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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>
57 lines
1.3 KiB
Go
57 lines
1.3 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: BUSL-1.1
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package utils
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import (
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"bytes"
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"fmt"
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"io"
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"os"
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"os/exec"
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"strings"
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"github.com/hashicorp/go-version"
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)
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// DockerExec simply shell out to the docker CLI binary on your host.
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func DockerExec(args []string, stdout io.Writer) error {
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return cmdExec("docker", "docker", args, stdout, "")
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}
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// DockerImageVersion retrieves the value of the org.opencontainers.image.version label from the specified image.
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func DockerImageVersion(imageName string) (*version.Version, error) {
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var b strings.Builder
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err := cmdExec("docker", "docker", []string{"image", "inspect", "--format", `{{index .Config.Labels "org.opencontainers.image.version"}}`, imageName}, &b, "")
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if err != nil {
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return nil, err
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}
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output := b.String()
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return version.NewVersion(strings.TrimSpace(output))
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}
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func cmdExec(name, binary string, args []string, stdout io.Writer, dir string) error {
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if binary == "" {
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panic("binary named " + name + " was not detected")
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}
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var errWriter bytes.Buffer
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if stdout == nil {
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stdout = os.Stdout
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}
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cmd := exec.Command(binary, args...)
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if dir != "" {
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cmd.Dir = dir
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}
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cmd.Stdout = stdout
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cmd.Stderr = &errWriter
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cmd.Stdin = nil
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if err := cmd.Run(); err != nil {
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return fmt.Errorf("could not invoke %q: %v : %s", name, err, errWriter.String())
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}
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return nil
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}
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