56 lines
1.5 KiB
Go
56 lines
1.5 KiB
Go
package state
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import (
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"github.com/hashicorp/consul/agent/consul/state/db"
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"github.com/hashicorp/consul/agent/consul/stream"
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"github.com/hashicorp/consul/agent/structs"
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memdb "github.com/hashicorp/go-memdb"
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)
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// ACLEventsFromChanges returns all the ACL token, policy or role events that
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// should be emitted given a set of changes to the state store.
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// TODO: Add OpDelete/OpUpdate to the event or payload?
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func aclEventsFromChanges(_ db.ReadTxn, changes db.Changes) ([]stream.Event, error) {
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var events []stream.Event
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// TODO: mapping of table->topic?
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for _, change := range changes.Changes {
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switch change.Table {
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case "acl-tokens":
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token := changeObject(change).(*structs.ACLToken)
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e := stream.Event{
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Topic: stream.Topic_ACLTokens,
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Index: changes.Index,
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Payload: token,
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}
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events = append(events, e)
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case "acl-policies":
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policy := changeObject(change).(*structs.ACLPolicy)
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e := stream.Event{
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Topic: stream.Topic_ACLPolicies,
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Index: changes.Index,
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Payload: policy,
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}
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events = append(events, e)
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case "acl-roles":
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role := changeObject(change).(*structs.ACLRole)
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e := stream.Event{
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Topic: stream.Topic_ACLRoles,
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Index: changes.Index,
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Payload: role,
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}
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events = append(events, e)
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}
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}
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return events, nil
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}
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// changeObject returns the object before it was deleted if the change was a delete,
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// otherwise returns the object after the change.
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func changeObject(change memdb.Change) interface{} {
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if change.Deleted() {
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return change.Before
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}
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return change.After
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}
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