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util: use go-ceph instead of "rados" command for GetPoolID()

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GetPoolID() did not return ErrPoolNotFound in case the pool could not be
found. This has been addressed as well, so that looking for an existing
pool behaves the same for checking by Name or ID.

Signed-off-by: Niels de Vos <ndevos@redhat.com>
This commit is contained in:
Niels de Vos 2020-01-16 16:33:54 +01:00 committed by mergify[bot]
parent b0270ced41
commit c9b4ee42e0
1 changed files with 11 additions and 8 deletions
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19
internal/util/cephcmds.go
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@ -26,6 +26,7 @@ import (
"os/exec" "os/exec"
"strings" "strings"
"github.com/ceph/go-ceph/rados"
"k8s.io/klog" "k8s.io/klog"
) )
@ -86,21 +87,23 @@ func getPools(ctx context.Context, monitors string, cr *Credentials) ([]cephStor
return pools, nil return pools, nil
} }
// GetPoolID searches a list of pools in a cluster and returns the ID of the pool that matches // GetPoolID fetches the ID of the pool that matches the passed in poolName
// the passed in poolName parameter // parameter
func GetPoolID(ctx context.Context, monitors string, cr *Credentials, poolName string) (int64, error) { func GetPoolID(ctx context.Context, monitors string, cr *Credentials, poolName string) (int64, error) {
pools, err := getPools(ctx, monitors, cr) conn, err := connPool.Get(monitors, cr.ID, cr.KeyFile)
if err != nil { if err != nil {
return 0, err return 0, err
} }
defer connPool.Put(conn)
for _, p := range pools { id, err := conn.GetPoolByName(poolName)
if poolName == p.Name { if err == rados.ErrNotFound {
return p.Number, nil return 0, ErrPoolNotFound{poolName, fmt.Errorf("pool (%s) not found in Ceph cluster", poolName)}
} } else if err != nil {
return 0, err
} }
return 0, fmt.Errorf("pool (%s) not found in Ceph cluster", poolName) return id, nil
} }
// GetPoolName lists all pools in a ceph cluster, and matches the pool whose pool ID is equal to // GetPoolName lists all pools in a ceph cluster, and matches the pool whose pool ID is equal to