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feat: return errors from resource.New #59

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merged 2 commits into from
Aug 14, 2023
Merged

feat: return errors from resource.New #59

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1040e55
return errors from resource.New
dstrelau Jul 31, 2023
f074e09
Merge branch 'main' into resource-err
vreynolds Aug 11, 2023
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29 changes: 15 additions & 14 deletions otelconfig/otelconfig.go
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Original file line number Diff line number Diff line change
Expand Up @@ -331,7 +331,7 @@ type Config struct {
errorHandler otel.ErrorHandler
}

func newConfig(opts ...Option) *Config {
func newConfig(opts ...Option) (*Config, error) {
c := &Config{
Headers: map[string]string{},
TracesHeaders: map[string]string{},
Expand All @@ -344,6 +344,8 @@ func newConfig(opts ...Option) *Config {
envError := envconfig.Process(context.Background(), c)
if envError != nil {
c.Logger.Fatalf("environment error: %v", envError)
// if our logger implementation doesn't os.Exit, we want to return here
return nil, fmt.Errorf("environment error: %w", envError)
}
// if exporter endpoint is not set using an env var, use the configured default
if c.ExporterEndpoint == "" {
Expand All @@ -366,8 +368,9 @@ func newConfig(opts ...Option) *Config {
l.logLevel = c.LogLevel
}

c.Resource = newResource(c)
return c
var err error
c.Resource, err = newResource(c)
return c, err
}

// OtelConfig is the object we're here for; it implements the initialization of Open Telemetry.
Expand All @@ -376,7 +379,7 @@ type OtelConfig struct {
shutdownFuncs []func() error
}

func newResource(c *Config) *resource.Resource {
func newResource(c *Config) (*resource.Resource, error) {
r := resource.Environment()

hostnameSet := false
Expand Down Expand Up @@ -427,19 +430,14 @@ func newResource(c *Config) *resource.Resource {

options := append(baseOptions, c.ResourceOptions...)

r, err := resource.New(
// Note: There are new detectors we may wish to take advantage
// of, now available in the default SDK (e.g., WithProcess(),
// WithOSType(), ...).
return resource.New(
context.Background(),
options...,
)

if err != nil {
c.Logger.Debugf("error applying resource options: %s", err)
}

// Note: There are new detectors we may wish to take advantage
// of, now available in the default SDK (e.g., WithProcess(),
// WithOSType(), ...).
return r
}

type setupFunc func(*Config) (func() error, error)
Expand Down Expand Up @@ -616,7 +614,10 @@ func setupMetrics(c *Config) (func() error, error) {
// ConfigureOpenTelemetry is a function that be called with zero or more options.
// Options can be the basic ones above, or provided by individual vendors.
func ConfigureOpenTelemetry(opts ...Option) (func(), error) {
c := newConfig(opts...)
c, err := newConfig(opts...)
if err != nil {
return nil, err
}

if c.LogLevel == "debug" {
c.Logger.Debugf("debug logging enabled")
Expand Down
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