119 lines
2.6 KiB
Go
119 lines
2.6 KiB
Go
package config
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import (
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"github.com/derailed/k9s/internal/k8s"
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)
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const (
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defaultRefreshRate = 2
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defaultLogRequestSize = 200
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defaultLogBufferSize = 1000
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)
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// K9s tracks K9s configuration options.
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type K9s struct {
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RefreshRate int `yaml:"refreshRate"`
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manualRefreshRate int
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LogBufferSize int `yaml:"logBufferSize"`
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LogRequestSize int `yaml:"logRequestSize"`
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CurrentContext string `yaml:"currentContext"`
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CurrentCluster string `yaml:"currentCluster"`
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Clusters map[string]*Cluster `yaml:"clusters,omitempty"`
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Aliases map[string]string `yaml:"aliases,omitempty"`
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}
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// NewK9s create a new K9s configuration.
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func NewK9s() *K9s {
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return &K9s{
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RefreshRate: defaultRefreshRate,
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LogBufferSize: defaultLogBufferSize,
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LogRequestSize: defaultLogRequestSize,
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Clusters: map[string]*Cluster{},
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Aliases: map[string]string{},
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}
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}
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// OverrideRefreshRate set the refresh rate manually.
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func (k *K9s) OverrideRefreshRate(r int) {
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k.manualRefreshRate = r
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}
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// GetRefreshRate returns the current refresh rate.
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func (k *K9s) GetRefreshRate() int {
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rate := k.RefreshRate
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if k.manualRefreshRate != 0 {
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rate = k.manualRefreshRate
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}
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return rate
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}
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// ActiveCluster returns the currently active cluster.
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func (k *K9s) ActiveCluster() *Cluster {
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if k.Clusters == nil {
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k.Clusters = map[string]*Cluster{}
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}
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if c, ok := k.Clusters[k.CurrentCluster]; ok {
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return c
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}
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k.Clusters[k.CurrentCluster] = NewCluster()
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return k.Clusters[k.CurrentCluster]
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}
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func (k *K9s) validateDefaults() {
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if k.RefreshRate <= 0 {
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k.RefreshRate = defaultRefreshRate
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}
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if k.LogBufferSize <= 0 {
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k.LogBufferSize = defaultLogBufferSize
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}
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if k.LogRequestSize <= 0 {
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k.LogRequestSize = defaultLogRequestSize
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}
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}
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func (k *K9s) checkClusters(ks KubeSettings) {
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cc, err := ks.ClusterNames()
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if err != nil {
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return
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}
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for key := range k.Clusters {
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if InList(cc, key) {
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continue
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}
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if k.CurrentCluster == key {
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k.CurrentCluster = ""
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}
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delete(k.Clusters, key)
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}
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}
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// Validate the current configuration.
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func (k *K9s) Validate(c k8s.Connection, ks KubeSettings) {
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k.validateDefaults()
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if k.Clusters == nil {
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k.Clusters = map[string]*Cluster{}
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}
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k.checkClusters(ks)
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if ctx, err := ks.CurrentContextName(); err == nil && len(k.CurrentContext) == 0 {
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k.CurrentContext = ctx
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k.CurrentCluster = ""
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}
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if cl, err := ks.CurrentClusterName(); err == nil && len(k.CurrentCluster) == 0 {
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k.CurrentCluster = cl
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}
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if _, ok := k.Clusters[k.CurrentCluster]; !ok {
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k.Clusters[k.CurrentCluster] = NewCluster()
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}
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k.Clusters[k.CurrentCluster].Validate(c, ks)
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}
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