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// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
import (
"bytes"
"context"
"flag"
"fmt"
"io/ioutil"
"log"
"os"
"path/filepath"
"sort"
"strings"
"time"
"github.com/google/go-github/github"
"golang.org/x/build/gerrit"
"golang.org/x/build/internal/gophers"
"golang.org/x/build/maintner"
"golang.org/x/build/maintner/godata"
"golang.org/x/oauth2"
)
var mode = flag.String("mode", "", "mode to run in. Valid values:\n\n"+modeSummary())
type handler struct {
fn func(*statsClient)
desc string
}
var modes = map[string]handler{
"find-github-email": {(*statsClient).findGithubEmails, "discover mappings between github usernames and emails"},
"gerrit-groups": {(*statsClient).gerritGroups, "print stats on gerrit groups"},
"github-groups": {(*statsClient).githubGroups, "print stats on github groups"},
"github-issue-close": {(*statsClient).githubIssueCloseStats, "print stats on github closed issues"},
"gerrit-cls": {(*statsClient).gerritCLStats, "print stats on opened gerrit CLs"},
}
func modeSummary() string {
var buf bytes.Buffer
var sorted []string
for mode := range modes {
sorted = append(sorted, mode)
}
sort.Strings(sorted)
for _, mode := range sorted {
fmt.Fprintf(&buf, "%q: %s\n", mode, modes[mode].desc)
}
return buf.String()
}
type statsClient struct {
ghc *github.Client
gerrc *gerrit.Client
corpusCache *maintner.Corpus
}
func (sc *statsClient) corpus() *maintner.Corpus {
if sc.corpusCache == nil {
var err error
sc.corpusCache, err = godata.Get(context.Background())
if err != nil {
log.Fatalf("Loading maintner corpus: %v", err)
}
}
return sc.corpusCache
}
func main() {
flag.Parse()
if *mode == "" {
fmt.Fprintf(os.Stderr, "Missing required --mode flag.\n")
flag.Usage()
os.Exit(1)
}
h, ok := modes[*mode]
if !ok {
fmt.Fprintf(os.Stderr, "Unknown --mode flag.\n")
flag.Usage()
os.Exit(1)
}
ghc, err := getGithubClient()
if err != nil {
log.Fatal(err)
}
gerrc := gerrit.NewClient("https://go-review.googlesource.com", gerrit.GitCookieFileAuth(filepath.Join(os.Getenv("HOME"), ".gitcookies")))
sc := &statsClient{
ghc: ghc,
gerrc: gerrc,
}
h.fn(sc)
}
func (sc *statsClient) gerritGroups() {
ctx := context.Background()
groups, err := sc.gerrc.GetGroups(ctx)
if err != nil {
log.Fatalf("Gerrit.GetGroups: %v", err)
}
for name, gi := range groups {
switch name {
case "approvers", "may-start-trybots", "gophers":
members, err := sc.gerrc.GetGroupMembers(ctx, gi.ID)
if err != nil {
log.Fatal(err)
}
numGoog, numExt := 0, 0
for _, member := range members {
//fmt.Printf(" %s: %+v\n", name, member)
p := gophers.GetGerritPerson(member)
if p == nil {
fmt.Printf("addPerson(%q, %q)\n", member.Name, member.Email)
} else {
if p.Googler {
numGoog++
} else {
numExt++
}
}
}
fmt.Printf("Group %s: %d total (%d googlers, %d external)\n", name, numGoog+numExt, numGoog, numExt)
}
}
}
// quarter returns a quarter of a year, in the form "2017q1".
func quarter(t time.Time) string {
// TODO: do this allocation-free? preculate them in init?
return fmt.Sprintf("%04dq%v", t.Year(), (int(t.Month()-1)/3)+1)
}
func (sc *statsClient) githubIssueCloseStats() {
repo := sc.corpus().GitHub().Repo("golang", "go")
if repo == nil {
log.Fatal("Failed to find Go repo.")
}
commClosed := map[string]map[*gophers.Person]int{}
googClosed := map[string]map[*gophers.Person]int{}
quarterSet := map[string]struct{}{}
repo.ForeachIssue(func(gi *maintner.GitHubIssue) error {
if !gi.Closed {
return nil
}
gi.ForeachEvent(func(e *maintner.GitHubIssueEvent) error {
if e.Type != "closed" {
return nil
}
if e.Actor == nil {
return nil
}
q := quarter(e.Created)
quarterSet[q] = struct{}{}
if commClosed[q] == nil {
commClosed[q] = map[*gophers.Person]int{}
}
if googClosed[q] == nil {
googClosed[q] = map[*gophers.Person]int{}
}
var p *gophers.Person
if e.Actor.Login == "gopherbot" {
gc := sc.corpus().GitCommit(e.CommitID)
if gc != nil {
email := gc.Author.Email()
p = gophers.GetPerson(email)
if p == nil {
log.Printf("unknown closer email: %q", email)
}
}
} else {
p = gophers.GetPerson("@" + e.Actor.Login)
}
if p != nil {
if p.Googler {
googClosed[q][p]++
} else {
commClosed[q][p]++
}
}
return nil
})
return nil
})
sumPeeps := func(m map[*gophers.Person]int) (sum int) {
for _, v := range m {
sum += v
}
return
}
var quarters []string
for q := range quarterSet {
quarters = append(quarters, q)
}
sort.Strings(quarters)
for _, q := range quarters {
googTotal := sumPeeps(googClosed[q])
commTotal := sumPeeps(commClosed[q])
googUniq := len(googClosed[q])
commUniq := len(commClosed[q])
tot := googTotal + commTotal
totUniq := googUniq + commUniq
percentGoog := 100 * float64(googTotal) / float64(tot)
fmt.Printf("%s closed issues: %v closes (%.2f%% goog %d; ext %d), %d unique people (%d goog, %d ext)\n",
q, tot,
percentGoog, googTotal, commTotal,
totUniq, googUniq, commUniq,
)
}
}
type personSet struct {
s map[*gophers.Person]struct{}
numGoog int
numExt int
}
func (s *personSet) sum() int { return len(s.s) }
func (s *personSet) add(p *gophers.Person) {
if s.s == nil {
s.s = make(map[*gophers.Person]struct{})
}
if _, ok := s.s[p]; !ok {
s.s[p] = struct{}{}
if p.Googler {
s.numGoog++
} else {
s.numExt++
}
}
}
func (sc *statsClient) githubGroups() {
ctx := context.Background()
teamList, _, err := sc.ghc.Repositories.ListTeams(ctx, "golang", "go", nil)
if err != nil {
log.Fatal(err)
}
var teams = map[string]*personSet{}
for _, t := range teamList {
teamName := t.GetName()
switch teamName {
default:
continue
case "go-approvers", "gophers":
}
ps := new(personSet)
teams[teamName] = ps
users, _, err := sc.ghc.Organizations.ListTeamMembers(ctx, t.GetID(), &github.OrganizationListTeamMembersOptions{
ListOptions: github.ListOptions{PerPage: 1000},
})
if err != nil {
log.Fatal(err)
}
for _, u := range users {
login := strings.ToLower(u.GetLogin())
if login == "gopherbot" {
continue
}
p := gophers.GetPerson("@" + login)
if p == nil {
panic(fmt.Sprintf("failed to find github person %q", "@"+login))
}
ps.add(p)
}
}
cur := teams["go-approvers"]
prev := parseOldSnapshot(githubGoApprovers20170106)
log.Printf("Approvers 2016-12-13: %d: %v goog, %v ext", prev.sum(), prev.numGoog, prev.numExt)
log.Printf("Approvers cur: %d: %v goog, %v ext", cur.sum(), cur.numGoog, cur.numExt)
}
func parseOldSnapshot(s string) *personSet {
ps := new(personSet)
for _, f := range strings.Fields(s) {
if !strings.HasPrefix(f, "@") {
continue
}
p := gophers.GetPerson(f)
if p == nil {
panic(fmt.Sprintf("failed to find github person %q", f))
}
ps.add(p)
}
return ps
}
// Gerrit 2016-12-13:
// May start trybots, non-Googlers: 11
// Approvers, non-Googlers: 19
const githubGoApprovers20170106 = `
@0intro
0intro
David du Colombier
@4ad
4ad
Aram Hăvărneanu
@adams-sarah
adams-sarah
Sarah Adams
@adg
adg Owner
Andrew Gerrand
@alexbrainman
alexbrainman
Alex Brainman
@ality
ality
Anthony Martin
@campoy
campoy
Francesc Campoy
@DanielMorsing
DanielMorsing
Daniel Morsing
@davecheney
davecheney
Dave Cheney
@davidlazar
davidlazar
David Lazar
@dvyukov
dvyukov
Dmitry Vyukov
@eliasnaur
eliasnaur
Elias Naur
@hanwen
hanwen
Han-Wen Nienhuys
@josharian
josharian
Josh Bleecher Snyder
@jpoirier
jpoirier
Joseph Poirier
@kardianos
kardianos
Daniel Theophanes
@martisch
martisch
Martin Möhrmann
@matloob
matloob
Michael Matloob
@mdempsky
mdempsky
Matthew Dempsky
@mikioh
mikioh
Mikio Hara
@minux
minux
Minux Ma
@mwhudson
mwhudson
Michael Hudson-Doyle
@neild
neild
Damien Neil
@niemeyer
niemeyer
Gustavo Niemeyer
@odeke-em
odeke-em
Emmanuel T Odeke
@quentinmit
quentinmit Owner
Quentin Smith
@rakyll
rakyll
jbd@
@remyoudompheng
remyoudompheng
Rémy Oudompheng
@rminnich
rminnich
ron minnich
@rogpeppe
rogpeppe
Roger Peppe
@rui314
rui314
Rui Ueyama
@thanm
thanm
Than McIntosh
`
const githubGoAssignees20170106 = `
@crawshaw
crawshaw Team maintainer
David Crawshaw
@0intro
0intro
David du Colombier
@4ad
4ad
Aram Hăvărneanu
@adams-sarah
adams-sarah
Sarah Adams
@alexbrainman
alexbrainman
Alex Brainman
@alexcesaro
alexcesaro
Alexandre Cesaro
@ality
ality
Anthony Martin
@artyom
artyom
Artyom Pervukhin
@bcmills
bcmills
Bryan C. Mills
@billotosyr
billotosyr
@brtzsnr
brtzsnr
Alexandru Moșoi
@bsiegert
bsiegert
Benny Siegert
@c4milo
c4milo
Camilo Aguilar
@carl-mastrangelo
carl-mastrangelo
Carl Mastrangelo
@cespare
cespare
Caleb Spare
@DanielMorsing
DanielMorsing
Daniel Morsing
@davecheney
davecheney
Dave Cheney
@dominikh
dominikh
Dominik Honnef
@dskinner
dskinner
Daniel Skinner
@dsnet
dsnet
Joe Tsai
@dspezia
dspezia
Didier Spezia
@eliasnaur
eliasnaur
Elias Naur
@emergencybutter
emergencybutter
Arnaud
@evandbrown
evandbrown
Evan Brown
@fatih
fatih
Fatih Arslan
@garyburd
garyburd
Gary Burd
@hanwen
hanwen
Han-Wen Nienhuys
@jeffallen
jeffallen
Jeff R. Allen
@johanbrandhorst
johanbrandhorst
Johan Brandhorst
@josharian
josharian
Josh Bleecher Snyder
@jtsylve
jtsylve
Joe Sylve
@kardianos
kardianos
Daniel Theophanes
@kytrinyx
kytrinyx
Katrina Owen
@marete
marete
Brian Gitonga Marete
@martisch
martisch
Martin Möhrmann
@mattn
mattn
mattn
@mdempsky
mdempsky
Matthew Dempsky
@mdlayher
mdlayher
Matt Layher
@mikioh
mikioh
Mikio Hara
@millerresearch
millerresearch
Richard Miller
@minux
minux
Minux Ma
@mundaym
mundaym
Michael Munday
@mwhudson
mwhudson
Michael Hudson-Doyle
@myitcv
myitcv
Paul Jolly
@neelance
neelance
Richard Musiol
@niemeyer
niemeyer
Gustavo Niemeyer
@nodirt
nodirt
Nodir Turakulov
@rahulchaudhry
rahulchaudhry
Rahul Chaudhry
@rauls5382
rauls5382
Raul Silvera
@remyoudompheng
remyoudompheng
Rémy Oudompheng
@rhysh
rhysh
Rhys Hiltner
@rogpeppe
rogpeppe
Roger Peppe
@rsc
rsc Owner
Russ Cox
@rui314
rui314
Rui Ueyama
@sbinet
sbinet
Sebastien Binet
@shawnps
shawnps
Shawn Smith
@thanm
thanm
Than McIntosh
@titanous
titanous
Jonathan Rudenberg
@tombergan
tombergan
@tzneal
tzneal
Todd
@vstefanovic
vstefanovic
@wathiede
wathiede
Bill
@x1ddos
x1ddos
alex
@zombiezen
zombiezen
Ross Light
`
var discoverGoRepo = flag.String("discovery-go-repo", "go", "github.com/golang repo to discovery email addreses from")
func (sc *statsClient) findGithubEmails() {
seen := map[string]bool{}
for page := 1; page < 500; page++ {
commits, _, err := sc.ghc.Repositories.ListCommits(context.Background(), "golang", *discoverGoRepo, &github.CommitsListOptions{
ListOptions: github.ListOptions{Page: page, PerPage: 1000},
})
if err != nil {
log.Fatalf("page %d: %v", page, err)
}
for _, com := range commits {
ghUser := com.Author.GetLogin()
if ghUser == "" {
continue
}
if seen[ghUser] {
continue
}
seen[ghUser] = true
ca := com.Commit.Author
p := gophers.GetPerson("@" + ghUser)
if p != nil && gophers.GetPerson(ca.GetEmail()) == p {
// Nothing new.
continue
}
fmt.Printf("addPerson(%q, %q, %q)\n", ca.GetName(), ca.GetEmail(), "@"+ghUser)
}
}
}
func (sc *statsClient) gerritCLStats() {
perQuarter := map[string]int{}
perQuarterGoog := map[string]int{}
perQuarterExt := map[string]int{}
printedUnknown := map[string]bool{}
perQuarterUniq := map[string]*personSet{}
sc.corpus().Gerrit().ForeachProjectUnsorted(func(gp *maintner.GerritProject) error {
gp.ForeachCLUnsorted(func(cl *maintner.GerritCL) error {
q := quarter(cl.Created)
perQuarter[q]++
email := cl.Commit.Author.Email()
p := gophers.GetPerson(email)
var isGoog bool
if p != nil {
isGoog = p.Googler
if _, ok := perQuarterUniq[q]; !ok {
perQuarterUniq[q] = new(personSet)
}
perQuarterUniq[q].add(p)
} else {
isGoog = strings.HasSuffix(email, "@google.com")
if !printedUnknown[email] {
printedUnknown[email] = true
fmt.Printf("addPerson(%q, %q)\n", cl.Commit.Author.Name(), email)
}
}
if isGoog {
perQuarterGoog[q]++
} else {
perQuarterExt[q]++
}
return nil
})
return nil
})
for _, q := range sortedStrMapKeys(perQuarter) {
goog := perQuarterGoog[q]
ext := perQuarterExt[q]
tot := goog + ext
fmt.Printf("%s: %d commits (%0.2f%% %d goog, %d ext)\n", q, perQuarter[q], 100*float64(goog)/float64(tot), goog, ext)
}
for _, q := range sortedStrMapKeys(perQuarter) {
ps := perQuarterUniq[q]
fmt.Printf("%s: %d unique users (%0.2f%% %d goog, %d ext)\n", q, len(ps.s), 100*float64(ps.numGoog)/float64(len(ps.s)), ps.numGoog, ps.numExt)
}
}
func sortedStrMapKeys(m map[string]int) []string {
ret := make([]string, 0, len(m))
for k := range m {
ret = append(ret, k)
}
sort.Strings(ret)
return ret
}
func getGithubToken() (string, error) {
// TODO: get from GCE metadata, etc.
tokenFile := filepath.Join(os.Getenv("HOME"), "keys", "github-read-org")
slurp, err := ioutil.ReadFile(tokenFile)
if err != nil {
return "", err
}
f := strings.SplitN(strings.TrimSpace(string(slurp)), ":", 2)
if len(f) != 2 || f[0] == "" || f[1] == "" {
return "", fmt.Errorf("Expected token file %s to be of form <username>:<token>", tokenFile)
}
return f[1], nil
}
func getGithubClient() (*github.Client, error) {
token, err := getGithubToken()
if err != nil {
return nil, err
}
ts := oauth2.StaticTokenSource(&oauth2.Token{AccessToken: token})
tc := oauth2.NewClient(context.Background(), ts)
return github.NewClient(tc), nil
}