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logging tweaks to improve usability #1235

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merged 3 commits into from Dec 13, 2022

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bobcallaway
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  • Changes HTTP Responses with codes >= 500 as Errors, any response < 500 as Warn
  • Removes / edits some rather noisy log statements
  • More aggressively use zap structured logging aligned with GCP logging norms
  • reimplements panic recovery so that log messages have correlated request ID for aided debugging

Signed-off-by: Bob Callaway bcallaway@google.com

Signed-off-by: Bob Callaway <bcallaway@google.com>
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codecov-commenter commented Dec 10, 2022

Codecov Report

Merging #1235 (d1306a3) into main (d0b8b83) will decrease coverage by 1.07%.
The diff coverage is 21.62%.

@@            Coverage Diff             @@
##             main    #1235      +/-   ##
==========================================
- Coverage   64.23%   63.16%   -1.08%     
==========================================
  Files          82       82              
  Lines        7628     7658      +30     
==========================================
- Hits         4900     4837      -63     
- Misses       2100     2208     +108     
+ Partials      628      613      -15     
Flag Coverage Δ
e2etests 47.79% <21.62%> (-1.07%) ⬇️
unittests 41.97% <0.00%> (-0.04%) ⬇️

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

Impacted Files Coverage Δ
pkg/api/entries.go 63.99% <0.00%> (ø)
pkg/api/public_key.go 37.50% <ø> (-3.68%) ⬇️
pkg/log/log.go 47.61% <18.51%> (-22.66%) ⬇️
pkg/api/error.go 58.69% <50.00%> (-1.08%) ⬇️
pkg/types/jar/jar.go 37.03% <0.00%> (-29.63%) ⬇️
pkg/types/tuf/tuf.go 37.03% <0.00%> (-29.63%) ⬇️
pkg/types/tuf/v0.0.1/entry.go 49.79% <0.00%> (-12.25%) ⬇️
pkg/types/jar/v0.0.1/entry.go 47.57% <0.00%> (-10.20%) ⬇️
pkg/types/alpine/v0.0.1/entry.go 72.35% <0.00%> (-1.22%) ⬇️
pkg/types/rekord/v0.0.1/entry.go 68.42% <0.00%> (+0.65%) ⬆️

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Signed-off-by: Bob Callaway <bcallaway@google.com>
enc.AddString("responseSize", h.responseSize)
enc.AddString("userAgent", h.userAgent)
enc.AddString("remoteIP", h.remoteIP)
enc.AddString("latency", h.latency)
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enc.AddDuration("latency", h.latency)

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https://cloud.google.com/logging/docs/reference/v2/rest/v2/LogEntry#HttpRequest wants this represented as a string in units of seconds, so that's why I formatted it the way I did

fields = append(fields, zap.Any("extra", extra))
}

log.ContextLogger(z.r.Context()).With(fields...).Info("completed request")
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If the fields were declared as []zapcore.Field then this can be
log.ContextLogger(z.r.Context()).With(fields).Info("completed request")

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With([]interface{}) is how this is defined, and the logger doesn't work if you more strongly type this.

Signed-off-by: Bob Callaway <bcallaway@google.com>
status: status,
responseSize: bytes,
userAgent: z.r.Header.Get("User-Agent"),
remoteIP: z.r.RemoteAddr,
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Any reason to log IP? Some PII risk of being able to correlate requests across artifacts, gather usage data, etc

@bobcallaway bobcallaway merged commit 1add455 into sigstore:main Dec 13, 2022
@github-actions github-actions bot added this to the v1.1.0 milestone Dec 13, 2022
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5 participants