unistack-org/metrics
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push.go: initialize nil opts with the zero PushOptions inside InitPushExtWithOptions

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This makes the InitPushExtWithOptions code more maintainable because of removed checks for nil opts.
This commit is contained in:
Aliaksandr Valialkin 2023-12-18 12:51:26 +02:00
parent b96951708c
commit bee9e4faf1
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GPG Key ID: 52C003EE2BCDB9EB
1 changed files with 13 additions and 17 deletions
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16
push.go
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@ -179,6 +179,10 @@ func InitPushExt(pushURL string, interval time.Duration, extraLabels string, wri
// It is OK calling InitPushExtWithOptions multiple times with different writeMetrics - // It is OK calling InitPushExtWithOptions multiple times with different writeMetrics -
// in this case all the metrics generated by writeMetrics callbacks are written to pushURL. // in this case all the metrics generated by writeMetrics callbacks are written to pushURL.
func InitPushExtWithOptions(ctx context.Context, pushURL string, interval time.Duration, writeMetrics func(w io.Writer), opts *PushOptions) error { func InitPushExtWithOptions(ctx context.Context, pushURL string, interval time.Duration, writeMetrics func(w io.Writer), opts *PushOptions) error {
if opts == nil {
opts = &PushOptions{}
}
// validate pushURL // validate pushURL
pu, err := url.Parse(pushURL) pu, err := url.Parse(pushURL)
if err != nil { if err != nil {
@ -197,17 +201,13 @@ func InitPushExtWithOptions(ctx context.Context, pushURL string, interval time.D
} }
// validate ExtraLabels // validate ExtraLabels
var extraLabels string extraLabels := opts.ExtraLabels
if opts != nil {
extraLabels = opts.ExtraLabels
}
if err := validateTags(extraLabels); err != nil { if err := validateTags(extraLabels); err != nil {
return fmt.Errorf("invalid extraLabels=%q: %w", extraLabels, err) return fmt.Errorf("invalid extraLabels=%q: %w", extraLabels, err)
} }
// validate Headers // validate Headers
headers := make(http.Header) headers := make(http.Header)
if opts != nil {
for _, h := range opts.Headers { for _, h := range opts.Headers {
n := strings.IndexByte(h, ':') n := strings.IndexByte(h, ':')
if n < 0 { if n < 0 {
@ -217,13 +217,9 @@ func InitPushExtWithOptions(ctx context.Context, pushURL string, interval time.D
value := strings.TrimSpace(h[n+1:]) value := strings.TrimSpace(h[n+1:])
headers.Add(name, value) headers.Add(name, value)
} }
}
// validate DisableCompression // validate DisableCompression
disableCompression := false disableCompression := opts.DisableCompression
if opts != nil {
disableCompression = opts.DisableCompression
}
// Initialize metrics for the given pushURL // Initialize metrics for the given pushURL
pushURLRedacted := pu.Redacted() pushURLRedacted := pu.Redacted()