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|
package state
import (
"encoding/json"
"fmt"
"os"
"path/filepath"
)
// State represents the entire local deployment state
type State struct {
DefaultHost string `json:"default_host,omitempty"`
Hosts map[string]*Host `json:"hosts"`
}
// Host represents deployment state for a single VPS
type Host struct {
NextPort int `json:"next_port"`
BaseDomain string `json:"base_domain,omitempty"`
GitSetup bool `json:"git_setup,omitempty"`
Apps map[string]*App `json:"apps"`
}
// App represents a deployed application or static site
type App struct {
Type string `json:"type"` // "app", "static", "git-app", or "git-static"
Domain string `json:"domain"`
Port int `json:"port,omitempty"` // only for type="app" or "git-app"
Repo string `json:"repo,omitempty"` // only for git types, e.g. "/srv/git/foo.git"
Env map[string]string `json:"env,omitempty"` // only for type="app" or "git-app"
Args string `json:"args,omitempty"` // only for type="app"
Files []string `json:"files,omitempty"` // only for type="app"
Memory string `json:"memory,omitempty"` // only for type="app"
CPU string `json:"cpu,omitempty"` // only for type="app"
}
const (
startPort = 8001
)
// Load reads state from ~/.config/ship/state.json
func Load() (*State, error) {
path := statePath()
// If file doesn't exist, return empty state
if _, err := os.Stat(path); os.IsNotExist(err) {
return &State{
Hosts: make(map[string]*Host),
}, nil
}
data, err := os.ReadFile(path)
if err != nil {
return nil, fmt.Errorf("failed to read state file: %w", err)
}
var state State
if err := json.Unmarshal(data, &state); err != nil {
return nil, fmt.Errorf("failed to parse state file: %w", err)
}
// Initialize maps if nil
if state.Hosts == nil {
state.Hosts = make(map[string]*Host)
}
return &state, nil
}
// Save writes state to ~/.config/ship/state.json
func (s *State) Save() error {
path := statePath()
// Ensure directory exists
dir := filepath.Dir(path)
if err := os.MkdirAll(dir, 0755); err != nil {
return fmt.Errorf("failed to create config directory: %w", err)
}
data, err := json.MarshalIndent(s, "", " ")
if err != nil {
return fmt.Errorf("failed to marshal state: %w", err)
}
if err := os.WriteFile(path, data, 0600); err != nil {
return fmt.Errorf("failed to write state file: %w", err)
}
return nil
}
// GetHost returns the host state, creating it if it doesn't exist
func (s *State) GetHost(host string) *Host {
if s.Hosts[host] == nil {
s.Hosts[host] = &Host{
NextPort: startPort,
Apps: make(map[string]*App),
}
}
if s.Hosts[host].Apps == nil {
s.Hosts[host].Apps = make(map[string]*App)
}
return s.Hosts[host]
}
// AllocatePort returns the next available port for a host
func (s *State) AllocatePort(host string) int {
h := s.GetHost(host)
port := h.NextPort
h.NextPort++
return port
}
// AddApp adds or updates an app in the state
func (s *State) AddApp(host, name string, app *App) {
h := s.GetHost(host)
h.Apps[name] = app
}
// RemoveApp removes an app from the state
func (s *State) RemoveApp(host, name string) error {
h := s.GetHost(host)
if _, exists := h.Apps[name]; !exists {
return fmt.Errorf("app %s not found", name)
}
delete(h.Apps, name)
return nil
}
// GetApp returns an app from the state
func (s *State) GetApp(host, name string) (*App, error) {
h := s.GetHost(host)
app, exists := h.Apps[name]
if !exists {
return nil, fmt.Errorf("app %s not found", name)
}
return app, nil
}
// ListApps returns all apps for a host
func (s *State) ListApps(host string) map[string]*App {
h := s.GetHost(host)
return h.Apps
}
// GetDefaultHost returns the default host, or empty string if not set
func (s *State) GetDefaultHost() string {
return s.DefaultHost
}
// SetDefaultHost sets the default host
func (s *State) SetDefaultHost(host string) {
s.DefaultHost = host
}
// statePath returns the path to the state file
func statePath() string {
home, err := os.UserHomeDir()
if err != nil {
// Fallback to current directory (should rarely happen)
return ".ship-state.json"
}
return filepath.Join(home, ".config", "ship", "state.json")
}
|
