513cebe7b7
* Add Virtual Kubelet provider for VIC Initial virtual kubelet provider for VMware VIC. This provider currently handles creating and starting of a pod VM via the VIC portlayer and persona server. Image store handling via the VIC persona server. This provider currently requires the feature/wolfpack branch of VIC. * Added pod stop and delete. Also added node capacity. Added the ability to stop and delete pod VMs via VIC. Also retrieve node capacity information from the VCH. * Cleanup and readme file Some file clean up and added a Readme.md markdown file for the VIC provider. * Cleaned up errors, added function comments, moved operation code 1. Cleaned up error handling. Set standard for creating errors. 2. Added method prototype comments for all interface functions. 3. Moved PodCreator, PodStarter, PodStopper, and PodDeleter to a new folder. * Add mocking code and unit tests for podcache, podcreator, and podstarter Used the unit test framework used in VIC to handle assertions in the provider's unit test. Mocking code generated using OSS project mockery, which is compatible with the testify assertion framework. * Vendored packages for the VIC provider Requires feature/wolfpack branch of VIC and a few specific commit sha of projects used within VIC. * Implementation of POD Stopper and Deleter unit tests (#4) * Updated files for initial PR
131 lines
3.2 KiB
Go
131 lines
3.2 KiB
Go
package ipam
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import (
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"encoding/json"
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log "github.com/Sirupsen/logrus"
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"github.com/docker/libnetwork/datastore"
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"github.com/docker/libnetwork/types"
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)
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// Key provides the Key to be used in KV Store
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func (aSpace *addrSpace) Key() []string {
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aSpace.Lock()
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defer aSpace.Unlock()
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return []string{aSpace.id}
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}
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// KeyPrefix returns the immediate parent key that can be used for tree walk
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func (aSpace *addrSpace) KeyPrefix() []string {
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aSpace.Lock()
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defer aSpace.Unlock()
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return []string{dsConfigKey}
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}
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// Value marshals the data to be stored in the KV store
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func (aSpace *addrSpace) Value() []byte {
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b, err := json.Marshal(aSpace)
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if err != nil {
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log.Warnf("Failed to marshal ipam configured pools: %v", err)
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return nil
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}
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return b
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}
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// SetValue unmarshalls the data from the KV store.
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func (aSpace *addrSpace) SetValue(value []byte) error {
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rc := &addrSpace{subnets: make(map[SubnetKey]*PoolData)}
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if err := json.Unmarshal(value, rc); err != nil {
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return err
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}
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aSpace.subnets = rc.subnets
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return nil
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}
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// Index returns the latest DB Index as seen by this object
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func (aSpace *addrSpace) Index() uint64 {
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aSpace.Lock()
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defer aSpace.Unlock()
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return aSpace.dbIndex
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}
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// SetIndex method allows the datastore to store the latest DB Index into this object
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func (aSpace *addrSpace) SetIndex(index uint64) {
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aSpace.Lock()
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aSpace.dbIndex = index
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aSpace.dbExists = true
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aSpace.Unlock()
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}
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// Exists method is true if this object has been stored in the DB.
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func (aSpace *addrSpace) Exists() bool {
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aSpace.Lock()
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defer aSpace.Unlock()
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return aSpace.dbExists
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}
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// Skip provides a way for a KV Object to avoid persisting it in the KV Store
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func (aSpace *addrSpace) Skip() bool {
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return false
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}
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func (a *Allocator) getStore(as string) datastore.DataStore {
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a.Lock()
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defer a.Unlock()
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if aSpace, ok := a.addrSpaces[as]; ok {
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return aSpace.ds
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}
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return nil
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}
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func (a *Allocator) getAddressSpaceFromStore(as string) (*addrSpace, error) {
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store := a.getStore(as)
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if store == nil {
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return nil, types.InternalErrorf("store for address space %s not found", as)
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}
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pc := &addrSpace{id: dsConfigKey + "/" + as, ds: store, alloc: a}
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if err := store.GetObject(datastore.Key(pc.Key()...), pc); err != nil {
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if err == datastore.ErrKeyNotFound {
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return nil, nil
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}
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return nil, types.InternalErrorf("could not get pools config from store: %v", err)
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}
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return pc, nil
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}
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func (a *Allocator) writeToStore(aSpace *addrSpace) error {
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store := aSpace.store()
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if store == nil {
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return types.InternalErrorf("invalid store while trying to write %s address space", aSpace.DataScope())
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}
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err := store.PutObjectAtomic(aSpace)
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if err == datastore.ErrKeyModified {
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return types.RetryErrorf("failed to perform atomic write (%v). retry might fix the error", err)
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}
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return err
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}
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func (a *Allocator) deleteFromStore(aSpace *addrSpace) error {
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store := aSpace.store()
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if store == nil {
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return types.InternalErrorf("invalid store while trying to delete %s address space", aSpace.DataScope())
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}
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return store.DeleteObjectAtomic(aSpace)
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}
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// DataScope method returns the storage scope of the datastore
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func (aSpace *addrSpace) DataScope() string {
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aSpace.Lock()
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defer aSpace.Unlock()
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return aSpace.scope
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}
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