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terraform: QEMU node groups (#1961)

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* init

add variables

add amount to instance_group again

fix tf validate

rollback old names

make fields optional

fix image ref mini

daniel comments

use latest

* Update cli/internal/terraform/terraform/qemu/main.tf

Co-authored-by: Malte Poll <1780588+malt3@users.noreply.github.com>

* add uid to resource name

* make machine a global variable again

* fix tf

---------

Co-authored-by: Malte Poll <1780588+malt3@users.noreply.github.com>
This commit is contained in:
Adrian Stobbe 2023-06-28 14:42:34 +02:00 • committed by GitHub
parent 161bb37cba
commit 9bb91ca447
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11 changed files with 202 additions and 188 deletions
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83
cli/internal/terraform/variables.go
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@ -277,71 +277,68 @@ func (v *OpenStackClusterVariables) String() string {
// QEMUVariables is user configuration for creating a QEMU cluster with Terraform.
type QEMUVariables struct {
// CommonVariables contains common variables.
CommonVariables
// Name is the name to use for the cluster.
Name string `hcl:"name" cty:"name"`
// NodeGroups is a map of node groups to create.
NodeGroups map[string]QEMUNodeGroup `hcl:"node_groups" cty:"node_groups"`
// Machine is the type of machine to use. use 'q35' for secure boot and 'pc' for non secure boot. See 'qemu-system-x86_64 -machine help'
Machine string `hcl:"machine" cty:"machine"`
// LibvirtURI is the libvirt connection URI.
LibvirtURI string
LibvirtURI string `hcl:"libvirt_uri" cty:"libvirt_uri"`
// LibvirtSocketPath is the path to the libvirt socket in case of unix socket.
LibvirtSocketPath string
LibvirtSocketPath string `hcl:"libvirt_socket_path" cty:"libvirt_socket_path"`
// BootMode is the boot mode to use.
// Can be either "uefi" or "direct-linux-boot".
BootMode string
// CPUCount is the number of CPUs to allocate to each node.
CPUCount int
// MemorySizeMiB is the amount of memory to allocate to each node, in MiB.
MemorySizeMiB int
// IPRangeStart is the first IP address in the IP range to allocate to the cluster.
ImagePath string
BootMode string `hcl:"constellation_boot_mode" cty:"constellation_boot_mode"`
// ImagePath is the path to the image to use for the nodes.
ImagePath string `hcl:"constellation_os_image" cty:"constellation_os_image"`
// ImageFormat is the format of the image from ImagePath.
ImageFormat string
ImageFormat string `hcl:"image_format" cty:"image_format"`
// MetadataAPIImage is the container image to use for the metadata API.
MetadataAPIImage string
MetadataAPIImage string `hcl:"metadata_api_image" cty:"metadata_api_image"`
// MetadataLibvirtURI is the libvirt connection URI used by the metadata container.
// In case of unix socket, this should be "qemu:///system".
// Other wise it should be the same as LibvirtURI.
MetadataLibvirtURI string
MetadataLibvirtURI string `hcl:"metadata_libvirt_uri" cty:"metadata_libvirt_uri"`
// NVRAM is the path to the NVRAM template.
NVRAM string
NVRAM string `hcl:"nvram" cty:"nvram"`
// Firmware is the path to the firmware.
Firmware string
Firmware *string `hcl:"firmware" cty:"firmware"`
// BzImagePath is the path to the bzImage (kernel).
BzImagePath string
BzImagePath *string `hcl:"constellation_kernel" cty:"constellation_kernel"`
// InitrdPath is the path to the initrd.
InitrdPath string
InitrdPath *string `hcl:"constellation_initrd" cty:"constellation_initrd"`
// KernelCmdline is the kernel command line.
KernelCmdline string
KernelCmdline *string `hcl:"constellation_cmdline" cty:"constellation_cmdline"`
}
// String returns a string representation of the variables, formatted as Terraform variables.
func (v *QEMUVariables) String() string {
b := &strings.Builder{}
b.WriteString(v.CommonVariables.String())
writeLinef(b, "libvirt_uri = %q", v.LibvirtURI)
writeLinef(b, "libvirt_socket_path = %q", v.LibvirtSocketPath)
writeLinef(b, "constellation_os_image = %q", v.ImagePath)
writeLinef(b, "image_format = %q", v.ImageFormat)
writeLinef(b, "constellation_boot_mode = %q", v.BootMode)
writeLinef(b, "constellation_kernel = %q", v.BzImagePath)
writeLinef(b, "constellation_initrd = %q", v.InitrdPath)
writeLinef(b, "constellation_cmdline = %q", v.KernelCmdline)
writeLinef(b, "vcpus = %d", v.CPUCount)
writeLinef(b, "memory = %d", v.MemorySizeMiB)
writeLinef(b, "metadata_api_image = %q", v.MetadataAPIImage)
writeLinef(b, "metadata_libvirt_uri = %q", v.MetadataLibvirtURI)
switch v.NVRAM {
// copy v object
vCopy := *v
switch vCopy.NVRAM {
case "production":
b.WriteString("nvram = \"/usr/share/OVMF/constellation_vars.production.fd\"\n")
vCopy.NVRAM = "/usr/share/OVMF/constellation_vars.production.fd"
case "testing":
b.WriteString("nvram = \"/usr/share/OVMF/constellation_vars.testing.fd\"\n")
default:
writeLinef(b, "nvram = %q", v.NVRAM)
}
if v.Firmware != "" {
writeLinef(b, "firmware = %q", v.Firmware)
vCopy.NVRAM = "/usr/share/OVMF/constellation_vars.testing.fd"
}
f := hclwrite.NewEmptyFile()
gohcl.EncodeIntoBody(vCopy, f.Body())
return string(f.Bytes())
}
return b.String()
// QEMUNodeGroup is a node group for a QEMU cluster.
type QEMUNodeGroup struct {
// Role is the role of the node group.
Role string `hcl:"role" cty:"role"`
// InstanceCount is the number of instances to create.
InstanceCount int `hcl:"instance_count" cty:"instance_count"`
// DiskSize is the size of the disk to allocate to each node, in GiB.
DiskSize int `hcl:"disk_size" cty:"disk_size"`
// CPUCount is the number of CPUs to allocate to each node.
CPUCount int `hcl:"vcpus" cty:"vcpus"`
// MemorySize is the amount of memory to allocate to each node, in MiB.
MemorySize int `hcl:"memory" cty:"memory"`
}
func writeLinef(builder *strings.Builder, format string, a ...any) {