Improved error reporting.

hikhvar · Mar 25, 2024 · cd45983 · cd45983
1 parent 9f92116
commit cd45983
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Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/pkg/config/config.go b/pkg/config/config.go
@@ -234,7 +234,7 @@ func LoadConfig(configFile string) (Config, error) {
  }
  if forcesMonotonicy {
  if err := os.MkdirAll(cfg.Cache.StateDir, 0755); err != nil {
- return Config{}, err
+ return Config{}, fmt.Errorf("failed to create directory %q: %w", cfg.Cache.StateDir, err)
  }
  }
 

diff --git a/pkg/metrics/parser.go b/pkg/metrics/parser.go
@@ -328,7 +328,7 @@ func (p *Parser) evalExpression(metricID, code string, value float64) (float64,
  ms.env = defaultExprEnv()
  ms.program, err = expr.Compile(code, expr.Env(ms.env), expr.AsFloat64())
  if err != nil {
- return value, fmt.Errorf("failed to compile expression %q: %v", code, err)
+ return value, fmt.Errorf("failed to compile expression %q: %w", code, err)
  }
  // Trigger flushing the new state to disk.
  ms.lastWritten = time.Time{}
@@ -346,7 +346,7 @@ func (p *Parser) evalExpression(metricID, code string, value float64) (float64,
 
  result, err := expr.Run(ms.program, ms.env)
  if err != nil {
- return value, fmt.Errorf("failed to evaluate expression %q: %v", code, err)
+ return value, fmt.Errorf("failed to evaluate expression %q: %w", code, err)
  }
  // Type was statically checked above.
  ret := result.(float64)