70 lines
1.4 KiB
Go
70 lines
1.4 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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"errors"
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"os"
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"path/filepath"
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"github.com/rs/zerolog/log"
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"gopkg.in/yaml.v2"
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"k8s.io/client-go/tools/clientcmd/api"
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)
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// Dir tracks context configurations.
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type Dir struct {
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root string
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}
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// NewDir returns a new instance.
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func NewDir(root string) *Dir {
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return &Dir{
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root: root,
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}
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}
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// Load loads context configuration.
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func (d *Dir) Load(n string, ct *api.Context) (*Config, error) {
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if ct == nil {
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return nil, errors.New("api.Context must not be nil")
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}
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var (
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path = filepath.Join(d.root, SanitizeContextSubpath(ct.Cluster, n), MainConfigFile)
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cfg *Config
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err error
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)
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if f, e := os.Stat(path); os.IsNotExist(e) || f.Size() == 0 {
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log.Debug().Msgf("Context config not found! Generating... %q", path)
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cfg, err = d.genConfig(path, ct)
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} else {
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log.Debug().Msgf("Found existing context config: %q", path)
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cfg, err = d.loadConfig(path)
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}
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return cfg, err
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}
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func (d *Dir) genConfig(path string, ct *api.Context) (*Config, error) {
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cfg := NewConfig(ct)
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if err := cfg.Save(path); err != nil {
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return nil, err
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}
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return cfg, nil
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}
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func (d *Dir) loadConfig(path string) (*Config, error) {
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bb, err := os.ReadFile(path)
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if err != nil {
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return nil, err
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}
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var cfg Config
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if err := yaml.Unmarshal(bb, &cfg); err != nil {
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return nil, err
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}
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return &cfg, nil
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}
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