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inject_scheduler.go
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inject_scheduler.go
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// Copyright 2019 Drone IO, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package main
import (
"github.com/drone/drone/cmd/drone-server/config"
"github.com/drone/drone/core"
"github.com/drone/drone/scheduler/kube"
"github.com/drone/drone/scheduler/nomad"
"github.com/drone/drone/scheduler/queue"
"github.com/google/wire"
"github.com/sirupsen/logrus"
)
// wire set for loading the scheduler.
var schedulerSet = wire.NewSet(
provideScheduler,
)
// provideScheduler is a Wire provider function that returns a
// scheduler based on the environment configuration.
func provideScheduler(store core.StageStore, config config.Config) core.Scheduler {
switch {
case config.Kube.Enabled:
return provideKubernetesScheduler(config)
case config.Nomad.Enabled:
return provideNomadScheduler(config)
default:
return provideQueueScheduler(store, config)
}
}
// provideKubernetesScheduler is a Wire provider function that
// returns a nomad kubernetes from the environment configuration.
func provideKubernetesScheduler(config config.Config) core.Scheduler {
logrus.Info("main: kubernetes scheduler enabled")
sched, err := kube.FromConfig(kube.Config{
Namespace: config.Kube.Namespace,
ServiceAccount: config.Kube.ServiceAccountName,
ConfigURL: config.Kube.URL,
ConfigPath: config.Kube.Path,
TTL: config.Kube.TTL,
Image: config.Kube.Image,
ImagePullPolicy: config.Kube.PullPolicy,
ImagePrivileged: config.Runner.Privileged,
// LimitMemory: config.Nomad.Memory,
// LimitCompute: config.Nomad.CPU,
// RequestMemory: config.Nomad.Memory,
// RequestCompute: config.Nomad.CPU,
CallbackHost: config.RPC.Host,
CallbackProto: config.RPC.Proto,
CallbackSecret: config.RPC.Secret,
SecretToken: config.Secrets.Password,
SecretEndpoint: config.Secrets.Endpoint,
SecretInsecure: config.Secrets.SkipVerify,
RegistryToken: config.Registries.Password,
RegistryEndpoint: config.Registries.Endpoint,
RegistryInsecure: config.Registries.SkipVerify,
LogDebug: config.Logging.Debug,
LogTrace: config.Logging.Trace,
LogPretty: config.Logging.Pretty,
LogText: config.Logging.Text,
})
if err != nil {
logrus.WithError(err).
Fatalln("main: cannot create kubernetes client")
}
return sched
}
// provideNomadScheduler is a Wire provider function that returns
// a nomad scheduler from the environment configuration.
func provideNomadScheduler(config config.Config) core.Scheduler {
logrus.Info("main: nomad scheduler enabled")
sched, err := nomad.FromConfig(nomad.Config{
Datacenter: config.Nomad.Datacenters,
Labels: config.Nomad.Labels,
Namespace: config.Nomad.Namespace,
Region: config.Nomad.Region,
DockerImage: config.Nomad.Image,
DockerImagePull: config.Nomad.ImagePull,
DockerImagePriv: config.Runner.Privileged,
DockerHost: "",
DockerHostWin: "",
// LimitMemory: config.Nomad.Memory,
// LimitCompute: config.Nomad.CPU,
RequestMemory: config.Nomad.Memory,
RequestCompute: config.Nomad.CPU,
CallbackHost: config.RPC.Host,
CallbackProto: config.RPC.Proto,
CallbackSecret: config.RPC.Secret,
SecretToken: config.Secrets.Password,
SecretEndpoint: config.Secrets.Endpoint,
SecretInsecure: config.Secrets.SkipVerify,
RegistryToken: config.Registries.Password,
RegistryEndpoint: config.Registries.Endpoint,
RegistryInsecure: config.Registries.SkipVerify,
LogDebug: config.Logging.Debug,
LogTrace: config.Logging.Trace,
LogPretty: config.Logging.Pretty,
LogText: config.Logging.Text,
})
if err != nil {
logrus.WithError(err).
Fatalln("main: cannot create nomad client")
}
return sched
}
// provideQueueScheduler is a Wire provider function that
// returns an in-memory scheduler for use by the built-in
// docker runner, and by remote agents.
func provideQueueScheduler(store core.StageStore, config config.Config) core.Scheduler {
logrus.Info("main: internal scheduler enabled")
return queue.New(store)
}