forked from secretflow/kuscia
/
opts.go
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/
opts.go
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// Copyright 2023 Ant Group Co., Ltd.
//
// 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 commands
import (
"os"
"time"
"github.com/spf13/pflag"
corev1 "k8s.io/api/core/v1"
"github.com/secretflow/kuscia/pkg/utils/nlog"
)
// Defaults for root command options
const (
DefaultInformerResyncPeriod = 1 * time.Minute
DefaultKubeNamespace = corev1.NamespaceDefault
)
// Opts stores all the options for configuring the root command.
// It is used for setting flag values.
//
// You can set the default options by creating a new `Opts` struct and passing
// it into `SetDefaultOpts`
type Opts struct {
// Namespace is used to watch for pods and other resources.
Namespace string
// NodeName is used when creating a node in Kubernetes.
NodeName string
// KeepNodeOnExit is used to identify whether information needs to be retained in k8s
KeepNodeOnExit bool
// AgentConfigFile is path of agent configuration file.
AgentConfigFile string
APIVersion string
AgentVersion string
}
// SetDefaultOpts sets default options for unset values on the passed in option struct.
// Fields tht are already set will not be modified.
func SetDefaultOpts(c *Opts) {
c.Namespace = DefaultKubeNamespace
// node name
var err error
if c.NodeName, err = os.Hostname(); err != nil {
nlog.Fatalf("Cannot get hostname: %v", err)
os.Exit(-1)
}
}
func installFlags(flags *pflag.FlagSet, c *Opts) {
flags.StringVarP(&c.Namespace, "namespace", "n", c.Namespace, "kubernetes namespace")
flags.StringVar(&c.NodeName, "name", c.NodeName, "kubernetes node name")
flags.StringVarP(&c.AgentConfigFile, "agent-config", "c", c.AgentConfigFile, "Additional agent config file")
flags.BoolVar(&c.KeepNodeOnExit, "keep-node", true, "keep node info in k8s master after agent exit")
}