Bug fix on FlexInt=nil/null, remove errors pkg, minor cleanup.

core/unifi/Gopkg.lock

@@ -19,15 +19,7 @@
     "v2",
   ]
   pruneopts = "UT"
-  revision = "8ff2fc3824fcb533795f9a2f233275f0bb18d6c5"
-
-[[projects]]
-  digest = "1:cf31692c14422fa27c83a05292eb5cbe0fb2775972e8f1f8446a71549bd8980b"
-  name = "github.com/pkg/errors"
-  packages = ["."]
-  pruneopts = "UT"
-  revision = "ba968bfe8b2f7e042a574c888954fccecfa385b4"
-  version = "v0.8.1"
+  revision = "fc22c7df067eefd070157f157893fbce961d6359"
 
 [[projects]]
   digest = "1:0028cb19b2e4c3112225cd871870f2d9cf49b9b4276531f03438a88e94be86fe"
@@ -38,19 +30,26 @@
   version = "v1.0.0"
 
 [[projects]]
-  digest = "1:972c2427413d41a1e06ca4897e8528e5a1622894050e2f527b38ddf0f343f759"
+  digest = "1:8548c309c65a85933a625be5e7d52b6ac927ca30c56869fae58123b8a77a75e1"
   name = "github.com/stretchr/testify"
   packages = ["assert"]
   pruneopts = "UT"
-  revision = "ffdc059bfe9ce6a4e144ba849dbedead332c6053"
-  version = "v1.3.0"
+  revision = "221dbe5ed46703ee255b1da0dec05086f5035f62"
+  version = "v1.4.0"
+
+[[projects]]
+  digest = "1:4d2e5a73dc1500038e504a8d78b986630e3626dc027bc030ba5c75da257cdb96"
+  name = "gopkg.in/yaml.v2"
+  packages = ["."]
+  pruneopts = "UT"
+  revision = "51d6538a90f86fe93ac480b35f37b2be17fef232"
+  version = "v2.2.2"
 
 [solve-meta]
   analyzer-name = "dep"
   analyzer-version = 1
   input-imports = [
     "github.com/influxdata/influxdb1-client/v2",
-    "github.com/pkg/errors",
     "github.com/stretchr/testify/assert",
   ]
   solver-name = "gps-cdcl"

core/unifi/Gopkg.toml

@@ -1,42 +1,7 @@
-# Gopkg.toml example
-#
-# Refer to https://golang.github.io/dep/docs/Gopkg.toml.html
-# for detailed Gopkg.toml documentation.
-#
-# required = ["github.com/user/thing/cmd/thing"]
-# ignored = ["github.com/user/project/pkgX", "bitbucket.org/user/project/pkgA/pkgY"]
-#
-# [[constraint]]
-#   name = "github.com/user/project"
-#   version = "1.0.0"
-#
-# [[constraint]]
-#   name = "github.com/user/project2"
-#   branch = "dev"
-#   source = "github.com/myfork/project2"
-#
-# [[override]]
-#   name = "github.com/x/y"
-#   version = "2.4.0"
-#
-# [prune]
-#   non-go = false
-#   go-tests = true
-#   unused-packages = true
-
-
 [[constraint]]
   branch = "master"
   name = "github.com/influxdata/influxdb1-client"
 
-[[constraint]]
-  name = "github.com/pkg/errors"
-  version = "0.8.1"
-
-[[constraint]]
-  name = "github.com/stretchr/testify"
-  version = "1.3.0"
-
 [prune]
   go-tests = true
   unused-packages = true

core/unifi/ids.go

@@ -8,7 +8,6 @@ import (
 	"time"
 
 	influx "github.com/influxdata/influxdb1-client/v2"
-	"github.com/pkg/errors"
 )
 
 // IDSList contains a list that contains all of the IDS Events on a controller.
@@ -124,7 +123,7 @@ func (u *Unifi) GetSiteIDS(site *Site, from, to time.Time) ([]*IDS, error) {
 		return nil, err
 	}
 	if resp.StatusCode != http.StatusOK {
-		return nil, errors.Errorf("invalid status code from server %s", resp.Status)
+		return nil, fmt.Errorf("invalid status code from server %s", resp.Status)
 	}
 	if err := json.Unmarshal(body, &response); err != nil {
 		return nil, err

core/unifi/types.go

@@ -2,11 +2,10 @@ package unifi
 
 import (
 	"encoding/json"
+	"fmt"
 	"net/http"
 	"strconv"
 	"strings"
-
-	"github.com/pkg/errors"
 )
 
 // This is a list of unifi API paths.
@@ -90,8 +89,12 @@ func (f *FlexInt) UnmarshalJSON(b []byte) error {
 		f.Txt = i
 		f.Val, _ = strconv.ParseFloat(i, 64)
 		return nil
+	case nil:
+		f.Txt = "0"
+		f.Val = 0
+		return nil
 	default:
-		return errors.New("Cannot unmarshal to FlexInt")
+		return fmt.Errorf("cannot unmarshal to FlexInt: %s", b)
 	}
 }
 

core/unifi/unifi.go

@@ -16,8 +16,6 @@ import (
 	"net/http"
 	"net/http/cookiejar"
 	"strings"
-
-	"github.com/pkg/errors"
 )
 
 // NewUnifi creates a http.Client with authenticated cookies.
@@ -26,7 +24,7 @@ import (
 func NewUnifi(user, pass, url string, verifySSL bool) (*Unifi, error) {
 	jar, err := cookiejar.New(nil)
 	if err != nil {
-		return nil, errors.Wrap(err, "cookiejar.New(nil)")
+		return nil, err
 	}
 	u := &Unifi{baseURL: strings.TrimRight(url, "/"),
 		Client: &http.Client{
@@ -44,21 +42,24 @@ func (u *Unifi) getController(user, pass string) error {
 	// magic login.
 	req, err := u.UniReq(LoginPath, fmt.Sprintf(`{"username":"%s","password":"%s"}`, user, pass))
 	if err != nil {
-		return errors.Wrap(err, "UniReq(LoginPath, json)")
+		return err
 	}
 	resp, err := u.Do(req)
 	if err != nil {
-		return errors.Wrap(err, "authReq.Do(req)")
+		return err
 	}
 	defer func() {
 		_, _ = io.Copy(ioutil.Discard, resp.Body) // avoid leaking.
 		_ = resp.Body.Close()
 	}()
 	if resp.StatusCode != http.StatusOK {
-		return errors.Errorf("authentication failed (user: %s): %s (status: %s)",
+		return fmt.Errorf("authentication failed (user: %s): %s (status: %s)",
 			user, u.baseURL+LoginPath, resp.Status)
 	}
-	return errors.Wrap(u.getServer(), "unable to get server version")
+	if err := u.getServer(); err != nil {
+		return fmt.Errorf("unable to get server version: %v", err)
+	}
+	return nil
 }
 
 // getServer sets the controller's version and UUID.
@@ -139,8 +140,7 @@ func (u *Unifi) GetData(methodPath string, v interface{}) error {
 	if err != nil {
 		return err
 	}
-	err = json.Unmarshal(body, v)
-	return errors.Wrapf(err, "json.Unmarshal(%s)", methodPath)
+	return json.Unmarshal(body, v)
 }
 
 // UniReq is a small helper function that adds an Accept header.
@@ -164,21 +164,21 @@ func (u *Unifi) UniReq(apiPath string, params string) (req *http.Request, err er
 func (u *Unifi) GetJSON(apiPath string) ([]byte, error) {
 	req, err := u.UniReq(apiPath, "")
 	if err != nil {
-		return []byte{}, errors.Wrapf(err, "c.UniReq(%s)", apiPath)
+		return []byte{}, err
 	}
 	resp, err := u.Do(req)
 	if err != nil {
-		return []byte{}, errors.Wrapf(err, "c.Do(%s)", apiPath)
+		return []byte{}, err
 	}
 	defer func() {
 		_ = resp.Body.Close()
 	}()
 	body, err := ioutil.ReadAll(resp.Body)
 	if err != nil {
-		return body, errors.Wrapf(err, "ioutil.ReadAll(%s)", apiPath)
+		return body, err
 	}
 	if resp.StatusCode != http.StatusOK {
-		err = errors.Errorf("invalid status code from server %s", resp.Status)
+		err = fmt.Errorf("invalid status code from server %s", resp.Status)
 	}
 	return body, err
 }