mirror of
https://github.com/ClusterCockpit/cc-backend
synced 2024-12-25 21:09:05 +01:00
Cleanup and restructure
This commit is contained in:
Jan Eitzinger
parent
4cccbb20d8
commit
ad705f1424
77
routes.go
77
routes.go
@ -2,10 +2,13 @@ package main
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import (
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"net/http"
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"net/url"
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"strconv"
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"strings"
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"github.com/ClusterCockpit/cc-backend/auth"
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"github.com/ClusterCockpit/cc-backend/config"
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"github.com/ClusterCockpit/cc-backend/schema"
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"github.com/ClusterCockpit/cc-backend/templates"
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"github.com/gorilla/mux"
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)
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@ -20,10 +23,59 @@ type Route struct {
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Setup func(i InfoType, r *http.Request) InfoType
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}
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func buildFilterPresets(query url.Values) map[string]interface{} {
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filterPresets := map[string]interface{}{}
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if query.Get("cluster") != "" {
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filterPresets["cluster"] = query.Get("cluster")
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}
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if query.Get("partition") != "" {
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filterPresets["partition"] = query.Get("partition")
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}
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if query.Get("project") != "" {
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filterPresets["project"] = query.Get("project")
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filterPresets["projectMatch"] = "eq"
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}
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if query.Get("state") != "" && schema.JobState(query.Get("state")).Valid() {
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filterPresets["state"] = query.Get("state")
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}
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if rawtags, ok := query["tag"]; ok {
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tags := make([]int, len(rawtags))
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for i, tid := range rawtags {
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var err error
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tags[i], err = strconv.Atoi(tid)
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if err != nil {
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tags[i] = -1
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}
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}
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filterPresets["tags"] = tags
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}
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if query.Get("numNodes") != "" {
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parts := strings.Split(query.Get("numNodes"), "-")
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if len(parts) == 2 {
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a, e1 := strconv.Atoi(parts[0])
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b, e2 := strconv.Atoi(parts[1])
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if e1 == nil && e2 == nil {
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filterPresets["numNodes"] = map[string]int{"from": a, "to": b}
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}
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}
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}
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if query.Get("jobId") != "" {
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filterPresets["jobId"] = query.Get("jobId")
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}
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if query.Get("arrayJobId") != "" {
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if num, err := strconv.Atoi(query.Get("arrayJobId")); err == nil {
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filterPresets["arrayJobId"] = num
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}
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}
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return filterPresets
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}
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func setupRoutes(router *mux.Router, routes []Route) {
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for _, route := range routes {
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_route := route
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router.HandleFunc(_route.Route, func(rw http.ResponseWriter, r *http.Request) {
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route := route
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router.HandleFunc(route.Route, func(rw http.ResponseWriter, r *http.Request) {
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conf, err := config.GetUIConfig(r)
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if err != nil {
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http.Error(rw, err.Error(), http.StatusInternalServerError)
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@ -42,17 +94,22 @@ func setupRoutes(router *mux.Router, routes []Route) {
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infos["admin"] = false
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}
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infos = _route.Setup(infos, r)
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infos = route.Setup(infos, r)
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if id, ok := infos["id"]; ok {
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_route.Title = strings.Replace(_route.Title, "<ID>", id.(string), 1)
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route.Title = strings.Replace(route.Title, "<ID>", id.(string), 1)
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}
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templates.Render(rw, r, _route.Template, &templates.Page{
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Title: _route.Title,
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Config: conf,
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Infos: infos,
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FilterPresets: buildFilterPresets(r.URL.Query()),
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})
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page := templates.Page{
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Title: route.Title,
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Config: conf,
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Infos: infos,
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}
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if route.Filter {
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page.FilterPresets = buildFilterPresets(r.URL.Query())
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}
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templates.Render(rw, r, route.Template, &page)
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})
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}
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}
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124
runtimeSetup.go
Normal file
124
runtimeSetup.go
Normal file
@ -0,0 +1,124 @@
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package main
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import (
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"bufio"
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"errors"
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"fmt"
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"os"
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"os/exec"
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"os/user"
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"strconv"
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"strings"
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"syscall"
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)
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func loadEnv(file string) error {
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f, err := os.Open(file)
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if err != nil {
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return err
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}
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defer f.Close()
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s := bufio.NewScanner(bufio.NewReader(f))
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for s.Scan() {
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line := s.Text()
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if strings.HasPrefix(line, "#") || len(line) == 0 {
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continue
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}
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if strings.Contains(line, "#") {
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return errors.New("'#' are only supported at the start of a line")
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}
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line = strings.TrimPrefix(line, "export ")
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parts := strings.SplitN(line, "=", 2)
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if len(parts) != 2 {
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return fmt.Errorf("unsupported line: %#v", line)
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}
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key := strings.TrimSpace(parts[0])
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val := strings.TrimSpace(parts[1])
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if strings.HasPrefix(val, "\"") {
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if !strings.HasSuffix(val, "\"") {
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return fmt.Errorf("unsupported line: %#v", line)
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}
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runes := []rune(val[1 : len(val)-1])
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sb := strings.Builder{}
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for i := 0; i < len(runes); i++ {
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if runes[i] == '\\' {
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i++
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switch runes[i] {
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case 'n':
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sb.WriteRune('\n')
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case 'r':
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sb.WriteRune('\r')
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case 't':
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sb.WriteRune('\t')
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case '"':
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sb.WriteRune('"')
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default:
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return fmt.Errorf("unsupprorted escape sequence in quoted string: backslash %#v", runes[i])
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}
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continue
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}
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sb.WriteRune(runes[i])
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}
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val = sb.String()
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}
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os.Setenv(key, val)
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}
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return s.Err()
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}
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func dropPrivileges() error {
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if programConfig.Group != "" {
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g, err := user.LookupGroup(programConfig.Group)
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if err != nil {
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return err
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}
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gid, _ := strconv.Atoi(g.Gid)
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if err := syscall.Setgid(gid); err != nil {
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return err
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}
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}
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if programConfig.User != "" {
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u, err := user.Lookup(programConfig.User)
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if err != nil {
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return err
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}
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uid, _ := strconv.Atoi(u.Uid)
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if err := syscall.Setuid(uid); err != nil {
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return err
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}
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}
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return nil
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}
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// If started via systemd, inform systemd that we are running:
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// https://www.freedesktop.org/software/systemd/man/sd_notify.html
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func systemdNotifiy(ready bool, status string) {
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if os.Getenv("NOTIFY_SOCKET") == "" {
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// Not started using systemd
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return
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}
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args := []string{fmt.Sprintf("--pid=%d", os.Getpid())}
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if ready {
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args = append(args, "--ready")
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}
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if status != "" {
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args = append(args, fmt.Sprintf("--status=%s", status))
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}
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cmd := exec.Command("systemd-notify", args...)
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cmd.Run() // errors ignored on purpose, there is not much to do anyways.
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}
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313
server.go
313
server.go
@ -1,7 +1,6 @@
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package main
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import (
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"bufio"
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"context"
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"crypto/tls"
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"encoding/json"
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@ -11,12 +10,8 @@ import (
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"io"
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"net"
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"net/http"
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"net/url"
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"os"
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"os/exec"
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"os/signal"
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"os/user"
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"strconv"
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"strings"
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"sync"
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"syscall"
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@ -31,7 +26,6 @@ import (
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"github.com/ClusterCockpit/cc-backend/graph/generated"
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"github.com/ClusterCockpit/cc-backend/log"
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"github.com/ClusterCockpit/cc-backend/metricdata"
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"github.com/ClusterCockpit/cc-backend/schema"
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"github.com/ClusterCockpit/cc-backend/templates"
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"github.com/gorilla/handlers"
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"github.com/gorilla/mux"
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@ -455,310 +449,3 @@ func main() {
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wg.Wait()
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log.Print("Gracefull shutdown completed!")
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}
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func buildFilterPresets(query url.Values) map[string]interface{} {
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filterPresets := map[string]interface{}{}
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if query.Get("cluster") != "" {
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filterPresets["cluster"] = query.Get("cluster")
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}
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if query.Get("partition") != "" {
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filterPresets["partition"] = query.Get("partition")
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}
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if query.Get("project") != "" {
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filterPresets["project"] = query.Get("project")
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filterPresets["projectMatch"] = "eq"
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}
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if query.Get("state") != "" && schema.JobState(query.Get("state")).Valid() {
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filterPresets["state"] = query.Get("state")
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}
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if rawtags, ok := query["tag"]; ok {
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tags := make([]int, len(rawtags))
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for i, tid := range rawtags {
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var err error
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tags[i], err = strconv.Atoi(tid)
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if err != nil {
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tags[i] = -1
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}
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}
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filterPresets["tags"] = tags
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}
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if query.Get("numNodes") != "" {
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parts := strings.Split(query.Get("numNodes"), "-")
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if len(parts) == 2 {
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a, e1 := strconv.Atoi(parts[0])
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b, e2 := strconv.Atoi(parts[1])
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if e1 == nil && e2 == nil {
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filterPresets["numNodes"] = map[string]int{"from": a, "to": b}
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}
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}
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}
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if query.Get("jobId") != "" {
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filterPresets["jobId"] = query.Get("jobId")
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}
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if query.Get("arrayJobId") != "" {
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if num, err := strconv.Atoi(query.Get("arrayJobId")); err == nil {
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filterPresets["arrayJobId"] = num
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}
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}
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return filterPresets
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}
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// func monitoringRoutes(router *mux.Router, resolver *graph.Resolver) {
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// router.HandleFunc("/monitoring/jobs/", func(rw http.ResponseWriter, r *http.Request) {
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// conf, infos, err := prepareRoute(r)
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// if err != nil {
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// http.Error(rw, err.Error(), http.StatusInternalServerError)
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// return
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// }
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// templates.Render(rw, r, "monitoring/jobs.tmpl", &templates.Page{
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// Title: "Jobs - ClusterCockpit",
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// Config: conf,
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// Infos: infos,
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// FilterPresets: buildFilterPresets(r.URL.Query()),
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// })
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// })
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// router.HandleFunc("/monitoring/job/{id:[0-9]+}", func(rw http.ResponseWriter, r *http.Request) {
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// conf, infos, err := prepareRoute(r)
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// if err != nil {
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// http.Error(rw, err.Error(), http.StatusInternalServerError)
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// return
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// }
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// id := mux.Vars(r)["id"]
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// job, err := resolver.Query().Job(r.Context(), id)
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// if err != nil {
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// http.Error(rw, err.Error(), http.StatusNotFound)
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// return
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// }
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// infos["id"] = id
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// infos["jobId"] = job.JobID
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// infos["clusterId"] = job.Cluster
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// templates.Render(rw, r, "monitoring/job.tmpl", &templates.Page{
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// Title: fmt.Sprintf("Job %d - ClusterCockpit", job.JobID),
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// Config: conf,
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// Infos: infos,
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// })
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// })
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// router.HandleFunc("/monitoring/users/", func(rw http.ResponseWriter, r *http.Request) {
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// conf, infos, err := prepareRoute(r)
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// if err != nil {
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// http.Error(rw, err.Error(), http.StatusInternalServerError)
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// return
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// }
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// infos["listType"] = "USER"
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// templates.Render(rw, r, "monitoring/list.tmpl", &templates.Page{
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// Title: "Users - ClusterCockpit",
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// Config: conf,
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// FilterPresets: buildFilterPresets(r.URL.Query()),
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// Infos: infos,
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// })
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// })
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// router.HandleFunc("/monitoring/projects/", func(rw http.ResponseWriter, r *http.Request) {
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// conf, infos, err := prepareRoute(r)
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// if err != nil {
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// http.Error(rw, err.Error(), http.StatusInternalServerError)
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// return
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// }
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// infos["listType"] = "PROJECT"
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// templates.Render(rw, r, "monitoring/list.tmpl", &templates.Page{
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// Title: "Projects - ClusterCockpit",
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// Config: conf,
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// FilterPresets: buildFilterPresets(r.URL.Query()),
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// Infos: infos,
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// })
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// })
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// router.HandleFunc("/monitoring/user/{id}", func(rw http.ResponseWriter, r *http.Request) {
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// conf, infos, err := prepareRoute(r)
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// if err != nil {
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// http.Error(rw, err.Error(), http.StatusInternalServerError)
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// return
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// }
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// id := mux.Vars(r)["id"]
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// // TODO: One could check if the user exists, but that would be unhelpfull if authentication
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// // is disabled or the user does not exist but has started jobs.
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// infos["username"] = id
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// templates.Render(rw, r, "monitoring/user.tmpl", &templates.Page{
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// Title: fmt.Sprintf("User %s - ClusterCockpit", id),
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// Config: conf,
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// Infos: infos,
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// FilterPresets: buildFilterPresets(r.URL.Query()),
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// })
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// })
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// router.HandleFunc("/monitoring/systems/", func(rw http.ResponseWriter, r *http.Request) {
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// // TODO: List all clusters?
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// http.Redirect(rw, r, "/", http.StatusTemporaryRedirect)
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// })
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|
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// router.HandleFunc("/monitoring/systems/{cluster}", func(rw http.ResponseWriter, r *http.Request) {
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// conf, infos, err := prepareRoute(r)
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// if err != nil {
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// http.Error(rw, err.Error(), http.StatusInternalServerError)
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// return
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// }
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|
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// vars := mux.Vars(r)
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// infos["cluster"] = vars["cluster"]
|
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// from, to := r.URL.Query().Get("from"), r.URL.Query().Get("to")
|
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// if from != "" || to != "" {
|
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// infos["from"] = from
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// infos["to"] = to
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// }
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// templates.Render(rw, r, "monitoring/systems.tmpl", &templates.Page{
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// Title: fmt.Sprintf("Cluster %s - ClusterCockpit", vars["cluster"]),
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// Config: conf,
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// Infos: infos,
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// })
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// })
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|
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// router.HandleFunc("/monitoring/node/{cluster}/{hostname}", func(rw http.ResponseWriter, r *http.Request) {
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// conf, infos, err := prepareRoute(r)
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// if err != nil {
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// http.Error(rw, err.Error(), http.StatusInternalServerError)
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// return
|
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// }
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|
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// vars := mux.Vars(r)
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// infos["cluster"] = vars["cluster"]
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// infos["hostname"] = vars["hostname"]
|
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// from, to := r.URL.Query().Get("from"), r.URL.Query().Get("to")
|
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// if from != "" || to != "" {
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// infos["from"] = from
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// infos["to"] = to
|
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// }
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|
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// templates.Render(rw, r, "monitoring/node.tmpl", &templates.Page{
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// Title: fmt.Sprintf("Host %s - ClusterCockpit", vars["hostname"]),
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// Config: conf,
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// Infos: infos,
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// })
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// })
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// }
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|
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func loadEnv(file string) error {
|
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f, err := os.Open(file)
|
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if err != nil {
|
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return err
|
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}
|
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|
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defer f.Close()
|
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s := bufio.NewScanner(bufio.NewReader(f))
|
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for s.Scan() {
|
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line := s.Text()
|
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if strings.HasPrefix(line, "#") || len(line) == 0 {
|
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continue
|
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}
|
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|
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if strings.Contains(line, "#") {
|
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return errors.New("'#' are only supported at the start of a line")
|
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}
|
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|
||||
line = strings.TrimPrefix(line, "export ")
|
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parts := strings.SplitN(line, "=", 2)
|
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if len(parts) != 2 {
|
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return fmt.Errorf("unsupported line: %#v", line)
|
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}
|
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|
||||
key := strings.TrimSpace(parts[0])
|
||||
val := strings.TrimSpace(parts[1])
|
||||
if strings.HasPrefix(val, "\"") {
|
||||
if !strings.HasSuffix(val, "\"") {
|
||||
return fmt.Errorf("unsupported line: %#v", line)
|
||||
}
|
||||
|
||||
runes := []rune(val[1 : len(val)-1])
|
||||
sb := strings.Builder{}
|
||||
for i := 0; i < len(runes); i++ {
|
||||
if runes[i] == '\\' {
|
||||
i++
|
||||
switch runes[i] {
|
||||
case 'n':
|
||||
sb.WriteRune('\n')
|
||||
case 'r':
|
||||
sb.WriteRune('\r')
|
||||
case 't':
|
||||
sb.WriteRune('\t')
|
||||
case '"':
|
||||
sb.WriteRune('"')
|
||||
default:
|
||||
return fmt.Errorf("unsupprorted escape sequence in quoted string: backslash %#v", runes[i])
|
||||
}
|
||||
continue
|
||||
}
|
||||
sb.WriteRune(runes[i])
|
||||
}
|
||||
|
||||
val = sb.String()
|
||||
}
|
||||
|
||||
os.Setenv(key, val)
|
||||
}
|
||||
|
||||
return s.Err()
|
||||
}
|
||||
|
||||
func dropPrivileges() error {
|
||||
if programConfig.Group != "" {
|
||||
g, err := user.LookupGroup(programConfig.Group)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
gid, _ := strconv.Atoi(g.Gid)
|
||||
if err := syscall.Setgid(gid); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
|
||||
if programConfig.User != "" {
|
||||
u, err := user.Lookup(programConfig.User)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
uid, _ := strconv.Atoi(u.Uid)
|
||||
if err := syscall.Setuid(uid); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
// If started via systemd, inform systemd that we are running:
|
||||
// https://www.freedesktop.org/software/systemd/man/sd_notify.html
|
||||
func systemdNotifiy(ready bool, status string) {
|
||||
if os.Getenv("NOTIFY_SOCKET") == "" {
|
||||
// Not started using systemd
|
||||
return
|
||||
}
|
||||
|
||||
args := []string{fmt.Sprintf("--pid=%d", os.Getpid())}
|
||||
if ready {
|
||||
args = append(args, "--ready")
|
||||
}
|
||||
|
||||
if status != "" {
|
||||
args = append(args, fmt.Sprintf("--status=%s", status))
|
||||
}
|
||||
|
||||
cmd := exec.Command("systemd-notify", args...)
|
||||
cmd.Run() // errors ignored on purpose, there is not much to do anyways.
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user