package heroku import ( "fmt" "log" "github.com/cyberdelia/heroku-go/v3" "github.com/hashicorp/go-multierror" "github.com/hashicorp/terraform/helper/schema" ) // type application is used to store all the details of a heroku app type application struct { Id string // Id of the resource App *heroku.App // The heroku application Client *heroku.Service // Client to interact with the heroku API Vars map[string]string // The vars on the application } // Updates the application to have the latest from remote func (a *application) Update() error { var errs []error var err error a.App, err = a.Client.AppInfo(a.Id) if err != nil { errs = append(errs, err) } a.Vars, err = retrieveConfigVars(a.Id, a.Client) if err != nil { errs = append(errs, err) } if len(errs) > 0 { return &multierror.Error{Errors: errs} } return nil } func resourceHerokuApp() *schema.Resource { return &schema.Resource{ Create: switchHerokuAppCreate, Read: resourceHerokuAppRead, Update: resourceHerokuAppUpdate, Delete: resourceHerokuAppDelete, Schema: map[string]*schema.Schema{ "name": &schema.Schema{ Type: schema.TypeString, Required: true, }, "region": &schema.Schema{ Type: schema.TypeString, Required: true, ForceNew: true, }, "stack": &schema.Schema{ Type: schema.TypeString, Optional: true, Computed: true, ForceNew: true, }, "config_vars": &schema.Schema{ Type: schema.TypeList, Optional: true, Elem: &schema.Schema{ Type: schema.TypeMap, }, }, "all_config_vars": &schema.Schema{ Type: schema.TypeMap, Computed: true, }, "git_url": &schema.Schema{ Type: schema.TypeString, Computed: true, }, "web_url": &schema.Schema{ Type: schema.TypeString, Computed: true, }, "heroku_hostname": &schema.Schema{ Type: schema.TypeString, Computed: true, }, "organization": &schema.Schema{ Description: "Name of Organization to create application in. Leave blank for personal apps.", Type: schema.TypeList, Optional: true, ForceNew: true, Elem: &schema.Resource{ Schema: map[string]*schema.Schema{ "name": &schema.Schema{ Type: schema.TypeString, Required: true, }, "locked": &schema.Schema{ Type: schema.TypeBool, Optional: true, }, "personal": &schema.Schema{ Type: schema.TypeBool, Optional: true, }, }, }, }, }, } } func switchHerokuAppCreate(d *schema.ResourceData, meta interface{}) error { orgCount := d.Get("organization.#").(int) if orgCount > 1 { return fmt.Errorf("Error Creating Heroku App: Only 1 Heroku Organization is permitted") } if _, ok := d.GetOk("organization.0.name"); ok { return resourceHerokuOrgAppCreate(d, meta) } else { return resourceHerokuAppCreate(d, meta) } } func resourceHerokuAppCreate(d *schema.ResourceData, meta interface{}) error { client := meta.(*heroku.Service) // Build up our creation options opts := heroku.AppCreateOpts{} if v, ok := d.GetOk("name"); ok { vs := v.(string) log.Printf("[DEBUG] App name: %s", vs) opts.Name = &vs } if v, ok := d.GetOk("region"); ok { vs := v.(string) log.Printf("[DEBUG] App region: %s", vs) opts.Region = &vs } if v, ok := d.GetOk("stack"); ok { vs := v.(string) log.Printf("[DEBUG] App stack: %s", vs) opts.Stack = &vs } log.Printf("[DEBUG] Creating Heroku app...") a, err := client.AppCreate(opts) if err != nil { return err } d.SetId(a.Name) log.Printf("[INFO] App ID: %s", d.Id()) if v, ok := d.GetOk("config_vars"); ok { err = updateConfigVars(d.Id(), client, nil, v.([]interface{})) if err != nil { return err } } return resourceHerokuAppRead(d, meta) } func resourceHerokuOrgAppCreate(d *schema.ResourceData, meta interface{}) error { client := meta.(*heroku.Service) // Build up our creation options opts := heroku.OrganizationAppCreateOpts{} if v := d.Get("organization.0.name"); v != nil { vs := v.(string) log.Printf("[DEBUG] Organization name: %s", vs) opts.Organization = &vs } if v := d.Get("organization.0.personal"); v != nil { vs := v.(bool) log.Printf("[DEBUG] Organization Personal: %t", vs) opts.Personal = &vs } if v := d.Get("organization.0.locked"); v != nil { vs := v.(bool) log.Printf("[DEBUG] Organization locked: %t", vs) opts.Locked = &vs } if v := d.Get("name"); v != nil { vs := v.(string) log.Printf("[DEBUG] App name: %s", vs) opts.Name = &vs } if v, ok := d.GetOk("region"); ok { vs := v.(string) log.Printf("[DEBUG] App region: %s", vs) opts.Region = &vs } if v, ok := d.GetOk("stack"); ok { vs := v.(string) log.Printf("[DEBUG] App stack: %s", vs) opts.Stack = &vs } log.Printf("[DEBUG] Creating Heroku app...") a, err := client.OrganizationAppCreate(opts) if err != nil { return err } d.SetId(a.Name) log.Printf("[INFO] App ID: %s", d.Id()) if v, ok := d.GetOk("config_vars"); ok { err = updateConfigVars(d.Id(), client, nil, v.([]interface{})) if err != nil { return err } } return resourceHerokuAppRead(d, meta) } func resourceHerokuAppRead(d *schema.ResourceData, meta interface{}) error { client := meta.(*heroku.Service) app, err := resourceHerokuAppRetrieve(d.Id(), client) if err != nil { return err } // Only set the config_vars that we have set in the configuration. // The "all_config_vars" field has all of them. configVars := make(map[string]string) care := make(map[string]struct{}) for _, v := range d.Get("config_vars").([]interface{}) { for k, _ := range v.(map[string]interface{}) { care[k] = struct{}{} } } for k, v := range app.Vars { if _, ok := care[k]; ok { configVars[k] = v } } var configVarsValue []map[string]string if len(configVars) > 0 { configVarsValue = []map[string]string{configVars} } d.Set("name", app.App.Name) d.Set("stack", app.App.Stack.Name) d.Set("region", app.App.Region.Name) d.Set("git_url", app.App.GitURL) d.Set("web_url", app.App.WebURL) d.Set("config_vars", configVarsValue) d.Set("all_config_vars", app.Vars) // We know that the hostname on heroku will be the name+herokuapp.com // You need this to do things like create DNS CNAME records d.Set("heroku_hostname", fmt.Sprintf("%s.herokuapp.com", app.App.Name)) return nil } func resourceHerokuAppUpdate(d *schema.ResourceData, meta interface{}) error { client := meta.(*heroku.Service) // If name changed, update it if d.HasChange("name") { v := d.Get("name").(string) opts := heroku.AppUpdateOpts{ Name: &v, } renamedApp, err := client.AppUpdate(d.Id(), opts) if err != nil { return err } // Store the new ID d.SetId(renamedApp.Name) } // If the config vars changed, then recalculate those if d.HasChange("config_vars") { o, n := d.GetChange("config_vars") if o == nil { o = []interface{}{} } if n == nil { n = []interface{}{} } err := updateConfigVars( d.Id(), client, o.([]interface{}), n.([]interface{})) if err != nil { return err } } return resourceHerokuAppRead(d, meta) } func resourceHerokuAppDelete(d *schema.ResourceData, meta interface{}) error { client := meta.(*heroku.Service) log.Printf("[INFO] Deleting App: %s", d.Id()) err := client.AppDelete(d.Id()) if err != nil { return fmt.Errorf("Error deleting App: %s", err) } d.SetId("") return nil } func resourceHerokuAppRetrieve(id string, client *heroku.Service) (*application, error) { app := application{Id: id, Client: client} err := app.Update() if err != nil { return nil, fmt.Errorf("Error retrieving app: %s", err) } return &app, nil } func retrieveConfigVars(id string, client *heroku.Service) (map[string]string, error) { vars, err := client.ConfigVarInfo(id) if err != nil { return nil, err } return vars, nil } // Updates the config vars for from an expanded configuration. func updateConfigVars( id string, client *heroku.Service, o []interface{}, n []interface{}) error { vars := make(map[string]*string) for _, v := range o { if v != nil { for k, _ := range v.(map[string]interface{}) { vars[k] = nil } } } for _, v := range n { if v != nil { for k, v := range v.(map[string]interface{}) { val := v.(string) vars[k] = &val } } } log.Printf("[INFO] Updating config vars: *%#v", vars) if _, err := client.ConfigVarUpdate(id, vars); err != nil { return fmt.Errorf("Error updating config vars: %s", err) } return nil }