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context.go
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context.go
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package cluster
import (
"context"
"fmt"
"io/ioutil"
"os"
"path"
"github.com/airfocusio/hcloud-talos/internal/utils"
"github.com/hetznercloud/hcloud-go/hcloud"
"gopkg.in/yaml.v3"
)
type Cluster struct {
Ctx *context.Context
Client *hcloud.Client
Logger *utils.Logger
Dir string
Config Config
}
func (cl *Cluster) Create(logger *utils.Logger, clusterName string, hcloudLocation string, hcloudNetworkZone string, hcloudToken string) error {
ctx := context.Background()
cl.Ctx = &ctx
cl.Logger = logger
err := os.MkdirAll(cl.Dir, 0o775)
if err != nil {
return err
}
files, err := ioutil.ReadDir(cl.Dir)
if err != nil {
return err
} else if len(files) > 0 {
return fmt.Errorf("directory must be empty")
}
cl.Config.ClusterName = clusterName
cl.Config.Hcloud.Location = hcloudLocation
cl.Config.Hcloud.NetworkZone = hcloudNetworkZone
cl.Config.Hcloud.Token = hcloudToken
cl.Client = hcloud.NewClient(hcloud.WithToken(hcloudToken))
return nil
}
func (cl *Cluster) Load(configFile string, logger *utils.Logger) error {
ctx := context.Background()
cl.Ctx = &ctx
cl.Logger = logger
yamlBytes, err := ioutil.ReadFile(path.Join(cl.Dir, configFile))
if err != nil {
return err
}
err = yaml.Unmarshal(yamlBytes, &cl.Config)
if err != nil {
return err
}
cl.Client = hcloud.NewClient(hcloud.WithToken(cl.Config.Hcloud.Token))
return nil
}
func (cl Cluster) Save(configFile string) error {
yamlBytes, err := yaml.Marshal(&cl.Config)
if err != nil {
return err
}
err = ioutil.WriteFile(path.Join(cl.Dir, configFile), yamlBytes, 0o664)
if err != nil {
return err
}
return nil
}