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localconfig.go
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localconfig.go
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package localconfig
import (
"fmt"
"os"
"os/user"
"path"
"github.com/argoproj/argo-cd/util/cli"
)
// LocalConfig is a local ArgoCD config file
type LocalConfig struct {
CurrentContext string `json:"current-context"`
Contexts []ContextRef `json:"contexts"`
Servers []Server `json:"servers"`
Users []User `json:"users"`
}
// ContextRef is a reference to a Server and User for an API client
type ContextRef struct {
Name string `json:"name"`
Server string `json:"server"`
User string `json:"user"`
}
// Context is the resolved Server and User objects resolved
type Context struct {
Name string
Server Server
User User
}
// Server contains ArgoCD server information
type Server struct {
// Server is the ArgoCD server address
Server string `json:"server"`
// Insecure indicates to connect to the server over TLS insecurely
Insecure bool `json:"insecure,omitempty"`
// CACertificateAuthorityData is the base64 string of a PEM encoded certificate
// TODO: not yet implemented
CACertificateAuthorityData string `json:"certificate-authority-data,omitempty"`
// PlainText indicates to connect with TLS disabled
PlainText bool `json:"plain-text,omitempty"`
}
// User contains user authentication information
type User struct {
Name string `json:"name"`
AuthToken string `json:"auth-token,omitempty"`
}
// ReadLocalConfig loads up the local configuration file. Returns nil if config does not exist
func ReadLocalConfig(path string) (*LocalConfig, error) {
var err error
var config LocalConfig
err = cli.UnmarshalLocalFile(path, &config)
if os.IsNotExist(err) {
return nil, nil
}
err = ValidateLocalConfig(config)
if err != nil {
return nil, err
}
return &config, nil
}
func ValidateLocalConfig(config LocalConfig) error {
if config.CurrentContext == "" {
return fmt.Errorf("Local config invalid: current-context unset")
}
if _, err := config.ResolveContext(config.CurrentContext); err != nil {
return fmt.Errorf("Local config invalid: %s", err)
}
return nil
}
// WriteLocalConfig writes a new local configuration file.
func WriteLocalConfig(config LocalConfig, configPath string) error {
err := os.MkdirAll(path.Dir(configPath), os.ModePerm)
if err != nil {
return err
}
return cli.MarshalLocalYAMLFile(configPath, config)
}
// ResolveContext resolves the specified context. If unspecified, resolves the current context
func (l *LocalConfig) ResolveContext(name string) (*Context, error) {
if name == "" {
name = l.CurrentContext
}
for _, ctx := range l.Contexts {
if ctx.Name == name {
server, err := l.GetServer(ctx.Server)
if err != nil {
return nil, err
}
user, err := l.GetUser(ctx.User)
if err != nil {
return nil, err
}
return &Context{
Name: ctx.Name,
Server: *server,
User: *user,
}, nil
}
}
return nil, fmt.Errorf("Context '%s' undefined", name)
}
func (l *LocalConfig) GetServer(name string) (*Server, error) {
for _, s := range l.Servers {
if s.Server == name {
return &s, nil
}
}
return nil, fmt.Errorf("Server '%s' undefined", name)
}
func (l *LocalConfig) UpsertServer(server Server) {
for i, s := range l.Servers {
if s.Server == server.Server {
l.Servers[i] = server
return
}
}
l.Servers = append(l.Servers, server)
}
func (l *LocalConfig) GetUser(name string) (*User, error) {
for _, u := range l.Users {
if u.Name == name {
return &u, nil
}
}
return nil, fmt.Errorf("User '%s' undefined", name)
}
func (l *LocalConfig) UpsertUser(user User) {
for i, u := range l.Users {
if u.Name == user.Name {
l.Users[i] = user
return
}
}
l.Users = append(l.Users, user)
}
func (l *LocalConfig) UpsertContext(context ContextRef) {
for i, c := range l.Contexts {
if c.Name == context.Name {
l.Contexts[i] = context
return
}
}
l.Contexts = append(l.Contexts, context)
}
// DefaultConfigDir returns the local configuration path for settings such as cached authentication tokens.
func DefaultConfigDir() (string, error) {
usr, err := user.Current()
if err != nil {
return "", err
}
return path.Join(usr.HomeDir, ".argocd"), nil
}
// DefaultLocalConfigPath returns the local configuration path for settings such as cached authentication tokens.
func DefaultLocalConfigPath() (string, error) {
dir, err := DefaultConfigDir()
if err != nil {
return "", err
}
return path.Join(dir, "config"), nil
}