50 lines
1.5 KiB
Go
50 lines
1.5 KiB
Go
// Copyright 2019 Drone IO, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package core
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import "context"
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// Filter provides filter criteria to limit stages requested
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// from the scheduler.
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type Filter struct {
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Kind string
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Type string
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OS string
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Arch string
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Kernel string
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Variant string
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Labels map[string]string
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}
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// Scheduler schedules Build stages for execution.
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type Scheduler interface {
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// Schedule schedules the stage for execution.
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Schedule(context.Context, *Stage) error
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// Request requests the next stage scheduled for execution.
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Request(context.Context, Filter) (*Stage, error)
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// Cancel cancels scheduled or running jobs associated
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// with the parent build ID.
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Cancel(context.Context, int64) error
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// Cancelled blocks and listens for a cancellation event and
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// returns true if the build has been cancelled.
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Cancelled(context.Context, int64) (bool, error)
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// Stats provides statistics for underlying scheduler. The
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// data format is scheduler-specific.
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Stats(context.Context) (interface{}, error)
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}
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