96 lines
1.9 KiB
Go
96 lines
1.9 KiB
Go
package main
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import (
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"bufio"
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"bytes"
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"fmt"
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"io/ioutil"
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"log"
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"os"
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"google.golang.org/protobuf/proto"
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pb "go.wit.com/lib/protobuf/virtbuf"
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)
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//
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// saves entries in a config file
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//
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func main() {
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TestWriteCluster()
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in, err := ioutil.ReadFile("/tmp/testing4.protobuf")
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if err != nil {
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log.Fatalln("Error reading file:", err)
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}
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var aCluster pb.Cluster
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if err := proto.Unmarshal(in, &aCluster); err != nil {
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log.Fatalln("Failed to parse droplet:", err)
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}
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log.Println(aCluster.String())
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// show the droplets to STDOUT
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for _, d := range aCluster.Droplets {
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fmt.Println("\tdroplet =", d.Hostname, "preffered host:", d.PreferredHypervisor)
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}
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// show the hypervisors to STDOUT
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for _, h := range aCluster.Hypervisors {
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fmt.Println("\thypervisor =", h.Hostname, h.GetMemoryPrintable())
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}
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json := aCluster.FormatJSON()
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fmt.Println(json)
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text := aCluster.FormatTEXT()
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fmt.Println(text)
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}
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func marshalWriteToFile(myWriter *bufio.Writer, c *pb.Cluster) {
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buf, err := proto.Marshal(c)
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if err != nil {
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log.Fatal("marshaling error: ", err)
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}
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tmp, err := myWriter.Write(buf)
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myWriter.Flush()
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log.Println("bufio.Write() tmp, err = ", tmp, err)
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buf, err = proto.Marshal(c)
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tmp2, err := myWriter.Write(buf)
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myWriter.Flush()
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log.Println("bufio.Write() tmp2, err = ", tmp2, err)
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}
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func TestWriteCluster() {
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buf := new(bytes.Buffer)
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c := pb.CreateSampleCluster(7)
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got := buf.String()
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log.Println(got)
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newfile, _ := os.Create("/tmp/testing4.protobuf")
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myWriter := bufio.NewWriter(newfile)
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marshalWriteToFile(myWriter, c)
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// marshalUnmarshal()
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}
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func marshalUnmarshal() {
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test := pb.CreateSampleCluster(7)
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data, err := proto.Marshal(test)
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if err != nil {
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log.Fatal("marshaling error: ", err)
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}
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newTest := &pb.Cluster{}
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err = proto.Unmarshal(data, newTest)
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if err != nil {
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log.Fatal("unmarshaling error: ", err)
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} else {
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log.Println("proto.Marshal() and proto.Unmarshal() worked")
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}
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}
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