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node_push_disks.go
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node_push_disks.go
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package object
import (
"encoding/json"
"fmt"
"os"
"path/filepath"
"github.com/opensvc/om3/core/rawconfig"
"github.com/opensvc/om3/core/collector"
"github.com/opensvc/om3/core/naming"
"github.com/opensvc/om3/util/disks"
"github.com/opensvc/om3/util/hostname"
)
func (t Node) nodeDisksCacheFile() string {
return filepath.Join(rawconfig.NodeVarDir(), "disks.json")
}
func allObjectsDeviceClaims() (disks.ObjectsDeviceClaims, error) {
claims := disks.NewObjectsDeviceClaims()
paths, err := naming.InstalledPaths()
if err != nil {
return claims, err
}
objs, err := NewList(paths.Filter("*/svc/*").Merge(paths.Filter("*/vol/*")), WithVolatile(true))
if err != nil {
return claims, err
}
claims.AddObjects(objs...)
return claims, err
}
func (t Node) PushDisks() (disks.Disks, error) {
claims, err := allObjectsDeviceClaims()
if err != nil {
return nil, err
}
t.Log().Attr("claims", claims).Debugf("PushDisks %s", claims)
l, err := disks.GetDisks(claims)
if err != nil {
return l, err
}
if err := t.dumpDisks(l); err != nil {
return l, err
}
if err := t.pushDisks(l); err != nil {
return l, err
}
return l, nil
}
func (t Node) dumpDisks(data disks.Disks) error {
file, err := os.OpenFile(t.nodeDisksCacheFile(), os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0660)
if err != nil {
return err
}
defer func() { _ = file.Close() }()
return json.NewEncoder(file).Encode(data)
}
func (t Node) LoadDisks() (disks.Disks, error) {
var data disks.Disks
file, err := os.Open(t.nodeDisksCacheFile())
if err != nil {
return data, err
}
defer func() { _ = file.Close() }()
err = json.NewDecoder(file).Decode(&data)
return data, err
}
func pushSvcDisks(client *collector.Client, data disks.Disks) error {
nodename := hostname.Hostname()
diskAsList := func(d disks.Disk, r disks.Region) []interface{} {
return []interface{}{
d.ID,
r.Object,
r.Size / 1024 / 1024,
r.Size / 1024 / 1024,
d.Vendor,
d.Model,
r.Group,
nodename,
0,
}
}
disksAsList := func(t disks.Disks) [][]interface{} {
l := make([][]interface{}, 0)
for _, disk := range t {
for _, region := range disk.Regions {
l = append(l, diskAsList(disk, region))
}
}
return l
}
vars := []string{
"disk_id",
"disk_svcname",
"disk_size",
"disk_used",
"disk_vendor",
"disk_model",
"disk_dg",
"disk_nodename",
"disk_region",
}
if response, err := client.Call("register_disks", vars, disksAsList(data)); err != nil {
return err
} else if response.Error != nil {
return fmt.Errorf("rpc: %s %s", response.Error.Message, response.Error.Data)
}
return nil
}
func pushDiskInfo(client *collector.Client, data disks.Disks) error {
vars := []string{
"disk_id",
"disk_arrayid",
"disk_devid",
"disk_size",
"disk_raid",
"disk_group",
}
vals := [][]string{}
if response, err := client.Call("register_diskinfo", vars, vals); err != nil {
return err
} else if response.Error != nil {
return fmt.Errorf("rpc: %s %s", response.Error.Message, response.Error.Data)
}
return nil
}
func (t Node) pushDisks(data disks.Disks) error {
client, err := t.CollectorFeedClient()
if err != nil {
return err
}
if err := pushSvcDisks(client, data); err != nil {
return err
}
if err := pushDiskInfo(client, data); err != nil {
return err
}
return nil
}