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ceph: zones.Zones.WriteCephConfig() and ceph.Config.WriteTo()

Signed-off-by: Alejandro Mery <amery@jpi.io>
Alejandro Mery 1 year ago
parent
commit
5e57fe5f30
  1. 29
      pkg/ceph/config.go
  2. 12
      pkg/zones/ceph.go

29
pkg/ceph/config.go

@ -1,8 +1,11 @@
package ceph
import (
"bytes"
"fmt"
"io"
"net/netip"
"strings"
"github.com/gofrs/uuid/v5"
@ -22,6 +25,32 @@ type GlobalConfig struct {
ClusterNetwork netip.Prefix `ini:"cluster_network"`
}
// WriteTo writes a Wireguard [Config] onto the provided [io.Writer]
func (cfg *Config) WriteTo(w io.Writer) (int64, error) {
var buf bytes.Buffer
writeGlobalToBuffer(&buf, &cfg.Global)
return buf.WriteTo(w)
}
func writeGlobalToBuffer(w *bytes.Buffer, c *GlobalConfig) {
_, _ = w.WriteString("[global]\n")
_, _ = fmt.Fprintf(w, "%s = %s\n", "fsid", c.FSID.String())
_, _ = fmt.Fprintf(w, "%s = %s\n", "mon_initial_members", strings.Join(c.Monitors, ", "))
_, _ = fmt.Fprintf(w, "%s = %s\n", "mon_host", joinAddrs(c.MonitorsAddr, ", "))
_, _ = fmt.Fprintf(w, "%s = %s\n", "cluster_network", c.ClusterNetwork.String())
}
func joinAddrs(addrs []netip.Addr, sep string) string {
s := make([]string, len(addrs))
for i, addr := range addrs {
s[i] = addr.String()
}
return strings.Join(s, sep)
}
// NewConfigFromReader parses the ceph.conf file
func NewConfigFromReader(r io.Reader) (*Config, error) {
doc, err := basic.Decode(r)

12
pkg/zones/ceph.go

@ -31,6 +31,18 @@ func (m *Zones) GetCephConfig() (*ceph.Config, error) {
return ceph.NewConfigFromReader(r)
}
// WriteCephConfig writes the ceph.conf file
func (m *Zones) WriteCephConfig(cfg *ceph.Config) error {
f, err := m.CreateTruncFile("ceph.conf")
if err != nil {
return err
}
defer f.Close()
_, err = cfg.WriteTo(f)
return err
}
// GenCephConfig prepares a ceph.Config using the cluster information
func (m *Zones) GenCephConfig() (*ceph.Config, error) {
fsid, err := m.GetCephFSID()

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