Jeff Mitchell
717a3b52ee
This allows workers to have tags assigned to them, which can then be filtered to control which targets they are allowed to serve.
56 lines
1.3 KiB
Go
56 lines
1.3 KiB
Go
package servers
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import "time"
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// getOpts - iterate the inbound Options and return a struct
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func getOpts(opt ...Option) options {
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opts := getDefaultOptions()
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for _, o := range opt {
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o(&opts)
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}
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return opts
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}
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// Option - how Options are passed as arguments
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type Option func(*options)
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// options = how options are represented
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type options struct {
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withLimit int
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withLiveness time.Duration
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withUpdateTags bool
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}
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func getDefaultOptions() options {
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return options{
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withLimit: 0,
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withLiveness: 0,
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}
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}
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// WithLimit provides an option to provide a limit. Intentionally allowing
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// negative integers. If WithLimit < 0, then unlimited results are returned.
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// If WithLimit == 0, then default limits are used for results.
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func WithLimit(limit int) Option {
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return func(o *options) {
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o.withLimit = limit
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}
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}
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// WithSkipVetForWrite provides an option to allow skipping vet checks to allow
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// testing lower-level SQL triggers and constraints
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func WithLiveness(liveness time.Duration) Option {
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return func(o *options) {
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o.withLiveness = liveness
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}
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}
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// WithUpdateTags indicates that we should perform tag updates in the DB.
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// This would happen on first sync from a worker after startup or (eventually,
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// perhaps), after a SIGHUP.
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func WithUpdateTags(updateTags bool) Option {
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return func(o *options) {
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o.withUpdateTags = updateTags
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}
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}
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