90 lines
2.0 KiB
Go
90 lines
2.0 KiB
Go
// SPDX-License-Identifier: Apache-2.0
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// Copyright Authors of K9s
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package data
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import (
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"os"
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"sync"
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"github.com/derailed/k9s/internal/client"
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"k8s.io/client-go/tools/clientcmd/api"
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)
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// Context tracks K9s context configuration.
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type Context struct {
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ClusterName string `yaml:"cluster,omitempty"`
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ReadOnly *bool `yaml:"readOnly,omitempty"`
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Skin string `yaml:"skin,omitempty"`
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Namespace *Namespace `yaml:"namespace"`
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View *View `yaml:"view"`
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FeatureGates FeatureGates `yaml:"featureGates"`
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Proxy *Proxy `yaml:"proxy"`
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mx sync.RWMutex
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}
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// NewContext creates a new cluster configuration.
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func NewContext() *Context {
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return &Context{
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Namespace: NewNamespace(),
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View: NewView(),
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FeatureGates: NewFeatureGates(),
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}
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}
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// NewContextFromConfig returns a config based on a kubecontext.
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func NewContextFromConfig(cfg *api.Context) *Context {
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ct := NewContext()
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ct.Namespace, ct.ClusterName = NewActiveNamespace(cfg.Namespace), cfg.Cluster
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return ct
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}
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// NewContextFromKubeConfig returns a new instance based on kubesettings or an error.
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func NewContextFromKubeConfig(ks KubeSettings) (*Context, error) {
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ct, err := ks.CurrentContext()
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if err != nil {
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return nil, err
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}
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return NewContextFromConfig(ct), nil
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}
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func (c *Context) merge(old *Context) {
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if old == nil || old.Namespace == nil {
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return
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}
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if c.Namespace == nil {
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c.Namespace = NewNamespace()
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}
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c.Namespace.merge(old.Namespace)
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}
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func (c *Context) GetClusterName() string {
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c.mx.RLock()
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defer c.mx.RUnlock()
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return c.ClusterName
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}
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// Validate ensures a context config is tip top.
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func (c *Context) Validate(conn client.Connection, _, clusterName string) {
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c.mx.Lock()
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defer c.mx.Unlock()
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c.ClusterName = clusterName
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if b := os.Getenv(envFGNodeShell); b != "" {
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c.FeatureGates.NodeShell = defaultFGNodeShell()
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}
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if c.Namespace == nil {
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c.Namespace = NewNamespace()
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}
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c.Namespace.Validate(conn)
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if c.View == nil {
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c.View = NewView()
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}
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c.View.Validate()
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}
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