go/pkg/devops/config.go

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package devops
import (
"os"
"path/filepath"
"gopkg.in/yaml.v3"
)
// Config holds global devops configuration from ~/.core/config.yaml.
type Config struct {
Version int `yaml:"version"`
Images ImagesConfig `yaml:"images"`
}
// ImagesConfig holds image source configuration.
type ImagesConfig struct {
Source string `yaml:"source"` // auto, github, registry, cdn
GitHub GitHubConfig `yaml:"github,omitempty"`
Registry RegistryConfig `yaml:"registry,omitempty"`
CDN CDNConfig `yaml:"cdn,omitempty"`
}
// GitHubConfig holds GitHub Releases configuration.
type GitHubConfig struct {
Repo string `yaml:"repo"` // owner/repo format
}
// RegistryConfig holds container registry configuration.
type RegistryConfig struct {
Image string `yaml:"image"` // e.g., ghcr.io/host-uk/core-devops
}
// CDNConfig holds CDN/S3 configuration.
type CDNConfig struct {
URL string `yaml:"url"` // base URL for downloads
}
// DefaultConfig returns sensible defaults.
func DefaultConfig() *Config {
return &Config{
Version: 1,
Images: ImagesConfig{
Source: "auto",
GitHub: GitHubConfig{
Repo: "host-uk/core-images",
},
Registry: RegistryConfig{
Image: "ghcr.io/host-uk/core-devops",
},
},
}
}
// ConfigPath returns the path to the config file.
func ConfigPath() (string, error) {
home, err := os.UserHomeDir()
if err != nil {
return "", err
}
return filepath.Join(home, ".core", "config.yaml"), nil
}
// LoadConfig loads configuration from ~/.core/config.yaml.
// Returns default config if file doesn't exist.
func LoadConfig() (*Config, error) {
configPath, err := ConfigPath()
if err != nil {
return DefaultConfig(), nil
}
data, err := os.ReadFile(configPath)
if err != nil {
if os.IsNotExist(err) {
return DefaultConfig(), nil
}
return nil, err
}
cfg := DefaultConfig()
if err := yaml.Unmarshal(data, cfg); err != nil {
return nil, err
}
return cfg, nil
}