gc-infra/iac/cluster/utils/resource-creation.go

111 lines
3.2 KiB
Go

package utils
import (
"fmt"
"gc-infra/config"
"net"
"github.com/pulumi/pulumi-hcloud/sdk/go/hcloud"
"github.com/pulumi/pulumi-tls/sdk/v5/go/tls"
"github.com/pulumi/pulumi/sdk/v3/go/pulumi"
)
func CreateSshKey(ctx *pulumi.Context) (*tls.PrivateKey, error) {
return tls.NewPrivateKey(ctx, "sshKey", &tls.PrivateKeyArgs{
Algorithm: pulumi.String("ED25519"),
}, pulumi.AdditionalSecretOutputs([]string{"privKey"}))
}
func CreatePlacementGroup(ctx *pulumi.Context, name string) (*hcloud.PlacementGroup, error) {
pg, err := hcloud.NewPlacementGroup(ctx, name, &hcloud.PlacementGroupArgs{
Name: pulumi.String(name),
Type: pulumi.String("spread"),
})
return pg, err
}
func CreateClusterNet(ctx *pulumi.Context, cfg config.InfraConfig) (*pulumi.IDOutput, error) {
var id pulumi.IDOutput
network, err := hcloud.NewNetwork(ctx, cfg.SwarmNetworkName, &hcloud.NetworkArgs{
Name: pulumi.String(cfg.SwarmNetworkName),
IpRange: pulumi.String(cfg.SwarmIpRange),
})
if err != nil {
return nil, err
}
id = network.ID()
_, err = hcloud.NewNetworkSubnet(ctx, "network-subnet", &hcloud.NetworkSubnetArgs{
Type: pulumi.String("cloud"),
NetworkId: IDtoIntOutput(id),
NetworkZone: pulumi.String("eu-central"),
IpRange: pulumi.String(cfg.SwarmSubnetIpRange),
})
if err != nil {
return nil, err
}
return &id, nil
}
type CreateServerArgs struct {
NetworkId pulumi.IDInput
PlacementGroupId pulumi.IDInput
// The first assignable IP of the network
NetworkFirstIP string
Basename string
Count int
SshKey *hcloud.SshKey
ServerType string
}
func CreateServer(ctx *pulumi.Context, cfg CreateServerArgs) ([]*hcloud.Server, error) {
var nodes []*hcloud.Server
nextIp := cfg.NetworkFirstIP
for i := range cfg.Count {
sn := fmt.Sprintf("%s-%d", cfg.Basename, i+1)
s, err := hcloud.NewServer(ctx, sn, &hcloud.ServerArgs{
Name: pulumi.String(sn),
Image: pulumi.String("docker-ce"),
ServerType: pulumi.String(cfg.ServerType),
Location: pulumi.StringPtr("hel1"),
Networks: hcloud.ServerNetworkTypeArray{
&hcloud.ServerNetworkTypeArgs{
NetworkId: IDtoIntOutput(cfg.NetworkId),
Ip: pulumi.String(nextIp),
},
},
PlacementGroupId: IDtoIntPtrOutput(cfg.PlacementGroupId),
PublicNets: hcloud.ServerPublicNetArray{
&hcloud.ServerPublicNetArgs{
// Ipv4Enabled: pulumi.Bool(true),
Ipv6Enabled: pulumi.Bool(true),
},
},
SshKeys: pulumi.StringArray{cfg.SshKey.ID()},
})
if err != nil {
return nodes, err
}
cephVolume, err := hcloud.NewVolume(ctx, fmt.Sprintf("ceph-%s", sn), &hcloud.VolumeArgs{
Name: pulumi.Sprintf("%s-ceph-vol-0%d", s.Name, i+1),
Size: pulumi.Int(100),
Location: s.Location,
})
if err != nil {
return nodes, fmt.Errorf("couldn't create volume: %w", err)
}
_, err = hcloud.NewVolumeAttachment(ctx, fmt.Sprintf("ceph-vol-attach-%s", sn), &hcloud.VolumeAttachmentArgs{
VolumeId: IDtoIntOutput(cephVolume.ID()),
ServerId: IDtoIntOutput(s.ID()),
})
if err != nil {
return nodes, fmt.Errorf("couldn't attach volume to node %d", i)
}
nodes = append(nodes, s)
nextIp = IncrementIP(net.ParseIP(nextIp)).String()
}
return nodes, nil
}