fix headers() and cookies()

[vetinari]

they were not serialized properly

[mohabusama]

Please add the exception log and error tag to post_trial_run failure. Also would be useful to add span tag trial_run=True for worker_task_processing in case of trial run.

[vetinari]

the tracing should be a different PR, right :)

[mohabusama]

@vetinari span enrichment can always accompany feature/bug implementation, so that they don't get forgotten 😉

[codecov[bot]]

Codecov Report

Merging #342 into master will decrease coverage by 0.32%. The diff coverage is 40%.

@@            Coverage Diff             @@
##           master     #342      +/-   ##
==========================================
- Coverage   75.44%   75.12%   -0.33%     
==========================================
  Files          79       79              
  Lines        5738     5748      +10     
==========================================
- Hits         4329     4318      -11     
- Misses       1409     1430      +21

Impacted Files	Coverage Δ
zmon_worker_monitor/builtins/plugins/http.py	97.93% <100%> (ø)	:arrow_up:
zmon_worker_monitor/workflow.py	71.36% <100%> (-4.47%)	:arrow_down:
zmon_worker_monitor/zmon_worker/tasks/main.py	74.69% <25%> (-0.86%)	:arrow_down:

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[vetinari]

:+1:

[vetinari]

:+1:

[mohabusama]

👍