Output logs in color for parallel builds #5014
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Codecov Report
@@ Coverage Diff @@
## master #5014 +/- ##
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+ Coverage 72.11% 72.17% +0.06%
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Files 365 365
Lines 12773 12823 +50
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+ Hits 9211 9255 +44
- Misses 2877 2879 +2
- Partials 685 689 +4
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gsquared94
reviewed
Nov 10, 2020
IsaacPD
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kokoro:run
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Verified this locally
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tejal29
requested changes
Nov 11, 2020
gsquared94
reviewed
Nov 11, 2020
gsquared94
reviewed
Nov 11, 2020
tejal29
approved these changes
Nov 11, 2020
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When building in parallel, logs would not show up with colors for builders that had colorful logs.
Also Fixes: #4913
Related: #4990
Description
Wrap the output writer that is passed through skaffold with a "colorful writer" struct. This allows detecting when we should enable printing with colors at any point by checking in color.Fprint(f/ln) if it is a colorful writer.
Because the writer is now wrapped in a struct we are no longer passing os.Stdout raw and so when running commands it will be necessary to force enable/disable coloring with flags when appropriate.
User facing changes
Logs that normally show up in color in a non-parallel build are also in color for builds done in parallel.
Before (master):
Parallel build containing a jib maven artifact
Running
skaffold run --mute-logs=allin skaffold/examples/rubyIn /var/.../skaffold/deploy/2020-11-02_18-49-06.log
The logs contain ANSI escape codes which do not represent the actual content intended to be logged.
After:
Parallel build containing a jib maven artifact
Running
skaffold run --mute-logs=allin skaffold/examples/rubyIn /var/.../skaffold/deploy/2020-11-02_18-53-51.log
The only thing logged is the intended output.