drone/types/devcontainer_config.go

124 lines
4.2 KiB
Go

// Copyright 2023 Harness, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package types
import (
"encoding/json"
"errors"
"strings"
)
//nolint:tagliatelle
type DevcontainerConfig struct {
Image string `json:"image,omitempty"`
PostCreateCommand LifecycleCommand `json:"postCreateCommand,omitempty"`
PostStartCommand LifecycleCommand `json:"postStartCommand,omitempty"`
ForwardPorts []json.Number `json:"forwardPorts,omitempty"`
ContainerEnv map[string]string `json:"containerEnv,omitempty"`
Customizations DevContainerConfigCustomizations `json:"customizations,omitempty"`
RunArgs []string `json:"runArgs,omitempty"`
ContainerUser string `json:"containerUser,omitempty"`
RemoteUser string `json:"remoteUser,omitempty"`
}
//nolint:tagliatelle
type LifecycleCommand struct {
CommandString string `json:"commandString,omitempty"`
CommandArray []string `json:"commandArray,omitempty"`
// Map to store commands by tags
CommandMap map[string]string `json:"commandMap,omitempty"`
CommandMapArray map[string][]string `json:"commandMapArray,omitempty"`
Discriminator string `json:"-"` // Tracks the original type for proper re-marshaling
}
// Constants for discriminator values.
const (
TypeString = "string"
TypeArray = "array"
TypeCommandMapString = "commandMap"
TypeCommandMapArray = "commandMapArray"
)
func (lc *LifecycleCommand) UnmarshalJSON(data []byte) error {
// Try to unmarshal as a single string
var commandStr string
if err := json.Unmarshal(data, &commandStr); err == nil {
lc.CommandString = commandStr
lc.Discriminator = TypeString
return nil
}
// Try to unmarshal as an array of strings
var commandArr []string
if err := json.Unmarshal(data, &commandArr); err == nil {
lc.CommandArray = commandArr
lc.Discriminator = TypeArray
return nil
}
// Try to unmarshal as a map of commands (tags to commands)
var commandMap map[string]string
if err := json.Unmarshal(data, &commandMap); err == nil {
lc.CommandMap = commandMap
lc.Discriminator = TypeCommandMapString
return nil
}
// Try to unmarshal as a CommandMapArray
var commandMapArray map[string][]string
if err := json.Unmarshal(data, &commandMapArray); err == nil {
lc.CommandMapArray = commandMapArray
lc.Discriminator = TypeCommandMapArray
return nil
}
return errors.New("invalid format: must be string, []string, map[string]string, or map[string][]string")
}
func (lc *LifecycleCommand) MarshalJSON() ([]byte, error) {
switch lc.Discriminator {
case TypeString:
return json.Marshal(lc.CommandString)
case TypeArray:
return json.Marshal(lc.CommandArray)
case TypeCommandMapString:
return json.Marshal(lc.CommandMap)
case TypeCommandMapArray:
return json.Marshal(lc.CommandMapArray)
default:
return nil, errors.New("unknown type for LifecycleCommand")
}
}
// ToCommandArray converts the LifecycleCommand into a slice of full commands.
func (lc *LifecycleCommand) ToCommandArray() []string {
switch {
case lc.CommandString != "":
return []string{lc.CommandString}
case lc.CommandArray != nil:
return []string{strings.Join(lc.CommandArray, " ")}
case lc.CommandMap != nil:
var commands []string
for _, command := range lc.CommandMap {
commands = append(commands, command)
}
return commands
case lc.CommandMapArray != nil:
var commands []string
for _, commandArray := range lc.CommandMapArray {
commands = append(commands, strings.Join(commandArray, " "))
}
return commands
default:
return nil
}
}