portainer/api/stacks/stackutils/env.go

35 lines
818 B
Go

package stackutils
import (
"maps"
"os"
"path"
"strings"
portainer "github.com/portainer/portainer/api"
"github.com/portainer/portainer/api/filesystem"
"github.com/compose-spec/compose-go/v2/dotenv"
)
// BuildEnvMap builds the environment variable map for stack validation/loading.
// Priority (lowest to highest): OS env → .env file → stack.Env
func BuildEnvMap(stack *portainer.Stack) map[string]string {
env := make(map[string]string, len(os.Environ()))
for _, e := range os.Environ() {
k, v, _ := strings.Cut(e, "=")
env[k] = v
}
dotEnvPath := filesystem.JoinPaths(stack.ProjectPath, path.Dir(stack.EntryPoint), ".env")
if dotVars, err := dotenv.Read(dotEnvPath); err == nil {
maps.Copy(env, dotVars)
}
for _, pair := range stack.Env {
env[pair.Name] = pair.Value
}
return env
}