8d57fc8fa2
Adds a simple database watcher. At this point it's just one process, but the plan is to allow different implementations that inform the local running workers of changes that have occured on entities of interest in the database. Signed-off-by: Gabriel Adrian Samfira <gsamfira@cloudbasesolutions.com>
50 lines
1.3 KiB
Go
50 lines
1.3 KiB
Go
package common
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type (
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DatabaseEntityType string
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OperationType string
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PayloadFilterFunc func(ChangePayload) bool
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)
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const (
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RepositoryEntityType DatabaseEntityType = "repository"
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OrganizationEntityType DatabaseEntityType = "organization"
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EnterpriseEntityType DatabaseEntityType = "enterprise"
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PoolEntityType DatabaseEntityType = "pool"
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UserEntityType DatabaseEntityType = "user"
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InstanceEntityType DatabaseEntityType = "instance"
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JobEntityType DatabaseEntityType = "job"
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ControllerEntityType DatabaseEntityType = "controller"
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GithubCredentialsEntityType DatabaseEntityType = "github_credentials"
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GithubEndpointEntityType DatabaseEntityType = "github_endpoint"
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)
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const (
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CreateOperation OperationType = "create"
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UpdateOperation OperationType = "update"
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DeleteOperation OperationType = "delete"
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)
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type ChangePayload struct {
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EntityType DatabaseEntityType
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Operation OperationType
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Payload interface{}
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}
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type Consumer interface {
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Watch() <-chan ChangePayload
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IsClosed() bool
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Close()
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SetFilters(filters ...PayloadFilterFunc)
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}
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type Producer interface {
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Notify(ChangePayload) error
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IsClosed() bool
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Close()
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}
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type Watcher interface {
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RegisterProducer(ID string) (Producer, error)
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RegisterConsumer(ID string, filters ...PayloadFilterFunc) (Consumer, error)
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}
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