quiet debugging

Signed-off-by: Jeff Carr <jcarr@wit.com>

.gitignore

@@ -1,5 +1,3 @@
 go.*
-
 *.pb.go
-
+*.swp
-configfile/configfile

.protobuf

@@ -0,0 +1,3 @@
+droplet.proto
+event.proto
+hypervisor.proto

LICENSE

@@ -0,0 +1,674 @@
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
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+THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
+IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+  16. Limitation of Liability.
+
+  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+    <program>  Copyright (C) <year>  <name of author>
+    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<https://www.gnu.org/licenses/>.
+
+  The GNU General Public License does not permit incorporating your program
+into proprietary programs.  If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.  But first, please read
+<https://www.gnu.org/licenses/why-not-lgpl.html>.

Makefile

@@ -1,25 +1,13 @@
-all:
+# You must use the current google protoc-gen-go
-	# 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
+# cd ~/go/src/google.golang.org/protobuf/cmd/protoc-gen-go
-	# 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:
+all: proto goimports vet
-	protoc --version
-	make droplet.pb.go
-	cd configfile && make
 
 vet:
-	GO111MODULE=off go vet
+	@GO111MODULE=off go vet
-
+	@echo this go library package builds okay
-lint:
-	buf lint droplet.proto
 
 # autofixes your import headers in your golang files
 goimports:
@@ -32,29 +20,21 @@ redomod:
 
 clean:
 	rm -f *.pb.go
-	-rm go.*
+	-rm -f go.*
-	cd configfile && make clean
+
+proto:droplet.pb.go hypervisor.pb.go event.pb.go cluster.pb.go
 
 droplet.pb.go: droplet.proto
-	# protoc --go_out=. droplet.proto
+	autogenpb --proto droplet.proto
-	# This is switched over to use the new protoc-gen-go from   google.golang.org/protobuf/cmd/protoc-gen-go
-	# the debian one (2024/10/21) seems to be the older/original one from github.com/golang/protobuf/protoc-gen-go
-	cd ~/go/src && protoc --go_out=. --proto_path=go.wit.com/lib/protobuf/virtbuf \
-		--go_opt=Mdroplet.proto=go.wit.com/lib/protobuf/virtbuf \
-		droplet.proto
 
+hypervisor.pb.go: hypervisor.proto
+	autogenpb --proto hypervisor.proto
 
-events.pb.go: events.proto
+event.pb.go: event.proto
-	protoc --go_out=. events.proto
+	autogenpb --proto event.proto
 
-account.pb.go: account.proto
+cluster.pb.go: cluster.proto
-	protoc --go_out=. account.proto
+	autogenpb --proto cluster.proto
-
-config.pb.go: config.proto
-	protoc --go_out=. config.proto
-
-compile:
-	protoc --go_out=. *.proto
 
 deps:
 	apt install golang-goprotobuf-dev

README.md

@@ -1,6 +1,6 @@
-the libvirt xml files are just a bit much at this point
+This go library handles the protobuf files
+and various functions for virtigo.
 
-They are what to use for starting droplets with virsh,
+You must build the protobuf files using autogenpb
-but for making a cluster or "home cloud" or something
+
-like virtigo, I think it's going to be better to do
+    go install go.wit.com/apps/autogenpb@latest
-something simple. Anyway, this is that attmept.

add.go

@@ -0,0 +1,211 @@
+package virtpb
+
+import (
+	"fmt"
+	"time"
+
+	"github.com/google/uuid"
+	"go.wit.com/log"
+)
+
+/*
+func (c *OldCluster) InitDroplet(hostname string) (*Droplet, error) {
+	var d *Droplet
+	d = new(Droplet)
+	d.Current = new(Current)
+
+	d = c.FindDropletByName(hostname)
+	if d != nil {
+		return d, errors.New("duplicate hostname: " + hostname)
+	}
+	d.Hostname = hostname
+	// d.Uuid = uuid.New() // not appropriate here
+
+	// set some defaults
+	d.StartState = DropletState_OFF
+	d.Current.State = DropletState_UNKNOWN
+	c.appendDroplet(d)
+	return d, nil
+}
+
+func (c *Cluster) appendDroplet(d *Droplet) {
+	c.Lock()
+	defer c.Unlock()
+
+	c.d.Droplets = append(c.d.Droplets, d)
+}
+*/
+
+// can the json protobuf output use a string and have a type handler
+// to convert it back to int64?
+func SetGB(gb int) int64 {
+	return int64(gb * 1024 * 1024 * 1024)
+}
+
+func SetMB(mb int) int64 {
+	return int64(mb * 1024 * 1024)
+}
+
+func (x *Hypervisor) SetMemoryGB(gb int) {
+	x.Memory = int64(gb * 1024 * 1024 * 1024)
+}
+
+func (c *OldCluster) FindDropletByName(name string) *Droplet {
+	loop := c.d.All() // get the list of droplets
+	for loop.Scan() {
+		d := loop.Next()
+		if d.Hostname == name {
+			return d
+		}
+	}
+	return nil
+}
+
+func (c *OldCluster) FindDropletByUuid(id string) *Droplet {
+	/*
+		log.Info("START FIND", id)
+		loop := c.d.All() // get the list of droplets
+		for loop.Scan() {
+			d := loop.Next()
+			log.Info("droplet:", d.Hostname, d.Uuid)
+		}
+		log.Info("END FIND", id)
+	*/
+	return c.d.FindByUuid(id)
+}
+
+func (c *OldCluster) FindHypervisorByName(name string) *Hypervisor {
+	for _, h := range c.H.Hypervisors {
+		if h.Hostname == name {
+			return h
+		}
+	}
+	return nil
+}
+
+func (c *OldCluster) AddHypervisor(hostname string, cpus int, mem int) *Hypervisor {
+	h := c.FindHypervisorByName(hostname)
+	if h != nil {
+		return h
+	}
+	// Generate a new UUID
+	id := uuid.New()
+	h = &Hypervisor{
+		Uuid:     id.String(),
+		Hostname: hostname,
+		Cpus:     int64(cpus),
+		Comment:  "this is a fake hypervisor",
+	}
+	if cpus < 0 {
+		h.Cpus = 1
+	}
+	h.SetMemoryGB(mem * 32)
+	c.H.Hypervisors = append(c.H.Hypervisors, h)
+	return h
+}
+
+func (c *OldCluster) AddEvent(e *Event) {
+	c.e.Events = append(c.e.Events, e)
+}
+
+// creates a new droplet with default values
+func NewDefaultDroplet(hostname string) *Droplet {
+	id := uuid.New() // Generate a new UUID
+	d := &Droplet{
+		Uuid:     id.String(),
+		Hostname: hostname,
+		Cpus:     int64(2),
+	}
+	d.Memory = SetGB(2)
+	d.StartState = DropletState_OFF
+
+	return d
+}
+
+func (c *OldCluster) AddDropletSimple(uuid string, hostname string, cpus int, mem int) *Droplet {
+	d := c.FindDropletByName(hostname)
+	if d != nil {
+		return d
+	}
+
+	d = &Droplet{
+		Uuid:     uuid,
+		Hostname: hostname,
+		Cpus:     int64(cpus),
+	}
+
+	if cpus < 0 {
+		d.Cpus = 1
+	}
+	d.Memory = SetGB(mem * 32)
+	d.StartState = DropletState_OFF
+	c.AddDroplet(d)
+	return d
+}
+
+// This isn't for the marketing department
+func (c *OldCluster) AddDropletLocal(name string, hypername string) *Droplet {
+	d := &Droplet{
+		Hostname: name,
+	}
+	d.LocalOnly = "yes on: " + hypername
+
+	// by default, on locally imported domains, set the preferred hypervisor!
+	d.PreferredHypervisor = hypername
+
+	d.Current = new(Current)
+	d.Current.Hypervisor = hypername
+	d.StartState = DropletState_OFF
+	d.Current.State = DropletState_OFF
+
+	c.AddDroplet(d)
+	return d
+}
+
+func (c *OldCluster) BlankFields() {
+	loop := c.d.All() // get the list of droplets
+	for loop.Scan() {
+		d := loop.Next()
+		d.Current = nil
+	}
+}
+
+func (epb *Events) AppendEvent(e *Event) {
+	epb.Events = append(epb.Events, e)
+}
+
+func (c *OldCluster) ClusterStable() (bool, string) {
+	last := time.Since(c.Unstable.AsTime())
+	if last > c.UnstableTimeout.AsDuration() {
+		// the cluster has not been stable for 133 seconds
+		log.Warn("clusterReady() is stable for ", FormatDuration(c.UnstableTimeout.AsDuration()), " secs")
+		return true, fmt.Sprintln("clusterReady() is stable ", FormatDuration(c.UnstableTimeout.AsDuration()), " secs")
+	}
+	log.Warn("clusterReady() is unstable for", FormatDuration(last))
+	return false, "clusterReady() is unstable for " + FormatDuration(last)
+}
+
+// check the cluster and droplet to make sure it's ready to start
+func (c *OldCluster) DropletReady(d *Droplet) (bool, string) {
+	if c == nil {
+		return false, "cluster == nil"
+	}
+	if d == nil {
+		return false, "droplet == nil"
+	}
+	if d.Current == nil {
+		return false, "droplet.Current == nil"
+	}
+	// can't start already started droplet
+	if d.Current.State == DropletState_ON {
+		return false, "EVENT start droplet is already ON"
+	}
+	if d.Current.State != DropletState_OFF {
+		return false, "EVENT start droplet is not OFF state = " + string(d.Current.State)
+	}
+	if d.Current.StartAttempts > 2 {
+		// reason := "EVENT start droplet has already been started " + d.starts + " times"
+		return false, fmt.Sprintln("EVENT start droplet has already been started ", d.Current.StartAttempts, " times")
+	}
+	return true, ""
+}

backupDir.go

@@ -0,0 +1,48 @@
+package virtpb
+
+// thank chatgpt for this because why. why write this if you can have it
+// kick this out in 30 seconds
+
+import (
+	"log"
+	"os"
+	"path/filepath"
+)
+
+// IsDir() check seems to still enter directories for some reason
+func backupDir(srcDir string, destDir string) error {
+	// Create the destination directory
+	err := os.MkdirAll(destDir, os.ModePerm)
+	if err != nil {
+		log.Printf("Failed to create directory: %v\n", err)
+		return err
+	}
+
+	// Walk through the source directory
+	err = filepath.Walk(srcDir, func(path string, info os.FileInfo, err error) error {
+		if err != nil {
+			return err
+		}
+
+		// Skip if it's not a .test file or if it's a directory
+		// if filepath.Ext(path) != ".json" || info.IsDir() {
+		if info.IsDir() {
+			return nil
+		}
+
+		// Destination file path
+		destPath := filepath.Join(destDir, info.Name())
+
+		// Copy the file
+		if err := copyFile(path, destPath); err != nil {
+			return err
+		}
+		return nil
+	})
+
+	if err != nil {
+		log.Printf("Failed to copy files: %v\n", err)
+		return err
+	}
+	return nil
+}

change.go

@@ -0,0 +1,225 @@
+package virtpb
+
+import (
+	// "reflect"
+
+	"errors"
+	"fmt"
+	"time"
+
+	"google.golang.org/protobuf/types/known/anypb"
+	"google.golang.org/protobuf/types/known/timestamppb"
+	"google.golang.org/protobuf/types/known/wrapperspb"
+
+	"go.wit.com/log"
+)
+
+func convertToAnypb(x any) *anypb.Any {
+	switch v := x.(type) {
+	case int64:
+		var a *anypb.Any
+		a, _ = anypb.New(wrapperspb.Int64(x.(int64)))
+		return a
+	case string:
+		var a *anypb.Any
+		a, _ = anypb.New(wrapperspb.String(x.(string)))
+		return a
+	case int:
+		var a *anypb.Any
+		a, _ = anypb.New(wrapperspb.Int64(x.(int64)))
+		return a
+	case bool:
+		var a *anypb.Any
+		a, _ = anypb.New(wrapperspb.Bool(x.(bool)))
+		return a
+	default:
+		log.Error(errors.New("convertToAnypb() unknown type"), "v =", v, "x =", x)
+	}
+	return nil
+}
+
+func convertToString(x any) string {
+	switch v := x.(type) {
+	case int64:
+		return fmt.Sprintf("%d", x.(int64))
+	case string:
+		return x.(string)
+	case int:
+		return fmt.Sprintf("%d", x.(int))
+	case uint:
+		return fmt.Sprintf("%d", x.(uint))
+	case *DropletState:
+		var s *DropletState
+		s = x.(*DropletState)
+		return s.String()
+	case DropletState:
+		var s DropletState
+		s = x.(DropletState)
+		return s.String()
+	case bool:
+		if x.(bool) {
+			return "true"
+		}
+		return "false"
+	default:
+		log.Info("convertToSTring() unknown type", v)
+		log.Error(errors.New("convertToSTring() unknown type"), "v =", v, "x =", x)
+	}
+	return ""
+}
+
+// Wrapping the int into a protobuf message
+func (d *Droplet) NewChangeEvent(fname string, origval any, newval any) *Event {
+	var e *Event
+	e = new(Event)
+
+	e.DropletName = d.Hostname
+	e.OrigVal = convertToString(origval)
+	e.NewVal = convertToString(newval)
+	e.FieldName = fname
+
+	now := time.Now()
+	e.Start = timestamppb.New(now)
+
+	// this also works, but it's a bit overkill
+	// e.NewAny = convertToAnypb(newval)
+
+	// me.events.Events = append(me.events.Events, e)
+	// stuff := me.events.FormatJSON()
+	// log.Info("events:", stuff)
+	return e
+}
+
+// work in progress
+func NewAddEvent(a any, fname string, newval any) *Event {
+	var e *Event
+	e = new(Event)
+
+	switch v := a.(type) {
+	case *Droplet:
+		var d *Droplet
+		d = a.(*Droplet)
+		e.DropletName = d.Hostname
+	case nil:
+		e.DropletName = "<nil>"
+	default:
+		log.Info("newAddEvent() unknown type", v)
+		e.DropletName = "on something somewhere"
+	}
+
+	e.NewVal = convertToString(newval)
+	e.FieldName = fname
+
+	now := time.Now()
+	e.Start = timestamppb.New(now)
+
+	return e
+}
+
+// update the droplet memory
+func (d *Droplet) SetMemory(b int64) *Event {
+	oldm := HumanFormatBytes(d.Memory)
+	newm := HumanFormatBytes(b)
+	if d.Memory == b {
+		// log.Info("droplet", d.Hostname, "memory unchanged", oldm, "to", newm)
+		return nil
+	}
+	log.Info("droplet", d.Hostname, "memory change from", oldm, "to", newm)
+
+	return d.NewChangeEvent("Droplet.Memory", d.Memory, b)
+}
+
+// update the droplet memory
+func (d *Droplet) SetCpus(b int64) {
+	log.Info("Set the number of cpus for the droplet", b)
+}
+
+// update the droplet memory
+func (d *Droplet) SetState(newState DropletState) {
+	if d.Current == nil {
+		d.Current = new(Current)
+	}
+	if d.Current.State == newState {
+		// nothing has changed
+		return
+	}
+	switch newState {
+	case DropletState_ON:
+		d.Current.OnSince = timestamppb.New(time.Now())
+		d.Current.OffSince = nil
+	case DropletState_OFF:
+		d.Current.OffSince = timestamppb.New(time.Now())
+		d.Current.OnSince = nil
+	default:
+		// zero on OnSince to indicate something hickup'd?
+		// not sure if this should be done here. probably trust qemu dom0 instead
+		// but I can't do that right now so for now this will work
+		d.Current.OnSince = timestamppb.New(time.Now())
+		d.Current.OffSince = timestamppb.New(time.Now())
+	}
+	d.Current.State = newState
+	d.NewChangeEvent("STATE", d.Current.State, newState)
+	log.Info("Droplet", d.Hostname, "changed state from", d.Current.State, "to", newState)
+}
+
+// records an event that the droplet changed state (aka turned on, turned off, etc)
+func (c *OldCluster) ChangeDropletState(d *Droplet, newState DropletState) error {
+	if c == nil {
+		return errors.New("cluster is nil")
+	}
+	if d == nil {
+		return errors.New("droplet is nil")
+	}
+	if d.Current.State == newState {
+		// droplet status didn't change
+		return nil
+	}
+	var e *Event
+	e = new(Event)
+
+	e.DropletName = d.Hostname
+	e.OrigVal = convertToString(d.Current.State)
+	e.NewVal = convertToString(newState)
+	e.FieldName = "status"
+
+	now := time.Now()
+	e.Start = timestamppb.New(now)
+
+	c.e.Events = append(c.e.Events, e)
+	return nil
+}
+
+// records an event that the droplet migrated to another hypervisor
+func (c *OldCluster) DropletMoved(d *Droplet, newh *Hypervisor) error {
+	if c == nil {
+		return errors.New("cluster is nil")
+	}
+	if d == nil {
+		return errors.New("droplet is nil")
+	}
+	if newh == nil {
+		return errors.New("hypervisor is nil")
+	}
+	if d.Current.Hypervisor == newh.Hostname {
+		// droplet didn't move
+		return nil
+	}
+
+	// make a change event
+	var e *Event
+	e = new(Event)
+
+	e.DropletName = d.Hostname
+	e.OrigVal = d.Current.Hypervisor
+	e.NewVal = newh.Hostname
+	e.FieldName = "droplet migrate"
+
+	now := time.Now()
+	e.Start = timestamppb.New(now)
+
+	c.e.Events = append(c.e.Events, e)
+
+	// update the droplet record
+	d.Current.Hypervisor = newh.Hostname
+	return nil
+}

cluster.proto

@@ -0,0 +1,23 @@
+syntax = "proto3";
+package virtpb;
+
+import "google/protobuf/timestamp.proto";
+import "droplet.proto";
+import "hypervisor.proto";
+import "event.proto";
+
+message Cluster {                                         // `autogenpb:marshal`
+        string                      uuid            = 1;  // `autogenpb:unique`
+        string                      name            = 2;
+        repeated string             URL             = 3;
+        google.protobuf.Timestamp   ctime           = 4;  // when the cluster was created
+        Droplets                    droplets        = 5;
+        Hypervisors                 hypervisors     = 6;
+        Events                      events          = 7;
+}
+
+message Clusters {                                        // `autogenpb:marshal`
+        string                      uuid            = 1;  // `autogenpb:uuid:57ddd763-75f6-4003-bf0e-8dd0f8a44044`
+        string                      version         = 2;  // `autogenpb:version:v0.0.1`
+        repeated Cluster            clusters        = 3;
+}

config.go

@@ -0,0 +1,226 @@
+package virtpb
+
+// functions to import and export the protobuf
+// data to and from config files
+
+import (
+	"errors"
+	"fmt"
+	"os"
+	"path/filepath"
+
+	"go.wit.com/log"
+	"google.golang.org/protobuf/encoding/protojson"
+	"google.golang.org/protobuf/encoding/prototext"
+	"google.golang.org/protobuf/reflect/protoreflect"
+)
+
+func (c *Cluster) ConfigSave() error {
+	name := c.Name
+	if name == "" {
+		name = c.Uuid
+	}
+	fullname := filepath.Join(os.Getenv("VIRTIGO_HOME"), name+".pb")
+	cfgfile, err := os.OpenFile(fullname, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0644)
+	defer cfgfile.Close()
+	if err != nil {
+		fmt.Println("open config file :", err)
+		return err
+	}
+	log.Info("ConfigSave()", fullname)
+	data, err := c.Marshal()
+	if err != nil {
+		fmt.Println("cluster Marshal() err:", err)
+		return err
+	}
+	fmt.Fprintln(cfgfile, data)
+	return nil
+}
+
+// writes out the cluster information it seperate files
+// to make it humanly possible to hand edit things as needed
+func (c *OldCluster) ConfigSave() error {
+	// try to backup the current cluster config files
+	if err := backupConfig(); err != nil {
+		return err
+	}
+
+	// make a new droplets struct
+	var dcopy *Droplets
+	dcopy = new(Droplets)
+	loop := c.d.All() // get the list of droplets
+	for loop.Scan() {
+		d := loop.Next()
+		dcopy.Droplets = append(dcopy.Droplets, d)
+	}
+	// delete all the Current data so it's not put in the config file
+	for _, drop := range dcopy.Droplets {
+		drop.Current = nil
+	}
+	if err := ConfigWriteTEXT(dcopy, "droplets.text"); err != nil {
+		fmt.Println("droplets.json write failed")
+		return err
+	}
+	c.configWriteDroplets()
+
+	if err := ConfigWriteTEXT(c.H, "hypervisors.text"); err != nil {
+		fmt.Println("hypervisors.json write failed")
+		return err
+	}
+
+	if err := ConfigWriteJSON(c.e, "events.json"); err != nil {
+		fmt.Println("events.json write failed")
+		return err
+	}
+	if err := ConfigWriteTEXT(c.e, "events.text"); err != nil {
+		fmt.Println("events.json write failed")
+		return err
+	}
+	return nil
+}
+
+func (c *OldCluster) ConfigLoad() error {
+	if c == nil {
+		return errors.New("It's not safe to run ConfigLoad() on a nil cluster")
+	}
+
+	if data, err := loadFile("droplets.text"); err == nil {
+		if err = prototext.Unmarshal(data, c.d); err != nil {
+			fmt.Println("broken droplets.text config file")
+			return err
+		}
+	} else {
+		return err
+	}
+
+	if data, err := loadFile("hypervisors.text"); err == nil {
+		if err = prototext.Unmarshal(data, c.H); err != nil {
+			fmt.Println("broken hypervisors.text config file")
+			return err
+		}
+	} else {
+		log.Warn("ERROR HERE IN Hypervisors")
+		return err
+	}
+
+	if c.e == nil {
+		// this seems to panic on nil. something is wrong about doing this
+		// does it not stay allocated after this function ends?
+		c.e = new(Events)
+	}
+
+	if err := c.e.loadEvents(); err != nil {
+		// ignore events.pb since these should be sent elsewhere
+		log.Warn("Events failed to load, ignoring:", err)
+		return nil
+	}
+	return nil
+}
+
+func (e *Events) loadEvents() error {
+	var data []byte
+	var err error
+
+	// load the events config file
+	if data, err = loadFile("events.json"); err != nil {
+		fmt.Println("broken events.json config file")
+		return err
+	}
+
+	err = protojson.Unmarshal(data, e)
+	if err != nil {
+		fmt.Println("broken events.json config file")
+		// json load failed. try loading prototext
+		if data, err = loadFile("events.text"); err != nil {
+			fmt.Println("broken events.text config file")
+			fmt.Println(err)
+			return errors.New("events.text file is broken")
+		}
+		if err = prototext.Unmarshal(data, e); err != nil {
+			fmt.Println("broken events.text config file")
+			fmt.Println(err)
+			return errors.New("events.text file is broken")
+		}
+	}
+	return nil
+}
+
+func loadFile(filename string) ([]byte, error) {
+	fullname := filepath.Join(os.Getenv("VIRTIGO_HOME"), filename)
+	data, err := os.ReadFile(fullname)
+	if err != nil {
+		// log.Info("open config file :", err)
+		return nil, err
+	}
+	return data, nil
+}
+
+// reads in from the prototext file
+// prototext file formats are not garrenteed to be stable. todo: hammer that out
+
+func ConfigWriteJSON(a any, filename string) error {
+	fullname := filepath.Join(os.Getenv("VIRTIGO_HOME"), filename)
+	cfgfile, err := os.OpenFile(fullname, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0644)
+	defer cfgfile.Close()
+	if err != nil {
+		fmt.Println("open config file :", err)
+		return err
+	}
+	msg, ok := a.(protoreflect.ProtoMessage)
+	if !ok {
+		return fmt.Errorf("provided value does not implement protoreflect.ProtoMessage")
+	}
+	text := protojson.Format(msg)
+	fmt.Fprintln(cfgfile, text)
+	return nil
+}
+
+func (c *OldCluster) configWriteDroplets() error {
+	fullname := filepath.Join(os.Getenv("VIRTIGO_HOME"), "droplets.new.text")
+	cfgfile, err := os.OpenFile(fullname, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0644)
+	defer cfgfile.Close()
+	if err != nil {
+		fmt.Println("open config file :", err)
+		return err
+	}
+	loop := c.d.All() // get the list of droplets
+	for loop.Scan() {
+		d := loop.Next()
+		text := prototext.Format(d)
+		fmt.Fprintln(cfgfile, text)
+	}
+	return nil
+}
+
+func ConfigWriteTEXT(a any, filename string) error {
+	fullname := filepath.Join(os.Getenv("VIRTIGO_HOME"), filename)
+	cfgfile, err := os.OpenFile(fullname, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0644)
+	defer cfgfile.Close()
+	if err != nil {
+		fmt.Println("open config file :", err)
+		return err
+	}
+	msg, ok := a.(protoreflect.ProtoMessage)
+	if !ok {
+		return fmt.Errorf("provided value does not implement protoreflect.ProtoMessage")
+	}
+	text := prototext.Format(msg)
+	fmt.Fprintln(cfgfile, text)
+	return nil
+}
+
+func (c *Clusters) ConfigLoad() error {
+	if c == nil {
+		return errors.New("It's not safe to run ConfigLoad() on a nil cluster")
+	}
+
+	if data, err := loadFile("cluster.text"); err == nil {
+		if err = prototext.Unmarshal(data, c); err != nil {
+			fmt.Println("broken cluster.textconfig file")
+			return err
+		}
+	} else {
+		return err
+	}
+	return nil
+}

configBackup.go

@@ -0,0 +1,76 @@
+package virtpb
+
+// thank chatgpt for this because why. why write this if you can have it
+// kick this out in 30 seconds
+
+import (
+	"errors"
+	"fmt"
+	"io"
+	"log"
+	"os"
+	"path/filepath"
+	"time"
+)
+
+func backupConfig() error {
+	// make a new dir to backup the files
+	now := time.Now()
+	// timestamp := now.Format("2022.07.18.190545") // 50yr shout out to K&R
+	timestamp := now.Format("2006.01.02.150405") // bummer. other date doesn't work?
+	srcDir := filepath.Join(os.Getenv("VIRTIGO_HOME"))
+	destDir := filepath.Join(os.Getenv("VIRTIGO_HOME"), timestamp)
+
+	return backupFiles(srcDir, destDir)
+}
+
+func backupFiles(srcDir string, destDir string) error {
+	// Create the destination directory
+	err := os.MkdirAll(destDir, os.ModePerm)
+	if err != nil {
+		return errors.New(fmt.Sprintf("Failed to create directory: %v", err))
+	}
+
+	// Read the contents of the source directory
+	entries, err := os.ReadDir(srcDir)
+	if err != nil {
+		return errors.New(fmt.Sprintf("Failed to read directory: %v", err))
+	}
+
+	// Iterate over the entries in the source directory
+	for _, entry := range entries {
+		// Skip directories and files that do not have the .test extension
+		if entry.IsDir() {
+			continue
+		}
+
+		log.Println("backing up file", entry.Name())
+		srcPath := filepath.Join(srcDir, entry.Name())
+		destPath := filepath.Join(destDir, entry.Name())
+
+		// Copy the file
+		if err := copyFile(srcPath, destPath); err != nil {
+			return errors.New(fmt.Sprintf("Failed to copy file %s: %v", entry.Name(), err))
+		}
+	}
+	return nil
+}
+
+// copyFile copies a file from src to dest
+func copyFile(src, dest string) error {
+	srcFile, err := os.Open(src)
+	if err != nil {
+		return err
+	}
+	defer srcFile.Close()
+
+	destFile, err := os.Create(dest)
+	if err != nil {
+		return err
+	}
+	defer destFile.Close()
+
+	// Copy the content
+	_, err = io.Copy(destFile, srcFile)
+	return err
+}

configfile/Makefile

@@ -1,11 +0,0 @@
-build:
-	GO111MODULE=off go build
-
-prep:
-	go get -v -t -u
-
-run:
-	go run *.go
-
-clean:
-	-rm -f configfile

configfile/main.go

@@ -1,77 +0,0 @@
-package main
-
-import "log"
-import "bytes"
-import "os"
-import "bufio"
-import "io/ioutil"
-
-import "google.golang.org/protobuf/proto"
-import pb "go.wit.com/lib/protobuf/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.Droplet{}
-	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.Droplet) {
-	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.CreateSampleDroplet()
-
-	got := buf.String()
-	log.Println(got)
-
-	newfile, _ := os.Create("/tmp/testing4.protobuf")
-	myWriter := bufio.NewWriter(newfile)
-	marshalWriteToFile(myWriter, e)
-
-	marshalUnmarshal()
-}
-
-func marshalUnmarshal() {
-	test := pb.CreateSampleDroplet()
-	data, err := proto.Marshal(test)
-	if err != nil {
-		log.Fatal("marshaling error: ", err)
-	}
-
-	newTest := &pb.Droplet{}
-	err = proto.Unmarshal(data, newTest)
-	if err != nil {
-		log.Fatal("unmarshaling error: ", err)
-	} else {
-		log.Println("proto.Marshal() and proto.Unmarshal() worked")
-	}
-}

droplet.proto

@@ -1,19 +1,73 @@
 syntax = "proto3";
-package virtbuf;
+package virtpb;
 
-message Droplet {
+import "google/protobuf/duration.proto"; // Import the well-known type for Timestamp
-	string  uuid	= 1;
+import "google/protobuf/timestamp.proto"; // Import the well-known type for Timestamp
-	string	name	= 2;
-	string	hostname = 3;
-	int64	cpus	= 4;
-	int64	memory	= 5;
-	int64	disk	= 6;
-	string	base_image = 7;
 
-	repeated Network networks = 8;
+// global settings for autogenpb `autogenpb:mutex`
-	repeated Disk disks = 9;
 
-	string	comment = 10;
+message Droplets {                                                // `autogenpb:marshal` `autogenpb:gui`
+        string                      uuid                    = 1;  // `autogenpb:uuid:d5d492e2-38d4-476b-86f3-f5abf01f9d6d`
+        string                      version                 = 2;  // `autogenpb:version:v0.0.1`
+        repeated Droplet            droplets                = 3;
+}
+
+message Droplet {                                                 // `autogenpb:marshal`
+        string                      uuid                    = 1;  // `autogenpb:unique` // should be unique across the cluster
+        string                      hostname                = 2;  // `autogenpb:unique` // should be unique and work in DNS
+        int64                       cpus                    = 3;  // what's the point of int64 vs int32
+        int64                       memory                  = 4;  // in bytes
+        Current                     current                 = 5;  // what the state and values of the droplet is
+        DropletState                startState              = 6;  // what the state of the droplet is SUPPOSED TO BE ('on' or 'off')
+        string                      qemuMachine             = 7;  // the qemu machine type to use "pc-q35-9.0"
+        int64                       spicePort               = 8;  // preferred port to use for spice
+
+        string                      preferredHypervisor     = 9;  // the hypervisor to prefer to run the droplet on
+        string                      forceHypervisor         = 10; // use this hypervisor and this hypervisor only
+        string                      preferredArch           = 11; // the cpu arch to use "x86_64" (should really get this from the disk?)
+        repeated Network            networks                = 12; // really just mac addresses. should be unique across cluster
+        repeated Disk               disks                   = 13; // disks to attach
+
+        string                      localOnly               = 14; // this is only defined locally on the hypervisor
+        string                      customXml               = 15; // if needed,
+        Archive                     archive                 = 16; // what the state of the droplet is SUPPOSED TO BE ('on' or 'off')
+
+        google.protobuf.Timestamp   unstable                = 39; // the last time we heard anything from this droplet
+        google.protobuf.Duration    unstableTimeout         = 40; // the last time we heard anything from this droplet
+}
+
+// volatile data. the current settings and values of things.
+// These are passed around while the cluster to monitor and control the systems
+// but they are not saved to the config file
+message Current {
+        DropletState                state                   = 1;  // used to track the current state before taking any action
+        string                      hypervisor              = 2;  // the current hypervisor the droplet is running on
+        int64                       startAttempts           = 3;  // how many times a start has been attempted
+        string                      fullXml                 = 4;  // the full libvirt xml to import
+        google.protobuf.Timestamp   lastPoll                = 5;  // the last time we heard anything from this droplet
+        string                      imageUrl                = 6;  // url to the image
+        google.protobuf.Timestamp   offSince                = 7;  // when the droplet was turned off
+        google.protobuf.Timestamp   onSince                 = 8;  // when the droplet was turned on
+}
+
+message Archive {
+        DropletArchive              reason                  = 1;  // why the droplet was archived
+        google.protobuf.Timestamp   when                    = 2;  // when it was archived
+}
+
+enum DropletState {
+        ON              = 0;
+        OFF             = 1;
+        UNKNOWN         = 2; // qemu says 'Shutdown'
+        PAUSED          = 3;
+        CRASHED         = 4;
+        INMIGRATE       = 5;
+}
+
+enum DropletArchive {
+        DUP     = 0;
+        USER    = 1;
+}
 
 message Network {
         string                      mac                     = 1;
@@ -22,6 +76,7 @@ message Droplet {
 
 message Disk {
         string                      filename                = 1;
-		int64	size    	= 2;
+        string                      filepath                = 2;
-	}
+        int64                       size                    = 3;
+        string                      qemuArch                = 4;  // what arch. example: "x86_64" or "riscv64"
 }

event.proto

@@ -0,0 +1,60 @@
+syntax = "proto3";
+package virtpb;
+
+import "google/protobuf/timestamp.proto"; // Import the well-known type for Timestamp
+import "google/protobuf/any.proto"; // Import the well-known type for Timestamp
+import "droplet.proto";
+
+// global settings for autogenpb `autogenpb:no-sort` `autogenpb:mutex`
+
+message Events {                                             // `autogenpb:marshal` `autogenpb:gui`
+        string                      uuid               = 1;  // `autogenpb:uuid:1e3a50c7-5916-4423-b33c-f0b977a7e446`
+        string                      version            = 2;  // `autogenpb:version:v0.0.1`
+        int64                       eventSize          = 3;  // max events to store in a single
+        repeated Event              events             = 4;  // all the events
+}
+
+// this information leans towards being human readable not programatic
+// in other words, it's better to just have the droplet name here rather than the uuid
+// at least for now in the early days. but maybe forever.
+// homelab clouds normally don't have many events.
+// we are talking less than 1 a minute. even 1 an hour is often a lot
+message Event {                                              // `autogenpb:marshal`
+        enum status {
+                DONE    = 0;
+                FAIL    = 1;
+                RUNNING = 2;
+        }
+        int32                       id                 = 1;  // `autogenpb:unique` // should be unique across the cluster
+        EventType                   etype              = 2;
+        string                      dropletName        = 3;  // name of the droplet
+        string                      dropletUuid        = 4;  // uuid of the droplet
+        string                      hypervisor         = 5;  // name of the hypervisor
+        string                      hypervisorUuid     = 6;  // uuid of the hypervisor
+        google.protobuf.Timestamp   start              = 7;  // start time
+        google.protobuf.Timestamp   end                = 8;  // end time
+        string                      fieldName          = 9;  // the field name that changed
+        string                      origVal            = 10; // original value
+        string                      newVal             = 11; // new value
+        google.protobuf.Any         origAny            = 12; // anypb format. probably overkill
+        google.protobuf.Any         newAny             = 13; // anypb format
+        string                      error              = 14; // what went wrong
+        status                      state              = 15; // state of the event
+        Droplet                     droplet            = 16; // droplet
+}
+enum EventType {
+        ADD	= 0;
+        DELETE = 1;
+        POWERON = 2;
+        POWEROFF = 3;   // should indicate a "normal" shutdown
+        HIBERNATE = 4;
+        MIGRATE = 5;
+        DEMO	= 6;
+        GET	= 7;	// request something
+        LOGIN	= 8;	// attempt to login
+        OK	= 9;	// everything is ok
+        FAIL	= 10;	// everything failed
+        CRASH   = 11;   // droplet hard crashed
+        CHANGE  = 12;   // droplet or hypervisor config change
+        EDIT    = 13;   // edit droplet settings
+}

helpers.go

@@ -0,0 +1,17 @@
+package virtpb
+
+// functions to import and export the protobuf
+// data to and from config files
+
+func InitCluster() *OldCluster {
+	var c *OldCluster
+	c = new(OldCluster)
+	c.d = new(Droplets)
+	c.H = new(Hypervisors)
+	c.e = new(Events)
+	return c
+}
+
+func (c *OldCluster) DropletsAll() *DropletScanner {
+	return c.d.All()
+}

human.go

@@ -0,0 +1,198 @@
+package virtpb
+
+// mostly just functions related to making STDOUT
+// more readable by us humans
+
+// also function shortcuts the do fixed limited formatting (it's like COBOL)
+// so reporting tables of the status of what droplets and hypervisors
+// are in text columns and rows that can be easily read in a terminal
+
+import (
+	"errors"
+	"fmt"
+	"net/http"
+	"strings"
+	"time"
+
+	"google.golang.org/protobuf/types/known/timestamppb"
+
+	"go.wit.com/log"
+)
+
+func oldGetDurationStamp(t time.Time) string {
+	// Get the current time
+	currentTime := time.Now()
+
+	// Calculate the duration between t current time
+	duration := currentTime.Sub(t)
+
+	return FormatDuration(duration)
+}
+
+// This isn't for the marketing department
+// so this isn't going to use 'MiB' and 'GiB'
+func HumanFormatBytes(b int64) string {
+	if b < 2000 {
+		return fmt.Sprintf("%d B", b)
+	}
+
+	kb := int(b / 1024)
+	if kb < 2000 {
+		return fmt.Sprintf("%d KB", kb)
+	}
+
+	mb := int(b / (1024 * 1024))
+	if mb < 2000 {
+		return fmt.Sprintf("%d MB", mb)
+	}
+
+	gb := int(b / (1024 * 1024 * 1024))
+	if gb < 2000 {
+		return fmt.Sprintf("%d GB", gb)
+	}
+
+	tb := int(b / (1024 * 1024 * 1024 * 1024))
+	return fmt.Sprintf("%d TB", tb)
+}
+
+func FormatDuration(d time.Duration) string {
+	result := ""
+
+	// check if it's more than a year
+	years := int(d.Hours()) / (24 * 365)
+	if years > 0 {
+		result += fmt.Sprintf("%dy", years)
+		return result
+	}
+
+	// check if it's more than a day
+	days := int(d.Hours()) / 24
+	if days > 0 {
+		result += fmt.Sprintf("%dd", days)
+		return result
+	}
+
+	// check if it's more than an hour
+	hours := int(d.Hours()) % 24
+	if hours > 0 {
+		result += fmt.Sprintf("%dh", hours)
+		return result
+	}
+
+	// check if it's more than a minute
+	minutes := int(d.Minutes()) % 60
+	if minutes > 0 {
+		result += fmt.Sprintf("%dm", minutes)
+		return result
+	}
+
+	// check if it's more than a second
+	seconds := int(d.Seconds()) % 60
+	if seconds > 0 {
+		result += fmt.Sprintf("%ds", seconds)
+		return result
+	}
+
+	// report in milliseconds
+	ms := int(d.Milliseconds())
+	if ms > 100 {
+		// todo: print .3s, etc ?
+		return fmt.Sprintf("%1.2fs", float64(seconds)/1000)
+	}
+	if ms > 0 {
+		result += fmt.Sprintf("%dms", ms)
+	}
+
+	// totally not necessary but wth
+	var t time.Duration
+	t = time.Duration(ms) * time.Millisecond
+	nanos := d - t
+	result += fmt.Sprintf("%dnanos", nanos)
+	return result
+}
+
+func (d *Droplet) SprintHeader() string {
+	if d.Current == nil {
+		d.Current = new(Current)
+	}
+	header := fmt.Sprintf("%-3.3s %-9.9s %-20.20s", d.Current.State, d.Current.Hypervisor, d.Hostname)
+
+	switch d.Current.State {
+	case DropletState_ON:
+		var dur string
+		if d.Current.OnSince != nil {
+			dur = ""
+		} else {
+			t := time.Since(d.Current.OnSince.AsTime()) // time since 'OFF'
+			dur = FormatDuration(t)
+		}
+		header += fmt.Sprintf(" (on :%3s)", dur)
+	case DropletState_OFF:
+		var dur string
+		if d.Current.OffSince != nil {
+			dur = ""
+		} else {
+			t := time.Since(d.Current.OffSince.AsTime()) // time since 'OFF'
+			dur = FormatDuration(t)
+		}
+		header += fmt.Sprintf(" (off:%3s)", dur)
+	default:
+		header += fmt.Sprintf(" (?? :%3s)", "")
+	}
+	return header
+}
+
+func (d *Droplet) SprintDumpHeader() string {
+	var macs []string
+	for _, n := range d.Networks {
+		macs = append(macs, n.Mac)
+	}
+
+	header := fmt.Sprintf("%-4.4s%20s %-8s", d.Current.State, strings.Join(macs, " "), d.Current.Hypervisor)
+
+	if d.Current == nil {
+		return header
+	}
+
+	if d.Current.OnSince == nil {
+		d.Current.OnSince = timestamppb.New(time.Now())
+	}
+
+	t := time.Since(d.Current.OnSince.AsTime()) // time since 'ON'
+	dur := FormatDuration(t)
+
+	switch d.Current.State {
+	case DropletState_ON:
+		header += fmt.Sprintf(" (on :%3s)", dur)
+	case DropletState_OFF:
+		header += fmt.Sprintf(" (off:%3s)", dur)
+	default:
+		header += fmt.Sprintf(" (?? :%3s)", dur)
+	}
+	return header
+}
+
+func (d *Droplet) DumpDroplet(w http.ResponseWriter, r *http.Request) (string, error) {
+	if d == nil {
+		reason := "DumpDroplet() got d == nil"
+		log.Warn(reason)
+		fmt.Fprintln(w, reason)
+		return "", errors.New(reason)
+	}
+	t := d.FormatTEXT()
+	log.Info(t)
+	fmt.Fprintln(w, t)
+	return t, nil
+}
+
+func (c *OldCluster) DumpDroplet(w http.ResponseWriter, r *http.Request) (string, error) {
+	hostname := r.URL.Query().Get("hostname")
+	d := c.FindDropletByName(hostname)
+	if d == nil {
+		result := "can not find droplet hostname=" + hostname
+		log.Info(result)
+		fmt.Fprintln(w, result)
+		return result, errors.New(result)
+	}
+	return d.DumpDroplet(w, r)
+}

hypervisor.proto

@@ -0,0 +1,29 @@
+syntax = "proto3";
+package virtpb;
+
+import "google/protobuf/timestamp.proto";
+
+message Hypervisors {                                     // `autogenpb:marshal` `autogenpb:gui`
+        string                      uuid            = 1;  // `autogenpb:uuid:6e3aa8b9-cf98-40f6-af58-3c6ad1edf4d4`
+        string                      version         = 2;  // `autogenpb:version:v0.0.1`
+        repeated Hypervisor         hypervisors     = 3;
+}
+
+message Hypervisor {
+        string                      uuid            = 1;  // `autogenpb:unique`
+        string                      hostname        = 2;  // `autogenpb:unique`
+        bool                        active          = 3;  // is allowed to start new droplets
+        int64                       cpus            = 4;
+        int64                       memory          = 5;  // in bytes
+        string                      comment         = 6;
+        bool                        autoscan        = 7;  // to scan or not to scan by virtigo
+        HypervisorArch              arch            = 8;
+        int64                       killcount       = 9;  // in bytes
+        google.protobuf.Timestamp   lastPoll        = 10; // the last time we heard anything
+}
+
+enum HypervisorArch {
+        RISCV64   = 0;
+        X86_64    = 1;
+        ARM64     = 2;
+}

oldCluster.go

@@ -0,0 +1,48 @@
+package virtpb
+
+import (
+	sync "sync"
+
+	durationpb "google.golang.org/protobuf/types/known/durationpb"
+	"google.golang.org/protobuf/types/known/timestamppb"
+)
+
+type OldCluster struct {
+	sync.RWMutex
+
+	Dirs            []string
+	d               *Droplets
+	H               *Hypervisors
+	e               *Events
+	Unstable        *timestamppb.Timestamp
+	UnstableTimeout *durationpb.Duration
+}
+
+func (c *OldCluster) GetDropletsPB() *Droplets {
+	return c.d
+}
+
+func (c *OldCluster) GetHypervisorsPB() *Hypervisors {
+	return c.H
+}
+
+func (c *OldCluster) GetEventsPB() *Events {
+	return c.e
+}
+
+// adds a new droplet. enforce unique hostnames
+func (c *OldCluster) AddDroplet(newd *Droplet) bool {
+	c.Lock()
+	defer c.Unlock()
+
+	for _, d := range c.d.Droplets {
+		if newd.Hostname == d.Hostname {
+			// boo. that one is already here
+			return false
+		}
+	}
+
+	// everything is ok, this hostname is new
+	c.d.Droplets = append(c.d.Droplets, newd)
+	return true
+}

sampleData.go

@@ -1,35 +1,78 @@
-package virtbuf
+package virtpb
 
-import "log"
+import (
+	"fmt"
+	"log"
+
+	"github.com/google/uuid"
+	// anypb "google.golang.org/protobuf/types/known/anypb"
+)
 
 //
-// This generates some sample data. It *should* match the .proto file
+// This generates some sample data.
 //
 
-func CreateSampleDroplet() *Droplet {
+func CreateSampleDroplet(hostname string) *Droplet {
 	// TODO: flush this out to do all the fields
-	log.Println("CreateSampleDroplet() is generating a new droplet")
+	log.Println("CreateSampleDroplet() is generating a new droplet", hostname)
 
-	e := &Droplet{
+	// Generate a new UUID
-		Uuid:     "6a1c571b-1d02-462b-9288-63d205306d76",
+	id := uuid.New()
-		Hostname: "bmath.wit.com",
+	d := &Droplet{
-		Comment:  "this is a droplet for testing",
+		Uuid:     id.String(),
+		Hostname: hostname,
+	}
+	return d
+}
+
+func CreateSampleHypervisor(hostname string, mem int) *Hypervisor {
+	// Generate a new UUID
+	id := uuid.New()
+	h := &Hypervisor{
+		Uuid:     id.String(),
+		Hostname: hostname,
+		Cpus:     16,
+		Memory:   256,
+		Comment:  "this is a fake hypervisor",
+	}
+	h.SetMemoryGB(mem * 32)
+	return h
+}
+
+func CreateSampleEvents(total int) *Events {
+	var e *Events
+	e = new(Events)
+
+	for i := 0; i < total; i++ {
+		var newe *Event
+		newe = new(Event)
+		e.Events = append(e.Events, newe)
 	}
 	return e
 }
 
-func CreateSampleDroplets(total int) []Droplet {
+func CreateSampleCluster(total int) *OldCluster {
-
+	c := InitCluster()
-	var all []Droplet
 
 	for i := 0; i < total; i++ {
-		d := CreateSampleDroplet()
+		hostname := fmt.Sprintf("bmath%d.wit.com", i)
-
+		d := CreateSampleDroplet(hostname)
-		// e.Id += 1000 + int32(i)
+		d.PreferredHypervisor = fmt.Sprintf("farm%d", i)
-		d.Comment = "Sample Event " + string(i)
+		if d.PreferredHypervisor == "farm4" {
-
+			d.Cpus = 16
-		all = append(all, *d)
+			d.Memory = SetGB(256)
 		}
 
-	return all
+		c.d.Droplets = append(c.d.Droplets, d)
+	}
+
+	for i := 0; i < 3; i++ {
+		hostname := fmt.Sprintf("farm%d", i)
+		h := CreateSampleHypervisor(hostname, i+1)
+		h.Comment = fmt.Sprintf("Sample hypervisor %d", i)
+
+		c.H.Hypervisors = append(c.H.Hypervisors, h)
+	}
+
+	return c
 }

storageinfo.go

@@ -0,0 +1,47 @@
+package virtpb
+
+/*
+// MarshalJSON custom marshals the WhatInfo struct to JSON
+func (s WhatInfo) MarshalJSON() ([]byte, error) {
+	capacityStr := fmt.Sprintf("%d GB", s.Capacity)
+	return json.Marshal(map[string]string{
+		"capacity": capacityStr,
+	})
+}
+
+func (s WhatInfo) FormatJSON() string {
+	return fmt.Sprintf("\"capacity\": \"%d GB\"", s.Capacity)
+}
+
+// UnmarshalJSON custom unmarshals JSON into the WhatInfo struct
+func (s *WhatInfo) UnmarshalJSON(data []byte) error {
+	var raw map[string]string
+	if err := json.Unmarshal(data, &raw); err != nil {
+		return err
+	}
+
+	if capacityStr, ok := raw["capacity"]; ok {
+		capacityStr = capacityStr[:len(capacityStr)-3] // Remove the " GB" suffix
+		capacity, err := strconv.ParseInt(capacityStr, 10, 64)
+		if err != nil {
+			return err
+		}
+		s.Capacity = capacity
+	}
+
+	return nil
+}
+
+func main() {
+	info := WhatInfo{Capacity: 64}
+
+	// Marshaling to JSON
+	jsonData, _ := json.Marshal(info)
+	fmt.Println(string(jsonData)) // Output: {"capacity":"64 GB"}
+
+	// Unmarshaling back to Go struct
+	var newInfo WhatInfo
+	_ = json.Unmarshal(jsonData, &newInfo)
+	fmt.Println(newInfo.Capacity) // Output: 64
+}
+*/