add pushover, it seems blocked in china

.travis.yml.equinox

@@ -1,22 +0,0 @@
-language: go
-go:
-- 1.7
-before_install:
-- openssl aes-256-cbc -K $encrypted_6219389dc5b7_key -iv $encrypted_6219389dc5b7_iv
-  -in equinox.key.enc -out equinox.key -d
-before_script:
-  - go get -v github.com/jteeuwen/go-bindata/...
-  - go get -v github.com/elazarl/go-bindata-assetfs/...
-  - go-bindata-assetfs -tags bindata res/...
-script:
-  - go test -v
-  - go test -v -tags bindata
-env:
-  global:
-    secure: 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
-deploy:
-  skip_cleanup: true
-  provider: script
-  script: ./deploy.sh
-  on:
-    branch: master

fsm.go

@@ -25,6 +25,7 @@ import (
 	"syscall"
 	"time"
 
+	"github.com/codeskyblue/gosuv/pushover"
 	"github.com/codeskyblue/kexec"
 	"github.com/kennygrant/sanitize"
 	"github.com/qiniu/log"
@@ -99,14 +100,19 @@ var (
 )
 
 type Program struct {
-	Name         string   `yaml:"name" json:"name"`
-	Command      string   `yaml:"command" json:"command"`
-	Environ      []string `yaml:"environ" json:"environ"`
-	Dir          string   `yaml:"directory" json:"directory"`
-	StartAuto    bool     `yaml:"start_auto" json:"startAuto"` // change to *bool, which support unexpected
-	StartRetries int      `yaml:"start_retries" json:"startRetries"`
-	StartSeconds int      `yaml:"start_seconds" json:"startSeconds"`
-	// LogDir       string   `yaml:"logdir"`
+	Name          string   `yaml:"name" json:"name"`
+	Command       string   `yaml:"command" json:"command"`
+	Environ       []string `yaml:"environ" json:"environ"`
+	Dir           string   `yaml:"directory" json:"directory"`
+	StartAuto     bool     `yaml:"start_auto" json:"startAuto"`
+	StartRetries  int      `yaml:"start_retries" json:"startRetries"`
+	StartSeconds  int      `yaml:"start_seconds" json:"startSeconds"`
+	Notifications struct {
+		Pushover struct {
+			ApiKey string   `yaml:"api_key"`
+			Users  []string `yaml:"users"`
+		} `yaml:"pushover,omitempty"`
+	} `yaml:"notifications,omitempty" json:"-"`
 }
 
 func (p *Program) Check() error {
@@ -122,6 +128,21 @@ func (p *Program) Check() error {
 	return nil
 }
 
+func (p *Program) RunNotification() {
+	po := p.Notifications.Pushover
+	if po.ApiKey != "" && len(po.Users) > 0 {
+		log.Println("TODO: trigger pushover notification")
+		for _, user := range po.Users {
+			pushover.Notify(pushover.Params{
+				Token:   po.ApiKey,
+				User:    user,
+				Title:   p.Name,
+				Message: "todo",
+			})
+		}
+	}
+}
+
 type Process struct {
 	*FSM       `json:"-"`
 	Program    `json:"program"`
@@ -247,6 +268,11 @@ func NewProcess(pg Program) *Process {
 	}
 	pr.StateChange = func(_, newStatus FSMState) {
 		pr.Status = string(newStatus)
+
+		// TODO: status need to filter with config, not hard coded.
+		if newStatus == Fatal {
+			go pr.Program.RunNotification()
+		}
 	}
 	if pr.StartSeconds <= 0 {
 		pr.StartSeconds = 3

pushover/pushover.go

@@ -0,0 +1,63 @@
+package pushover
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"log"
+	"net/http"
+	"net/url"
+	"strings"
+	"time"
+)
+
+const (
+	// API is the Pushover API endpoint.
+	API = "https://api.pushover.net/1/messages.json"
+)
+
+type apiResponse struct {
+	Info    string   `json:"info"`
+	Status  int      `json:"status"`
+	Request string   `json:"request"`
+	Errors  []string `json:"errors"`
+	Token   string   `json:"token"`
+}
+
+type Params struct {
+	Token   string
+	User    string
+	Title   string
+	Message string
+}
+
+// Notify sends a push request to the Pushover API.
+func Notify(p Params) error {
+	vals := make(url.Values)
+	vals.Set("token", p.Token)
+	vals.Set("user", p.User)
+	vals.Set("message", p.Message)
+	vals.Set("title", p.Title)
+
+	log.Println(vals.Encode())
+	webClient := &http.Client{Timeout: 30 * time.Second}
+	resp, err := webClient.PostForm(API, vals)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+	log.Println("posted")
+
+	var r apiResponse
+	if err := json.NewDecoder(resp.Body).Decode(&r); err != nil {
+		return fmt.Errorf("decoding response: %s", err)
+	}
+
+	if r.Status != 1 {
+		return errors.New(strings.Join(r.Errors, ": ")) //noti.APIError{Site: "Pushover", Msg: strings.Join(r.Errors, ": ")}
+	} else if strings.Contains(r.Info, "no active devices") {
+		return errors.New(r.Info) //noti.APIError{Site: "Pushover", Msg: r.Info}
+	}
+
+	return nil
+}