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The health check endpoint listens on a dedicated HTTP server. By default, it is available at 0.0.0.0:9000/health. This can be configured using the --health-listen-address flag. The results are cached for 3 seconds to avoid excessive calls. The health check performs the following: Checks the number of active listeners. Validates each listener via WebSocket and QUIC dials, including TLS certificate verification.
29 lines
549 B
Go
29 lines
549 B
Go
package healthcheck
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import (
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"context"
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"fmt"
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"github.com/coder/websocket"
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"github.com/netbirdio/netbird/shared/relay"
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)
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func dialWS(ctx context.Context, address string) error {
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url := fmt.Sprintf("wss://%s%s", address, relay.WebSocketURLPath)
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conn, resp, err := websocket.Dial(ctx, url, nil)
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if resp != nil {
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defer func() {
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_ = resp.Body.Close()
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}()
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}
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if err != nil {
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return fmt.Errorf("failed to connect to websocket: %w", err)
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}
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_ = conn.Close(websocket.StatusNormalClosure, "availability check complete")
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return nil
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}
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