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tidy.go
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tidy.go
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// Copyright 2022 Namespace Labs Inc; All rights reserved.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
package mod
import (
"context"
"io"
"github.com/spf13/cobra"
"namespacelabs.dev/foundation/framework/rpcerrors/multierr"
"namespacelabs.dev/foundation/internal/cli/fncobra"
"namespacelabs.dev/foundation/internal/console"
"namespacelabs.dev/foundation/internal/fnfs"
"namespacelabs.dev/foundation/internal/integrations"
"namespacelabs.dev/foundation/internal/parsing"
"namespacelabs.dev/foundation/internal/parsing/module"
"namespacelabs.dev/foundation/schema"
"namespacelabs.dev/foundation/std/cfg"
"namespacelabs.dev/foundation/std/pkggraph"
)
const (
envRef = "dev"
foundationModule = "namespacelabs.dev/foundation"
)
func NewTidyCmd() *cobra.Command {
var (
env cfg.Context
)
return fncobra.Cmd(
&cobra.Command{
Use: "tidy",
Short: "Ensures that each server has the appropriate dependencies configured.",
Args: cobra.NoArgs,
}).
With(fncobra.HardcodeEnv(&env, envRef)).
Do(func(ctx context.Context) error {
// First of all, we work through all packages to make sure we have captured
// their dependencies locally. If we don't do this here, package parsing below
// will fail.
if err := maybeUpdateWorkspace(ctx, env); err != nil {
return err
}
root, err := module.FindRootWithArgs(ctx, ".", parsing.ModuleAtArgs{SkipAPIRequirements: true})
if err != nil {
return err
}
// Reload env since root was potentially updated.
env, err := cfg.LoadContext(root, envRef)
if err != nil {
return err
}
pl := parsing.NewPackageLoader(env)
list, err := parsing.ListSchemas(ctx, env, root)
if err != nil {
return err
}
packages := []*pkggraph.Package{}
for _, loc := range list.Locations {
pkg, err := pl.LoadByName(ctx, loc.AsPackageName())
if err != nil {
return err
}
packages = append(packages, pkg)
}
var errs []error
for _, pkg := range packages {
switch {
case pkg.Server != nil:
lang := integrations.IntegrationFor(pkg.Server.Framework)
if err := lang.TidyServer(ctx, env, pl, pkg.Location, pkg.Server); err != nil {
errs = append(errs, err)
}
case pkg.Node() != nil:
for _, fmwk := range pkg.Node().CodegeneratedFrameworks() {
lang := integrations.IntegrationFor(fmwk)
if err := lang.TidyNode(ctx, env, pl, pkg); err != nil {
errs = append(errs, err)
}
}
}
}
for _, fmwk := range schema.Framework_value {
lang := integrations.IntegrationFor(schema.Framework(fmwk))
if lang == nil {
continue
}
if err := lang.TidyWorkspace(ctx, env, packages); err != nil {
errs = append(errs, err)
}
}
return multierr.New(errs...)
})
}
func maybeUpdateWorkspace(ctx context.Context, env cfg.Context) error {
root, err := module.FindRoot(ctx, ".")
if err != nil {
return err
}
res := &moduleResolver{
deps: root.Workspace().Proto().Dep,
}
pl := parsing.NewPackageLoader(env, parsing.WithMissingModuleResolver(res))
schemas, err := parsing.ListSchemas(ctx, env, root)
if err != nil {
return err
}
for _, loc := range schemas.Locations {
if err := pl.Ensure(ctx, loc.AsPackageName()); err != nil {
return err
}
}
if root.ModuleName() != foundationModule {
// Always add a dep on the foundation module.
if _, err := res.Resolve(ctx, foundationModule); err != nil {
return err
}
}
return rewriteWorkspace(ctx, root, root.EditableWorkspace().WithReplacedDependencies(res.deps))
}
func rewriteWorkspace(ctx context.Context, root *parsing.Root, data pkggraph.WorkspaceData) error {
// Write an updated workspace.ns.textpb before continuing.
return fnfs.WriteWorkspaceFile(ctx, console.Stdout(ctx), root.ReadWriteFS(), data.DefinitionFile(), func(w io.Writer) error {
return data.FormatTo(w)
})
}
type moduleResolver struct {
deps []*schema.Workspace_Dependency
}
func (r *moduleResolver) Resolve(ctx context.Context, pkg schema.PackageName) (*schema.Workspace_Dependency, error) {
mod, err := parsing.ResolveModule(ctx, pkg.String())
if err != nil {
return nil, err
}
for _, dep := range r.deps {
if dep.ModuleName == mod.ModuleName {
return dep, nil
}
}
dep, err := parsing.ModuleHead(ctx, mod)
if err != nil {
return nil, err
}
r.deps = append(r.deps, dep)
return dep, nil
}