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# Which Problems Are Solved The event execution system currently uses a projection handler that subscribes to and processes all events for all instances. This creates a high static cost because the system over-fetches event data, handling many events that are not needed by most instances. This inefficiency is also reflected in high "rows returned" metrics in the database. # How the Problems Are Solved Eliminate the use of a project handler. Instead, events for which "execution targets" are defined, are directly pushed to the queue by the eventstore. A Router is populated in the Instance object in the authz middleware. - By joining the execution targets to the instance, no additional queries are needed anymore. - As part of the instance object, execution targets are now cached as well. - Events are queued within the same transaction, giving transactional guarantees on delivery. - Uses the "insert many fast` variant of River. Multiple jobs are queued in a single round-trip to the database. - Fix compatibility with PostgreSQL 15 # Additional Changes - The signing key was stored as plain-text in the river job payload in the DB. This violated our [Secrets Storage](https://zitadel.com/docs/concepts/architecture/secrets#secrets-storage) principle. This change removed the field and only uses the encrypted version of the signing key. - Fixed the target ordering from descending to ascending. - Some minor linter warnings on the use of `io.WriteString()`. # Additional Context - Introduced in https://github.com/zitadel/zitadel/pull/9249 - Closes https://github.com/zitadel/zitadel/issues/10553 - Closes https://github.com/zitadel/zitadel/issues/9832 - Closes https://github.com/zitadel/zitadel/issues/10372 - Closes https://github.com/zitadel/zitadel/issues/10492 --------- Co-authored-by: Stefan Benz <46600784+stebenz@users.noreply.github.com>
51 lines
1.2 KiB
Go
51 lines
1.2 KiB
Go
package target
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import (
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"time"
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"github.com/zitadel/zitadel/internal/crypto"
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)
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type TargetType uint
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const (
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TargetTypeWebhook TargetType = iota
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TargetTypeCall
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TargetTypeAsync
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)
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type Target struct {
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ExecutionID string `json:"execution_id,omitempty"`
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TargetID string `json:"target_id,omitempty"`
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TargetType TargetType `json:"target_type,omitempty"`
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Endpoint string `json:"endpoint,omitempty"`
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Timeout time.Duration `json:"timeout,omitempty"`
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InterruptOnError bool `json:"interrupt_on_error,omitempty"`
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SigningKey *crypto.CryptoValue `json:"signing_key,omitempty"`
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}
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func (e *Target) GetExecutionID() string {
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return e.ExecutionID
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}
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func (e *Target) GetTargetID() string {
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return e.TargetID
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}
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func (e *Target) IsInterruptOnError() bool {
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return e.InterruptOnError
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}
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func (e *Target) GetEndpoint() string {
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return e.Endpoint
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}
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func (e *Target) GetTargetType() TargetType {
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return e.TargetType
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}
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func (e *Target) GetTimeout() time.Duration {
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return e.Timeout
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}
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func (e *Target) GetSigningKey(alg crypto.EncryptionAlgorithm) (string, error) {
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if e.SigningKey == nil {
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return "", nil
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}
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return crypto.DecryptString(e.SigningKey, alg)
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}
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