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cronsun/web/job.go

335 lines
8.0 KiB

package web
import (
"encoding/json"
"net/http"
"sort"
"strings"
"github.com/coreos/etcd/clientv3"
"github.com/gorilla/mux"
"sunteng/commons/log"
"github.com/shunfei/cronsun/conf"
"github.com/shunfei/cronsun"
"time"
)
type Job struct{}
func (j *Job) GetJob(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
job, err := cronsun.GetJob(vars["group"], vars["id"])
var statusCode int
if err != nil {
if err == cronsun.ErrNotFound {
statusCode = http.StatusNotFound
} else {
statusCode = http.StatusInternalServerError
}
outJSONWithCode(w, statusCode, err.Error())
return
}
outJSON(w, job)
}
func (j *Job) DeleteJob(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
_, err := cronsun.DeleteJob(vars["group"], vars["id"])
if err != nil {
outJSONWithCode(w, http.StatusInternalServerError, err.Error())
return
}
outJSONWithCode(w, http.StatusNoContent, nil)
}
func (j *Job) ChangeJobStatus(w http.ResponseWriter, r *http.Request) {
job := &cronsun.Job{}
decoder := json.NewDecoder(r.Body)
err := decoder.Decode(&job)
if err != nil {
outJSONWithCode(w, http.StatusBadRequest, err.Error())
return
}
r.Body.Close()
vars := mux.Vars(r)
originJob, rev, err := cronsun.GetJobAndRev(vars["group"], vars["id"])
if err != nil {
outJSONWithCode(w, http.StatusInternalServerError, err.Error())
return
}
originJob.Pause = job.Pause
b, err := json.Marshal(originJob)
if err != nil {
outJSONWithCode(w, http.StatusInternalServerError, err.Error())
return
}
_, err = cronsun.DefalutClient.PutWithModRev(originJob.Key(), string(b), rev)
if err != nil {
outJSONWithCode(w, http.StatusInternalServerError, err.Error())
return
}
outJSON(w, originJob)
}
func (j *Job) UpdateJob(w http.ResponseWriter, r *http.Request) {
var job = &struct {
*cronsun.Job
OldGroup string `json:"oldGroup"`
}{}
decoder := json.NewDecoder(r.Body)
err := decoder.Decode(&job)
if err != nil {
outJSONWithCode(w, http.StatusBadRequest, err.Error())
return
}
r.Body.Close()
if err = job.Check(); err != nil {
outJSONWithCode(w, http.StatusBadRequest, err.Error())
return
}
var deleteOldKey string
var successCode = http.StatusOK
if len(job.ID) == 0 {
successCode = http.StatusCreated
job.ID = cronsun.NextID()
} else {
job.OldGroup = strings.TrimSpace(job.OldGroup)
if job.OldGroup != job.Group {
deleteOldKey = cronsun.JobKey(job.OldGroup, job.ID)
}
}
b, err := json.Marshal(job)
if err != nil {
outJSONWithCode(w, http.StatusInternalServerError, err.Error())
return
}
_, err = cronsun.DefalutClient.Put(job.Key(), string(b))
if err != nil {
outJSONWithCode(w, http.StatusInternalServerError, err.Error())
return
}
// remove old key
if len(deleteOldKey) > 0 {
if _, err = cronsun.DefalutClient.Delete(deleteOldKey); err != nil {
log.Errorf("failed to remove old job key[%s], err: %s.", deleteOldKey, err.Error())
}
}
outJSONWithCode(w, successCode, nil)
}
func (j *Job) GetGroups(w http.ResponseWriter, r *http.Request) {
resp, err := cronsun.DefalutClient.Get(conf.Config.Cmd, clientv3.WithPrefix(), clientv3.WithKeysOnly())
if err != nil {
outJSONWithCode(w, http.StatusInternalServerError, err.Error())
return
}
var cmdKeyLen = len(conf.Config.Cmd)
var groupMap = make(map[string]bool, 8)
for i := range resp.Kvs {
ss := strings.Split(string(resp.Kvs[i].Key)[cmdKeyLen:], "/")
groupMap[ss[0]] = true
}
var groupList = make([]string, 0, len(groupMap))
for k := range groupMap {
groupList = append(groupList, k)
}
sort.Strings(groupList)
outJSON(w, groupList)
}
func (j *Job) GetList(w http.ResponseWriter, r *http.Request) {
group := getStringVal("group", r)
node := getStringVal("node", r)
var prefix = conf.Config.Cmd
if len(group) != 0 {
prefix += group
}
type jobStatus struct {
*cronsun.Job
LatestStatus *cronsun.JobLatestLog `json:"latestStatus"`
}
resp, err := cronsun.DefalutClient.Get(prefix, clientv3.WithPrefix(), clientv3.WithSort(clientv3.SortByKey, clientv3.SortAscend))
if err != nil {
outJSONWithCode(w, http.StatusInternalServerError, err.Error())
return
}
var nodeGroupMap map[string]*cronsun.Group
if len(node) > 0 {
nodeGrouplist, err := cronsun.GetNodeGroups()
if err != nil {
outJSONWithCode(w, http.StatusInternalServerError, err.Error())
return
}
nodeGroupMap = map[string]*cronsun.Group{}
for i := range nodeGrouplist {
nodeGroupMap[nodeGrouplist[i].ID] = nodeGrouplist[i]
}
}
var jobIds []string
var jobList = make([]*jobStatus, 0, resp.Count)
for i := range resp.Kvs {
job := cronsun.Job{}
err = json.Unmarshal(resp.Kvs[i].Value, &job)
if err != nil {
outJSONWithCode(w, http.StatusInternalServerError, err.Error())
return
}
if len(node) > 0 && !job.IsRunOn(node, nodeGroupMap) {
continue
}
jobList = append(jobList, &jobStatus{Job: &job})
jobIds = append(jobIds, job.ID)
}
m, err := cronsun.GetJobLatestLogListByJobIds(jobIds)
if err != nil {
log.Error("GetJobLatestLogListByJobIds error:", err.Error())
} else {
for i := range jobList {
jobList[i].LatestStatus = m[jobList[i].ID]
}
}
outJSON(w, jobList)
}
func (j *Job) GetJobNodes(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
job, err := cronsun.GetJob(vars["group"], vars["id"])
var statusCode int
if err != nil {
if err == cronsun.ErrNotFound {
statusCode = http.StatusNotFound
} else {
statusCode = http.StatusInternalServerError
}
outJSONWithCode(w, statusCode, err.Error())
return
}
var nodes []string
var exNodes []string
groups, err := cronsun.GetGroups("")
if err != nil {
outJSONWithCode(w, http.StatusInternalServerError, err.Error())
return
}
for i := range job.Rules {
inNodes := append(nodes, job.Rules[i].NodeIDs...)
for _, gid := range job.Rules[i].GroupIDs {
if g, ok := groups[gid]; ok {
inNodes = append(inNodes, g.NodeIDs...)
}
}
exNodes = append(exNodes, job.Rules[i].ExcludeNodeIDs...)
inNodes = SubtractStringArray(inNodes, exNodes)
nodes = append(nodes, inNodes...)
}
outJSON(w, UniqueStringArray(nodes))
}
func (j *Job) JobExecute(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
group := strings.TrimSpace(vars["group"])
id := strings.TrimSpace(vars["id"])
if len(group) == 0 || len(id) == 0 {
outJSONWithCode(w, http.StatusBadRequest, "Invalid job id or group.")
return
}
node := getStringVal("node", r)
err := cronsun.PutOnce(group, id, node)
if err != nil {
outJSONWithCode(w, http.StatusInternalServerError, err.Error())
return
}
outJSONWithCode(w, http.StatusNoContent, nil)
}
func (j *Job) GetExecutingJob(w http.ResponseWriter, r *http.Request) {
opt := &ProcFetchOptions{
Groups: getStringArrayFromQuery("groups", ",", r),
NodeIds: getStringArrayFromQuery("nodes", ",", r),
JobIds: getStringArrayFromQuery("jobs", ",", r),
}
gresp, err := cronsun.DefalutClient.Get(conf.Config.Proc, clientv3.WithPrefix())
if err != nil {
outJSONWithCode(w, http.StatusInternalServerError, err.Error())
return
}
var list = make([]*cronsun.Process, 0, 8)
for i := range gresp.Kvs {
proc, err := cronsun.GetProcFromKey(string(gresp.Kvs[i].Key))
if err != nil {
log.Error("Failed to unmarshal Proc from key: ", err.Error())
continue
}
if !opt.Match(proc) {
continue
}
proc.Time, _ = time.Parse(time.RFC3339, string(gresp.Kvs[i].Value))
list = append(list, proc)
}
sort.Sort(ByProcTime(list))
outJSON(w, list)
}
type ProcFetchOptions struct {
Groups []string
NodeIds []string
JobIds []string
}
func (opt *ProcFetchOptions) Match(proc *cronsun.Process) bool {
if len(opt.Groups) > 0 && !InStringArray(proc.Group, opt.Groups) {
return false
}
if len(opt.JobIds) > 0 && !InStringArray(proc.JobID, opt.JobIds) {
return false
}
if len(opt.NodeIds) > 0 && !InStringArray(proc.NodeID, opt.NodeIds) {
return false
}
return true
}
type ByProcTime []*cronsun.Process
func (a ByProcTime) Len() int { return len(a) }
func (a ByProcTime) Swap(i, j int) { a[i], a[j] = a[j], a[i] }
func (a ByProcTime) Less(i, j int) bool { return a[i].Time.After(a[j].Time) }