portainer/api/internal/upgrade/upgrade_docker.go

123 lines
3.0 KiB
Go

package upgrade
import (
"bytes"
"context"
"fmt"
"os"
"strings"
"time"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/filters"
"github.com/docker/docker/client"
libstack "github.com/portainer/docker-compose-wrapper"
"github.com/portainer/portainer/api/filesystem"
"github.com/cbroglie/mustache"
"github.com/pkg/errors"
"github.com/rs/zerolog/log"
)
func (service *service) upgradeDocker(licenseKey, version, envType string) error {
ctx := context.TODO()
templateName := filesystem.JoinPaths(service.assetsPath, "mustache-templates", mustacheUpgradeDockerTemplateFile)
portainerImagePrefix := os.Getenv(portainerImagePrefixEnvVar)
if portainerImagePrefix == "" {
portainerImagePrefix = "portainer/portainer-ee"
}
image := fmt.Sprintf("%s:%s", portainerImagePrefix, version)
skipPullImage := os.Getenv(skipPullImageEnvVar)
if err := service.checkImageForDocker(ctx, image, skipPullImage != ""); err != nil {
return err
}
composeFile, err := mustache.RenderFile(templateName, map[string]string{
"image": image,
"skip_pull_image": skipPullImage,
"updater_image": os.Getenv(updaterImageEnvVar),
"license": licenseKey,
"envType": envType,
})
log.Debug().
Str("composeFile", composeFile).
Msg("Compose file for upgrade")
if err != nil {
return errors.Wrap(err, "failed to render upgrade template")
}
tmpDir := os.TempDir()
timeId := time.Now().Unix()
filePath := filesystem.JoinPaths(tmpDir, fmt.Sprintf("upgrade-%d.yml", timeId))
r := bytes.NewReader([]byte(composeFile))
err = filesystem.CreateFile(filePath, r)
if err != nil {
return errors.Wrap(err, "failed to create upgrade compose file")
}
projectName := fmt.Sprintf(
"portainer-upgrade-%d-%s",
timeId,
strings.ReplaceAll(version, ".", "-"))
err = service.composeDeployer.Deploy(
ctx,
[]string{filePath},
libstack.DeployOptions{
ForceRecreate: true,
AbortOnContainerExit: true,
Options: libstack.Options{
ProjectName: projectName,
},
},
)
// optimally, server was restarted by the updater, so we should not reach this point
if err != nil {
return errors.Wrap(err, "failed to deploy upgrade stack")
}
return errors.New("upgrade failed: server should have been restarted by the updater")
}
func (service *service) checkImageForDocker(ctx context.Context, image string, skipPullImage bool) error {
cli, err := client.NewClientWithOpts(client.FromEnv)
if err != nil {
return errors.Wrap(err, "failed to create docker client")
}
if skipPullImage {
filters := filters.NewArgs()
filters.Add("reference", image)
images, err := cli.ImageList(ctx, types.ImageListOptions{
Filters: filters,
})
if err != nil {
return errors.Wrap(err, "failed to list images")
}
if len(images) == 0 {
return errors.Errorf("image %s not found locally", image)
}
return nil
} else {
// check if available on registry
_, err := cli.DistributionInspect(ctx, image, "")
if err != nil {
return errors.Errorf("image %s not found on registry", image)
}
return nil
}
}