/
config.go
105 lines (80 loc) · 2.77 KB
/
config.go
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package config
import (
"encoding/json"
"fmt"
"os"
"path/filepath"
"github.com/zitadel/oidc/v2/pkg/oidc"
"github.com/canonical/lxd/shared"
)
// Config holds settings to be used by a client or daemon.
type Config struct {
// DefaultRemote holds the remote daemon name from the Remotes map
// that the client should communicate with by default
DefaultRemote string `yaml:"default-remote"`
// Remotes defines a map of remote daemon names to the details for
// communication with the named daemon
Remotes map[string]Remote `yaml:"remotes"`
// Command line aliases for `lxc`
Aliases map[string]string `yaml:"aliases"`
// Configuration directory
ConfigDir string `yaml:"-"`
// The UserAgent to pass for all queries
UserAgent string `yaml:"-"`
// PromptPassword is a helper function used when encountering an encrypted key
PromptPassword func(filename string) (string, error) `yaml:"-"`
// ProjectOverride allows overriding the default project
ProjectOverride string `yaml:"-"`
// OIDC tokens
oidcTokens map[string]*oidc.Tokens[*oidc.IDTokenClaims]
}
// GlobalConfigPath returns a joined path of the global configuration directory and passed arguments.
func (c *Config) GlobalConfigPath(paths ...string) string {
configDir := "/etc/lxd"
if os.Getenv("LXD_GLOBAL_CONF") != "" {
configDir = os.Getenv("LXD_GLOBAL_CONF")
}
path := []string{configDir}
path = append(path, paths...)
return filepath.Join(path...)
}
// ConfigPath returns a joined path of the configuration directory and passed arguments.
func (c *Config) ConfigPath(paths ...string) string {
path := []string{c.ConfigDir}
path = append(path, paths...)
return filepath.Join(path...)
}
// ServerCertPath returns the path for the remote's server certificate.
func (c *Config) ServerCertPath(remote string) string {
if c.Remotes[remote].Global {
return c.GlobalConfigPath("servercerts", fmt.Sprintf("%s.crt", remote))
}
return c.ConfigPath("servercerts", fmt.Sprintf("%s.crt", remote))
}
// OIDCTokenPath returns the path for the remote's OIDC tokens.
func (c *Config) OIDCTokenPath(remote string) string {
return c.ConfigPath("oidctokens", fmt.Sprintf("%s.json", remote))
}
// SaveOIDCTokens saves OIDC tokens to disk.
func (c *Config) SaveOIDCTokens() {
tokenParentPath := c.ConfigPath("oidctokens")
if !shared.PathExists(tokenParentPath) {
_ = os.MkdirAll(tokenParentPath, 0755)
}
for remote, tokens := range c.oidcTokens {
tokenPath := c.OIDCTokenPath(remote)
data, _ := json.Marshal(tokens)
_ = os.WriteFile(tokenPath, data, 0600)
}
}
// NewConfig returns a Config, optionally using default remotes.
func NewConfig(configDir string, defaults bool) *Config {
var config *Config
if defaults {
config = DefaultConfig()
} else {
config = &Config{}
}
config.ConfigDir = configDir
return config
}