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https://github.com/multica-ai/multica.git
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f864a07bd5
Add Prometheus metrics endpoint with local-bind listener support and baseline metrics collectors.
36 lines
611 B
Go
36 lines
611 B
Go
package metrics
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import (
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"net"
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"os"
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"strings"
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)
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type Config struct {
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Addr string
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}
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func ConfigFromEnv() Config {
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return Config{Addr: strings.TrimSpace(os.Getenv("METRICS_ADDR"))}
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}
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func (c Config) Enabled() bool {
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return strings.TrimSpace(c.Addr) != ""
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}
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func IsLoopbackAddr(addr string) bool {
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host, _, err := net.SplitHostPort(strings.TrimSpace(addr))
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if err != nil {
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host = strings.TrimSpace(addr)
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}
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host = strings.Trim(host, "[]")
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if host == "" {
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return false
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}
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if strings.EqualFold(host, "localhost") {
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return true
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}
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ip := net.ParseIP(host)
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return ip != nil && ip.IsLoopback()
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}
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