26 lines
488 B
Go
26 lines
488 B
Go
package worker
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import (
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"bytes"
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"fmt"
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"os/exec"
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)
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func RunFunction(path string, fc *FuncConfig, input []byte) ([]byte, error) {
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if fc.Runtime != "exec" {
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return nil, fmt.Errorf("unsupported runtime: %s", fc.Runtime)
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}
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cmd := exec.Command(path)
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cmd.Stdin = bytes.NewReader(input)
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var out bytes.Buffer
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cmd.Stdout = &out
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cmd.Stderr = &out
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if err := cmd.Run(); err != nil {
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return nil, fmt.Errorf("failed: %w\noutput: %s", err, out.String())
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}
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return out.Bytes(), nil
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}
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