dd0e8eec14
* copyright headers for agent folder * Ignore test data files * fix proto files and remove headers in agent/uiserver folder * ignore deep-copy files
135 lines
3.1 KiB
Go
135 lines
3.1 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: MPL-2.0
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package state
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import (
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"fmt"
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"strings"
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"github.com/hashicorp/go-memdb"
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)
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// newDBSchema creates and returns the memdb schema for the Store.
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func newDBSchema() *memdb.DBSchema {
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db := &memdb.DBSchema{Tables: make(map[string]*memdb.TableSchema)}
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addTableSchemas(db,
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authMethodsTableSchema,
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autopilotConfigTableSchema,
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bindingRulesTableSchema,
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caBuiltinProviderTableSchema,
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caConfigTableSchema,
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caRootTableSchema,
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checksTableSchema,
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configTableSchema,
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coordinatesTableSchema,
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federationStateTableSchema,
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freeVirtualIPTableSchema,
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gatewayServicesTableSchema,
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indexTableSchema,
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intentionsTableSchema,
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kindServiceNameTableSchema,
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kvsTableSchema,
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meshTopologyTableSchema,
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nodesTableSchema,
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peeringTableSchema,
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peeringTrustBundlesTableSchema,
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peeringSecretsTableSchema,
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peeringSecretUUIDsTableSchema,
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policiesTableSchema,
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preparedQueriesTableSchema,
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rolesTableSchema,
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servicesTableSchema,
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serviceVirtualIPTableSchema,
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sessionChecksTableSchema,
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sessionsTableSchema,
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systemMetadataTableSchema,
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tokensTableSchema,
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tombstonesTableSchema,
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usageTableSchema,
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)
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withEnterpriseSchema(db)
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return db
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}
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func addTableSchemas(db *memdb.DBSchema, schemas ...func() *memdb.TableSchema) {
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for _, fn := range schemas {
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schema := fn()
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if _, ok := db.Tables[schema.Name]; ok {
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panic(fmt.Sprintf("duplicate table name: %s", schema.Name))
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}
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db.Tables[schema.Name] = schema
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}
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}
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// IndexEntry keeps a record of the last index of a table or entity within a table.
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type IndexEntry struct {
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Key string
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Value uint64
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}
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const (
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tableIndex = "index"
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indexDeleted = "deleted"
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)
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// indexTableSchema returns a new table schema used for tracking various the
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// latest raft index for a table or entities within a table.
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//
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// The index table is necessary for tables that do not use tombstones. If the latest
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// items in the table are deleted, the max index of a table would appear to go
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// backwards. With the index table we can keep track of the latest update to a
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// table, even when that update is a delete of the most recent item.
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func indexTableSchema() *memdb.TableSchema {
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return &memdb.TableSchema{
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Name: tableIndex,
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Indexes: map[string]*memdb.IndexSchema{
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indexID: {
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Name: indexID,
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AllowMissing: false,
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Unique: true,
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Indexer: indexerSingle[string, *IndexEntry]{
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readIndex: indexFromString,
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writeIndex: indexNameFromIndexEntry,
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},
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},
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},
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}
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}
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func indexNameFromIndexEntry(e *IndexEntry) ([]byte, error) {
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if e.Key == "" {
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return nil, errMissingValueForIndex
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}
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var b indexBuilder
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b.String(strings.ToLower(e.Key))
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return b.Bytes(), nil
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}
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func indexFromString(s string) ([]byte, error) {
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var b indexBuilder
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b.String(strings.ToLower(s))
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return b.Bytes(), nil
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}
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func indexDeletedFromBoolQuery(q BoolQuery) ([]byte, error) {
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var b indexBuilder
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b.Bool(q.Value)
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return b.Bytes(), nil
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}
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type enterpriseIndexable interface {
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partitionIndexable
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namespaceIndexable
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}
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type partitionIndexable interface {
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PartitionOrDefault() string
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}
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type namespaceIndexable interface {
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NamespaceOrDefault() string
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}
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