Update go to v21 GitHub action release exe

.github/workflows/release.yml

@@ -0,0 +1,33 @@
+# https://goreleaser.com/customization/builds/
+name: goreleaser
+
+on:
+    release:
+      types: 
+          - created
+
+
+permissions:
+  contents: write
+
+jobs:
+  goreleaser:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      -
+        name: Set up Go
+        uses: actions/setup-go@v4
+      -
+        name: Run GoReleaser
+        uses: goreleaser/goreleaser-action@v5
+        with:
+          distribution: goreleaser
+          version: latest
+          args: release --clean
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.gitignore

@@ -0,0 +1,3 @@
+dist
+goreleaser
+dist/

.goreleaser.yaml

@@ -0,0 +1,31 @@
+# This is an example .goreleaser.yml file with some sensible defaults.
+# Make sure to check the documentation at https://goreleaser.com
+
+builds:
+  - env:
+      - CGO_ENABLED=0
+    targets:
+      - linux_amd64
+      - linux_arm64
+      # NOTE: errors on build
+      # - darwin_arm64
+      # - darwin_amd64
+      # - windows_amd64
+      # - windows_arm64
+
+archives:
+  - format: tar.gz
+    # use zip for windows archives
+    format_overrides:
+      - goos: windows
+        format: zip
+checksum:
+  name_template: "checksums.txt"
+snapshot:
+  name_template: "{{ incpatch .Version }}-next"
+changelog:
+  sort: asc
+  filters:
+    exclude:
+      - "^docs:"
+      - "^test:"

Makefile

@@ -1,38 +1,15 @@
 # Copyright 2020-2021 Azul Systems, Inc. All rights reserved.
 # Use of this source code is governed by the 3-Clause BSD
 # license that can be found in the LICENSE file.
-MYDIR:=$(shell dirname $(realpath $(firstword $(MAKEFILE_LIST))))
 
-APP    := jdowser
-SCRIPT := ansible-jdowser
+# ./jdowser start
+# ./jdowser status
+# ./jdowser -json report > output_file.json
+# ./jdowser -csv report > output_file.csv
 
-GOOS   ?= $(shell go env GOOS)
-GOARCH ?= $(shell go env GOARCH)
 
-FILES := \
-  classfile.go \
-  classfilereader.go \
-  config.go \
-  jvminstallation.go \
-  main.go \
-  scanlock.go \
-  status.go \
-  utils.go \
+build-dist:
+	rm -rf dist 
+	CGO_ENABLED=0 go build -o dist/jdowser main.go
+	cp ansible-jdowser dist/ansible-jdowser.sh
 
-all: $(APP) $(SCRIPT)
-
-$(APP): $(FILES:%=$(MYDIR)/src/%) $(VERSION)
-	V=$$($(MYDIR)/src/version.sh) && \
-	CGO_ENABLED=0 GOOS=$(GOOS) GOARCH=$(GOARCH) go build -ldflags="-s -w -X \"main.VERSION=$${V}\"" -o $@ $^
-
-$(SCRIPT): $(MYDIR)/src/$(SCRIPT)
-	V=$$($(MYDIR)/src/version.sh) && \
-	sed "s#%VERSION%#$${V}#" $^ > $@ && chmod +x $@
-
-resolve:
-	go get -u golang.org/x/sys/unix
-
-clean:
-	rm -f $(APP) $(SCRIPT)
-
-.PHONY: clean resolve all

README.md

@@ -25,18 +25,14 @@ The application is written in Golang, so you need to have a Golang package [inst
 To build JDowser:
 
 1. Clone the JDowser project from the GitHub repository.
-2. In your terminal, `cd` to the JDowser project directory.
-3. Run `make`:
+2. In your terminal run `make build-dist`:
    ```shell
-   $ make
+   $ make build-dist
    ```
-   This generates the `jdowser` executable file.
+   This will generate the `jdowser` executable file in the `dist` folder.
+
+You can also use the already built binaries from the **Releases** section.
 
-4. (Optional) If you observe dependency errors, run:
-   ```shell
-   $ make resolve; \
-   make
-   ```
 
 ## JDowser usage
 
@@ -77,10 +73,20 @@ If you specify this parameter, the default values are ignored.
 
 ## Sample JDowser run
 
+Start scanning filesystem, this will run in background.
+
 ```shell
 $ ./jdowser -root=/opt start
 ```
 
+Or
+
+```shell
+$ ./jdowser start
+```
+
+Get scanning status Running/Finished.
+
 ```shell
 $ ./jdowser status
 
@@ -91,6 +97,8 @@ end_time: -1
 args: -root=/opt
 ```
 
+You can output the status to json format
+
 ```shell
 $ ./jdowser -json status
 
@@ -105,6 +113,8 @@ $ ./jdowser -json status
 }
 ```
 
+And, finally you can get a report simple (as below) in json or csv format. 
+
 ```shell
 $ ./jdowser report
 
@@ -122,6 +132,12 @@ java_vm_version: 11.0.7+10-LTS
 java_vm_vendor: Azul Systems, Inc.
 ```
 
+These commands will save data into specified files:
+```shell
+$ ./jdowser -json report > output_file.json
+$ ./jdowser -csv report > output_file.csv
+```
+
 
 ## Use JDowser with Ansible
 

go.mod

@@ -1,5 +1,5 @@
 module jdowser
 
-go 1.13
+go 1.21
 
-require golang.org/x/sys v0.0.0-20210923061019-b8560ed6a9b7 // indirect
+require golang.org/x/sys v0.13.0

go.sum

@@ -1,2 +1,2 @@
-golang.org/x/sys v0.0.0-20210923061019-b8560ed6a9b7 h1:c20P3CcPbopVp2f7099WLOqSNKURf30Z0uq66HpijZY=
-golang.org/x/sys v0.0.0-20210923061019-b8560ed6a9b7/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.13.0 h1:Af8nKPmuFypiUBjVoU9V20FiaFXOcuZI21p0ycVYYGE=
+golang.org/x/sys v0.13.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=

src/classfile.go → jdowser/classfile.go

@@ -2,11 +2,12 @@
 // Use of this source code is governed by the 3-Clause BSD
 // license that can be found in the LICENSE file.
 
-package main
+package jdowser
 
 import (
 	"fmt"
 	"log"
+
 )
 
 type ConstantPool []ConstantPoolEntry
@@ -337,7 +338,7 @@ func (e *ConstantUtf8Entry) Read(r *ClassFileReader) int {
 }
 
 func (e *ConstantUtf8Entry) String() string {
-	return fmt.Sprintf("%s", e.bytes)
+	return string(e.bytes)
 }
 
 func (e *ConstantMethodHandleEntry) Read(r *ClassFileReader) int {

src/classfilereader.go → jdowser/classfilereader.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by the 3-Clause BSD
 // license that can be found in the LICENSE file.
 
-package main
+package jdowser
 
 import "encoding/binary"