mirror of https://github.com/portainer/portainer
refactor(libstack): move library to portainer [EE-5474] (#9120)
parent
11571fd6ea
commit
8c16fbb8aa
1
go.work
1
go.work
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@ -4,5 +4,6 @@ use (
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./api
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./pkg/featureflags
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./pkg/libhelm
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./pkg/libstack
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./third_party/digest
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)
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@ -0,0 +1,7 @@
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Copyright 2021 Portainer.io
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Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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@ -0,0 +1,3 @@
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# LibStack
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LibStack is a library that provides an abstraction to run stacks. Currently it supports Docker Compose, but we plan to support other formats in the future.
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@ -0,0 +1,11 @@
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package compose
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import (
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"github.com/portainer/portainer/pkg/libstack"
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"github.com/portainer/portainer/pkg/libstack/compose/internal/composeplugin"
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)
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// NewComposeDeployer will try to create a wrapper for docker-compose plugin
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func NewComposeDeployer(binaryPath, configPath string) (libstack.Deployer, error) {
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return composeplugin.NewPluginWrapper(binaryPath, configPath)
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}
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@ -0,0 +1,102 @@
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package compose_test
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import (
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"context"
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"errors"
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"fmt"
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"log"
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"os"
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"os/exec"
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"path/filepath"
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"strings"
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"testing"
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"github.com/portainer/portainer/pkg/libstack"
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"github.com/portainer/portainer/pkg/libstack/compose"
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)
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func checkPrerequisites(t *testing.T) {
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if _, err := os.Stat("docker-compose"); errors.Is(err, os.ErrNotExist) {
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t.Fatal("docker-compose binary not found, please run download.sh and re-run this suite")
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}
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}
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func Test_UpAndDown(t *testing.T) {
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checkPrerequisites(t)
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deployer, _ := compose.NewComposeDeployer("", "")
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const composeFileContent = `
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version: "3.9"
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services:
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busybox:
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image: "alpine:3.7"
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container_name: "test_container_one"
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`
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const overrideComposeFileContent = `
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version: "3.9"
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services:
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busybox:
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image: "alpine:latest"
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container_name: "test_container_two"
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`
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const composeContainerName = "test_container_two"
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dir := t.TempDir()
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filePathOriginal, err := createFile(dir, "docker-compose.yml", composeFileContent)
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if err != nil {
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t.Fatal(err)
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}
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filePathOverride, err := createFile(dir, "docker-compose-override.yml", overrideComposeFileContent)
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if err != nil {
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t.Fatal(err)
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}
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ctx := context.Background()
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err = deployer.Deploy(ctx, []string{filePathOriginal, filePathOverride}, libstack.DeployOptions{})
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if err != nil {
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t.Fatal(err)
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}
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if !containerExists(composeContainerName) {
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t.Fatal("container should exist")
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}
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err = deployer.Remove(ctx, "", []string{filePathOriginal, filePathOverride}, libstack.Options{})
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if err != nil {
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t.Fatal(err)
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}
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if containerExists(composeContainerName) {
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t.Fatal("container should be removed")
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}
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}
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func createFile(dir, fileName, content string) (string, error) {
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filePath := filepath.Join(dir, fileName)
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f, err := os.Create(filePath)
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if err != nil {
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return "", err
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}
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f.WriteString(content)
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f.Close()
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return filePath, nil
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}
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func containerExists(containerName string) bool {
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cmd := exec.Command("docker", "ps", "-a", "-f", fmt.Sprintf("name=%s", containerName))
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out, err := cmd.Output()
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if err != nil {
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log.Fatalf("failed to list containers: %s", err)
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}
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return strings.Contains(string(out), containerName)
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}
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@ -0,0 +1,25 @@
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#!/usr/bin/env bash
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set -euo pipefail
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PLATFORM=$(go env GOOS)
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ARCH=$(go env GOARCH)
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COMPOSE_VERSION=v2.5.1
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if [[ ${ARCH} == "amd64" ]]; then
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ARCH="x86_64"
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elif [[ ${ARCH} == "arm" ]]; then
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ARCH="armv7"
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elif [[ ${ARCH} == "arm64" ]]; then
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ARCH="aarch64"
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fi
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if [[ "$PLATFORM" == "windows" ]]; then
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wget -O "docker-compose.exe" "https://github.com/docker/compose/releases/download/$COMPOSE_VERSION/docker-compose-windows-${ARCH}.exe"
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chmod +x "docker-compose.exe"
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else
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wget -O "docker-compose" "https://github.com/docker/compose/releases/download/$COMPOSE_VERSION/docker-compose-${PLATFORM}-${ARCH}"
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chmod +x "docker-compose"
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fi
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@ -0,0 +1,8 @@
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package errors
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import "errors"
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var (
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// ErrBinaryNotFound is returned when docker-compose binary is not found
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ErrBinaryNotFound = errors.New("docker-compose binary not found")
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)
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@ -0,0 +1,237 @@
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package composeplugin
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import (
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"bytes"
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"context"
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"os"
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"os/exec"
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"strings"
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"github.com/pkg/errors"
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"github.com/portainer/portainer/pkg/libstack"
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"github.com/portainer/portainer/pkg/libstack/compose/internal/utils"
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"github.com/rs/zerolog/log"
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)
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var (
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MissingDockerComposePluginErr = errors.New("docker-compose plugin is missing from config path")
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)
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// PluginWrapper provide a type for managing docker compose commands
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type PluginWrapper struct {
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binaryPath string
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configPath string
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}
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// NewPluginWrapper initializes a new ComposeWrapper service with local docker-compose binary.
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func NewPluginWrapper(binaryPath, configPath string) (libstack.Deployer, error) {
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if !utils.IsBinaryPresent(utils.ProgramPath(binaryPath, "docker-compose")) {
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return nil, MissingDockerComposePluginErr
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}
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return &PluginWrapper{binaryPath: binaryPath, configPath: configPath}, nil
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}
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// Up create and start containers
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func (wrapper *PluginWrapper) Deploy(ctx context.Context, filePaths []string, options libstack.DeployOptions) error {
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output, err := wrapper.command(newUpCommand(filePaths, upOptions{
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forceRecreate: options.ForceRecreate,
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abortOnContainerExit: options.AbortOnContainerExit,
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}), options.Options)
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if len(output) != 0 {
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if err != nil {
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return err
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}
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log.Info().Msg("Stack deployment successful")
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log.Debug().
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Str("output", string(output)).
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Msg("docker compose")
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}
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return err
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}
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// Down stop and remove containers
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func (wrapper *PluginWrapper) Remove(ctx context.Context, projectName string, filePaths []string, options libstack.Options) error {
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output, err := wrapper.command(newDownCommand(projectName, filePaths), options)
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if len(output) != 0 {
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if err != nil {
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return err
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}
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log.Info().Msg("Stack removal successful")
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log.Debug().
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Str("output", string(output)).
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Msg("docker compose")
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}
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return err
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}
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// Pull images
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func (wrapper *PluginWrapper) Pull(ctx context.Context, filePaths []string, options libstack.Options) error {
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output, err := wrapper.command(newPullCommand(filePaths), options)
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if len(output) != 0 {
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if err != nil {
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return err
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}
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log.Info().Msg("Stack pull successful")
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log.Debug().
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Str("output", string(output)).
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Msg("docker compose")
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}
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return err
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}
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// Validate stack file
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func (wrapper *PluginWrapper) Validate(ctx context.Context, filePaths []string, options libstack.Options) error {
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output, err := wrapper.command(newValidateCommand(filePaths), options)
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if len(output) != 0 {
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if err != nil {
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return err
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}
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log.Info().Msg("Valid stack format")
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log.Debug().
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Str("output", string(output)).
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Msg("docker compose")
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}
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return err
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}
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// Command execute a docker-compose command
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func (wrapper *PluginWrapper) command(command composeCommand, options libstack.Options) ([]byte, error) {
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program := utils.ProgramPath(wrapper.binaryPath, "docker-compose")
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if options.ProjectName != "" {
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command.WithProjectName(options.ProjectName)
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}
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if options.EnvFilePath != "" {
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command.WithEnvFilePath(options.EnvFilePath)
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}
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if options.Host != "" {
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command.WithHost(options.Host)
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}
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var stderr bytes.Buffer
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args := []string{}
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args = append(args, command.ToArgs()...)
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cmd := exec.Command(program, args...)
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cmd.Dir = options.WorkingDir
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if wrapper.configPath != "" || len(options.Env) > 0 {
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cmd.Env = os.Environ()
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}
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if wrapper.configPath != "" {
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cmd.Env = append(cmd.Env, "DOCKER_CONFIG="+wrapper.configPath)
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}
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cmd.Env = append(cmd.Env, options.Env...)
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log.Debug().
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Str("command", program).
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Strs("args", args).
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Interface("env", cmd.Env).
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Msg("run command")
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cmd.Stderr = &stderr
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output, err := cmd.Output()
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if err != nil {
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errOutput := stderr.String()
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log.Warn().
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Str("output", string(output)).
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Str("error_output", errOutput).
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Err(err).
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Msg("docker compose command failed")
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return nil, errors.New(errOutput)
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}
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return output, nil
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}
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type composeCommand struct {
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globalArgs []string // docker-compose global arguments: --host host -f file.yaml
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subCommandAndArgs []string // docker-compose subcommand: up, down folllowed by subcommand arguments
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}
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func newCommand(command []string, filePaths []string) composeCommand {
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args := []string{}
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for _, path := range filePaths {
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args = append(args, "-f")
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args = append(args, strings.TrimSpace(path))
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}
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return composeCommand{
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globalArgs: args,
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subCommandAndArgs: command,
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}
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}
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type upOptions struct {
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forceRecreate bool
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abortOnContainerExit bool
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}
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func newUpCommand(filePaths []string, options upOptions) composeCommand {
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args := []string{"up"}
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if options.abortOnContainerExit {
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args = append(args, "--abort-on-container-exit")
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} else { // detach by default, not working with --abort-on-container-exit
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args = append(args, "-d")
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}
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if options.forceRecreate {
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args = append(args, "--force-recreate")
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}
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return newCommand(args, filePaths)
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}
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func newDownCommand(projectName string, filePaths []string) composeCommand {
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cmd := newCommand([]string{"down", "--remove-orphans"}, filePaths)
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cmd.WithProjectName(projectName)
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return cmd
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}
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func newPullCommand(filePaths []string) composeCommand {
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return newCommand([]string{"pull"}, filePaths)
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}
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func newValidateCommand(filePaths []string) composeCommand {
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return newCommand([]string{"config", "--quiet"}, filePaths)
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}
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func (command *composeCommand) WithHost(host string) {
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// prepend compatibility flags such as this one as they must appear before the
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// regular global args otherwise docker-compose will throw an error
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command.globalArgs = append([]string{"--host", host}, command.globalArgs...)
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}
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func (command *composeCommand) WithProjectName(projectName string) {
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command.globalArgs = append(command.globalArgs, "--project-name", projectName)
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}
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func (command *composeCommand) WithEnvFilePath(envFilePath string) {
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command.globalArgs = append(command.globalArgs, "--env-file", envFilePath)
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}
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func (command *composeCommand) ToArgs() []string {
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return append(command.globalArgs, command.subCommandAndArgs...)
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}
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@ -0,0 +1,136 @@
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package composeplugin
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import (
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"context"
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"errors"
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"fmt"
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"log"
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"os"
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"os/exec"
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"path/filepath"
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"reflect"
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"strings"
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"testing"
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"github.com/portainer/portainer/pkg/libstack"
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)
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func checkPrerequisites(t *testing.T) {
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if _, err := os.Stat("docker-compose"); errors.Is(err, os.ErrNotExist) {
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t.Fatal("docker-compose binary not found, please run download.sh and re-run this test suite")
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}
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}
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func setup(t *testing.T) libstack.Deployer {
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w, err := NewPluginWrapper("", "")
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if err != nil {
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t.Fatal(err)
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}
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return w
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}
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func Test_NewCommand_SingleFilePath(t *testing.T) {
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checkPrerequisites(t)
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cmd := newCommand([]string{"up", "-d"}, []string{"docker-compose.yml"})
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expected := []string{"-f", "docker-compose.yml"}
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if !reflect.DeepEqual(cmd.globalArgs, expected) {
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t.Errorf("wrong output args, want: %v, got: %v", expected, cmd.globalArgs)
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}
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}
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func Test_NewCommand_MultiFilePaths(t *testing.T) {
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checkPrerequisites(t)
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cmd := newCommand([]string{"up", "-d"}, []string{"docker-compose.yml", "docker-compose-override.yml"})
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expected := []string{"-f", "docker-compose.yml", "-f", "docker-compose-override.yml"}
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if !reflect.DeepEqual(cmd.globalArgs, expected) {
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t.Errorf("wrong output args, want: %v, got: %v", expected, cmd.globalArgs)
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}
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}
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func Test_NewCommand_MultiFilePaths_WithSpaces(t *testing.T) {
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checkPrerequisites(t)
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cmd := newCommand([]string{"up", "-d"}, []string{" docker-compose.yml", "docker-compose-override.yml "})
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expected := []string{"-f", "docker-compose.yml", "-f", "docker-compose-override.yml"}
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if !reflect.DeepEqual(cmd.globalArgs, expected) {
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t.Errorf("wrong output args, want: %v, got: %v", expected, cmd.globalArgs)
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}
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}
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func Test_UpAndDown(t *testing.T) {
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checkPrerequisites(t)
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|
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const composeFileContent = `version: "3.9"
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services:
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busybox:
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image: "alpine:3.7"
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container_name: "test_container_one"`
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|
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const overrideComposeFileContent = `version: "3.9"
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services:
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busybox:
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image: "alpine:latest"
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container_name: "test_container_two"`
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const composeContainerName = "test_container_two"
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w := setup(t)
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dir := t.TempDir()
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filePathOriginal, err := createFile(dir, "docker-compose.yml", composeFileContent)
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if err != nil {
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t.Fatal(err)
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}
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filePathOverride, err := createFile(dir, "docker-compose-override.yml", overrideComposeFileContent)
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if err != nil {
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t.Fatal(err)
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}
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ctx := context.Background()
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err = w.Deploy(ctx, []string{filePathOriginal, filePathOverride}, libstack.DeployOptions{})
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if err != nil {
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t.Fatal(err)
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}
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|
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if !containerExists(composeContainerName) {
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t.Fatal("container should exist")
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}
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err = w.Remove(ctx, "", []string{filePathOriginal, filePathOverride}, libstack.Options{})
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if err != nil {
|
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t.Fatal(err)
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}
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|
||||
if containerExists(composeContainerName) {
|
||||
t.Fatal("container should be removed")
|
||||
}
|
||||
}
|
||||
|
||||
func createFile(dir, fileName, content string) (string, error) {
|
||||
filePath := filepath.Join(dir, fileName)
|
||||
f, err := os.Create(filePath)
|
||||
if err != nil {
|
||||
return "", err
|
||||
}
|
||||
|
||||
f.WriteString(content)
|
||||
f.Close()
|
||||
|
||||
return filePath, nil
|
||||
}
|
||||
|
||||
func containerExists(containerName string) bool {
|
||||
cmd := exec.Command("docker", "ps", "-a", "-f", fmt.Sprintf("name=%s", containerName))
|
||||
|
||||
out, err := cmd.Output()
|
||||
if err != nil {
|
||||
log.Fatalf("failed to list containers: %s", err)
|
||||
}
|
||||
|
||||
return strings.Contains(string(out), containerName)
|
||||
}
|
|
@ -0,0 +1,4 @@
|
|||
version: "3.9"
|
||||
services:
|
||||
redis:
|
||||
image: "redis:alpine"
|
|
@ -0,0 +1,60 @@
|
|||
package utils
|
||||
|
||||
import (
|
||||
"os"
|
||||
"os/exec"
|
||||
"path"
|
||||
"runtime"
|
||||
|
||||
"github.com/pkg/errors"
|
||||
)
|
||||
|
||||
func osProgram(program string) string {
|
||||
if runtime.GOOS == "windows" {
|
||||
program += ".exe"
|
||||
}
|
||||
return program
|
||||
}
|
||||
|
||||
func ProgramPath(rootPath, program string) string {
|
||||
return path.Join(rootPath, osProgram(program))
|
||||
}
|
||||
|
||||
// IsBinaryPresent check if docker compose binary is present
|
||||
func IsBinaryPresent(program string) bool {
|
||||
_, err := exec.LookPath(program)
|
||||
return err == nil
|
||||
}
|
||||
|
||||
// Copy copies sourcePath to destinationPath
|
||||
func Copy(sourcePath, destinationPath string) error {
|
||||
si, err := os.Stat(sourcePath)
|
||||
if err != nil {
|
||||
return errors.WithMessage(err, "file check failed")
|
||||
}
|
||||
|
||||
input, err := os.ReadFile(sourcePath)
|
||||
if err != nil {
|
||||
return errors.WithMessage(err, "failed reading file")
|
||||
}
|
||||
|
||||
err = os.WriteFile(destinationPath, input, si.Mode())
|
||||
if err != nil {
|
||||
return errors.WithMessage(err, "failed writing file")
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
// Move sourcePath to destinationPath
|
||||
func Move(sourcePath, destinationPath string) error {
|
||||
if err := Copy(sourcePath, destinationPath); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
if err := os.Remove(sourcePath); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
|
@ -0,0 +1,33 @@
|
|||
package utils
|
||||
|
||||
import (
|
||||
"testing"
|
||||
)
|
||||
|
||||
func TestIsBinaryPresent(t *testing.T) {
|
||||
type testCase struct {
|
||||
Name string
|
||||
Binary string
|
||||
Expected bool
|
||||
}
|
||||
testCases := []testCase{
|
||||
{
|
||||
Name: "not existing",
|
||||
Binary: "qwgq-er-gerw",
|
||||
Expected: false,
|
||||
},
|
||||
{
|
||||
Name: "docker-compose exists",
|
||||
Binary: "docker-compose",
|
||||
Expected: true,
|
||||
},
|
||||
}
|
||||
|
||||
for _, tc := range testCases {
|
||||
got := IsBinaryPresent(tc.Binary)
|
||||
if got != tc.Expected {
|
||||
t.Errorf("Error in test %s got = %v, and Expected = %v.", tc.Name, got, tc.Expected)
|
||||
}
|
||||
}
|
||||
|
||||
}
|
|
@ -0,0 +1,14 @@
|
|||
module github.com/portainer/portainer/pkg/libstack
|
||||
|
||||
go 1.19
|
||||
|
||||
require (
|
||||
github.com/pkg/errors v0.9.1
|
||||
github.com/rs/zerolog v1.28.0
|
||||
)
|
||||
|
||||
require (
|
||||
github.com/mattn/go-colorable v0.1.12 // indirect
|
||||
github.com/mattn/go-isatty v0.0.14 // indirect
|
||||
golang.org/x/sys v0.0.0-20210927094055-39ccf1dd6fa6 // indirect
|
||||
)
|
|
@ -0,0 +1,14 @@
|
|||
github.com/coreos/go-systemd/v22 v22.3.3-0.20220203105225-a9a7ef127534/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
|
||||
github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
|
||||
github.com/mattn/go-colorable v0.1.12 h1:jF+Du6AlPIjs2BiUiQlKOX0rt3SujHxPnksPKZbaA40=
|
||||
github.com/mattn/go-colorable v0.1.12/go.mod h1:u5H1YNBxpqRaxsYJYSkiCWKzEfiAb1Gb520KVy5xxl4=
|
||||
github.com/mattn/go-isatty v0.0.14 h1:yVuAays6BHfxijgZPzw+3Zlu5yQgKGP2/hcQbHb7S9Y=
|
||||
github.com/mattn/go-isatty v0.0.14/go.mod h1:7GGIvUiUoEMVVmxf/4nioHXj79iQHKdU27kJ6hsGG94=
|
||||
github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
|
||||
github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
|
||||
github.com/rs/xid v1.4.0/go.mod h1:trrq9SKmegXys3aeAKXMUTdJsYXVwGY3RLcfgqegfbg=
|
||||
github.com/rs/zerolog v1.28.0 h1:MirSo27VyNi7RJYP3078AA1+Cyzd2GB66qy3aUHvsWY=
|
||||
github.com/rs/zerolog v1.28.0/go.mod h1:NILgTygv/Uej1ra5XxGf82ZFSLk58MFGAUS2o6usyD0=
|
||||
golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
|
||||
golang.org/x/sys v0.0.0-20210927094055-39ccf1dd6fa6 h1:foEbQz/B0Oz6YIqu/69kfXPYeFQAuuMYFkjaqXzl5Wo=
|
||||
golang.org/x/sys v0.0.0-20210927094055-39ccf1dd6fa6/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
|
|
@ -0,0 +1,36 @@
|
|||
package libstack
|
||||
|
||||
import (
|
||||
"context"
|
||||
)
|
||||
|
||||
type Deployer interface {
|
||||
Deploy(ctx context.Context, filePaths []string, options DeployOptions) error
|
||||
// Remove stops and removes containers
|
||||
//
|
||||
// projectName or filePaths are required
|
||||
// if projectName is supplied filePaths will be ignored
|
||||
Remove(ctx context.Context, projectName string, filePaths []string, options Options) error
|
||||
Pull(ctx context.Context, filePaths []string, options Options) error
|
||||
Validate(ctx context.Context, filePaths []string, options Options) error
|
||||
}
|
||||
|
||||
type Options struct {
|
||||
WorkingDir string
|
||||
Host string
|
||||
ProjectName string
|
||||
// EnvFilePath is the path to a .env file
|
||||
EnvFilePath string
|
||||
// Env is a list of environment variables to pass to the command, example: "FOO=bar"
|
||||
Env []string
|
||||
}
|
||||
|
||||
type DeployOptions struct {
|
||||
Options
|
||||
ForceRecreate bool
|
||||
// AbortOnContainerExit will stop the deployment if a container exits.
|
||||
// This is useful when running a onetime task.
|
||||
//
|
||||
// When this is set, docker compose will output its logs to stdout
|
||||
AbortOnContainerExit bool ``
|
||||
}
|
Loading…
Reference in New Issue