From be5548cd4e24addacd8a7cfa8c61c2fad5ccbd65 Mon Sep 17 00:00:00 2001
From: Jeff Carr <jcarr@wit.com>
Date: Fri, 18 Oct 2024 20:58:15 -0500
Subject: [PATCH] first go at it

---
 .gitignore          |  5 +++
 Makefile            | 48 ++++++++++++++++++++++++++++
 README.md           |  6 ++++
 configfile/Makefile |  8 +++++
 configfile/main.go  | 77 +++++++++++++++++++++++++++++++++++++++++++++
 droplet.proto       | 50 +++++++++++++++++++++++++++++
 6 files changed, 194 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 Makefile
 create mode 100644 README.md
 create mode 100644 configfile/Makefile
 create mode 100644 configfile/main.go
 create mode 100644 droplet.proto

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..c741eed
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,5 @@
+go.*
+
+*.pb.go
+
+configfile/configfile
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..292a050
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,48 @@
+all:
+	# You must use the current protoc-gen-go
+	# protoc --version 3.6++ does not mean that protoc will generate version3 .go files
+	#
+	# apt remove golang-goprotobuf-dev
+	# apt install protobuf-compiler
+	#
+	# Then:
+	# go get -u github.com/golang/protobuf/protoc-gen-go
+	# cd ~/go/src/github.com/golang/protobuf/protoc-gen-go
+	# go install
+	#
+	# Then:
+	protoc --version
+	make droplet.pb.go
+
+redomod:
+	rm -f go.*
+	GO111MODULE= go mod init
+	GO111MODULE= go mod tidy
+
+clean:
+	rm -f *.pb.go
+
+droplet.pb.go: droplet.proto
+	protoc --go_out=. droplet.proto
+
+events.pb.go: events.proto
+	protoc --go_out=. events.proto
+
+account.pb.go: account.proto
+	protoc --go_out=. account.proto
+
+config.pb.go: config.proto
+	protoc --go_out=. config.proto
+
+compile:
+	protoc --go_out=. *.proto
+
+deps:
+	apt install golang-goprotobuf-dev
+	apt install protobuf-compiler
+
+push:
+	git pull
+	git add --all
+	git commit -a -s
+	git push
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..06898f2
--- /dev/null
+++ b/README.md
@@ -0,0 +1,6 @@
+the libvirt xml files are just a bit much at this point
+
+They are what to use for starting droplets with virsh,
+but for making a cluster or "home cloud" or something
+like virtigo, I think it's going to be better to do
+something simple. Anyway, this is that attmept.
diff --git a/configfile/Makefile b/configfile/Makefile
new file mode 100644
index 0000000..15d8b54
--- /dev/null
+++ b/configfile/Makefile
@@ -0,0 +1,8 @@
+build:
+	go build
+
+prep:
+	go get -v -t -u
+
+run:
+	go run *.go
diff --git a/configfile/main.go b/configfile/main.go
new file mode 100644
index 0000000..c012ba3
--- /dev/null
+++ b/configfile/main.go
@@ -0,0 +1,77 @@
+package main
+
+import "log"
+import "bytes"
+import "os"
+import "bufio"
+import "io/ioutil"
+
+import "github.com/golang/protobuf/proto"
+import pb "git.wit.com/wit/virtbuf"
+
+//
+// saves entries in a config file
+//
+
+func main() {
+	TestWriteEvent()
+
+	in, err := ioutil.ReadFile("/tmp/testing4.protobuf")
+	if err != nil {
+		log.Fatalln("Error reading file:", err)
+	}
+	allEvents := &pb.Event{}
+	if err := proto.Unmarshal(in, allEvents); err != nil {
+		log.Fatalln("Failed to parse events:", err)
+	}
+
+	// listPeople(os.Stdout, allEvents)
+	// got := in.String()
+	log.Println(in)
+}
+
+func marshalWriteToFile(myWriter *bufio.Writer, e *pb.Event) {
+	buf, err := proto.Marshal(e)
+	if err != nil {
+		log.Fatal("marshaling error: ", err)
+	}
+	tmp, err := myWriter.Write(buf)
+	myWriter.Flush()
+	log.Println("bufio.Write() tmp, err = ", tmp, err)
+
+	buf, err = proto.Marshal(e)
+	tmp2, err := myWriter.Write(buf)
+	myWriter.Flush()
+	log.Println("bufio.Write() tmp2, err = ", tmp2, err)
+}
+
+func TestWriteEvent() {
+	buf := new(bytes.Buffer)
+
+	e := pb.CreateSampleEvent()
+
+	got := buf.String()
+	log.Println(got)
+
+	newfile, _ := os.Create("/tmp/testing4.protobuf")
+	myWriter := bufio.NewWriter(newfile)
+	marshalWriteToFile(myWriter, e)
+
+	marshalUnmarshal()
+}
+
+func marshalUnmarshal() {
+	test := pb.CreateSampleEvent()
+	data, err := proto.Marshal(test)
+	if err != nil {
+		log.Fatal("marshaling error: ", err)
+	}
+
+	newTest := &pb.Event{}
+	err = proto.Unmarshal(data, newTest)
+	if err != nil {
+		log.Fatal("unmarshaling error: ", err)
+	} else {
+		log.Println("proto.Marshal() and proto.Unmarshal() worked")
+	}
+}
diff --git a/droplet.proto b/droplet.proto
new file mode 100644
index 0000000..8c12664
--- /dev/null
+++ b/droplet.proto
@@ -0,0 +1,50 @@
+syntax = "proto3";
+package virtbuf;
+
+message Droplet {
+	string  uuid	= 1;
+	string	name	= 2;
+
+	repeated Response results = 3;
+	repeated Network networks = 4;
+	repeated VM vms = 5;
+
+	enum EventType {
+		ADD	= 0;
+		DELETE = 1;
+		POWERON = 2;
+		POWEROFF = 3;
+		HIBERNATE = 4;
+		MIGRATE = 5;
+		DEMO	= 6;
+		GET	= 7;	// request something
+		LOGIN	= 8;	// attempt to login
+		OK	= 9;	// everything is ok
+		FAIL	= 10;	// everything failed
+	}
+
+	message Response {
+		EventType type	= 1;
+		int32	id	= 2;
+		string	name	= 3;
+		string	error	= 4;
+		repeated string snippets = 5;
+	}
+
+	message Network {
+		string	mac     = 1;
+		string	name	= 2;
+	}
+
+	message VM {
+		int64	id	= 1;
+		string	name	= 2;
+		string	hostname = 3;
+		int64	cpus	= 4;
+		int64	memory	= 5;
+		int64	disk	= 6;
+		string	IPv6	= 7;
+		string	role	= 8;
+		string	baseImage = 9;
+	}
+}