Files
uncloud/cmd/uncloud/deploy.go
T

100 lines
2.5 KiB
Go

package main
import (
"context"
"fmt"
composecli "github.com/compose-spec/compose-go/v2/cli"
"github.com/compose-spec/compose-go/v2/graph"
"github.com/compose-spec/compose-go/v2/types"
"github.com/spf13/cobra"
"uncloud/internal/cli"
)
type deployOptions struct {
files []string
services []string
cluster string
}
// NewDeployCommand creates a new command to deploy services from a Compose file.
func NewDeployCommand() *cobra.Command {
opts := deployOptions{}
cmd := &cobra.Command{
Use: "deploy [FLAGS] [SERVICE...]",
// TODO: remove WIP when the command is fully implemented.
Short: "WIP: Deploy services from a Compose file.",
RunE: func(cmd *cobra.Command, args []string) error {
uncli := cmd.Context().Value("cli").(*cli.CLI)
if len(args) > 0 {
opts.services = args
}
return deploy(cmd.Context(), uncli, opts)
},
}
cmd.Flags().StringSliceVarP(&opts.files, "file", "f", nil,
"One or more Compose files to deploy services from. (default compose.yaml)")
cmd.Flags().StringVarP(&opts.cluster, "cluster", "c", "",
"Name of the cluster to deploy to (default is the current cluster)")
return cmd
}
// deploy parses the Compose file(s) and deploys the services.
func deploy(ctx context.Context, uncli *cli.CLI, opts deployOptions) error {
project, err := loadComposeProject(ctx, opts)
if err != nil {
return err
}
projectYAML, err := project.MarshalYAML()
if err != nil {
return err
}
fmt.Println(string(projectYAML))
// TODO: move to ComposeDeployment.
err = graph.InDependencyOrder(ctx, project,
// TODO: properly handle dependency conditions.
func(ctx context.Context, name string, service types.ServiceConfig) error {
service, err := project.GetService(name)
if err != nil {
return err
}
fmt.Println(service.Name)
return nil
})
return nil
}
func loadComposeProject(ctx context.Context, opts deployOptions) (*types.Project, error) {
options, err := composecli.NewProjectOptions(
opts.files,
// First apply os.Environment, always wins.
composecli.WithOsEnv,
// Read dot env file to populate project environment.
composecli.WithDotEnv,
// Get compose file path set by COMPOSE_FILE.
composecli.WithConfigFileEnv,
// If none was selected, get default compose.yaml file from current dir or parent folders.
composecli.WithDefaultConfigPath,
)
if err != nil {
return nil, fmt.Errorf("create compose parser options: %w", err)
}
project, err := options.LoadProject(ctx)
if err != nil {
return nil, fmt.Errorf("load compose file(s): %w", err)
}
return project, nil
}