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package main
import (
"fmt"
"golang.org/x/crypto/openpgp"
"gopkg.in/yaml.v2"
"io/ioutil"
"log"
"os"
"regexp"
"strings"
)
// Matches returns true if the configured repo:branch of the worker
// matches the repo and branch provided as arguments
func (w *SCORSHworker) Matches(repo, branch string) bool {
for _, r := range w.Repos {
parts := strings.SplitN(r, ":", 2)
repoPattern := parts[0]
branchPattern := parts[1]
repoMatch, _ := regexp.MatchString(repoPattern, repo)
branchMatch, _ := regexp.MatchString(branchPattern, branch)
debug.log("[worker.Matches] repo_match: %s\n", repoMatch)
debug.log("[worker.Matches] branch_match: %s\n", branchMatch)
if repoMatch && branchMatch {
return true
}
}
return false
}
// LoadKeyrings loads the configured keyrings for all the commands
// managed by the worker
func (w *SCORSHworker) LoadKeyrings() error {
w.Keys = make(map[string]openpgp.KeyRing)
w.TagKeys = make(map[string]map[string]bool)
for _, t := range w.Tags {
w.TagKeys[t.Name] = make(map[string]bool)
// Open the keyring files
for _, keyring := range t.Keyrings {
if _, ok := w.Keys[keyring]; ok {
// keyring has been loaded: just add it to the TagKeys map
w.TagKeys[t.Name][keyring] = true
continue
}
kfile := fmt.Sprintf("%s/%s", w.Folder, keyring)
debug.log("[worker: %s] Trying to open keyring at %s\n", w.Name, kfile)
f, errFile := os.Open(kfile)
if errFile != nil {
log.Printf("[worker] cannot open keyring: %s", errFile)
_ = f.Close()
}
// load the keyring
kr, errKey := openpgp.ReadArmoredKeyRing(f)
if errKey != nil {
log.Printf("[worker] cannot load keyring: %s", errKey)
_ = f.Close()
//return fmt.Errorf("Unable to load keyring: ", err_key)
}
w.Keys[keyring] = kr
w.TagKeys[t.Name][keyring] = true
_ = f.Close()
}
}
return nil
}
// LoadTags loads all the configured commands for the worker
func (w *SCORSHworker) LoadTags() error {
wTags, err := ioutil.ReadFile(w.Tagfile)
if err != nil {
return fmt.Errorf("Cannot read worker config: %s", err)
}
err = yaml.Unmarshal(wTags, w)
//err = yaml.Unmarshal(w_tags, tags)
if err != nil {
return fmt.Errorf("Error while reading tags: %s", err)
}
return nil
}
//
func runWorker(w *SCORSHworker) {
var msg SCORSHmsg
log.Printf("[worker: %s] Started\n", w.Name)
// notify that we have been started!
w.StatusChan <- msg
// This is the main worker loop
for {
select {
case msg = <-w.MsgChan:
debug.log("[worker: %s] received message %s\n", w.Name, msg.ID)
// process message
err := walkCommits(msg, w)
if err != nil {
log.Printf("[worker: %s] error in walk_commits: %s", err)
}
w.StatusChan <- msg
debug.log("[worker: %s] Sent message back: %s", w.Name, msg)
}
}
}
// StartWorkers starts all the workers specified in a given
// configuration and fills in the SCORSHmaster struct
func startWorkers(master *SCORSHmaster) error {
numWorkers := len(master.Workers)
// We should now start each worker
log.Printf("num_workers: %d\n", numWorkers)
for w := 0; w < numWorkers; w++ {
worker := &(master.Workers[w])
// Set the Status and Msg channels
worker.StatusChan = master.StatusChan
worker.MsgChan = make(chan SCORSHmsg, 10)
// Load worker tags from worker.Tagfile
err := worker.LoadTags()
if err != nil {
close(worker.MsgChan)
return fmt.Errorf("[Starting worker: %s] Unable to load tags: %s", worker.Name, err)
}
// Load worker keyrings -- this must be called *after* LoadTags!!!!
err = worker.LoadKeyrings()
if err != nil {
close(worker.MsgChan)
return fmt.Errorf("[Starting worker: %s] Unable to load keyrings: %s", worker.Name, err)
}
// Add the repos definitions to the map master.Repos
for _, repoName := range worker.Repos {
master.Repos[repoName] = append(master.Repos[repoName], worker)
}
go runWorker(worker)
<-master.StatusChan
}
return nil
}
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