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package state
import (
"context"
"errors"
"io/ioutil"
"log"
"os"
"path/filepath"
"github.com/hetznercloud/hcloud-go/v2/hcloud"
)
type State struct {
Token string
Endpoint string
Context context.Context
Config *Config
ConfigPath string
Debug bool
DebugFilePath string
client *hcloud.Client
}
func New() *State {
s := &State{
Context: context.Background(),
Config: &Config{},
ConfigPath: DefaultConfigPath,
}
if p := os.Getenv("HCLOUD_CONFIG"); p != "" {
s.ConfigPath = p
}
return s
}
var ErrConfigPathUnknown = errors.New("config file path unknown")
func (c *State) ReadEnv() {
if s := os.Getenv("HCLOUD_TOKEN"); s != "" {
c.Token = s
}
if s := os.Getenv("HCLOUD_ENDPOINT"); s != "" {
c.Endpoint = s
}
if s := os.Getenv("HCLOUD_DEBUG"); s != "" {
c.Debug = true
}
if s := os.Getenv("HCLOUD_DEBUG_FILE"); s != "" {
c.DebugFilePath = s
}
if s := os.Getenv("HCLOUD_CONTEXT"); s != "" && c.Config != nil {
if cfgCtx := c.Config.ContextByName(s); cfgCtx != nil {
c.Config.ActiveContext = cfgCtx
c.Token = cfgCtx.Token
} else {
log.Printf("warning: context %q specified in HCLOUD_CONTEXT does not exist\n", s)
}
}
}
func (c *State) ReadConfig() error {
if c.ConfigPath == "" {
return ErrConfigPathUnknown
}
data, err := ioutil.ReadFile(c.ConfigPath)
if err != nil {
return err
}
if err = UnmarshalConfig(c.Config, data); err != nil {
return err
}
if c.Config.ActiveContext != nil {
c.Token = c.Config.ActiveContext.Token
}
if c.Config.Endpoint != "" {
c.Endpoint = c.Config.Endpoint
}
return nil
}
func (c *State) WriteConfig() error {
if c.ConfigPath == "" {
return ErrConfigPathUnknown
}
if c.Config == nil {
return nil
}
data, err := MarshalConfig(c.Config)
if err != nil {
return err
}
if err := os.MkdirAll(filepath.Dir(c.ConfigPath), 0777); err != nil {
return err
}
if err := ioutil.WriteFile(c.ConfigPath, data, 0600); err != nil {
return err
}
return nil
}
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