89 lines
2.6 KiB
Go
89 lines
2.6 KiB
Go
package main
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import (
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"encoding/json"
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"log"
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"math/rand"
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"time"
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)
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func get_pool_size(cephconn *Cephconnection, params Params) Poolinfo {
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monjson, err := json.Marshal(map[string]string{"prefix": "osd pool get", "pool": params.pool,
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"format": "json", "var": "size"})
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if err != nil {
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log.Fatalf("Can't marshal json mon query. Error: %v", err)
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}
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monrawanswer, _, err := cephconn.conn.MonCommand(monjson)
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if err != nil {
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log.Fatalf("Failed exec monCommand. Error: %v", err)
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}
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monanswer := Poolinfo{}
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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 get_pg_by_pool(cephconn *Cephconnection, params Params) []PlacementGroup {
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monjson, err := json.Marshal(map[string]string{"prefix": "pg ls-by-pool", "poolstr": params.pool, "format": "json"})
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if err != nil {
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log.Fatalf("Can't marshal json mon query. Error: %v", err)
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}
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monrawanswer, _, err := cephconn.conn.MonCommand(monjson)
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if err != nil {
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log.Fatalf("Failed exec monCommand. Error: %v", err)
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}
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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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return monanswer
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}
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//func get_crush_dump(params Params, cephconn *Cephconnection) OsdCrushDump {
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//
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//}
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//func get_acting_osd(params Params, ) map[string]float64 {
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//
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//}
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func main() {
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params := Route()
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cephconn := connectioninit(params)
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defer cephconn.conn.Shutdown()
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// https://tracker.ceph.com/issues/24114
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time.Sleep(time.Millisecond * 100)
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var buffs [][]byte
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for i := 0; i < 2*params.threadsCount; i++ {
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buffs = append(buffs, make([]byte, params.blocksize))
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}
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for num := range buffs {
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_, err := rand.Read(buffs[num])
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if err != nil {
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log.Fatalln(err)
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}
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}
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poolinfo := get_pool_size(cephconn, params)
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if poolinfo.Size != 1 {
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log.Fatalf("Pool size must be 1. Current size for pool %v is %v. Don't forget that it must be useless pool (not production). Do:\n # ceph osd pool set %v min_size 1\n # ceph osd pool set %v size 1",
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poolinfo.Pool, poolinfo.Size, poolinfo.Pool, poolinfo.Pool)
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}
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placementGroups := get_pg_by_pool(cephconn, params)
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for _, value := range placementGroups {
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log.Printf("%+v\n", value)
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}
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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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