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* Adding explicit MPL license for sub-package This directory and its subdirectories (packages) contain files licensed with the MPLv2 `LICENSE` file in this directory and are intentionally licensed separately from the BSL `LICENSE` file at the root of this repository. * Adding explicit MPL license for sub-package This directory and its subdirectories (packages) contain files licensed with the MPLv2 `LICENSE` file in this directory and are intentionally licensed separately from the BSL `LICENSE` file at the root of this repository. * Updating the license from MPL to Business Source License Going forward, this project will be licensed under the Business Source License v1.1. Please see our blog post for more details at <Blog URL>, FAQ at www.hashicorp.com/licensing-faq, and details of the license at www.hashicorp.com/bsl. * add missing license headers * Update copyright file headers to BUSL-1.1 * Update copyright file headers to BUSL-1.1 * Update copyright file headers to BUSL-1.1 * Update copyright file headers to BUSL-1.1 * Update copyright file headers to BUSL-1.1 * Update copyright file headers to BUSL-1.1 * Update copyright file headers to BUSL-1.1 * Update copyright file headers to BUSL-1.1 * Update copyright file headers to BUSL-1.1 * Update copyright file headers to BUSL-1.1 * Update copyright file headers to BUSL-1.1 * Update copyright file headers to BUSL-1.1 * Update copyright file headers to BUSL-1.1 * Update copyright file headers to BUSL-1.1 * Update copyright file headers to BUSL-1.1 --------- Co-authored-by: hashicorp-copywrite[bot] <110428419+hashicorp-copywrite[bot]@users.noreply.github.com>
48 lines
1.1 KiB
Go
48 lines
1.1 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: BUSL-1.1
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package envoy
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import (
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"errors"
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"os/exec"
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"regexp"
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)
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const (
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envoyVersionFlag = "--version"
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)
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// execCommand lets us mock out the exec.Command function
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var execCommand = exec.Command
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func execEnvoyVersion(binary string) (string, error) {
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cmd := execCommand(binary, envoyVersionFlag)
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output, err := cmd.Output()
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if err != nil {
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return "", err
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}
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version, err := parseEnvoyVersionNumber(string(output))
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if err != nil {
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return "", err
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}
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return version, nil
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}
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func parseEnvoyVersionNumber(fullVersion string) (string, error) {
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// Use a regular expression to match the major.minor.patch version string in the fullVersion
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// Example input:
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// `envoy version: 69958e4fe32da561376d8b1d367b5e6942dfba24/1.24.1/Distribution/RELEASE/BoringSSL`
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re := regexp.MustCompile(`(\d+\.\d+\.\d+)`)
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matches := re.FindStringSubmatch(fullVersion)
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// If no matches were found, return an error
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if len(matches) == 0 {
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return "", errors.New("unable to parse Envoy version from output")
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}
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// Return the first match (the major.minor.patch version string)
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return matches[0], nil
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}
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