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6543
dea7d6a4c7
before the scheduler was just a proxy for queue and pubsub, now we move logic into it and combine calls that do result in queue and pubsub calls into one interface
88 lines
2.3 KiB
Go
88 lines
2.3 KiB
Go
// Copyright 2022 Woodpecker Authors
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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 scheduler
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import (
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"maps"
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"strings"
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"go.woodpecker-ci.org/woodpecker/v3/pipeline"
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"go.woodpecker-ci.org/woodpecker/v3/rpc"
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"go.woodpecker-ci.org/woodpecker/v3/server/model"
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)
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// createFilterFunc builds a FilterFn that matches queue tasks against the
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// labels an agent advertises in its poll filter.
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func createFilterFunc(agentFilter rpc.Filter) FilterFn {
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return func(task *model.Task) (bool, int) {
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// Create a copy of the labels for filtering to avoid modifying the original task
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labels := maps.Clone(task.Labels)
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if requiredLabelsMissing(labels, agentFilter.Labels) {
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return false, 0
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}
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// ignore internal labels for filtering
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for k := range labels {
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if strings.HasPrefix(k, pipeline.InternalLabelPrefix) {
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delete(labels, k)
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}
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}
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score := 0
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for taskLabel, taskLabelValue := range labels {
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// if a task label is empty it will be ignored
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if taskLabelValue == "" {
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continue
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}
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// all task labels are required to be present for an agent to match
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agentLabelValue, ok := agentFilter.Labels[taskLabel]
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if !ok {
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// Check for required label
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agentLabelValue, ok = agentFilter.Labels["!"+taskLabel]
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if !ok {
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return false, 0
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}
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}
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switch agentLabelValue {
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// if agent label has a wildcard
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case "*":
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score++
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// if agent label has an exact match
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case taskLabelValue:
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score += 10
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// agent doesn't match
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default:
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return false, 0
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}
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}
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return true, score
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}
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}
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func requiredLabelsMissing(taskLabels, agentLabels map[string]string) bool {
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for label, value := range agentLabels {
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if len(label) > 0 && label[0] == '!' {
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val, ok := taskLabels[label[1:]]
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if !ok || val != value {
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return true
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}
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}
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}
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return false
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}
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