Get Osd structs and location functions
parent
d66de79515
commit
c591da02a7
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@ -5,9 +5,11 @@ import (
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"fmt"
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"log"
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"math/rand"
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"strings"
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"time"
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)
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//future feature
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func makepreudorandom() {
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a := make([]int, 0, 4096/4)
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for i := 0; i < 4096; i += 4 {
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@ -46,7 +48,7 @@ func GetPoolSize(cephconn *Cephconnection, params Params) Poolinfo {
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func GetPgByPool(cephconn *Cephconnection, params Params) []PlacementGroup {
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monrawanswer := MakeMonQuery(cephconn, map[string]string{"prefix": "pg ls-by-pool", "poolstr": params.pool,
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"format": "json"})
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monanswer := []PlacementGroup{}
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var monanswer []PlacementGroup
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if err := json.Unmarshal([]byte(monrawanswer), &monanswer); err != nil {
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log.Fatalf("Can't parse monitor answer. Error: %v", err)
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}
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@ -55,7 +57,7 @@ func GetPgByPool(cephconn *Cephconnection, params Params) []PlacementGroup {
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func GetOsdCrushDump(cephconn *Cephconnection) OsdCrushDump {
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monrawanswer := MakeMonQuery(cephconn, map[string]string{"prefix": "osd crush dump", "format": "json"})
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monanswer := OsdCrushDump{}
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var monanswer OsdCrushDump
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if err := json.Unmarshal([]byte(monrawanswer), &monanswer); err != nil {
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log.Fatalf("Can't parse monitor answer. Error: %v", err)
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}
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@ -64,32 +66,106 @@ func GetOsdCrushDump(cephconn *Cephconnection) OsdCrushDump {
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func GetOsdDump(cephconn *Cephconnection) OsdDump {
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monrawanswer := MakeMonQuery(cephconn, map[string]string{"prefix": "osd dump", "format": "json"})
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monanswer := OsdDump{}
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var monanswer OsdDump
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if err := json.Unmarshal([]byte(monrawanswer), &monanswer); err != nil {
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log.Fatalf("Can't parse monitor answer. Error: %v", err)
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}
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return monanswer
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}
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func GetOsdLocations(params Params, osdcrushdump OsdCrushDump, osddump OsdDump, poolinfo Poolinfo) []int {
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func GetCrushHostBuckets(buckets []Bucket, itemid int64) []Bucket {
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var rootbuckets []Bucket
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for _, bucket := range buckets {
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if bucket.ID == itemid {
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if bucket.TypeName == "host" {
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rootbuckets = append(rootbuckets, bucket)
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for _, item := range bucket.Items {
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result := GetCrushHostBuckets(buckets, item.ID)
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for _, it := range result {
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rootbuckets = append(rootbuckets, it)
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}
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}
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} else {
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for _, item := range bucket.Items {
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result := GetCrushHostBuckets(buckets, item.ID)
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for _, it := range result {
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rootbuckets = append(rootbuckets, it)
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}
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}
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}
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}
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}
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return rootbuckets
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}
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func GetOsdForLocations(params Params, osdcrushdump OsdCrushDump, osddump OsdDump, poolinfo Poolinfo) map[string][]Device {
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var crushrule int64
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var crushrulename string
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for _, pool := range osddump.Pools {
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if pool.Pool == poolinfo.PoolId {
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crushrule = pool.CrushRule
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}
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}
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var itemid int64
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var rootid int64
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for _, rule := range osdcrushdump.Rules {
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if rule.RuleID == crushrule {
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crushrulename = rule.RuleName
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for _, step := range rule.Steps {
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if step.Op == "take" {
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itemid = step.Item
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rootid = step.Item
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}
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}
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}
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}
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log.Println(itemid)
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return []int{}
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osdhosts := make(map[string][]Device)
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bucketitems := GetCrushHostBuckets(osdcrushdump.Buckets, rootid)
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if params.define != "" {
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if strings.HasPrefix(params.define, "osd.") {
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for _, hostbucket := range bucketitems {
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for _, item := range hostbucket.Items {
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for _, device := range osdcrushdump.Devices {
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if device.ID == item.ID && params.define == device.Name {
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osdhosts[hostbucket.Name] = append(osdhosts[hostbucket.Name], device)
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}
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}
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}
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}
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if len(bucketitems) == 0 {
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log.Fatalf("Defined osd not exist in root for rule: %v pool: %v.\nYou should define osd like osd.X",
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crushrulename, poolinfo.Pool)
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}
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} else {
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for _, hostbucket := range bucketitems {
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if strings.HasPrefix(hostbucket.Name, params.define) {
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for _, item := range hostbucket.Items {
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for _, device := range osdcrushdump.Devices {
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if device.ID == item.ID {
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osdhosts[hostbucket.Name] = append(osdhosts[hostbucket.Name], device)
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}
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}
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}
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}
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}
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if len(bucketitems) == 0 {
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log.Fatalf("Defined host not exist in root for rule: %v pool: %v", crushrulename, poolinfo.Pool)
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}
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}
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} else {
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for _, hostbucket := range bucketitems {
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for _, item := range hostbucket.Items {
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for _, device := range osdcrushdump.Devices {
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if device.ID == item.ID {
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osdhosts[hostbucket.Name] = append(osdhosts[hostbucket.Name], device)
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}
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}
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}
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}
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if len(bucketitems) == 0 {
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log.Fatalf("Osd not exist in root for rule: %v pool: %v", crushrulename, poolinfo.Pool)
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}
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}
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return osdhosts
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}
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func main() {
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@ -123,10 +199,9 @@ func main() {
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//}
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crushosddump := GetOsdCrushDump(cephconn)
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osddump := GetOsdDump(cephconn)
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GetOsdLocations(params, crushosddump, osddump, poolinfo)
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log.Println(poolinfo)
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osddevices := GetOsdForLocations(params, crushosddump, osddump, poolinfo)
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log.Printf("%+v", osddevices)
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}
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//TODO Получить структуру пула (osd dump), рул. Получить все рулы (osd crush dump). Разобрать краш карту, получить список осд.
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//TODO получить список PG, если не все находятся на нужных OSD выкинуть эксепшн.
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