodb	98.21% <ø> (ø)
avi_vantage	92.50% <ø> (ø)
calico	83.33% <ø> (ø)
cert_manager	77.41% <ø> (ø)
cilium	75.34% <100.00%> (+0.93%)	⬆️
cloud_foundry_api	95.98% <ø> (+0.12%)	⬆️
ddev	97.99% <ø> (ø)
directory	94.94% <ø> (ø)
ecs_fargate	80.23% <ø> (ø)
hazelcast	92.39% <ø> (ø)
ibm_i	81.58% <ø> (ø)
kube_controller_manager	96.85% <ø> (ø)
kube_metrics_server	100.00% <ø> (ø)
kyototycoon	85.96% <ø> (ø)
linkerd	85.14% <ø> (+1.14%)	⬆️

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