forked from mudler/yip
/
environment.go
73 lines (62 loc) · 1.47 KB
/
environment.go
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package plugins
import (
"os"
"path/filepath"
"github.com/joho/godotenv"
"github.com/pkg/errors"
"github.com/twpayne/go-vfs/v4"
"github.com/rancher/yip/pkg/logger"
"github.com/rancher/yip/pkg/schema"
"github.com/rancher/yip/pkg/utils"
)
const environmentFile = "/etc/environment"
const envFilePerm uint32 = 0644
func Environment(l logger.Interface, s schema.Stage, fs vfs.FS, console Console) error {
if len(s.Environment) == 0 {
return nil
}
environment := s.EnvironmentFile
if environment == "" {
environment = environmentFile
}
parentDir := filepath.Dir(environment)
_, err := fs.Stat(parentDir)
if err != nil {
perm := envFilePerm
if perm < 0700 {
perm = perm + 0100
}
if err = EnsureDirectories(l, schema.Stage{
Directories: []schema.Directory{
{
Path: parentDir,
Permissions: perm,
Owner: os.Getuid(),
Group: os.Getgid(),
},
},
}, fs, console); err != nil {
return err
}
}
if err := utils.Touch(environment, os.ModePerm, fs); err != nil {
return errors.Wrap(err, "failed touching environment file")
}
content, err := fs.ReadFile(environment)
if err != nil {
return err
}
env, _ := godotenv.Unmarshal(string(content))
for key, val := range s.Environment {
env[key] = templateSysData(l, val)
}
p, err := fs.RawPath(environment)
if err != nil {
return err
}
err = godotenv.Write(env, p)
if err != nil {
return err
}
return fs.Chmod(environment, os.FileMode(envFilePerm))
}