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104
collections/manual/documentation/developers/go/grid3_go_gateways.md
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<h1> Deploying Gateways</h1>
<h2>Table of Contents</h2>
- [Introduction](#introduction)
- [Gateway Name](#gateway-name)
- [Example](#example)
- [Gateway FQDN](#gateway-fqdn)
- [Example](#example-1)
***
## Introduction
After [deploying a VM](./grid3_go_vm.md) you can deploy Gateways to further expose your VM.
## Gateway Name
This generates a FQDN for your VM.
## Example
```go
import (
"fmt"
"github.com/threefoldtech/tfgrid-sdk-go/grid-client/deployer"
"github.com/threefoldtech/tfgrid-sdk-go/grid-client/workloads"
"github.com/threefoldtech/tfgrid-sdk-go/grid-proxy/pkg/types"
"github.com/threefoldtech/zos/pkg/gridtypes/zos"
)
func main() {
// Create Threefold plugin client
tfPluginClient, err := deployer.NewTFPluginClient(mnemonics, "sr25519", network, "", "", true, false)
// Get a free node to deploy
domain := true
status := "up"
filter := types.NodeFilter{
Domain: &domain,
Status: &status,
}
nodeIDs, err := deployer.FilterNodes(tfPluginClient.GridProxyClient, filter)
nodeID := uint32(nodeIDs[0].NodeID)
// Create gateway to deploy
gateway := workloads.GatewayNameProxy{
NodeID: nodeID,
Name: "mydomain",
Backends: []zos.Backend{"http://[300:e9c4:9048:57cf:6d98:42c6:a7bf:2e3f]:8080"},
TLSPassthrough: true,
}
err = tfPluginClient.GatewayNameDeployer.Deploy(ctx, &gateway)
gatewayObj, err := tfPluginClient.State.LoadGatewayNameFromGrid(nodeID, gateway.Name, gateway.Name)
fmt.Println(gatewayObj.FQDN)
}
```
This deploys a Gateway Name Proxy that forwards requests to your VM. You should see an output like this:
```bash
mydomain.gent01.dev.grid.tf
```
## Gateway FQDN
In case you have a FQDN already pointing to the node, you can expose your VM using Gateway FQDN.
## Example
```go
import (
"fmt"
"github.com/threefoldtech/tfgrid-sdk-go/grid-client/deployer"
"github.com/threefoldtech/tfgrid-sdk-go/grid-client/workloads"
"github.com/threefoldtech/zos/pkg/gridtypes/zos"
)
func main() {
// Create Threefold plugin client
tfPluginClient, err := deployer.NewTFPluginClient(mnemonics, "sr25519", network, "", "", "", 0, true)
// Create gateway to deploy
gateway := workloads.GatewayFQDNProxy{
NodeID: 14,
Name: "mydomain",
Backends: []zos.Backend{"http://[300:e9c4:9048:57cf:6d98:42c6:a7bf:2e3f]:8080"},
FQDN: "my.domain.com",
TLSPassthrough: true,
}
err = tfPluginClient.GatewayFQDNDeployer.Deploy(ctx, &gateway)
gatewayObj, err := tfPluginClient.State.LoadGatewayFQDNFromGrid(nodeID, gateway.Name, gateway.Name)
}
```
This deploys a Gateway FQDN Proxy that forwards requests to from node 14 public IP to your VM.

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collections/manual/documentation/developers/go/grid3_go_gpu.md
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<h1> GPU and Go </h1>
<h2> Table of Contents </h2>
- [GPU and Go Introduction](grid3_go_gpu_support.md)
- [Deploy a VM with GPU](grid3_go_vm_with_gpu.md)

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collections/manual/documentation/developers/go/grid3_go_gpu_support.md
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<h1> GPU Support </h1>
<h2> Table of Contents </h2>
- [Introduction](#introduction)
- [Example](#example)
- [More Information](#more-information)
***
## Introduction
We present here an example on how to deploy using the Go client. This is part of our integration tests.
## Example
```go
func TestVMWithGPUDeployment(t *testing.T) {
tfPluginClient, err := setup()
assert.NoError(t, err)
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Minute)
defer cancel()
publicKey, privateKey, err := GenerateSSHKeyPair()
assert.NoError(t, err)
twinID := uint64(tfPluginClient.TwinID)
nodeFilter := types.NodeFilter{
Status: &statusUp,
FreeSRU: convertGBToBytes(20),
FreeMRU: convertGBToBytes(8),
RentedBy: &twinID,
HasGPU: &trueVal,
}
nodes, err := deployer.FilterNodes(ctx, tfPluginClient, nodeFilter)
if err != nil {
t.Skip("no available nodes found")
}
nodeID := uint32(nodes[0].NodeID)
nodeClient, err := tfPluginClient.NcPool.GetNodeClient(tfPluginClient.SubstrateConn, nodeID)
assert.NoError(t, err)
gpus, err := nodeClient.GPUs(ctx)
assert.NoError(t, err)
network := workloads.ZNet{
Name: "gpuNetwork",
Description: "network for testing gpu",
Nodes: []uint32{nodeID},
IPRange: gridtypes.NewIPNet(net.IPNet{
IP: net.IPv4(10, 20, 0, 0),
Mask: net.CIDRMask(16, 32),
}),
AddWGAccess: false,
}
disk := workloads.Disk{
Name: "gpuDisk",
SizeGB: 20,
}
vm := workloads.VM{
Name: "gpu",
Flist: "https://hub.grid.tf/tf-official-vms/ubuntu-22.04.flist",
CPU: 4,
Planetary: true,
Memory: 1024 * 8,
GPUs: ConvertGPUsToStr(gpus),
Entrypoint: "/init.sh",
EnvVars: map[string]string{
"SSH_KEY": publicKey,
},
Mounts: []workloads.Mount{
{DiskName: disk.Name, MountPoint: "/data"},
},
NetworkName: network.Name,
}
err = tfPluginClient.NetworkDeployer.Deploy(ctx, &network)
assert.NoError(t, err)
defer func() {
err = tfPluginClient.NetworkDeployer.Cancel(ctx, &network)
assert.NoError(t, err)
}()
dl := workloads.NewDeployment("gpu", nodeID, "", nil, network.Name, []workloads.Disk{disk}, nil, []workloads.VM{vm}, nil)
err = tfPluginClient.DeploymentDeployer.Deploy(ctx, &dl)
assert.NoError(t, err)
defer func() {
err = tfPluginClient.DeploymentDeployer.Cancel(ctx, &dl)
assert.NoError(t, err)
}()
vm, err = tfPluginClient.State.LoadVMFromGrid(nodeID, vm.Name, dl.Name)
assert.NoError(t, err)
assert.Equal(t, vm.GPUs, ConvertGPUsToStr(gpus))
time.Sleep(30 * time.Second)
output, err := RemoteRun("root", vm.YggIP, "lspci -v", privateKey)
assert.NoError(t, err)
assert.Contains(t, string(output), gpus[0].Vendor)
}
```
## More Information
For more information on this, you can check this [Client Pull Request](https://github.com/threefoldtech/tfgrid-sdk-go/pull/207/) on how to support the new calls to list GPUs and to deploy a machine with GPU.

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<h1>Go Client Installation</h1>
<h2>Table of Contents</h2>
- [Introduction](#introduction)
- [Requirements](#requirements)
- [Steps](#steps)
- [References](#references)
***
## Introduction
We present the general steps to install the ThreeFold Grid3 Go Client.
## Requirements
Make sure that you have at least Go 1.19 installed on your machine.
- [Go](https://golang.org/doc/install) >= 1.19
## Steps
* Create a new directory
* ```bash
mkdir tf_go_client
```
* Change directory
* ```bash
cd tf_go_client
```
* Creates a **go.mod** file to track the code's dependencies
* ```bash
go mod init main
```
* Install the Grid3 Go Client
* ```bash
go get github.com/threefoldtech/tfgrid-sdk-go/grid-client
```
This will make Grid3 Go Client packages available to you.
## References
For more information, you can read the official [Go documentation](https://go.dev/doc/).

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collections/manual/documentation/developers/go/grid3_go_kubernetes.md
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<h1> Deploying Kubernetes Clusters</h1>
<h2>Table of Contents</h2>
- [Introduction](#introduction)
- [Example](#example)
***
## Introduction
We show how to deploy a Kubernetes cluster with the Go client.
## Example
```go
import (
"fmt"
"net"
"github.com/threefoldtech/tfgrid-sdk-go/grid-client/deployer"
"github.com/threefoldtech/tfgrid-sdk-go/grid-client/workloads"
"github.com/threefoldtech/tfgrid-sdk-go/grid-proxy/pkg/types"
"github.com/threefoldtech/zos/pkg/gridtypes"
)
func main() {
// Create Threefold plugin client
tfPluginClient, err := deployer.NewTFPluginClient(mnemonics, "sr25519", network, "", "", "", 0, true)
// Get a free node to deploy
freeMRU := uint64(1)
freeSRU := uint64(1)
status := "up"
filter := types.NodeFilter{
FreeMRU: &freeMRU,
FreeSRU: &freeSRU,
Status: &status,
}
nodeIDs, err := deployer.FilterNodes(tfPluginClient.GridProxyClient, filter)
masterNodeID := uint32(nodeIDs[0].NodeID)
workerNodeID1 := uint32(nodeIDs[1].NodeID)
workerNodeID2 := uint32(nodeIDs[2].NodeID)
// Create a new network to deploy
network := workloads.ZNet{
Name: "newNetwork",
Description: "A network to deploy",
Nodes: []uint32{masterNodeID, workerNodeID1, workerNodeID2},
IPRange: gridtypes.NewIPNet(net.IPNet{
IP: net.IPv4(10, 1, 0, 0),
Mask: net.CIDRMask(16, 32),
}),
AddWGAccess: true,
}
// Create master and worker nodes to deploy
master := workloads.K8sNode{
Name: "master",
Node: masterNodeID,
DiskSize: 1,
CPU: 2,
Memory: 1024,
Planetary: true,
Flist: "https://hub.grid.tf/tf-official-apps/threefoldtech-k3s-latest.flist",
}
worker1 := workloads.K8sNode{
Name: "worker1",
Node: workerNodeID1,
DiskSize: 1,
CPU: 2,
Memory: 1024,
Flist: "https://hub.grid.tf/tf-official-apps/threefoldtech-k3s-latest.flist",
}
worker2 := workloads.K8sNode{
Name: "worker2",
Node: workerNodeID2,
DiskSize: 1,
Flist: "https://hub.grid.tf/tf-official-apps/threefoldtech-k3s-latest.flist",
CPU: 2,
Memory: 1024,
}
k8sCluster := workloads.K8sCluster{
Master: &master,
Workers: []workloads.K8sNode{worker1, worker2},
Token: "tokens",
SSHKey: publicKey,
NetworkName: network.Name,
}
// Deploy the network first
err = tfPluginClient.NetworkDeployer.Deploy(ctx, &network)
// Deploy the k8s cluster
err = tfPluginClient.K8sDeployer.Deploy(ctx, &k8sCluster)
// Load the k8s cluster
k8sClusterObj, err := tfPluginClient.State.LoadK8sFromGrid([]uint32{masterNodeID, workerNodeID1, workerNodeID2}, master.Name)
// Print master node Yggdrasil IP
fmt.Println(k8sClusterObj.Master.YggIP)
// Cancel the VM deployment
err = tfPluginClient.K8sDeployer.Cancel(ctx, &k8sCluster)
// Cancel the network deployment
err = tfPluginClient.NetworkDeployer.Cancel(ctx, &network)
}
```
You should see an output like this:
```bash
300:e9c4:9048:57cf:6d98:42c6:a7bf:2e3f
```

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<h1>Load Client</h1>
<h2>Table of Contents</h2>
- [Introduction](#introduction)
- [TFPluginClient Configuration](#tfpluginclient-configuration)
- [Creating Client](#creating-client)
***
## Introduction
We cover how to load client using the Go client.
## TFPluginClient Configuration
- mnemonics
- keyType: can be `ed25519` or `sr25519`
- network: can be `dev`, `qa`, `test` or `main`
## Creating Client
Import `deployer` package to your project:
```go
import "github.com/threefoldtech/tfgrid-sdk-go/grid-client/deployer"
```
Create new Client:
```go
func main() {
client, err := deployer.NewTFPluginClient(mnemonics, keyType, network, "", "", "", 0, true)
}
```

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<h1> Deploying QSFS </h1>
<h2>Table of Contents</h2>
- [Introduction](#introduction)
- [Example](#example)
***
## Introduction
We show how to deploy QSFS workloads with the Go client.
## Example
```go
import (
"context"
"fmt"
"net"
"github.com/threefoldtech/tfgrid-sdk-go/grid-client/deployer"
"github.com/threefoldtech/tfgrid-sdk-go/grid-client/workloads"
"github.com/threefoldtech/tfgrid-sdk-go/grid-proxy/pkg/types"
"github.com/threefoldtech/zos/pkg/gridtypes"
)
func main() {
// Create Threefold plugin client
tfPluginClient, err := deployer.NewTFPluginClient(mnemonics, "sr25519", network, "", "", "", 0, true)
// Get a free node to deploy
freeMRU := uint64(2)
freeSRU := uint64(20)
status := "up"
filter := types.NodeFilter{
FreeMRU: &freeMRU,
FreeSRU: &freeSRU,
Status: &status,
}
nodeIDs, err := deployer.FilterNodes(tfPluginClient.GridProxyClient, filter)
nodeID := uint32(nodeIDs[0].NodeID)
// Create data and meta ZDBs
dataZDBs := []workloads.ZDB{}
metaZDBs := []workloads.ZDB{}
for i := 1; i <= DataZDBNum; i++ {
zdb := workloads.ZDB{
Name: "qsfsDataZdb" + strconv.Itoa(i),
Password: "password",
Public: true,
Size: 1,
Description: "zdb for testing",
Mode: zos.ZDBModeSeq,
}
dataZDBs = append(dataZDBs, zdb)
}
for i := 1; i <= MetaZDBNum; i++ {
zdb := workloads.ZDB{
Name: "qsfsMetaZdb" + strconv.Itoa(i),
Password: "password",
Public: true,
Size: 1,
Description: "zdb for testing",
Mode: zos.ZDBModeUser,
}
metaZDBs = append(metaZDBs, zdb)
}
// Deploy ZDBs
dl1 := workloads.NewDeployment("qsfs", nodeID, "", nil, "", nil, append(dataZDBs, metaZDBs...), nil, nil)
err = tfPluginClient.DeploymentDeployer.Deploy(ctx, &dl1)
// result ZDBs
resDataZDBs := []workloads.ZDB{}
resMetaZDBs := []workloads.ZDB{}
for i := 1; i <= DataZDBNum; i++ {
res, err := tfPluginClient.State.LoadZdbFromGrid(nodeID, "qsfsDataZdb"+strconv.Itoa(i), dl1.Name)
resDataZDBs = append(resDataZDBs, res)
}
for i := 1; i <= MetaZDBNum; i++ {
res, err := tfPluginClient.State.LoadZdbFromGrid(nodeID, "qsfsMetaZdb"+strconv.Itoa(i), dl1.Name)
resMetaZDBs = append(resMetaZDBs, res)
}
// backends
dataBackends := []workloads.Backend{}
metaBackends := []workloads.Backend{}
for i := 0; i < DataZDBNum; i++ {
dataBackends = append(dataBackends, workloads.Backend{
Address: "[" + resDataZDBs[i].IPs[1] + "]" + ":" + fmt.Sprint(resDataZDBs[i].Port),
Namespace: resDataZDBs[i].Namespace,
Password: resDataZDBs[i].Password,
})
}
for i := 0; i < MetaZDBNum; i++ {
metaBackends = append(metaBackends, workloads.Backend{
Address: "[" + resMetaZDBs[i].IPs[1] + "]" + ":" + fmt.Sprint(resMetaZDBs[i].Port),
Namespace: resMetaZDBs[i].Namespace,
Password: resMetaZDBs[i].Password,
})
}
// Create a new qsfs to deploy
qsfs := workloads.QSFS{
Name: "qsfs",
Description: "qsfs for testing",
Cache: 1024,
MinimalShards: 2,
ExpectedShards: 4,
RedundantGroups: 0,
RedundantNodes: 0,
MaxZDBDataDirSize: 512,
EncryptionAlgorithm: "AES",
EncryptionKey: "4d778ba3216e4da4231540c92a55f06157cabba802f9b68fb0f78375d2e825af",
CompressionAlgorithm: "snappy",
Groups: workloads.Groups{{Backends: dataBackends}},
Metadata: workloads.Metadata{
Type: "zdb",
Prefix: "test",
EncryptionAlgorithm: "AES",
EncryptionKey: "4d778ba3216e4da4231540c92a55f06157cabba802f9b68fb0f78375d2e825af",
Backends: metaBackends,
},
}
// Create a new network to deploy
network := workloads.ZNet{
Name: "newNetwork",
Description: "A network to deploy",
Nodes: []uint32{nodeID},
IPRange: gridtypes.NewIPNet(net.IPNet{
IP: net.IPv4(10, 1, 0, 0),
Mask: net.CIDRMask(16, 32),
}),
AddWGAccess: true,
}
vm := workloads.VM{
Name: "vm",
Flist: "https://hub.grid.tf/tf-official-apps/base:latest.flist",
CPU: 2,
Planetary: true,
Memory: 1024,
Entrypoint: "/sbin/zinit init",
EnvVars: map[string]string{
"SSH_KEY": publicKey,
},
Mounts: []workloads.Mount{
{DiskName: qsfs.Name, MountPoint: "/qsfs"},
},
NetworkName: network.Name,
}
// Deploy the network first
err = tfPluginClient.NetworkDeployer.Deploy(ctx, &network)
// Deploy the VM/QSFS deployment
dl2 := workloads.NewDeployment("qsfs", nodeID, "", nil, network.Name, nil, append(dataZDBs, metaZDBs...), []workloads.VM{vm}, []workloads.QSFS{qsfs})
err = tfPluginClient.DeploymentDeployer.Deploy(ctx, &dl2)
// Load the QSFS using the state loader
qsfsObj, err := tfPluginClient.State.LoadQSFSFromGrid(nodeID, qsfs.Name, dl2.Name)
// Load the VM using the state loader
vmObj, err := tfPluginClient.State.LoadVMFromGrid(nodeID, vm.Name, dl2.Name)
// Print the VM Yggdrasil IP
fmt.Println(vmObj.YggIP)
// Cancel the VM,QSFS deployment
err = tfPluginClient.DeploymentDeployer.Cancel(ctx, &dl1)
err = tfPluginClient.DeploymentDeployer.Cancel(ctx, &dl2)
// Cancel the network deployment
err = tfPluginClient.NetworkDeployer.Cancel(ctx, &network)
}
```
Running this code should result in a VM with QSFS deployed on an available node and get an output like this:
```bash
Yggdrasil IP: 300:e9c4:9048:57cf:6d98:42c6:a7bf:2e3f
```

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# Grid Go Client
Grid Go Client is a Go client created to interact and develop on Threefold Grid using Go language.
Please make sure to check the [basics](../../system_administrators/getstarted/tfgrid3_getstarted.md) before continuing.
<h2> Table of Contents </h2>
- [Installation](../go/grid3_go_installation.md)
- [Loading Client](../go/grid3_go_load_client.md)
- [Deploy a VM](../go/grid3_go_vm.md)
- [Deploy a VM with GPU](../go/grid3_go_vm_with_gpu.md)
- [Deploy Multiple VMs](../go/grid3_go_vms.md)
- [Deploy Gateways](../go/grid3_go_gateways.md)
- [Deploy Kubernetes](../go/grid3_go_kubernetes.md)
- [Deploy a QSFS](../go/grid3_go_qsfs.md)
- [GPU Support](../go/grid3_go_gpu_support.md)

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<h1> Deploying a VM</h1>
<h2>Table of Contents</h2>
- [Introduction](#introduction)
- [Example](#example)
***
## Introduction
We show how to deploy a VM with the Go client.
## Example
```go
import (
"context"
"fmt"
"net"
"github.com/threefoldtech/tfgrid-sdk-go/grid-client/deployer"
"github.com/threefoldtech/tfgrid-sdk-go/grid-client/workloads"
"github.com/threefoldtech/tfgrid-sdk-go/grid-proxy/pkg/types"
"github.com/threefoldtech/zos/pkg/gridtypes"
)
func main() {
// Create Threefold plugin client
tfPluginClient, err := deployer.NewTFPluginClient(mnemonics, keyType, network, "", "", "", 0, true)
// Get a free node to deploy
freeMRU := uint64(2)
freeSRU := uint64(20)
status := "up"
filter := types.NodeFilter{
FreeMRU: &freeMRU,
FreeSRU: &freeSRU,
Status: &status,
}
nodeIDs, err := deployer.FilterNodes(tfPluginClient.GridProxyClient, filter)
nodeID := uint32(nodeIDs[0].NodeID)
// Create a new network to deploy
network := workloads.ZNet{
Name: "newNetwork",
Description: "A network to deploy",
Nodes: []uint32{nodeID},
IPRange: gridtypes.NewIPNet(net.IPNet{
IP: net.IPv4(10, 1, 0, 0),
Mask: net.CIDRMask(16, 32),
}),
AddWGAccess: true,
}
// Create a new VM to deploy
vm := workloads.VM{
Name: "vm",
Flist: "https://hub.grid.tf/tf-official-apps/base:latest.flist",
CPU: 2,
PublicIP: true,
Planetary: true,
Memory: 1024,
RootfsSize: 20 * 1024,
Entrypoint: "/sbin/zinit init",
EnvVars: map[string]string{
"SSH_KEY": publicKey,
},
IP: "10.20.2.5",
NetworkName: network.Name,
}
// Deploy the network first
err = tfPluginClient.NetworkDeployer.Deploy(ctx, &network)
// Deploy the VM deployment
dl := workloads.NewDeployment("vm", nodeID, "", nil, network.Name, nil, nil, []workloads.VM{vm}, nil)
err = tfPluginClient.DeploymentDeployer.Deploy(ctx, &dl)
// Load the VM using the state loader
vmObj, err := tfPluginClient.State.LoadVMFromGrid(nodeID, vm.Name, dl.Name)
// Print the VM Yggdrasil IP
fmt.Println(vmObj.YggIP)
// Cancel the VM deployment
err = tfPluginClient.DeploymentDeployer.Cancel(ctx, &dl)
// Cancel the network deployment
err = tfPluginClient.NetworkDeployer.Cancel(ctx, &network)
}
```
Running this code should result in a VM deployed on an available node and get an output like this:
```bash
300:e9c4:9048:57cf:6d98:42c6:a7bf:2e3f
```

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<h1> Deploy a VM with GPU </h1>
<h2> Table of Contents </h2>
- [Introduction](#introduction)
- [Example](#example)
***
## Introduction
In this section, we explore how to deploy a virtual machine equipped with GPU. We deploy the VM using Go. The VM will be deployed on a 3Node with an available GPU.
## Example
```go
import (
"context"
"fmt"
"net"
"github.com/threefoldtech/tfgrid-sdk-go/grid-client/deployer"
"github.com/threefoldtech/tfgrid-sdk-go/grid-client/workloads"
"github.com/threefoldtech/tfgrid-sdk-go/grid-proxy/pkg/types"
"github.com/threefoldtech/zos/pkg/gridtypes"
)
func main() {
// Create Threefold plugin client
tfPluginClient, err := deployer.NewTFPluginClient(mnemonics, "sr25519", network, "", "", "", 0, true)
// Get a free node to deploy
freeMRU := uint64(2)
freeSRU := uint64(20)
status := "up"
trueVal := true
twinID := uint64(tfPluginClient.TwinID)
filter := types.NodeFilter{
FreeMRU: &freeMRU,
FreeSRU: &freeSRU,
Status: &status,
RentedBy: &twinID,
HasGPU: &trueVal,
}
nodeIDs, err := deployer.FilterNodes(tfPluginClient.GridProxyClient, filter)
nodeID := uint32(nodeIDs[0].NodeID)
// Get the available gpus on the node
nodeClient, err := tfPluginClient.NcPool.GetNodeClient(tfPluginClient.SubstrateConn, nodeID)
gpus, err := nodeClient.GPUs(ctx)
// Create a new network to deploy
network := workloads.ZNet{
Name: "newNetwork",
Description: "A network to deploy",
Nodes: []uint32{nodeID},
IPRange: gridtypes.NewIPNet(net.IPNet{
IP: net.IPv4(10, 1, 0, 0),
Mask: net.CIDRMask(16, 32),
}),
AddWGAccess: true,
}
// Create a new disk to deploy
disk := workloads.Disk{
Name: "gpuDisk",
SizeGB: 20,
}
// Create a new VM to deploy
vm := workloads.VM{
Name: "vm",
Flist: "https://hub.grid.tf/tf-official-apps/base:latest.flist",
CPU: 2,
PublicIP: true,
Planetary: true,
// Insert your GPUs' IDs here
GPUs: []zos.GPU{zos.GPU(gpus[0].ID)},
Memory: 1024,
RootfsSize: 20 * 1024,
Entrypoint: "/sbin/zinit init",
EnvVars: map[string]string{
"SSH_KEY": publicKey,
},
Mounts: []workloads.Mount{
{DiskName: disk.Name, MountPoint: "/data"},
},
IP: "10.20.2.5",
NetworkName: network.Name,
}
// Deploy the network first
err = tfPluginClient.NetworkDeployer.Deploy(ctx, &network)
// Deploy the VM deployment
dl := workloads.NewDeployment("gpu", nodeID, "", nil, network.Name, []workloads.Disk{disk}, nil, []workloads.VM{vm}, nil)
err = tfPluginClient.DeploymentDeployer.Deploy(ctx, &dl)
// Load the VM using the state loader
vmObj, err := tfPluginClient.State.LoadVMFromGrid(nodeID, vm.Name, dl.Name)
// Print the VM Yggdrasil IP
fmt.Println(vmObj.YggIP)
// Cancel the VM deployment
err = tfPluginClient.DeploymentDeployer.Cancel(ctx, &dl)
// Cancel the network deployment
err = tfPluginClient.NetworkDeployer.Cancel(ctx, &network)
}
```
Running this code should result in a VM with a GPU deployed on an available node. The output should look like this:
```bash
Yggdrasil IP: 300:e9c4:9048:57cf:6d98:42c6:a7bf:2e3f
```

125
collections/manual/documentation/developers/go/grid3_go_vms.md
View File

@@ -1,125 +0,0 @@
<h1> Deploying Multiple VMs</h1>
<h2>Table of Contents</h2>
- [Introduction](#introduction)
- [Example](#example)
***
## Introduction
We show how to deploy multiple VMs with the Go client.
## Example
```go
import (
"context"
"fmt"
"net"
"github.com/threefoldtech/tfgrid-sdk-go/grid-client/deployer"
"github.com/threefoldtech/tfgrid-sdk-go/grid-client/workloads"
"github.com/threefoldtech/tfgrid-sdk-go/grid-proxy/pkg/types"
"github.com/threefoldtech/zos/pkg/gridtypes"
)
func main() {
// Create Threefold plugin client
tfPluginClient, err := deployer.NewTFPluginClient(mnemonics, "sr25519", network, "", "", "", 0, true)
// Get a free node to deploy
freeMRU := uint64(2)
freeSRU := uint64(2)
status := "up"
filter := types.NodeFilter {
FreeMRU: &freeMRU,
FreeSRU: &freeSRU,
Status: &status,
}
nodeIDs, err := deployer.FilterNodes(tfPluginClient.GridProxyClient, filter)
nodeID1 := uint32(nodeIDs[0].NodeID)
nodeID2 := uint32(nodeIDs[1].NodeID)
// Create a new network to deploy
network := workloads.ZNet{
Name: "newNetwork",
Description: "A network to deploy",
Nodes: []uint32{nodeID1, nodeID2},
IPRange: gridtypes.NewIPNet(net.IPNet{
IP: net.IPv4(10, 1, 0, 0),
Mask: net.CIDRMask(16, 32),
}),
AddWGAccess: true,
}
// Create new VMs to deploy
vm1 := workloads.VM{
Name: "vm1",
Flist: "https://hub.grid.tf/tf-official-apps/base:latest.flist",
CPU: 2,
PublicIP: true,
Planetary: true,
Memory: 1024,
RootfsSize: 20 * 1024,
Entrypoint: "/sbin/zinit init",
EnvVars: map[string]string{
"SSH_KEY": publicKey,
},
IP: "10.20.2.5",
NetworkName: network.Name,
}
vm2 := workloads.VM{
Name: "vm2",
Flist: "https://hub.grid.tf/tf-official-apps/base:latest.flist",
CPU: 2,
PublicIP: true,
Planetary: true,
Memory: 1024,
RootfsSize: 20 * 1024,
Entrypoint: "/sbin/zinit init",
EnvVars: map[string]string{
"SSH_KEY": publicKey,
},
IP: "10.20.2.6",
NetworkName: network.Name,
}
// Deploy the network first
err = tfPluginClient.NetworkDeployer.Deploy(ctx, &network)
// Load the network using the state loader
// this loader should load the deployment as json then convert it to a deployment go object with workloads inside it
networkObj, err := tfPluginClient.State.LoadNetworkFromGrid(network.Name)
// Deploy the VM deployments
dl1 := workloads.NewDeployment("vm1", nodeID1, "", nil, network.Name, nil, nil, []workloads.VM{vm1}, nil)
dl2 := workloads.NewDeployment("vm2", nodeID2, "", nil, network.Name, nil, nil, []workloads.VM{vm2}, nil)
err = tfPluginClient.DeploymentDeployer.BatchDeploy(ctx, []*workloads.Deployment{&dl1, &dl2})
// Load the VMs using the state loader
vmObj1, err := tfPluginClient.State.LoadVMFromGrid(nodeID1, vm1.Name, dl1.Name)
vmObj2, err := tfPluginClient.State.LoadVMFromGrid(nodeID2, vm2.Name, dl2.Name)
// Print the VMs Yggdrasil IP
fmt.Println(vmObj1.YggIP)
fmt.Println(vmObj2.YggIP)
// Cancel the VM deployments
err = tfPluginClient.DeploymentDeployer.Cancel(ctx, &dl1)
err = tfPluginClient.DeploymentDeployer.Cancel(ctx, &dl2)
// Cancel the network
err = tfPluginClient.NetworkDeployer.Cancel(ctx, &network)
}
```
Running this code should result in two VMs deployed on two separate nodes while being on the same network and you should see an output like this:
```bash
300:e9c4:9048:57cf:f4e0:2343:f891:6037
300:e9c4:9048:57cf:6d98:42c6:a7bf:2e3f
```