forked from shunfei/cronsun
/
upgrade.go
199 lines (172 loc) · 4.83 KB
/
upgrade.go
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package cmd
import (
"encoding/json"
"fmt"
"strings"
"github.com/coreos/etcd/clientv3"
"github.com/spf13/cobra"
mgo "gopkg.in/mgo.v2"
"gopkg.in/mgo.v2/bson"
"github.com/shunfei/cronsun"
"github.com/shunfei/cronsun/conf"
)
var prever string
func init() {
UpgradeCmd.Flags().StringVarP(&prever, "prever", "p", "", "previous version of cronsun you are used")
}
var UpgradeCmd = &cobra.Command{
Use: "upgrade",
Short: "upgrade will upgrade data to the current version(" + cronsun.VersionNumber + ")",
Run: func(cmd *cobra.Command, args []string) {
var ea = NewExitAction()
prever = strings.TrimLeft(strings.TrimSpace(prever), "v")
if len(prever) < 5 {
ea.Exit("invalid version number")
}
nodesById := getIPMapper(ea, prever)
if prever < "0.3.0" {
fmt.Println("upgrading data to version 0.3.0")
if to_0_3_0(ea, nodesById) {
return
}
}
if prever < "0.3.1" {
fmt.Println("upgrading data to version 0.3.1")
if to_0_3_1(ea, nodesById) {
return
}
}
},
}
func getIPMapper(ea *ExitAction, prever string) map[string]*cronsun.Node {
nodes, err := cronsun.GetNodes()
if err != nil {
ea.Exit("failed to fetch nodes from MongoDB: %s", err.Error())
}
var ipMapper = make(map[string]*cronsun.Node, len(nodes))
for _, n := range nodes {
n.IP = strings.TrimSpace(n.IP)
if n.IP == "" || n.ID == "" {
continue
}
if prever < "0.3.0" {
n.RmOldInfo()
}
ipMapper[n.IP] = n
}
return ipMapper
}
// to_0_3_0 can be run many times
func to_0_3_0(ea *ExitAction, nodesById map[string]*cronsun.Node) (shouldStop bool) {
var replaceIDs = func(list []string) {
for i := range list {
if node, ok := nodesById[list[i]]; ok {
list[i] = node.ID
}
}
}
// update job data
gresp, err := cronsun.DefalutClient.Get(conf.Config.Cmd, clientv3.WithPrefix())
ea.ExitOnErr(err)
total := len(gresp.Kvs)
upgraded := 0
for i := range gresp.Kvs {
job := cronsun.Job{}
err = json.Unmarshal(gresp.Kvs[i].Value, &job)
if err != nil {
fmt.Printf("[Error] failed to decode job(%s) data: %s\n", string(gresp.Kvs[i].Key), err.Error())
continue
}
for _, rule := range job.Rules {
replaceIDs(rule.ExcludeNodeIDs)
replaceIDs(rule.NodeIDs)
}
d, err := json.Marshal(&job)
if err != nil {
fmt.Printf("[Error] failed to encode job(%s) data: %s\n", string(gresp.Kvs[i].Key), err.Error())
continue
}
_, err = cronsun.DefalutClient.Put(job.Key(), string(d))
if err != nil {
fmt.Printf("[Warn] failed to restore job(%s) data: %s\n", string(gresp.Kvs[i].Key), err.Error())
continue
}
upgraded++
}
if total != upgraded {
shouldStop = true
}
fmt.Printf("%d of %d jobs has been upgraded.\n", upgraded, total)
// migrate node group data
nodeGroups, err := cronsun.GetNodeGroups()
if err != nil {
ea.Exit("[Error] failed to get node group datas: ", err.Error())
}
total = len(nodeGroups)
upgraded = 0
for i := range nodeGroups {
replaceIDs(nodeGroups[i].NodeIDs)
if _, err = nodeGroups[i].Put(0); err != nil {
fmt.Printf("[Warn] failed to restore node group(id: %s, name: %s) data: %s\n", nodeGroups[i].ID, nodeGroups[i].Name, err.Error())
continue
}
upgraded++
}
if total != upgraded {
shouldStop = true
}
fmt.Printf("%d of %d node group has been upgraded.\n", upgraded, total)
// upgrade logs
cronsun.GetDb().WithC(cronsun.Coll_JobLog, func(c *mgo.Collection) error {
for ip, node := range nodesById {
_, err = c.UpdateAll(bson.M{"node": ip}, bson.M{"$set": bson.M{"node": node.ID, "hostname": node.Hostname}})
if err != nil {
fmt.Println("failed to upgrade job logs: ", err.Error())
break
}
}
shouldStop = true
return err
})
// upgrade logs
cronsun.GetDb().WithC(cronsun.Coll_JobLatestLog, func(c *mgo.Collection) error {
for ip, node := range nodesById {
_, err = c.UpdateAll(bson.M{"node": ip}, bson.M{"$set": bson.M{"node": node.ID, "hostname": node.Hostname}})
if err != nil {
fmt.Println("failed to upgrade job latest logs: ", err.Error())
break
}
}
shouldStop = true
return err
})
return
}
// to_0_3_0 can be run many times
func to_0_3_1(ea *ExitAction, nodesById map[string]*cronsun.Node) (shouldStop bool) {
// upgrade logs
var err error
cronsun.GetDb().WithC(cronsun.Coll_JobLog, func(c *mgo.Collection) error {
for _, node := range nodesById {
_, err = c.UpdateAll(bson.M{"node": node.ID}, bson.M{"$set": bson.M{"ip": node.IP}})
if err != nil {
fmt.Println("failed to upgrade job logs: ", err.Error())
break
}
}
shouldStop = true
return err
})
cronsun.GetDb().WithC(cronsun.Coll_JobLatestLog, func(c *mgo.Collection) error {
for _, node := range nodesById {
_, err = c.UpdateAll(bson.M{"node": node.ID}, bson.M{"$set": bson.M{"ip": node.IP}})
if err != nil {
fmt.Println("failed to upgrade job latest logs: ", err.Error())
break
}
}
shouldStop = true
return err
})
return
}