cachememdb

package
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Published: Apr 11, 2019 License: MPL-2.0 Imports: 4 Imported by: 0

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Index

Constants

View Source
const (
	// IndexNameID is the ID of the index constructed from the serialized request.
	IndexNameID = "id"

	// IndexNameLease is the lease of the index.
	IndexNameLease = "lease"

	// IndexNameRequestPath is the request path of the index.
	IndexNameRequestPath = "request_path"

	// IndexNameToken is the token of the index.
	IndexNameToken = "token"

	// IndexNameTokenAccessor is the token accessor of the index.
	IndexNameTokenAccessor = "token_accessor"

	// IndexNameTokenParent is the token parent of the index.
	IndexNameTokenParent = "token_parent"

	// IndexNameLeaseToken is the token that created the lease.
	IndexNameLeaseToken = "lease_token"
)

Variables

This section is empty.

Functions

This section is empty.

Types

type CacheMemDB

type CacheMemDB struct {
	// contains filtered or unexported fields
}

CacheMemDB is the underlying cache database for storing indexes.

func New

func New() (*CacheMemDB, error)

New creates a new instance of CacheMemDB.

func (*CacheMemDB) Evict

func (c *CacheMemDB) Evict(indexName string, indexValues ...interface{}) error

Evict removes an index from the cache based on index name and value.

func (*CacheMemDB) Flush

func (c *CacheMemDB) Flush() error

Flush resets the underlying cache object.

func (*CacheMemDB) Get

func (c *CacheMemDB) Get(indexName string, indexValues ...interface{}) (*Index, error)

Get returns the index based on the indexer and the index values provided.

func (*CacheMemDB) GetByPrefix

func (c *CacheMemDB) GetByPrefix(indexName string, indexValues ...interface{}) ([]*Index, error)

GetByPrefix returns all the cached indexes based on the index name and the value prefix.

func (*CacheMemDB) Set

func (c *CacheMemDB) Set(index *Index) error

Set stores the index into the cache.

type ContextInfo

type ContextInfo struct {
	Ctx        context.Context
	CancelFunc context.CancelFunc
	DoneCh     chan struct{}
}

func NewContextInfo

func NewContextInfo(ctx context.Context) *ContextInfo

type Index

type Index struct {
	// ID is a value that uniquely represents the request held by this
	// index. This is computed by serializing and hashing the response object.
	// Required: true, Unique: true
	ID string

	// Token is the token that fetched the response held by this index
	// Required: true, Unique: true
	Token string

	// TokenParent is the parent token of the token held by this index
	// Required: false, Unique: false
	TokenParent string

	// TokenAccessor is the accessor of the token being cached in this index
	// Required: true, Unique: true
	TokenAccessor string

	// Namespace is the namespace that was provided in the request path as the
	// Vault namespace to query
	Namespace string

	// RequestPath is the path of the request that resulted in the response
	// held by this index.
	// Required: true, Unique: false
	RequestPath string

	// Lease is the identifier of the lease in Vault, that belongs to the
	// response held by this index.
	// Required: false, Unique: true
	Lease string

	// LeaseToken is the identifier of the token that created the lease held by
	// this index.
	// Required: false, Unique: false
	LeaseToken string

	// Response is the serialized response object that the agent is caching.
	Response []byte

	// RenewCtxInfo holds the context and the corresponding cancel func for the
	// goroutine that manages the renewal of the secret belonging to the
	// response in this index.
	RenewCtxInfo *ContextInfo
}

Index holds the response to be cached along with multiple other values that serve as pointers to refer back to this index.

type IndexName

type IndexName uint32

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