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image.go
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image.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 image
import (
"context"
"embed"
"encoding/json"
"fmt"
"io/fs"
"path/filepath"
"sort"
"strings"
"github.com/moby/buildkit/client/llb"
"github.com/moby/buildkit/util/system"
specs "github.com/opencontainers/image-spec/specs-go/v1"
"namespacelabs.dev/foundation/internal/dependencies/pins"
"namespacelabs.dev/foundation/internal/llbutil"
)
var (
//go:embed versions.json
lib embed.FS
)
type versionsJSON struct {
Images map[string]string `json:"images"`
Buf bufDef `json:"buf"`
GoPackages map[string]string `json:"goPackages"`
Protoc string `json:"protoc"`
Yarn string `json:"yarn"`
ProtobufTs string `json:"protobuf-ts"`
}
type bufDef struct {
Go string `json:"go"`
Prebuilt string `json:"prebuilt"`
}
func Prebuilt(ctx context.Context, target specs.Platform) (llb.State, error) {
versions := loadVersions()
return llbutil.Prebuilt(ctx, versions.Buf.Prebuilt, target)
}
func baseCopies(platform specs.Platform) []llb.StateOption {
versions := loadVersions()
golangImage := pins.Image(versions.Buf.Go)
gobase := llbutil.Image(golangImage, platform).
AddEnv("CGO_ENABLED", "0").
AddEnv("PATH", "/usr/local/go/bin:"+system.DefaultPathEnvUnix).
AddEnv("GOPATH", "/go").
AddEnv("GOOS", platform.OS).
AddEnv("GOARCH", platform.Architecture)
var packages []string
for repo, version := range versions.GoPackages {
packages = append(packages, fmt.Sprintf("%s@%s", repo, version))
}
sort.Strings(packages) // determinism.
out := gobase
var bins []string
for _, p := range packages {
fp := filepath.Base(p)
parts := strings.SplitN(fp, "@", 2)
bins = append(bins, parts[0])
goInstall := append([]string{"go", "install"}, p)
out = out.Run(llb.Shlex(strings.Join(goInstall, " "))).Root()
}
var copies []llb.StateOption
for _, bin := range bins {
copies = append(copies, llbutil.CopyFrom(out, "/go/bin/"+bin, "/bin/"+bin))
}
return copies
}
func ImagePlan(platform specs.Platform) (llb.State, error) {
copies := baseCopies(platform)
target := llbutil.Image("cgr.dev/chainguard/static:latest@sha256:2ea44d9bdd177a07e6fba8a60f7d45cb8a7358586a5f740187866566e6df310d", platform)
return target.With(copies...), nil
}
func ImagePlanWithNodeJS(platform specs.Platform) llb.State {
copies := baseCopies(platform)
baseProtobufTsImage := buildProtobufTsImage(platform)
protobufTsPaths := [][]string{
{"protobuf-ts/packages/plugin/bin", "protobuf-ts/packages/plugin/bin"},
{"protobuf-ts/packages/plugin/build", "protobuf-ts/packages/plugin/build"},
{"protobuf-ts/packages/plugin/package.json", "protobuf-ts/packages/plugin/package.json"},
{"protobuf-ts/packages/plugin-framework/build/commonjs", "protobuf-ts/packages/plugin/node_modules/@protobuf-ts/plugin-framework"},
{"protobuf-ts/packages/runtime/build/commonjs", "protobuf-ts/packages/plugin/node_modules/@protobuf-ts/runtime"},
{"protobuf-ts/packages/runtime-rpc/build/commonjs", "protobuf-ts/packages/plugin/node_modules/@protobuf-ts/runtime-rpc"},
{"protobuf-ts/packages/plugin/node_modules/typescript/lib/typescript.js", "protobuf-ts/packages/plugin/node_modules/typescript/index.js"},
}
for _, pair := range protobufTsPaths {
copies = append(copies, llbutil.CopyFrom(baseProtobufTsImage, pair[0], pair[1]))
}
target := llbutil.Image(pins.Default("node"), platform)
return target.With(copies...)
}
func buildProtobufTsImage(platform specs.Platform) llb.State {
versions := loadVersions()
alpineImage := pins.Default("alpine")
target := llbutil.Image(alpineImage, platform)
// Compiling forked protobuf-ts from sources. Takes ~1 minute.
// This is temporary, eventually we need to migrate to a published version.
return target.Run(llb.Shlex("apk add --no-cache git make npm")).Root().
Run(llb.Shlex("git clone https://github.com/namespacelabs/protobuf-ts.git")).Root().
// Creating a temporary local branch for the pinned commit
Run(llb.Shlex(fmt.Sprintf("git checkout -b TmpBranchForPinnedCommit %s", versions.ProtobufTs)),
llb.Dir("protobuf-ts")).Root().
Run(llb.Shlex("make npm-install lerna-bootstrap"),
llb.Dir("protobuf-ts")).Root().
Run(llb.Shlex("make build"),
llb.Dir("protobuf-ts/packages/runtime")).Root().
Run(llb.Shlex("make build"),
llb.Dir("protobuf-ts/packages/runtime-rpc")).Root().
Run(llb.Shlex("make build"),
llb.Dir("protobuf-ts/packages/plugin-framework")).Root().
Run(llb.Shlex("make build"),
llb.Dir("protobuf-ts/packages/plugin")).Root().
Run(llb.Shlex("ls"),
llb.Dir("protobuf-ts/packages/plugin/bin")).Root()
}
func loadVersions() versionsJSON {
versionData, err := fs.ReadFile(lib, "versions.json")
if err != nil {
panic(err)
}
var versions versionsJSON
if err := json.Unmarshal(versionData, &versions); err != nil {
panic(err)
}
return versions
}