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Implement CacheFSRuntime engine and controller
Fixes: fluid-cloudnative#3674 Signed-off-by: Eryu Guan <[email protected]>
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/* | ||
Copyright 2024 The Fluid Authors. | ||
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. | ||
*/ | ||
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package app | ||
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import ( | ||
"os" | ||
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"github.com/spf13/cobra" | ||
zapOpt "go.uber.org/zap" | ||
"go.uber.org/zap/zapcore" | ||
corev1 "k8s.io/api/core/v1" | ||
rbacv1 "k8s.io/api/rbac/v1" | ||
"k8s.io/apimachinery/pkg/runtime" | ||
"k8s.io/apimachinery/pkg/util/net" | ||
clientgoscheme "k8s.io/client-go/kubernetes/scheme" | ||
"k8s.io/client-go/rest" | ||
ctrl "sigs.k8s.io/controller-runtime" | ||
"sigs.k8s.io/controller-runtime/pkg/cache" | ||
"sigs.k8s.io/controller-runtime/pkg/client" | ||
"sigs.k8s.io/controller-runtime/pkg/controller" | ||
"sigs.k8s.io/controller-runtime/pkg/log/zap" | ||
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"github.com/fluid-cloudnative/fluid/pkg/controllers" | ||
"github.com/fluid-cloudnative/fluid/pkg/ddc/base/portallocator" | ||
"github.com/fluid-cloudnative/fluid/pkg/utils" | ||
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"github.com/fluid-cloudnative/fluid" | ||
datav1alpha1 "github.com/fluid-cloudnative/fluid/api/v1alpha1" | ||
cachefsctl "github.com/fluid-cloudnative/fluid/pkg/controllers/v1alpha1/cachefs" | ||
"github.com/fluid-cloudnative/fluid/pkg/ddc/base" | ||
"github.com/fluid-cloudnative/fluid/pkg/ddc/cachefs" | ||
) | ||
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var ( | ||
scheme = runtime.NewScheme() | ||
setupLog = ctrl.Log.WithName("setup") | ||
// Use compiler to check if the struct implements all the interface | ||
_ base.Implement = (*cachefs.CacheFSEngine)(nil) | ||
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eventDriven bool | ||
metricsAddr string | ||
enableLeaderElection bool | ||
leaderElectionNamespace string | ||
development bool | ||
portRange string | ||
maxConcurrentReconciles int | ||
pprofAddr string | ||
portAllocatePolicy string | ||
) | ||
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var startCmd = &cobra.Command{ | ||
Use: "start", | ||
Short: "start cachefsruntime-controller in Kubernetes", | ||
Run: func(cmd *cobra.Command, args []string) { | ||
handle() | ||
}, | ||
} | ||
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func init() { | ||
_ = clientgoscheme.AddToScheme(scheme) | ||
_ = datav1alpha1.AddToScheme(scheme) | ||
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startCmd.Flags().StringVarP(&metricsAddr, "metrics-addr", "", ":8080", "The address the metric endpoint binds to.") | ||
startCmd.Flags().BoolVarP(&enableLeaderElection, "enable-leader-election", "", false, "Enable leader election for controller manager. Enabling this will ensure there is only one active controller manager.") | ||
startCmd.Flags().StringVarP(&leaderElectionNamespace, "leader-election-namespace", "", "fluid-system", "The namespace in which the leader election resource will be created.") | ||
startCmd.Flags().StringVarP(&pprofAddr, "pprof-addr", "", "", "The address for pprof to use while exporting profiling results") | ||
startCmd.Flags().BoolVarP(&development, "development", "", true, "Enable development mode for fluid controller.") | ||
startCmd.Flags().BoolVar(&eventDriven, "event-driven", true, "The reconciler's loop strategy. if it's false, it indicates period driven.") | ||
startCmd.Flags().StringVar(&portRange, "runtime-node-port-range", "14000-15999", "Set available port range for CacheFS") | ||
startCmd.Flags().StringVar(&portAllocatePolicy, "port-allocate-policy", "random", "Set port allocating policy, available choice is bitmap or random(default random).") | ||
startCmd.Flags().IntVar(&maxConcurrentReconciles, "runtime-workers", 3, "Set max concurrent workers for CacheFSRuntime controller") | ||
} | ||
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func handle() { | ||
fluid.LogVersion() | ||
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ctrl.SetLogger(zap.New(func(o *zap.Options) { | ||
o.Development = development | ||
}, func(o *zap.Options) { | ||
o.ZapOpts = append(o.ZapOpts, zapOpt.AddCaller()) | ||
}, func(o *zap.Options) { | ||
if !development { | ||
encCfg := zapOpt.NewProductionEncoderConfig() | ||
encCfg.EncodeLevel = zapcore.CapitalLevelEncoder | ||
encCfg.EncodeTime = zapcore.ISO8601TimeEncoder | ||
o.Encoder = zapcore.NewConsoleEncoder(encCfg) | ||
} | ||
})) | ||
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utils.NewPprofServer(setupLog, pprofAddr, development) | ||
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NewControllerClient := func(cache cache.Cache, config *rest.Config, options client.Options, uncachedObjects ...client.Object) (client.Client, error) { | ||
return controllers.NewFluidControllerClient(cache, config, options, | ||
append(uncachedObjects, &rbacv1.RoleBinding{}, &rbacv1.Role{}, &corev1.ServiceAccount{})..., | ||
) | ||
} | ||
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mgr, err := ctrl.NewManager(ctrl.GetConfigOrDie(), ctrl.Options{ | ||
Scheme: scheme, | ||
MetricsBindAddress: metricsAddr, | ||
LeaderElection: enableLeaderElection, | ||
LeaderElectionNamespace: leaderElectionNamespace, | ||
LeaderElectionID: "cachefs.data.fluid.io", | ||
Port: 9443, | ||
NewCache: cachefsctl.NewCache(scheme), | ||
NewClient: NewControllerClient, | ||
}) | ||
if err != nil { | ||
setupLog.Error(err, "unable to start cachefsruntime manager") | ||
os.Exit(1) | ||
} | ||
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controllerOptions := controller.Options{ | ||
MaxConcurrentReconciles: maxConcurrentReconciles, | ||
} | ||
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if err = (cachefsctl.NewRuntimeReconciler(mgr.GetClient(), | ||
ctrl.Log.WithName("cachefsctl").WithName("CacheFSRuntime"), | ||
mgr.GetScheme(), | ||
mgr.GetEventRecorderFor("CacheFSRuntime"), | ||
)).SetupWithManager(mgr, controllerOptions, eventDriven); err != nil { | ||
setupLog.Error(err, "unable to create controller", "controller", "CacheFSRuntime") | ||
os.Exit(1) | ||
} | ||
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pr, err := net.ParsePortRange(portRange) | ||
if err != nil { | ||
setupLog.Error(err, "can't parse port range. Port range must be like <min>-<max>") | ||
os.Exit(1) | ||
} | ||
setupLog.Info("port range parsed", "port range", pr.String()) | ||
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err = portallocator.SetupRuntimePortAllocator(mgr.GetClient(), pr, portAllocatePolicy, cachefs.GetReservedPorts) | ||
if err != nil { | ||
setupLog.Error(err, "failed to setup runtime port allocator") | ||
os.Exit(1) | ||
} | ||
setupLog.Info("Set up runtime port allocator", "policy", portAllocatePolicy) | ||
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setupLog.Info("starting cachefsruntime-controller") | ||
if err := mgr.Start(ctrl.SetupSignalHandler()); err != nil { | ||
setupLog.Error(err, "problem cachefsruntime-controller") | ||
os.Exit(1) | ||
} | ||
} |
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/* | ||
Copyright 2024 The Fluid Authors. | ||
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. | ||
*/ | ||
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package app | ||
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import "github.com/spf13/cobra" | ||
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func NewCacheFSControllerCommand() *cobra.Command { | ||
cmd := &cobra.Command{ | ||
Use: "cachefsruntime-controller", | ||
Short: "Controller for cachefsruntime", | ||
} | ||
cmd.AddCommand(startCmd) | ||
cmd.AddCommand(versionCmd) | ||
return cmd | ||
} |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,38 @@ | ||
/* | ||
Copyright 2024 The Fluid Authors. | ||
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. | ||
*/ | ||
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package app | ||
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import ( | ||
"github.com/fluid-cloudnative/fluid" | ||
"github.com/spf13/cobra" | ||
) | ||
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var ( | ||
short bool | ||
) | ||
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func init() { | ||
versionCmd.Flags().BoolVar(&short, "short", false, "print just the short version info") | ||
} | ||
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var versionCmd = &cobra.Command{ | ||
Use: "version", | ||
Short: "print version information", | ||
Run: func(cmd *cobra.Command, args []string) { | ||
fluid.PrintVersion(short) | ||
}, | ||
} |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,32 @@ | ||
/* | ||
Copyright 2024 The Fluid Authors. | ||
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. | ||
*/ | ||
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package main | ||
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import ( | ||
"fmt" | ||
"os" | ||
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"github.com/fluid-cloudnative/fluid/cmd/cachefs/app" | ||
) | ||
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func main() { | ||
cmd := app.NewCacheFSControllerCommand() | ||
if err := cmd.Execute(); err != nil { | ||
fmt.Fprintf(os.Stderr, "%s", err.Error()) | ||
os.Exit(1) | ||
} | ||
} |
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