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1// Copyright 2021 Google Inc.
2//
3// Use of this source code is governed by a BSD-style license that can be
4// found in the LICENSE file.
5//
6// This executable builds the Docker images based off the Skia executables in the
7// gcr.io/skia-public/skia-release image. It then issues a PubSub notification to have those apps
8// tagged and deployed by docker_pushes_watcher.
9// See //docker_pushes_watcher/README.md in the infra repo for more.
10package main
11
12import (
13	"context"
14	"flag"
15	"fmt"
16	"os"
17	"path"
18	"path/filepath"
19
20	"cloud.google.com/go/pubsub"
21	"google.golang.org/api/option"
22
23	"go.skia.org/infra/go/auth"
24	"go.skia.org/infra/go/common"
25	docker_pubsub "go.skia.org/infra/go/docker/build/pubsub"
26	sk_exec "go.skia.org/infra/go/exec"
27	"go.skia.org/infra/task_driver/go/lib/auth_steps"
28	"go.skia.org/infra/task_driver/go/lib/bazel"
29	"go.skia.org/infra/task_driver/go/lib/checkout"
30	"go.skia.org/infra/task_driver/go/lib/docker"
31	"go.skia.org/infra/task_driver/go/lib/golang"
32	"go.skia.org/infra/task_driver/go/lib/os_steps"
33	"go.skia.org/infra/task_driver/go/td"
34	"go.skia.org/infra/task_scheduler/go/types"
35)
36
37var (
38	// Required properties for this task.
39	projectId     = flag.String("project_id", "", "ID of the Google Cloud project.")
40	taskId        = flag.String("task_id", "", "ID of this task.")
41	taskName      = flag.String("task_name", "", "Name of the task.")
42	workdir       = flag.String("workdir", ".", "Working directory")
43	infraRevision = flag.String("infra_revision", "origin/main", "Specifies which revision of the infra repo the images should be built off")
44
45	checkoutFlags = checkout.SetupFlags(nil)
46
47	// Optional flags.
48	local  = flag.Bool("local", false, "True if running locally (as opposed to on the bots)")
49	output = flag.String("o", "", "If provided, dump a JSON blob of step data to the given file. Prints to stdout if '-' is given.")
50)
51
52const (
53	fiddlerImageName = "fiddler"
54	apiImageName     = "api"
55)
56
57func buildPushFiddlerImage(ctx context.Context, dkr *docker.Docker, tag, infraCheckoutDir string, topic *pubsub.Topic) error {
58	// Run skia-release image and extract products out of /tmp/skia/skia. See
59	// https://skia.googlesource.com/skia/+/0e845dc8b05cb2d40d1c880184e33dd76081283a/docker/skia-release/Dockerfile#33
60	productsDir, err := os_steps.TempDir(ctx, "", "")
61	if err != nil {
62		return err
63	}
64	volumes := []string{
65		fmt.Sprintf("%s:/OUT", productsDir),
66	}
67	skiaCopyCmd := []string{"/bin/sh", "-c", "cd /tmp; tar cvzf skia.tar.gz --directory=/tmp/skia skia; cp /tmp/skia.tar.gz /OUT/"}
68	releaseImg := fmt.Sprintf("gcr.io/skia-public/skia-release:%s", tag)
69	if err := dkr.Run(ctx, releaseImg, skiaCopyCmd, volumes, nil); err != nil {
70		return err
71	}
72
73	err = td.Do(ctx, td.Props("Build "+fiddlerImageName+" image").Infra(), func(ctx context.Context) error {
74		runCmd := &sk_exec.Command{
75			Name:       "make",
76			Args:       []string{"release-fiddler-ci"},
77			InheritEnv: true,
78			Env: []string{
79				"COPY_FROM_DIR=" + productsDir,
80				"STABLE_DOCKER_TAG=" + tag,
81			},
82			Dir:       filepath.Join(infraCheckoutDir, "fiddlek"),
83			LogStdout: true,
84			LogStderr: true,
85		}
86		_, err := sk_exec.RunCommand(ctx, runCmd)
87		if err != nil {
88			return err
89		}
90		return nil
91	})
92	if err != nil {
93		return err
94	}
95	if err := docker.PublishToTopic(ctx, "gcr.io/skia-public/"+fiddlerImageName, tag, common.REPO_SKIA, topic); err != nil {
96		return err
97	}
98
99	return cleanupTempFiles(ctx, dkr, releaseImg, volumes)
100}
101
102func cleanupTempFiles(ctx context.Context, dkr *docker.Docker, image string, volumes []string) error {
103	// Remove all temporary files from the host machine. Swarming gets upset if there are root-owned
104	// files it cannot clean up.
105	cleanupCmd := []string{"/bin/sh", "-c", "rm -rf /OUT/*"}
106	return dkr.Run(ctx, image, cleanupCmd, volumes, nil)
107}
108
109func buildPushApiImage(ctx context.Context, dkr *docker.Docker, tag, checkoutDir, infraCheckoutDir string, topic *pubsub.Topic) error {
110	tempDir, err := os_steps.TempDir(ctx, "", "")
111	if err != nil {
112		return err
113	}
114	// Change perms of the directory for doxygen to be able to write to it.
115	if err := os.Chmod(tempDir, 0777); err != nil {
116		return err
117	}
118	// Run Doxygen pointing to the location of the checkout and the out dir.
119	volumes := []string{
120		fmt.Sprintf("%s:/OUT", tempDir),
121		fmt.Sprintf("%s:/CHECKOUT", checkoutDir),
122	}
123	env := []string{
124		"OUTPUT_DIRECTORY=/OUT",
125	}
126	doxygenCmd := []string{"/bin/sh", "-c", "cd /CHECKOUT/tools/doxygen && doxygen ProdDoxyfile"}
127	doxygenImg := "gcr.io/skia-public/doxygen:testing-slim"
128	// Make sure we have the latest doxygen image.
129	if err := dkr.Pull(ctx, doxygenImg); err != nil {
130		return err
131	}
132	if err := dkr.Run(ctx, doxygenImg, doxygenCmd, volumes, env); err != nil {
133		return err
134	}
135
136	err = td.Do(ctx, td.Props("Build "+apiImageName+" image").Infra(), func(ctx context.Context) error {
137		runCmd := &sk_exec.Command{
138			Name:       "make",
139			Args:       []string{"release-api-ci"},
140			InheritEnv: true,
141			Env: []string{
142				"COPY_FROM_DIR=" + filepath.Join(tempDir, "html"),
143				"STABLE_DOCKER_TAG=" + tag,
144			},
145			Dir:       filepath.Join(infraCheckoutDir, "api"),
146			LogStdout: true,
147			LogStderr: true,
148		}
149		_, err := sk_exec.RunCommand(ctx, runCmd)
150		if err != nil {
151			return err
152		}
153		return nil
154	})
155	if err != nil {
156		return err
157	}
158	if err := docker.PublishToTopic(ctx, "gcr.io/skia-public/"+apiImageName, tag, common.REPO_SKIA, topic); err != nil {
159		return err
160	}
161
162	return cleanupTempFiles(ctx, dkr, doxygenImg, volumes)
163}
164
165func main() {
166	// Setup.
167	ctx := td.StartRun(projectId, taskId, taskName, output, local)
168	defer td.EndRun(ctx)
169
170	if *infraRevision == "" {
171		td.Fatalf(ctx, "Must specify --infra_revision")
172	}
173
174	rs, err := checkout.GetRepoState(checkoutFlags)
175	if err != nil {
176		td.Fatal(ctx, err)
177	}
178	wd, err := os_steps.Abs(ctx, *workdir)
179	if err != nil {
180		td.Fatal(ctx, err)
181	}
182	// Check out the Skia repo code.
183	co, err := checkout.EnsureGitCheckout(ctx, path.Join(wd, "repo"), rs)
184	if err != nil {
185		td.Fatal(ctx, err)
186	}
187	skiaCheckoutDir := co.Dir()
188
189	// Checkout out the Skia infra repo at the specified commit.
190	infraRS := types.RepoState{
191		Repo:     common.REPO_SKIA_INFRA,
192		Revision: *infraRevision,
193	}
194	infraCheckoutDir := filepath.Join("infra_repo")
195	if _, err := checkout.EnsureGitCheckout(ctx, infraCheckoutDir, infraRS); err != nil {
196		td.Fatal(ctx, err)
197	}
198
199	// Setup go.
200	ctx = golang.WithEnv(ctx, wd)
201
202	// Ensure that the bazel cache is setup.
203	opts := bazel.BazelOptions{
204		CachePath: "/mnt/pd0/bazel_cache",
205	}
206	if err := bazel.EnsureBazelRCFile(ctx, opts); err != nil {
207		td.Fatal(ctx, err)
208	}
209
210	// Create token source with scope for cloud registry (storage) and pubsub.
211	ts, err := auth_steps.Init(ctx, *local, auth.ScopeUserinfoEmail, auth.ScopeFullControl, pubsub.ScopePubSub)
212	if err != nil {
213		td.Fatal(ctx, err)
214	}
215
216	// Create pubsub client.
217	client, err := pubsub.NewClient(ctx, docker_pubsub.TOPIC_PROJECT_ID, option.WithTokenSource(ts))
218	if err != nil {
219		td.Fatal(ctx, err)
220	}
221	topic := client.Topic(docker_pubsub.TOPIC)
222
223	// Figure out which tag to use for docker build and push.
224	tag := rs.Revision
225	if rs.Issue != "" && rs.Patchset != "" {
226		tag = fmt.Sprintf("%s_%s", rs.Issue, rs.Patchset)
227	}
228
229	// Instantiate docker.
230	dkr, err := docker.New(ctx, ts)
231	if err != nil {
232		td.Fatal(ctx, err)
233	}
234
235	// Build and push all apps of interest below.
236	if err := buildPushApiImage(ctx, dkr, tag, skiaCheckoutDir, infraCheckoutDir, topic); err != nil {
237		td.Fatal(ctx, err)
238	}
239	if err := buildPushFiddlerImage(ctx, dkr, tag, infraCheckoutDir, topic); err != nil {
240		td.Fatal(ctx, err)
241	}
242}
243