commit c8483de7a9a4bdafeb39dc29ee8bc55106c87a33
Author: Danny Bessems <danny@bessems.eu>
Date:   Thu Dec 22 13:07:21 2022 +0100

    Initial commit/push

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..fa0d2d1
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,4 @@
+.vscode
+
+bin**
+config.yml
diff --git a/cmd/vappprop-manager/main.go b/cmd/vappprop-manager/main.go
new file mode 100644
index 0000000..67c1b1e
--- /dev/null
+++ b/cmd/vappprop-manager/main.go
@@ -0,0 +1,43 @@
+package main
+
+import (
+	"context"
+	"flag"
+	"log"
+
+	"spamasaurus.com/m/pkg/config"
+	"spamasaurus.com/m/pkg/hypervisor"
+)
+
+func main() {
+	var virtualmachine string
+
+	flag.StringVar(&virtualmachine, "vm", "", "name of VM")
+	flag.Parse()
+
+	if virtualmachine == "" {
+		log.Fatalf("Name of vm is required")
+	}
+
+	cfg, err := config.NewConfig()
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
+	clt, err := hypervisor.NewClient(ctx, cfg.Hypervisor.Url, cfg.Hypervisor.Username, cfg.Hypervisor.Password, true)
+	if err != nil {
+		log.Fatalf("Login failed: %s", err)
+	}
+
+	fnd, err := hypervisor.DatacenterFinder(ctx, clt, cfg.Hypervisor.Datacenter)
+	if err != nil {
+		log.Fatalf("Foo indeed: %s", err)
+	}
+
+	if err := hypervisor.SetVirtualMachineProperties(ctx, fnd, virtualmachine); err != nil {
+		log.Fatalf("Could not apply vApp properties: %s", err)
+	}
+}
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..6b65094
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,7 @@
+module spamasaurus.com/m
+
+go 1.19
+
+require github.com/vmware/govmomi v0.30.0
+
+require gopkg.in/yaml.v2 v2.4.0 // indirect
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..1f9b21e
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,6 @@
+github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I=
+github.com/vmware/govmomi v0.30.0 h1:Fm8ugPnnlMSTSceDKY9goGvjmqc6eQLPUSUeNXdpeXA=
+github.com/vmware/govmomi v0.30.0/go.mod h1:F7adsVewLNHsW/IIm7ziFURaXDaHEwcc+ym4r3INMdY=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
+gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
diff --git a/pkg/config/config.go b/pkg/config/config.go
new file mode 100644
index 0000000..ae5c675
--- /dev/null
+++ b/pkg/config/config.go
@@ -0,0 +1,51 @@
+package config
+
+import (
+	"flag"
+	"fmt"
+	"os"
+
+	"gopkg.in/yaml.v2"
+)
+
+type Config struct {
+	Hypervisor struct {
+		Url      string `yaml:"url"`
+		Username string `yaml:"username"`
+		Password string `yaml:"password"`
+
+		Datacenter string `yaml:"datacenter"`
+	} `yaml:"hypervisor"`
+}
+
+func NewConfig() (*Config, error) {
+	var configPath string
+
+	flag.StringVar(&configPath, "config", "./config.yml", "path to config file")
+	flag.Parse()
+
+	s, err := os.Stat(configPath)
+	if err != nil {
+		return nil, err
+	}
+	if s.IsDir() {
+		return nil, fmt.Errorf("'%s' is a directory, not a regular file", configPath)
+	}
+
+
+	config := &Config{}
+
+	file, err := os.Open(configPath)
+	if err != nil {
+		return nil, err
+	}
+	defer file.Close()
+
+	d := yaml.NewDecoder(file)
+
+	if err := d.Decode(&config); err != nil {
+		return nil, err
+	}
+
+	return config, nil
+}
diff --git a/pkg/hypervisor/client.go b/pkg/hypervisor/client.go
new file mode 100644
index 0000000..e7400ba
--- /dev/null
+++ b/pkg/hypervisor/client.go
@@ -0,0 +1,44 @@
+package hypervisor
+
+import (
+	"context"
+	neturl "net/url"
+
+	"github.com/vmware/govmomi/find"
+	"github.com/vmware/govmomi/session/cache"
+	"github.com/vmware/govmomi/vim25"
+	"github.com/vmware/govmomi/vim25/soap"
+)
+
+func NewClient(ctx context.Context, host, username, password string, insecure bool) (*vim25.Client, error) {
+	url, err := soap.ParseURL(host)
+	if err != nil {
+		return nil, err
+	}
+
+	url.User = neturl.UserPassword(username, password)
+
+	session := &cache.Session{
+		URL:      url,
+		Insecure: insecure,
+	}
+
+	clt := new(vim25.Client)
+	err = session.Login(ctx, clt, nil)
+	if err != nil {
+		return nil, err
+	}
+
+	return clt, err
+}
+
+func DatacenterFinder(ctx context.Context, clt *vim25.Client, datacenter string) (*find.Finder, error) {
+	fnd := find.NewFinder(clt)
+
+	founddc, err := fnd.DatacenterOrDefault(ctx, datacenter)
+	if err != nil {
+		return nil, err
+	}
+
+	return fnd.SetDatacenter(founddc), nil
+}
diff --git a/pkg/hypervisor/vm.go b/pkg/hypervisor/vm.go
new file mode 100644
index 0000000..eb0e857
--- /dev/null
+++ b/pkg/hypervisor/vm.go
@@ -0,0 +1,62 @@
+package hypervisor
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/vmware/govmomi/find"
+	"github.com/vmware/govmomi/vim25/types"
+)
+
+type vAPPProperty struct {
+	Key   string
+	Value string
+}
+
+func SetVirtualMachineProperties(ctx context.Context, fnd *find.Finder, name string) error {
+	vm, err := fnd.VirtualMachine(ctx, name)
+	if err != nil {
+		return err
+	}
+
+	vappproperties := []vAPPProperty{
+		{
+			Key:   "foo",
+			Value: "bar",
+		},
+		{
+			Key:   "woot",
+			Value: "dude",
+		},
+	}
+
+	vappconfig := &types.VmConfigSpec{
+		// OvfEnvironmentTransport: []string{"com.vmware.guestinfo"},
+	}
+
+	for i, vappproperty := range vappproperties {
+		vappconfig.Property = append(vappconfig.Property, types.VAppPropertySpec{
+			ArrayUpdateSpec: types.ArrayUpdateSpec{
+				Operation: types.ArrayUpdateOperationAdd,
+			},
+			Info: &types.VAppPropertyInfo{
+				Key:          int32(i),
+				Id:           vappproperty.Key,
+				DefaultValue: fmt.Sprintf("${%v}", vappproperty.Value),
+				Type:         "expression",
+			},
+		})
+	}
+
+	task, err := vm.Reconfigure(ctx, types.VirtualMachineConfigSpec{
+		VAppConfig: vappconfig,
+	})
+	if err != nil {
+		return err
+	}
+	if err := task.Wait(ctx); err != nil {
+		return err
+	}
+
+	return nil
+}