Move to golang 1.19 (#104)

* Move to golang 1.19

* Found a bunch of 1.15 references in the CI machinery

* Upgrade json-iterator to 1.1.12

* Upgrade to golangci-lint 1.50

* Solve staticcheck lint

* gosec lint

* Remove deprecated linters to clear warnings

* Missing time import

* Warning from revive linter

.github/workflows/tests.yml

@@ -23,7 +23,7 @@ jobs:
     steps:
       - uses: actions/setup-go@v3
         with:
-          go-version: '1.15'
+          go-version: '1.19'
       - uses: actions/checkout@v3
       #- name: download libraries
       #  run: go mod download
@@ -33,7 +33,7 @@ jobs:
           # Caching conflicts happen in GHA, so just disable for now
           skip-cache: true
           # Required: the version of golangci-lint is required and must be specified without patch version: we always use the latest patch version.
-          version: v1.33
+          version: v1.50
   unit-tests:
     name: Unit tests
     runs-on: ubuntu-20.04
@@ -78,7 +78,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-go@v2
         with:
-          go-version: '1.15'
+          go-version: '1.19'
       - name: Verify image builds
         run: |
           docker build --tag infrawatch/sg-core:latest --file build/Dockerfile .

.golangci.yaml

@@ -26,19 +26,18 @@ linters:
   disable-all: true
   enable:
     - bodyclose
-    - deadcode
     - depguard
     - dogsled
     - dupl
     - errcheck
     # - exhaustive
+    - exportloopref
     # - gochecknoinits
     - goconst
     - gocritic
     - gocyclo
     - gofmt
     - goimports
-    - golint
     - goprintffuncname
     - gosec
     - gosimple
@@ -48,16 +47,13 @@ linters:
     - nakedret
     - noctx
     - nolintlint
-    - rowserrcheck
-    - scopelint
+    - revive
     - staticcheck
-    - structcheck
     - stylecheck
     - typecheck
     # - unused
     - unconvert
     # NOTE: not all application plugins use ability to emit internal events through
     #       passed bus function in it's constructor.
     #- unparam
-    - varcheck
     # - whitespace

build/Dockerfile

@@ -10,7 +10,7 @@ COPY . $D/
 COPY build/repos/opstools.repo /etc/yum.repos.d/opstools.repo
 
 RUN dnf install golang git qpid-proton-c-devel -y --setopt=tsflags=nodocs
-RUN go install golang.org/dl/go1.15@latest && /go/bin/go1.15 download && PRODUCTION_BUILD=false CONTAINER_BUILD=true GOCMD=/go/bin/go1.15 ./build.sh
+RUN go install golang.org/dl/go1.19@latest && /go/bin/go1.19 download && PRODUCTION_BUILD=false CONTAINER_BUILD=true GOCMD=/go/bin/go1.19 ./build.sh
 
 # --- end build, create smart gateway layer ---
 FROM registry.access.redhat.com/ubi8-minimal:latest

ci/integration/logging/run_sg.sh

@@ -13,11 +13,11 @@ dnf install -y git golang gcc make qpid-proton-c-devel
 export GOBIN=$GOPATH/bin
 export PATH=$PATH:$GOBIN
 
-go install golang.org/dl/go1.15@latest
-go1.15 download
+go install golang.org/dl/go1.19@latest
+go1.19 download
 
 # install sg-core and start sg-core
 mkdir -p /usr/lib64/sg-core
-PLUGIN_DIR=/usr/lib64/sg-core/ GOCMD=go1.15 ./build.sh
+PLUGIN_DIR=/usr/lib64/sg-core/ GOCMD=go1.19 ./build.sh
 
 ./sg-core -config ./ci/integration/logging/sg_config.yaml

ci/integration/metrics/run_sg.sh

@@ -13,11 +13,11 @@ dnf install -y git golang gcc make qpid-proton-c-devel
 export GOBIN=$GOPATH/bin
 export PATH=$PATH:$GOBIN
 
-go install golang.org/dl/go1.15@latest
-go1.15 download
+go install golang.org/dl/go1.19@latest
+go1.19 download
 
 # install sg-core and start sg-core
 mkdir -p /usr/lib64/sg-core
-PLUGIN_DIR=/usr/lib64/sg-core/ GOCMD=go1.15 ./build.sh
+PLUGIN_DIR=/usr/lib64/sg-core/ GOCMD=go1.19 ./build.sh
 
 ./sg-core -config ./ci/integration/metrics/sg_config.yaml

ci/unit/run_tests.sh

@@ -14,8 +14,8 @@ yum install -y git golang gcc make glibc-langpack-en qpid-proton-c-devel
 export GOBIN=$GOPATH/bin
 export PATH=$PATH:$GOBIN
 
-go install golang.org/dl/go1.15@latest
-go1.15 download
+go install golang.org/dl/go1.19@latest
+go1.19 download
 
 
-go1.15 test -v -coverprofile=profile.cov ./...
+go1.19 test -v -coverprofile=profile.cov ./...

go.mod

@@ -1,30 +1,45 @@
 module github.com/infrawatch/sg-core
 
-go 1.15
+go 1.19
 
 require (
 	collectd.org v0.5.0
 	github.com/Azure/go-amqp v0.13.9
 	github.com/elastic/go-elasticsearch/v7 v7.10.0
 	github.com/go-openapi/errors v0.20.0
-	github.com/go-playground/universal-translator v0.17.0 // indirect
-	github.com/golang/protobuf v1.5.2 // indirect
 	github.com/google/uuid v1.2.0
 	github.com/infrawatch/apputils v0.0.0-20210809211320-3573b2937d14
-	github.com/json-iterator/go v1.1.11
-	github.com/leodido/go-urn v1.2.1 // indirect
+	github.com/json-iterator/go v1.1.12
 	github.com/pkg/errors v0.9.1
 	github.com/prometheus/client_golang v1.11.0
-	github.com/prometheus/common v0.29.0 // indirect
-	github.com/smartystreets/goconvey v1.7.2 // indirect
 	github.com/stretchr/testify v1.6.1
-	github.com/vmihailenco/msgpack/v5 v5.3.5 // indirect
-	golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c // indirect
-	google.golang.org/protobuf v1.27.1 // indirect
+	github.com/vmihailenco/msgpack/v5 v5.3.5
 	gopkg.in/errgo.v2 v2.1.0
 	gopkg.in/go-playground/assert.v1 v1.2.1
 	gopkg.in/go-playground/validator.v9 v9.31.0
-	gopkg.in/ini.v1 v1.63.2 // indirect
 	gopkg.in/yaml.v2 v2.4.0
 	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b
 )
+
+require (
+	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/cespare/xxhash/v2 v2.2.0 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/go-ini/ini v1.62.0 // indirect
+	github.com/go-playground/locales v0.13.0 // indirect
+	github.com/go-playground/universal-translator v0.17.0 // indirect
+	github.com/golang/protobuf v1.5.2 // indirect
+	github.com/leodido/go-urn v1.2.1 // indirect
+	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/prometheus/client_model v0.2.0 // indirect
+	github.com/prometheus/common v0.29.0 // indirect
+	github.com/prometheus/procfs v0.6.0 // indirect
+	github.com/smartystreets/goconvey v1.7.2 // indirect
+	github.com/vmihailenco/tagparser/v2 v2.0.0 // indirect
+	golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c // indirect
+	google.golang.org/protobuf v1.27.1 // indirect
+	gopkg.in/ini.v1 v1.63.2 // indirect
+)

go.sum

@@ -45,7 +45,6 @@ github.com/Azure/go-autorest/autorest/adal v0.9.13 h1:Mp5hbtOePIzM8pJVRa3YLrWWmZ
 github.com/Azure/go-autorest/autorest/adal v0.9.13/go.mod h1:W/MM4U6nLxnIskrw4UwWzlHfGjwUS50aOsc/I3yuU8M=
 github.com/Azure/go-autorest/autorest/date v0.3.0 h1:7gUk1U5M/CQbp9WoqinNzJar+8KY+LPI6wiWrP/myHw=
 github.com/Azure/go-autorest/autorest/date v0.3.0/go.mod h1:BI0uouVdmngYNUzGWeSYnokU+TrmwEsOqdt8Y6sso74=
-github.com/Azure/go-autorest/autorest/mocks v0.4.1 h1:K0laFcLE6VLTOwNgSxaGbUcLPuGXlNkbVvq4cW4nIHk=
 github.com/Azure/go-autorest/autorest/mocks v0.4.1/go.mod h1:LTp+uSrOhSkaKrUy935gNZuuIPPVsHlr9DSOxSayd+k=
 github.com/Azure/go-autorest/autorest/to v0.4.0 h1:oXVqrxakqqV1UZdSazDOPOLvOIz+XA683u8EctwboHk=
 github.com/Azure/go-autorest/autorest/to v0.4.0/go.mod h1:fE8iZBn7LQR7zH/9XU2NcPR4o9jEImooCeWJcYV/zLE=
@@ -68,8 +67,9 @@ github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+Ce
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
-github.com/cespare/xxhash/v2 v2.1.1 h1:6MnRN8NT7+YBpUIWxHtefFZOKTAPgGjpQSxqLNn0+qY=
 github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
+github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44=
+github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
 github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
 github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
@@ -173,8 +173,9 @@ github.com/infrawatch/apputils v0.0.0-20210809211320-3573b2937d14/go.mod h1:be5Y
 github.com/jpillora/backoff v1.0.0/go.mod h1:J/6gKK9jxlEcS3zixgDgUAsiuZ7yrSoa/FX5e0EB2j4=
 github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
 github.com/json-iterator/go v1.1.10/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
-github.com/json-iterator/go v1.1.11 h1:uVUAXhF2To8cbw/3xN3pxj6kk7TYKs98NIrTqPlMWAQ=
 github.com/json-iterator/go v1.1.11/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
+github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM=
+github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo=
 github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU=
 github.com/jstemmer/go-junit-report v0.9.1/go.mod h1:Brl9GWCQeLvo8nXZwPNNblvFj/XSXhF0NWZEnDohbsk=
 github.com/jtolds/gls v4.20.0+incompatible h1:xdiiI2gbIgH/gLH7ADydsJ1uDOEzR8yvV7C0MuV77Wo=
@@ -198,8 +199,9 @@ github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJ
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w8PVh93nsPXa1VrQ6jlwL5oN8l14QlcNfg=
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
 github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
-github.com/modern-go/reflect2 v1.0.1 h1:9f412s+6RmYXLWZSEzVVgPGK7C2PphHj5RJrvfx9AWI=
 github.com/modern-go/reflect2 v1.0.1/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
+github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9Gz0M=
+github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk=
 github.com/mwitkow/go-conntrack v0.0.0-20161129095857-cc309e4a2223/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
 github.com/mwitkow/go-conntrack v0.0.0-20190716064945-2f068394615f/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
 github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e h1:fD57ERR4JtEqsWbfPhv4DMiApHyliiK5xCTNVSPiaAs=

pkg/config/config.go

@@ -4,7 +4,6 @@ import (
 	"bytes"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"strings"
 
 	"github.com/pkg/errors"
@@ -19,7 +18,7 @@ var (
 
 // ParseConfig parses and validates input into config object
 func ParseConfig(r io.Reader, config interface{}) error {
-	configBytes, err := ioutil.ReadAll(r)
+	configBytes, err := io.ReadAll(r)
 	if err != nil {
 		return errors.Wrap(err, "while reading configuration")
 	}

plugins/application/alertmanager/main.go

@@ -4,7 +4,7 @@ import (
 	"bytes"
 	"context"
 	"encoding/json"
-	"io/ioutil"
+	"io"
 	"net/http"
 	"sync"
 
@@ -94,7 +94,7 @@ func (am *AlertManager) Run(ctx context.Context, done chan bool) {
 						am.logger.Error("failed to report alert to AlertManager")
 					} else if resp.StatusCode != http.StatusOK {
 						// https://github.com/prometheus/alertmanager/blob/master/api/v2/openapi.yaml#L170
-						body, _ := ioutil.ReadAll(resp.Body)
+						body, _ := io.ReadAll(resp.Body)
 						resp.Body.Close()
 						am.logger.Metadata(logging.Metadata{
 							"plugin": appname,

plugins/application/alertmanager/main_test.go

@@ -1,7 +1,6 @@
 package main
 
 import (
-	"io/ioutil"
 	"os"
 	"path"
 	"testing"
@@ -166,7 +165,7 @@ var (
 )
 
 func TestAlertmanagerApp(t *testing.T) {
-	tmpdir, err := ioutil.TempDir(".", "alertman_test_tmp")
+	tmpdir, err := os.MkdirTemp(".", "alertman_test_tmp")
 	require.NoError(t, err)
 	defer os.RemoveAll(tmpdir)
 

plugins/application/elasticsearch/main_test.go

@@ -2,7 +2,6 @@ package main
 
 import (
 	stdjson "encoding/json"
-	"io/ioutil"
 	"os"
 	"path"
 	"testing"
@@ -212,7 +211,7 @@ var (
 )
 
 func TestElasticsearchApp(t *testing.T) {
-	tmpdir, err := ioutil.TempDir(".", "elastic_test_tmp")
+	tmpdir, err := os.MkdirTemp(".", "elastic_test_tmp")
 	require.NoError(t, err)
 	defer os.RemoveAll(tmpdir)
 

plugins/application/elasticsearch/pkg/lib/client.go

@@ -6,8 +6,8 @@ import (
 	"crypto/x509"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"net/http"
+	"os"
 	"strings"
 
 	esv7 "github.com/elastic/go-elasticsearch/v7"
@@ -35,7 +35,7 @@ func createTLSConfig(serverName string, certFile string, keyFile string, caFile
 		return nil, err
 	}
 
-	ca, err := ioutil.ReadFile(caFile)
+	ca, err := os.ReadFile(caFile)
 	if err != nil {
 		return nil, err
 	}
@@ -88,7 +88,7 @@ func (esc *Client) Connect(cfg *AppConfig) error {
 		return fmt.Errorf("failed to get info from connection: %s", err.Error())
 	}
 	defer res.Body.Close()
-	_, err = io.Copy(ioutil.Discard, res.Body)
+	_, err = io.Copy(io.Discard, res.Body)
 	if err != nil {
 		return fmt.Errorf("failed to discard response body: %s", err.Error())
 	}
@@ -102,7 +102,7 @@ func (esc *Client) IndicesExists(indices []string) (bool, error) {
 		return false, err
 	}
 	defer res.Body.Close()
-	_, err = io.Copy(ioutil.Discard, res.Body)
+	_, err = io.Copy(io.Discard, res.Body)
 	if err != nil {
 		return false, fmt.Errorf("failed to discard response body: %s", err.Error())
 	}
@@ -123,10 +123,10 @@ func (esc *Client) IndicesDelete(indices []string) error {
 	}
 	defer res.Body.Close()
 	if res.StatusCode != http.StatusOK && res.StatusCode != http.StatusNotFound {
-		body, _ := ioutil.ReadAll(res.Body)
+		body, _ := io.ReadAll(res.Body)
 		return fmt.Errorf("failed to delete indices [%d]: %s", res.StatusCode, body)
 	}
-	_, err = io.Copy(ioutil.Discard, res.Body)
+	_, err = io.Copy(io.Discard, res.Body)
 	if err != nil {
 		return fmt.Errorf("failed to discard response body: %s", err.Error())
 	}
@@ -143,14 +143,14 @@ func (esc *Client) IndicesCreate(indices []string) error {
 		defer res.Body.Close()
 
 		if res.StatusCode != http.StatusOK {
-			body, _ := ioutil.ReadAll(res.Body)
+			body, _ := io.ReadAll(res.Body)
 			msg := string(body)
 			if strings.Contains(msg, "resource_already_exists_exception") {
 				return nil
 			}
 			return fmt.Errorf("failed to create index [%d]: %s", res.StatusCode, msg)
 		}
-		_, err = io.Copy(ioutil.Discard, res.Body)
+		_, err = io.Copy(io.Discard, res.Body)
 		if err != nil {
 			return fmt.Errorf("failed to discard response body: %s", err.Error())
 		}
@@ -168,10 +168,10 @@ func (esc *Client) Index(index string, documents []string, bulk bool) error {
 			}
 			defer res.Body.Close()
 			if res.StatusCode != http.StatusOK && res.StatusCode != http.StatusCreated {
-				body, _ := ioutil.ReadAll(res.Body)
+				body, _ := io.ReadAll(res.Body)
 				return fmt.Errorf("failed to index document[%d]: %s", res.StatusCode, body)
 			}
-			_, err = io.Copy(ioutil.Discard, res.Body)
+			_, err = io.Copy(io.Discard, res.Body)
 			if err != nil {
 				return fmt.Errorf("failed to discard response body: %s", err.Error())
 			}
@@ -183,10 +183,10 @@ func (esc *Client) Index(index string, documents []string, bulk bool) error {
 		}
 		defer res.Body.Close()
 		if res.StatusCode != http.StatusOK && res.StatusCode != http.StatusCreated {
-			body, _ := ioutil.ReadAll(res.Body)
+			body, _ := io.ReadAll(res.Body)
 			return fmt.Errorf("failed to index document(s)[%d]: %s", res.StatusCode, body)
 		}
-		_, err = io.Copy(ioutil.Discard, res.Body)
+		_, err = io.Copy(io.Discard, res.Body)
 		if err != nil {
 			return fmt.Errorf("failed to discard response body: %s", err.Error())
 		}