mirror of https://github.com/perkeep/perkeep.git
120 lines
3.4 KiB
Go
120 lines
3.4 KiB
Go
/*
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Copyright 2013 The Camlistore Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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// This program runs the development appengine
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// camlistore with dev_appserver.py.
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package main
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import (
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"flag"
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"fmt"
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"os"
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"path/filepath"
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"strconv"
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"camlistore.org/pkg/cmdmain"
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)
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type gaeCmd struct {
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// start of flag vars
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all bool
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port string
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sdk string
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wipe bool
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// end of flag vars
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}
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func init() {
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cmdmain.RegisterCommand("appengine", func(flags *flag.FlagSet) cmdmain.CommandRunner {
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cmd := new(gaeCmd)
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flags.BoolVar(&cmd.all, "all", false, "Listen on all interfaces.")
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flags.StringVar(&cmd.port, "port", "3179", "Port to listen on.")
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flags.StringVar(&cmd.sdk, "sdk", "", "The path to the App Engine Go SDK (or a symlink to it).")
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flags.BoolVar(&cmd.wipe, "wipe", false, "Wipe the blobs on disk and the indexer.")
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return cmd
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})
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}
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func (c *gaeCmd) Usage() {
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fmt.Fprintf(cmdmain.Stderr, "Usage: devcam [globalopts] appengine [cmdopts] [other_dev_appserver_opts] \n")
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}
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func (c *gaeCmd) Describe() string {
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return "run the App Engine camlistored in dev mode."
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}
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func (c *gaeCmd) RunCommand(args []string) error {
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err := c.checkFlags(args)
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if err != nil {
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return cmdmain.UsageError(fmt.Sprint(err))
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}
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applicationDir := filepath.Join("server", "appengine")
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if _, err := os.Stat(applicationDir); err != nil {
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return fmt.Errorf("Appengine application dir not found at %s", applicationDir)
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}
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if err = c.checkSDK(); err != nil {
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return err
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}
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if err = c.mirrorSourceRoot(applicationDir); err != nil {
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return err
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}
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devAppServerBin := filepath.Join(c.sdk, "dev_appserver.py")
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cmdArgs := []string{
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"--skip_sdk_update_check",
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fmt.Sprintf("--port=%s", c.port),
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}
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if c.all {
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cmdArgs = append(cmdArgs, "--host", "0.0.0.0")
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}
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if c.wipe {
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cmdArgs = append(cmdArgs, "--clear_datastore")
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}
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cmdArgs = append(cmdArgs, args...)
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cmdArgs = append(cmdArgs, applicationDir)
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return runExec(devAppServerBin, cmdArgs, nil)
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}
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func (c *gaeCmd) checkFlags(args []string) error {
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if _, err := strconv.ParseInt(c.port, 0, 0); err != nil {
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return fmt.Errorf("Invalid -port value: %q", c.port)
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}
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return nil
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}
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func (c *gaeCmd) checkSDK() error {
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defaultSDK := "appengine-sdk"
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if c.sdk == "" {
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c.sdk = defaultSDK
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}
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if _, err := os.Stat(c.sdk); err != nil {
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return fmt.Errorf("App Engine SDK not found. Please specify it with --sdk or:\n$ ln -s /path/to/appengine-go-sdk %s\n\n", defaultSDK)
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}
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return nil
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}
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func (c *gaeCmd) mirrorSourceRoot(gaeAppDir string) error {
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uiDirs := []string{"server/camlistored/ui", "third_party/closure/lib/closure", "pkg/server"}
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for _, dir := range uiDirs {
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oriPath := filepath.Join(camliSrcRoot, filepath.FromSlash(dir))
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dstPath := filepath.Join(gaeAppDir, "source_root", filepath.FromSlash(dir))
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if err := cpDir(oriPath, dstPath, []string{".go"}); err != nil {
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return fmt.Errorf("Error while mirroring %s to %s: %v", oriPath, dstPath, err)
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}
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}
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return nil
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}
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