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Add buckets for all containers and all pods

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Now, we don't need to use the global ID registry to iterate - we
can iterate only through containers or only through pods, without
having to iterate through both.

Signed-off-by: Matthew Heon <matthew.heon@gmail.com>

Closes: #184
Approved by: baude
This commit is contained in:
Matthew Heon
2018-02-10 16:44:38 -05:00
committed by Atomic Bot
parent dc6a99df4c
commit de737c150a
2 changed files with 78 additions and 13 deletions
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36
libpod/boltdb_state_internal.go
View File

@ -15,7 +15,9 @@ const (
idRegistryName = "id-registry"
nameRegistryName = "name-registry"
ctrName = "ctr"
allCtrsName = "all-ctrs"
podName = "pod"
allPodsName = "allPods"
runtimeConfigName = "runtime-config"
configName = "config"
@ -30,7 +32,9 @@ var (
idRegistryBkt = []byte(idRegistryName)
nameRegistryBkt = []byte(nameRegistryName)
ctrBkt = []byte(ctrName)
allCtrsBkt = []byte(allCtrsName)
podBkt = []byte(podName)
allPodsBkt = []byte(allPodsName)
runtimeConfigBkt = []byte(runtimeConfigName)
configKey = []byte(configName)
@ -138,6 +142,14 @@ func getCtrBucket(tx *bolt.Tx) (*bolt.Bucket, error) {
return bkt, nil
}
func getAllCtrsBucket(tx *bolt.Tx) (*bolt.Bucket, error) {
bkt := tx.Bucket(allCtrsBkt)
if bkt == nil {
return nil, errors.Wrapf(ErrDBBadConfig, "all containers bucket not found in DB")
}
return bkt, nil
}
func getPodBucket(tx *bolt.Tx) (*bolt.Bucket, error) {
bkt := tx.Bucket(podBkt)
if bkt == nil {
@ -146,6 +158,14 @@ func getPodBucket(tx *bolt.Tx) (*bolt.Bucket, error) {
return bkt, nil
}
func getAllPodsBucket(tx *bolt.Tx) (*bolt.Bucket, error) {
bkt := tx.Bucket(allPodsBkt)
if bkt == nil {
return nil, errors.Wrapf(ErrDBBadConfig, "all pods bucket not found in DB")
}
return bkt, nil
}
func getRuntimeConfigBucket(tx *bolt.Tx) (*bolt.Bucket, error) {
bkt := tx.Bucket(runtimeConfigBkt)
if bkt == nil {
@ -279,6 +299,11 @@ func (s *BoltState) addContainer(ctr *Container, pod *Pod) error {
return err
}
allCtrsBucket, err := getAllCtrsBucket(tx)
if err != nil {
return err
}
// If a pod was given, check if it exists
var podDB *bolt.Bucket
var podCtrs *bolt.Bucket
@ -319,6 +344,9 @@ func (s *BoltState) addContainer(ctr *Container, pod *Pod) error {
if err := namesBucket.Put(ctrName, ctrID); err != nil {
return errors.Wrapf(err, "error adding container %s name (%s) to DB", ctr.ID(), ctr.Name())
}
if err := allCtrsBucket.Put(ctrID, ctrName); err != nil {
return errors.Wrapf(err, "error adding container %s to all containers bucket in DB", ctr.ID())
}
newCtrBkt, err := ctrBucket.CreateBucket(ctrID)
if err != nil {
@ -405,6 +433,11 @@ func removeContainer(ctr *Container, pod *Pod, tx *bolt.Tx) error {
return err
}
allCtrsBucket, err := getAllCtrsBucket(tx)
if err != nil {
return err
}
// Does the pod exist?
var podDB *bolt.Bucket
if pod != nil {
@ -475,6 +508,9 @@ func removeContainer(ctr *Container, pod *Pod, tx *bolt.Tx) error {
if err := namesBucket.Delete(ctrName); err != nil {
return errors.Wrapf(err, "error deleting container %s name in DB", ctr.ID())
}
if err := allCtrsBucket.Delete(ctrID); err != nil {
return errors.Wrapf(err, "error deleting container %s from all containers bucket in DB", ctr.ID())
}
depCtrs := ctr.Dependencies()