/
bot.go
303 lines (243 loc) · 7.69 KB
/
bot.go
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package main
import (
"log"
"time"
"flag"
// profile
"net/http"
_ "net/http/pprof"
g "github.com/sergle/go-gerrit"
"github.com/sergle/go-gerrit/change"
)
const ConfigFile = "gerrit.conf"
var (
gerrit *g.Gerrit
last_updated map[string]string
)
func process_change_list(list []*change.LongChange, verbose bool) {
ready := 0
updated := 0
for _, ch := range list {
if verbose {
print_change(ch)
}
_, verified := gerrit.IsVerified(ch)
// no jenkins mark - ignore
if verified != 1 {
if verbose {
log.Printf("SKIP: not verified")
}
continue
}
// merge conflict - ignore
if !ch.Mergeable {
if verbose {
log.Printf("SKIP: cannot be merged")
}
continue
}
all_review := true
has_negative := false
already_approved := false
is_reviewer := false
for _, p := range ch.Labels.CodeReview.All {
if gerrit.IsMyself(p.Username) {
is_reviewer = true
if p.Value == 2 {
already_approved = true
}
}
if p.Value == -1 || p.Value == -2 || p.Value == 0 {
if p.Value == 0 {
if p.Username == ch.Owner.Username {
// owner itself
continue
} else if gerrit.IsCI(p.Username) {
// CI agent
continue
}
}
all_review = false
//break
if p.Value == -1 || p.Value == -2 {
has_negative = true
}
}
// +1, +2 is ok
}
if !is_reviewer {
log.Printf("NOT IN REVIEW LIST")
continue
}
if already_approved {
if verbose {
log.Printf("SKIP: already +2")
}
continue
}
// not all reviewers argee
if has_negative {
if verbose {
log.Printf("SKIP: has negative review")
}
continue
}
// not all reviewers
if !all_review {
if verbose {
log.Printf("SKIP: not all reviewed")
}
continue
}
// print it
ready++
// if verbose - already printed
if !verbose {
print_change(ch)
}
msg := "Gerrit-Bot: auto-approve (all reviewers +1)"
log.Printf("ALL OK: %s", msg)
reply, err := gerrit.PostReview(ch.Id, msg, 2)
if err != nil {
log.Printf("Post failed: %s", err)
return
}
log.Printf("Posted review: +%d", reply.Labels.CodeReview)
updated++
}
log.Printf("Ready: %d, Reviewed: %d", ready, updated)
}
func print_change(change *change.LongChange) {
log.Printf("Change ID: %s", change.Id)
log.Printf(" Project: %s", change.Project)
log.Printf(" Branch: %s", change.Branch)
log.Printf(" Owner: %s", change.Owner.Username)
log.Printf(" Subject: %s", change.Subject)
log.Printf(" Updated: %s", change.Updated[0:16])
ci_username, verified := gerrit.IsVerified(change)
if ci_username != "" {
log.Printf(" Verified: %s : %d", ci_username, verified)
}
for _, rv := range change.Labels.CodeReview.All {
log.Printf(" Review: %s : %d", rv.Username, rv.Value)
}
}
func get_change(id string, ch chan<- *change.LongChange) () {
detail, err := gerrit.GetChange(id)
if err != nil {
log.Printf("Failed to fetch change: %s\n", id)
}
ch <- detail
return
}
func dashboard(query_string string, project_list []string, verbose bool) {
var change_list = make([]change.ShortChange, 0)
for _, project := range project_list {
list, err := gerrit.FetchChangeList(query_string + "+p:" + project)
if err != nil {
return
}
if verbose {
log.Printf("Project %s has %d changes\n", project, len(list))
}
if len(list) > 0 {
change_list = append(change_list, list...)
}
}
log.Printf("Total %d changes\n", len(change_list))
if len(change_list) == 0 {
return
}
ch := make(chan *change.LongChange, len(change_list))
existing_id := make(map[string]bool)
cnt_updated := 0
for _, change := range change_list {
existing_id[ change.Id ] = true
last_upd, ok := last_updated[ change.Id ]
if ! ok {
log.Printf("New change %s - %s\n", change.Id, change.Subject)
} else if last_upd == change.Updated {
if verbose {
log.Printf("Change %s not updated\n", change.Id)
}
continue
} else {
log.Printf("Change %s updated at %s\n", change.Id, change.Updated)
}
// read details only for new or updated changes
last_updated[ change.Id] = change.Updated
cnt_updated++
go get_change(change.Id, ch)
}
cnt_deleted := cleanup_deleted(existing_id)
log.Printf("Updated: %d, Deleted: %d\n", cnt_updated, cnt_deleted)
if cnt_updated == 0 {
return
}
var processed = 0
var ch_list = []*change.LongChange{}
Loop:
for {
select {
case change := <-ch:
processed++
ch_list = append(ch_list, change)
if processed == cnt_updated {
break Loop
}
}
}
process_change_list(ch_list, verbose)
return
}
func cleanup_deleted(existing map[string]bool) int {
cnt := 0
for id := range last_updated {
_, ok := existing[id]
if ! ok {
log.Printf("Change %s was deleted\n", id)
delete(last_updated, id)
cnt++
}
}
return cnt
}
func parse_args() (bool, string) {
var verbose = flag.Bool("v", false, "Verbose output")
var conf_file = flag.String("f", ConfigFile, "Path to config file")
flag.Parse()
return *verbose, *conf_file
}
func main() {
verbose, conf_file := parse_args()
cfg, err := ReadConfig(conf_file)
if err != nil {
log.Fatalf("Error reading config %s - %s\n", conf_file, err)
}
profile := cfg.Robot.Profile
ticker, err := time.ParseDuration(cfg.Robot.Interval)
if err != nil {
log.Fatalf("Failed to parse [Robot]Interval: %s", err)
}
gerrit = g.New(cfg.Gerrit.User, cfg.Gerrit.Password, cfg.Gerrit.Host, cfg.Gerrit.CI)
last_updated = make(map[string]string)
if profile != "" {
// start profile server
go func() {
log.Println(http.ListenAndServe(profile, nil))
}()
log.Printf("Started profiling server on %s", profile)
}
project_list := cfg.Robot.Project
//query := "?q=is:reviewer+status:open+-owner:self+p:{PROJECT}"
query := "?q=is:reviewer+status:open+-owner:self"
dashboard(query, project_list, verbose)
ticker_chan := time.NewTicker(ticker).C
for {
select {
case _ = <-ticker_chan:
log.Println("Tick")
dashboard(query, project_list, verbose)
}
}
}