ce3c917ae5
This change adds the ability to specify the pool balancing strategy to use when processing queued jobs. Before this change, GARM would round-robin through all pools that matched the set of tags requested by queued jobs. When round-robin (default) is used for an entity (repo, org or enterprise) and you have 2 pools defined for that entity with a common set of tags that match 10 jobs (for example), then those jobs would trigger the creation of a new runner in each of the two pools in turn. Job 1 would go to pool 1, job 2 would go to pool 2, job 3 to pool 1, job 4 to pool 2 and so on. When "stack" is used, those same 10 jobs would trigger the creation of a new runner in the pool with the highest priority, every time. In both cases, if a pool is full, the next one would be tried automatically. For the stack case, this would mean that if pool 2 had a priority of 10 and pool 1 would have a priority of 5, pool 2 would be saturated first, then pool 1. Signed-off-by: Gabriel Adrian Samfira <gsamfira@cloudbasesolutions.com>
55 lines
1.9 KiB
Go
55 lines
1.9 KiB
Go
// Copyright 2022 Cloudbase Solutions SRL
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may
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// not use this file except in compliance with the License. You may obtain
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// 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, WITHOUT
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// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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// License for the specific language governing permissions and limitations
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// under the License.
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package pool
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import (
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"context"
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"github.com/google/go-github/v57/github"
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commonParams "github.com/cloudbase/garm-provider-common/params"
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"github.com/cloudbase/garm/params"
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"github.com/cloudbase/garm/runner/common"
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)
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type poolHelper interface {
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GetGithubRunners() ([]*github.Runner, error)
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GetGithubRegistrationToken() (string, error)
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GetRunnerInfoFromWorkflow(job params.WorkflowJob) (params.RunnerInfo, error)
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RemoveGithubRunner(runnerID int64) (*github.Response, error)
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FetchTools() ([]commonParams.RunnerApplicationDownload, error)
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InstallHook(ctx context.Context, req *github.Hook) (params.HookInfo, error)
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UninstallHook(ctx context.Context, url string) error
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GetHookInfo(ctx context.Context) (params.HookInfo, error)
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GithubCLI() common.GithubClient
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GetJITConfig(ctx context.Context, instanceName string, pool params.Pool, labels []string) (map[string]string, *github.Runner, error)
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FetchDbInstances() ([]params.Instance, error)
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ListPools() ([]params.Pool, error)
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GithubURL() string
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JwtToken() string
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String() string
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FindPoolByTags(labels []string) (params.Pool, error)
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GetPoolByID(poolID string) (params.Pool, error)
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ValidateOwner(job params.WorkflowJob) error
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UpdateState(param params.UpdatePoolStateParams) error
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WebhookSecret() string
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ID() string
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PoolType() params.PoolType
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PoolBalancerType() params.PoolBalancerType
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}
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