Deuxfleurs/albatros
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fmt + logging
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Quentin 2023-03-15 19:59:20 +01:00
parent 6cddfb9a1f
commit d5b2292474
Signed by: quentin
GPG key ID: E9602264D639FF68
1 changed files with 156 additions and 153 deletions
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63
main.go
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@ -1,16 +1,17 @@
package main package main
import ( import (
"code.gitea.io/sdk/gitea"
b64 "encoding/base64" b64 "encoding/base64"
"encoding/json" "encoding/json"
"fmt" "fmt"
nomad "github.com/hashicorp/nomad/api" "github.com/caarlos0/env/v7"
consul "github.com/hashicorp/consul/api" consul "github.com/hashicorp/consul/api"
nomad "github.com/hashicorp/nomad/api"
"io" "io"
"log" "log"
"net/http" "net/http"
"strings" "strings"
"github.com/caarlos0/env/v7"
"code.gitea.io/sdk/gitea"
) )
type GitUser struct { type GitUser struct {
@ -107,12 +108,18 @@ func nomadToGiteaStatus(summary *nomad.TaskGroupSummary) gitea.StatusState {
return gitea.StatusPending return gitea.StatusPending
} }
func notifSummary(notification *GiteaNotification) string {
return fmt.Sprintf("%s/%s:%s", notification.Repository.Owner.Username, notification.Repository.Name, notification.After)
}
func lifecycle(notification *GiteaNotification, dispatch *nomad.JobDispatchResponse, giteaCreds *SecretGitea) { func lifecycle(notification *GiteaNotification, dispatch *nomad.JobDispatchResponse, giteaCreds *SecretGitea) {
log.Printf("[lifecyle] Gitea URL: %s\n", giteaCreds.Url) notifInfo := notifSummary(notification)
log.Printf("[lifecyle] Commit to build: %s, Gitea URL: %s\n", notifInfo, giteaCreds.Url)
// init Gitea // init Gitea
forge, err := gitea.NewClient(giteaCreds.Url, gitea.SetToken(giteaCreds.Token)) forge, err := gitea.NewClient(giteaCreds.Url, gitea.SetToken(giteaCreds.Token))
if err != nil { if err != nil {
log.Printf("Unable to create gitea client: %+v\n", err) log.Printf("Unable to create gitea client for %s: %+v\n", notifInfo, err)
return return
} }
@ -127,17 +134,17 @@ func lifecycle(notification *GiteaNotification, dispatch *nomad.JobDispatchRespo
// Blocking fetch on deployment info // Blocking fetch on deployment info
job, meta, err := jobs.Summary(dispatch.DispatchedJobID, &queryOpt) job, meta, err := jobs.Summary(dispatch.DispatchedJobID, &queryOpt)
if err != nil { if err != nil {
log.Printf("[lifecycle] can't fetch job: %+v\n", err) log.Printf("[lifecycle] can't fetch job for %s: %+v\n", notifInfo, err)
break break
} }
queryOpt.WaitIndex = meta.LastIndex queryOpt.WaitIndex = meta.LastIndex
summary, ok := job.Summary["runner"]; summary, ok := job.Summary["runner"]
if !ok { if !ok {
log.Printf("[lifecycle] your job %s must contain a 'runner' task\n", job.JobID) log.Printf("[lifecycle] Job %s for %s must contain a 'runner' task\n", job.JobID, notifInfo)
break break
} }
log.Printf("[lifecycle] Summary for job %s: %+v\n", job.JobID, summary) log.Printf("[lifecycle] Task status for job %s on %s: %+v\n", job.JobID, notifInfo, summary)
// Compute new job state // Compute new job state
state := nomadToGiteaStatus(&summary) state := nomadToGiteaStatus(&summary)
@ -147,7 +154,7 @@ func lifecycle(notification *GiteaNotification, dispatch *nomad.JobDispatchRespo
notification.Repository.Owner.Username, notification.Repository.Owner.Username,
notification.Repository.Name, notification.Repository.Name,
notification.After, notification.After,
gitea.CreateStatusOption { gitea.CreateStatusOption{
State: state, State: state,
TargetURL: GlobalConfig.AlbatrosURL + "/build?log=stderr&job=" + dispatch.DispatchedJobID, TargetURL: GlobalConfig.AlbatrosURL + "/build?log=stderr&job=" + dispatch.DispatchedJobID,
Description: "build", Description: "build",
@ -155,17 +162,12 @@ func lifecycle(notification *GiteaNotification, dispatch *nomad.JobDispatchRespo
}) })
if err != nil { if err != nil {
log.Printf( log.Printf("[lifecycle] can't update gitea repo %s for job %s: %+v\n", notifInfo, job.JobID, err)
"[lifecycle] can't update gitea repo %s/%s:%s: %+v\n",
notification.Repository.Owner.Username,
notification.Repository.Name,
notification.After,
err)
} }
// Continue the loop only if the job is pending // Continue the loop only if the job is pending
if state != gitea.StatusPending { if state != gitea.StatusPending {
log.Printf("Job %s teminated with status %s\n", job.JobID, state) log.Printf("Job %s for %s terminated with status %s\n", job.JobID, notifInfo, state)
break break
} }
} }
@ -174,7 +176,7 @@ func lifecycle(notification *GiteaNotification, dispatch *nomad.JobDispatchRespo
// To avoid dangerous infinite loops, we put an upperbound here // To avoid dangerous infinite loops, we put an upperbound here
// of 1k refresh here. Reaching this limit will allow us to know // of 1k refresh here. Reaching this limit will allow us to know
// that something did not work as expected... // that something did not work as expected...
log.Println("!!! [lifecycle] we refreshed 1k times this deployment and it's still running, giving up...") log.Printf("!!! [lifecycle] we refreshed 1k times the job of %s and it's still running, giving up...\n", notifInfo)
} }
} }
@ -198,21 +200,22 @@ func hook(w http.ResponseWriter, r *http.Request) {
http.Error(w, "Can't parse your request JSON", http.StatusBadRequest) http.Error(w, "Can't parse your request JSON", http.StatusBadRequest)
return return
} }
notifInfo := notifSummary(&notification)
log.Printf("Gitea notification: %+v\n", notification) log.Printf("Received gitea notification for %s\n", notifInfo)
// Fetch our repo descriptor // Fetch our repo descriptor
kv := ConsulClient.KV() kv := ConsulClient.KV()
encodedRepoUrl := b64.StdEncoding.EncodeToString([]byte(notification.Repository.CloneUrl)) encodedRepoUrl := b64.StdEncoding.EncodeToString([]byte(notification.Repository.CloneUrl))
key := "albatros/"+encodedRepoUrl key := "albatros/" + encodedRepoUrl
log.Printf("Fetching key %s\n", key) log.Printf("Fetching key %s for %s\n", key, notifInfo)
pair, _, err := kv.Get(key, nil) pair, _, err := kv.Get(key, nil)
if err != nil { if err != nil {
http.Error(w, "Can't fetch the repo descriptor in Consul", http.StatusInternalServerError) http.Error(w, "Can't fetch the repo descriptor in Consul", http.StatusInternalServerError)
return return
} }
if pair == nil || pair.Value == nil { if pair == nil || pair.Value == nil {
http.Error(w, "You must declare your repo in Consul in order to build it", http.StatusForbidden) http.Error(w, "You must declare %s in Consul in order to build it", http.StatusForbidden)
return return
} }
// Parse our repo descriptor // Parse our repo descriptor
@ -241,12 +244,11 @@ func hook(w http.ResponseWriter, r *http.Request) {
// 2. Transform the consul object into a nomad payload // 2. Transform the consul object into a nomad payload
jobs := NomadClient.Jobs() jobs := NomadClient.Jobs()
dres, dmeta, err := jobs.Dispatch("builder", meta, []byte{}, "albatros", &nomad.WriteOptions{}) dres, _, err := jobs.Dispatch("builder", meta, []byte{}, "albatros", &nomad.WriteOptions{})
if err != nil { if err != nil {
http.Error(w, "Can't submit your job to Nomad", http.StatusInternalServerError) http.Error(w, "Can't submit your job to Nomad", http.StatusInternalServerError)
} }
log.Printf("Query info: %+v\n", dmeta) log.Printf("Created job %s for %s\n", dres.DispatchedJobID, notifInfo)
log.Printf("Job info: %+v\n", dres)
// Start a lifecycle observer to update gitea status // Start a lifecycle observer to update gitea status
// @FIXME: need to inject gitea descriptor // @FIXME: need to inject gitea descriptor
@ -264,7 +266,7 @@ func build(w http.ResponseWriter, r *http.Request) {
} }
logType, ok := q["log"] logType, ok := q["log"]
log.Printf("%+v\n", q) log.Printf("Follow logs for %s\n", jobID)
if !ok || len(logType) < 1 || !(logType[0] == "stdout" || logType[0] == "stderr") { if !ok || len(logType) < 1 || !(logType[0] == "stdout" || logType[0] == "stderr") {
http.Error(w, "Missing or wrong query parameter 'log'.\nTry adding '?log=stdout' or '?log=stderr'", http.StatusBadRequest) http.Error(w, "Missing or wrong query parameter 'log'.\nTry adding '?log=stdout' or '?log=stderr'", http.StatusBadRequest)
return return
@ -290,17 +292,17 @@ func build(w http.ResponseWriter, r *http.Request) {
http.Error(w, "Allocation does not exist anymore. Allocation might be garbage collected", http.StatusNotFound) http.Error(w, "Allocation does not exist anymore. Allocation might be garbage collected", http.StatusNotFound)
return return
} }
log.Printf("Alloc: %+v\n", myAlloc) log.Printf("Selected alloc %s for job %s\n", myAlloc.ID, jobID)
allocFS := NomadClient.AllocFS() allocFS := NomadClient.AllocFS()
scancel := make(chan struct{}) scancel := make(chan struct{})
sframe, serr := allocFS.Logs(myAlloc, true, "runner", logFilter, "start", 0, scancel, &nomad.QueryOptions{}) sframe, serr := allocFS.Logs(myAlloc, true, "runner", logFilter, "start", 0, scancel, &nomad.QueryOptions{})
// stream logs to client's browser // stream logs to client's browser
build_loop: build_loop:
for { for {
select { select {
case <- r.Context().Done(): case <-r.Context().Done():
// client disconnect, cleaning // client disconnect, cleaning
break build_loop break build_loop
case nomadErr := <-serr: case nomadErr := <-serr:
@ -324,7 +326,7 @@ func build(w http.ResponseWriter, r *http.Request) {
} }
} }
log.Printf("Cleaning %+v\n", myAlloc) log.Printf("Connection closed, cleaning listeners for %s\n", jobID)
scancel <- struct{}{} scancel <- struct{}{}
} }
@ -336,6 +338,7 @@ type config struct {
// @TODO get nomad config from env // @TODO get nomad config from env
// @TODO get consul config from env // @TODO get consul config from env
} }
var GlobalConfig config var GlobalConfig config
func main() { func main() {