revert removed sass

CHANGELOG.md

@@ -10,7 +10,6 @@
 - Modified Service chart on index page to show ping data along with latency
 - Added AWS SNS Notifier
 - Modified dashboard services UI
-- Removed sass dependency, now generates css from scss directly from go
 
 # 0.90.63 (08-17-2020)
 - Modified build process to use xgo for all arch builds

Dockerfile

@@ -5,12 +5,14 @@ FROM alpine:latest
 RUN apk --no-cache add libgcc libstdc++ ca-certificates curl jq && update-ca-certificates
 
 COPY --from=base /go/bin/statping /usr/local/bin/
+COPY --from=base /root/sassc/bin/sassc /usr/local/bin/
 COPY --from=base /usr/local/share/ca-certificates /usr/local/share/
 
 WORKDIR /app
 VOLUME /app
 
 ENV IS_DOCKER=true
+ENV SASS=/usr/local/bin/sassc
 ENV STATPING_DIR=/app
 ENV PORT=8080
 

Dockerfile.base

@@ -20,6 +20,11 @@ RUN apk add --update --no-cache libstdc++ gcc g++ make git autoconf \
     libtool ca-certificates linux-headers wget curl jq && \
     update-ca-certificates
 
+WORKDIR /root
+RUN git clone https://github.com/sass/sassc.git
+RUN . sassc/script/bootstrap && make -C sassc -j4
+# sassc binary: /root/sassc/bin/sassc
+
 WORKDIR /go/src/github.com/statping/statping
 ADD go.mod go.sum ./
 RUN go mod download
@@ -36,4 +41,5 @@ RUN make clean generate embed
 RUN go build -a -ldflags "-s -w -extldflags -static -X main.VERSION=${VERSION} -X main.COMMIT=${COMMIT}" -o statping --tags "netgo linux" ./cmd
 RUN chmod a+x statping && mv statping /go/bin/statping
 # /go/bin/statping - statping binary
+# /root/sassc/bin/sassc - sass binary
 # /statping - Vue frontend (from frontend)

Makefile

@@ -21,14 +21,14 @@ test: clean compile
 	go test -v -p=1 -ldflags="-X main.VERSION=${VERSION} -X main.COMMIT=${COMMIT}" -coverprofile=coverage.out ./...
 
 build: clean
-	go build -a -ldflags "-s -w -extldflags -static -X main.VERSION=${VERSION} -X main.COMMIT=${COMMIT}" -o statping --tags "netgo linux" ./cmd
+	CGO_ENABLED=1 go build -a -ldflags "-s -w -extldflags -static -X main.VERSION=${VERSION} -X main.COMMIT=${COMMIT}" -o statping --tags "netgo osusergo" ./cmd
 
 go-build: clean
 	rm -rf source/dist
 	rm -rf source/rice-box.go
 	wget https://assets.statping.com/source.tar.gz
 	tar -xvf source.tar.gz
-	go build -a -ldflags "-s -w -extldflags -static -X main.VERSION=${VERSION} -X main.COMMIT=${COMMIT}" -o statping --tags "netgo" ./cmd
+	go build -a -ldflags "-s -w -extldflags -static -X main.VERSION=${VERSION} -X main.COMMIT=${COMMIT}" -o statping --tags "netgo osusergo" ./cmd
 
 lint:
 	go fmt ./...
@@ -76,6 +76,7 @@ test-deps:
 	go get github.com/GeertJohan/go.rice/rice
 	go get github.com/mattn/go-sqlite3
 	go install github.com/mattn/go-sqlite3
+	go install github.com/wellington/go-libsass
 
 deps:
 	go get -d -v -t ./...

go.mod

@@ -20,6 +20,7 @@ require (
 	github.com/pelletier/go-toml v1.7.0 // indirect
 	github.com/pkg/errors v0.9.1
 	github.com/prometheus/client_golang v1.1.0
+	github.com/shopspring/decimal v1.2.0 // indirect
 	github.com/sirupsen/logrus v1.5.0
 	github.com/spf13/afero v1.2.2 // indirect
 	github.com/spf13/cast v1.3.1 // indirect
@@ -30,6 +31,7 @@ require (
 	github.com/stretchr/testify v1.5.1
 	github.com/t-tiger/gorm-bulk-insert/v2 v2.0.1
 	github.com/wellington/go-libsass v0.9.2
+	github.com/wellington/sass v0.0.0-20160911051022-cab90b3986d6
 	golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9
 	golang.org/x/net v0.0.0-20200625001655-4c5254603344 // indirect
 	golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d

go.sum

@@ -523,6 +523,8 @@ github.com/sacloud/libsacloud v1.26.1/go.mod h1:79ZwATmHLIFZIMd7sxA3LwzVy/B77uj3
 github.com/sacloud/libsacloud v1.36.1 h1:tCpFjWsvu/2Im8/SDmRZ49SttVXy7nHerobRc1LU9pI=
 github.com/sacloud/libsacloud v1.36.1/go.mod h1:P7YAOVmnIn3DKHqCZcUKYUXmSwGBm3yS7IBEjKVSrjg=
 github.com/sergi/go-diff v1.0.0/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo=
+github.com/shopspring/decimal v1.2.0 h1:abSATXmQEYyShuxI4/vyW3tV1MrKAJzCZ/0zLUXYbsQ=
+github.com/shopspring/decimal v1.2.0/go.mod h1:DKyhrW/HYNuLGql+MJL6WCR6knT2jwCFRcu2hWCYk4o=
 github.com/shurcooL/sanitized_anchor_name v1.0.0 h1:PdmoCO6wvbs+7yrJyMORt4/BmY5IYyJwS/kOiWx8mHo=
 github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc=
 github.com/sirupsen/logrus v1.2.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPxbbu5VWo=
@@ -599,6 +601,8 @@ github.com/vultr/govultr v0.3.3 h1:fVaF4h9u3VzTXxFsxvgBUCiM52EiahLqAPkizamLzYM=
 github.com/vultr/govultr v0.3.3/go.mod h1:TUuUizMOFc7z+PNMssb6iGjKjQfpw5arIaOLfocVudQ=
 github.com/wellington/go-libsass v0.9.2 h1:6Ims04UDdBs6/CGSVK5JC8FNikR5ssrsMMKE/uaO5Q8=
 github.com/wellington/go-libsass v0.9.2/go.mod h1:mxgxgam0N0E+NAUMHLcu20Ccfc3mVpDkyrLDayqfiTs=
+github.com/wellington/sass v0.0.0-20160911051022-cab90b3986d6 h1:qPS12y9iMXyKr2flmOG7RgiyUGkQxQibp1hx7uug9IQ=
+github.com/wellington/sass v0.0.0-20160911051022-cab90b3986d6/go.mod h1:ncYBwTYUjmb7N+sZbf8WJYynLivoqFL+U2f8uOX2Yzk=
 github.com/xeipuuv/gojsonpointer v0.0.0-20180127040702-4e3ac2762d5f/go.mod h1:N2zxlSyiKSe5eX1tZViRH5QA0qijqEDrYZiPEAiq3wU=
 github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415/go.mod h1:GwrjFmJcFw6At/Gs6z4yjiIwzuJ1/+UwLxMQDVQXShQ=
 github.com/xeipuuv/gojsonschema v1.2.0/go.mod h1:anYRn/JVcOK2ZgGU+IjEV4nwlhoK5sQluxsYJ78Id3Y=

source/source.go

@@ -4,13 +4,12 @@ package source
 //go:generate go run generate_version.go
 
 import (
-	"bytes"
 	"fmt"
 	"github.com/GeertJohan/go.rice"
 	"github.com/pkg/errors"
 	"github.com/statping/statping/utils"
-	"github.com/wellington/go-libsass"
 	"os"
+	"os/exec"
 	"path/filepath"
 	"strings"
 )
@@ -59,28 +58,30 @@ func scssRendered(name string) string {
 
 // CompileSASS will attempt to compile the SASS files into CSS
 func CompileSASS() error {
-	scssFile := filepath.Join(utils.Params.GetString("STATPING_DIR"), "assets", "scss", "index.scss")
-	indexCSS := filepath.Join(utils.Params.GetString("STATPING_DIR"), "assets", "scss", "index.css")
-	partials := filepath.Join(utils.Params.GetString("STATPING_DIR"), "assets", "scss")
+	sassBin := utils.Params.GetString("SASS")
+	if sassBin == "" {
+		bin, err := exec.LookPath("sass")
+		if err != nil {
+			log.Warnf("could not find sass executable in PATH: %s", err)
+			return err
+		}
+		sassBin = bin
+	}
 
-	index, err := utils.OpenFile(scssFile)
+	scssFile := filepath.Join(utils.Params.GetString("STATPING_DIR"), "assets", "scss", "index.scss")
+	log.Infoln(fmt.Sprintf("Compiling SASS %v into %v", scssFile, scssRendered(scssFile)))
+
+	stdout, stderr, err := utils.Command(sassBin, scssFile, scssRendered(scssFile))
 	if err != nil {
-		return err
+		log.Errorln(fmt.Sprintf("Failed to compile assets with SASS %v", err))
+		log.Errorln(fmt.Sprintf("%s %s %s", sassBin, scssFile, scssRendered(scssFile)))
+		return errors.Wrapf(err, "failed to compile assets, %s %s %s", err, stdout, stderr)
 	}
-	w := bytes.NewBuffer(nil)
-	comp, err := libsass.New(w, bytes.NewBufferString(index))
-	if err != nil {
-		return err
-	}
-	if err = comp.Option(libsass.IncludePaths([]string{partials})); err != nil {
-		return err
-	}
-	if err := comp.Run(); err != nil {
-		return err
-	}
-	if err := utils.SaveFile(indexCSS, w.Bytes()); err != nil {
-		return err
+
+	if stdout != "" || stderr != "" {
+		log.Infoln(fmt.Sprintf("out: %v | error: %v", stdout, stderr))
 	}
+
 	log.Infoln("SASS Compiling is complete!")
 	return nil
 }

types/services/services_test.go

@@ -470,7 +470,7 @@ func TestServices(t *testing.T) {
 		item, err := Find(1)
 		require.Nil(t, err)
 		amount := item.Downtime().Seconds()
-		assert.Equal(t, "75", fmt.Sprintf("%0.f", amount))
+		assert.Equal(t, "76", fmt.Sprintf("%0.f", amount))
 	})
 
 	t.Run("Test Failures Since", func(t *testing.T) {