loggercheck
Description
A linter checks the odd number of key and value pairs for common logger libraries:
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Install
go install github.com/timonwong/loggercheck/cmd/loggercheck
Usage
loggercheck: Checks key valur pairs for common logger libraries (logr,klog,zap).
Usage: loggercheck [-flag] [package]
Flags:
-V print version and exit
-all
no effect (deprecated)
-c int
display offending line with this many lines of context (default -1)
-cpuprofile string
write CPU profile to this file
-debug string
debug flags, any subset of "fpstv"
-disable value
comma-separated list of disabled logger checker (klog,logr,zap)
-fix
apply all suggested fixes
-flags
print analyzer flags in JSON
-json
emit JSON output
-memprofile string
write memory profile to this file
-requirestringkey
require all logging keys to be inlined constant strings
-rulefile string
path to a file contains a list of rules
-source
no effect (deprecated)
-tags string
no effect (deprecated)
-test
indicates whether test files should be analyzed, too (default true)
-trace string
write trace log to this file
-v no effect (deprecated)
Example
package a
import (
"context"
"fmt"
"github.com/go-logr/logr"
)
func Example() {
log := logr.Discard()
log = log.WithValues("key")
log.Info("message", "key1", "value1", "key2", "value2", "key3")
log.Error(fmt.Errorf("error"), "message", "key1", "value1", "key2")
log.Error(fmt.Errorf("error"), "message", "key1", "value1", "key2", "value2")
var log2 logr.Logger
log2 = log
log2.Info("message", "key1")
log3 := logr.FromContextOrDiscard(context.TODO())
log3.Error(fmt.Errorf("error"), "message", "key1")
}a.go:12:23: odd number of arguments passed as key-value pairs for logging
a.go:13:22: odd number of arguments passed as key-value pairs for logging
a.go:14:44: odd number of arguments passed as key-value pairs for logging
a.go:19:23: odd number of arguments passed as key-value pairs for logging
a.go:22:45: odd number of arguments passed as key-value pairs for logging
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