-
Notifications
You must be signed in to change notification settings - Fork 51
/
variables.go
411 lines (373 loc) · 18.1 KB
/
variables.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
/*
Copyright (c) Edgeless Systems GmbH
SPDX-License-Identifier: AGPL-3.0-only
*/
package terraform
import (
"fmt"
"github.com/hashicorp/hcl/v2"
"github.com/hashicorp/hcl/v2/gohcl"
"github.com/hashicorp/hcl/v2/hclsyntax"
"github.com/hashicorp/hcl/v2/hclwrite"
)
// Variables is a struct that holds all variables that are passed to Terraform.
type Variables interface {
fmt.Stringer
}
// ClusterVariables should be used in places where a cluster is created.
type ClusterVariables interface {
Variables
// TODO(derpsteb): Rename this function once we have introduced an interface for config.Config.
// GetCreateMAA does not follow Go's naming convention because we need to keep the CreateMAA property public for now.
// There are functions creating Variables objects outside of this package.
// These functions can only be moved into this package once we have introduced an interface for config.Config,
// since we do not want to introduce a dependency on config.Config in this package.
GetCreateMAA() bool
}
// VariablesFromBytes parses the given bytes into the given variables struct.
func VariablesFromBytes[T any](b []byte, vars *T) error {
file, err := hclsyntax.ParseConfig(b, "", hcl.Pos{Line: 1, Column: 1})
if err != nil {
return fmt.Errorf("parsing variables: %w", err)
}
diags := gohcl.DecodeBody(file.Body, nil, vars)
if diags.HasErrors() {
return fmt.Errorf("decoding variables: %w", diags)
}
return nil
}
// AWSClusterVariables is user configuration for creating a cluster with Terraform on AWS.
type AWSClusterVariables struct {
// Name of the cluster.
Name string `hcl:"name" cty:"name"`
// Region is the AWS region to use.
Region string `hcl:"region" cty:"region"`
// Zone is the AWS zone to use in the given region.
Zone string `hcl:"zone" cty:"zone"`
// ImageID is the ID of the AMI to use.
ImageID string `hcl:"image_id" cty:"image_id"`
// IAMProfileControlPlane is the IAM group to use for the control-plane nodes.
IAMProfileControlPlane string `hcl:"iam_instance_profile_name_control_plane" cty:"iam_instance_profile_name_control_plane"`
// IAMProfileWorkerNodes is the IAM group to use for the worker nodes.
IAMProfileWorkerNodes string `hcl:"iam_instance_profile_name_worker_nodes" cty:"iam_instance_profile_name_worker_nodes"`
// Debug is true if debug mode is enabled.
Debug bool `hcl:"debug" cty:"debug"`
// EnableSNP controls enablement of the EC2 cpu-option "AmdSevSnp".
EnableSNP bool `hcl:"enable_snp" cty:"enable_snp"`
// NodeGroups is a map of node groups to create.
NodeGroups map[string]AWSNodeGroup `hcl:"node_groups" cty:"node_groups"`
// CustomEndpoint is the (optional) custom dns hostname for the kubernetes api server.
CustomEndpoint string `hcl:"custom_endpoint" cty:"custom_endpoint"`
// InternalLoadBalancer is true if an internal load balancer should be created.
InternalLoadBalancer bool `hcl:"internal_load_balancer" cty:"internal_load_balancer"`
}
// GetCreateMAA gets the CreateMAA variable.
// TODO(derpsteb): Rename this function once we have introduced an interface for config.Config.
func (a *AWSClusterVariables) GetCreateMAA() bool {
return false
}
// String returns a string representation of the variables, formatted as Terraform variables.
func (a *AWSClusterVariables) String() string {
f := hclwrite.NewEmptyFile()
gohcl.EncodeIntoBody(a, f.Body())
return string(f.Bytes())
}
// AWSNodeGroup is a node group to create on AWS.
type AWSNodeGroup struct {
// Role is the role of the node group.
Role string `hcl:"role" cty:"role"`
// StateDiskSizeGB is the size of the state disk to allocate to each node, in GB.
StateDiskSizeGB int `hcl:"disk_size" cty:"disk_size"`
// InitialCount is the initial number of nodes to create in the node group.
// During upgrades this value ignored.
InitialCount int `hcl:"initial_count" cty:"initial_count"`
// Zone is the AWS availability-zone to use in the given region.
Zone string `hcl:"zone" cty:"zone"`
// InstanceType is the type of the EC2 instance to use.
InstanceType string `hcl:"instance_type" cty:"instance_type"`
// DiskType is the EBS disk type to use for the state disk.
DiskType string `hcl:"disk_type" cty:"disk_type"`
}
// AWSIAMVariables is user configuration for creating the IAM configuration with Terraform on Microsoft Azure.
type AWSIAMVariables struct {
// Region is the AWS location to use. (e.g. us-east-2)
Region string `hcl:"region" cty:"region"`
// Prefix is the name prefix of the resources to use.
Prefix string `hcl:"name_prefix" cty:"name_prefix"`
}
// String returns a string representation of the IAM-specific variables, formatted as Terraform variables.
func (v *AWSIAMVariables) String() string {
f := hclwrite.NewEmptyFile()
gohcl.EncodeIntoBody(v, f.Body())
return string(f.Bytes())
}
// GCPClusterVariables is user configuration for creating resources with Terraform on GCP.
type GCPClusterVariables struct {
// Name of the cluster.
Name string `hcl:"name" cty:"name"`
// Project is the ID of the GCP project to use.
Project string `hcl:"project" cty:"project"`
// Region is the GCP region to use.
Region string `hcl:"region" cty:"region"`
// Zone is the GCP zone to use.
Zone string `hcl:"zone" cty:"zone"`
// ImageID is the ID of the GCP image to use.
ImageID string `hcl:"image_id" cty:"image_id"`
// Debug is true if debug mode is enabled.
Debug bool `hcl:"debug" cty:"debug"`
// NodeGroups is a map of node groups to create.
NodeGroups map[string]GCPNodeGroup `hcl:"node_groups" cty:"node_groups"`
// CustomEndpoint is the (optional) custom dns hostname for the kubernetes api server.
CustomEndpoint string `hcl:"custom_endpoint" cty:"custom_endpoint"`
// InternalLoadBalancer is true if an internal load balancer should be created.
InternalLoadBalancer bool `hcl:"internal_load_balancer" cty:"internal_load_balancer"`
}
// GetCreateMAA gets the CreateMAA variable.
// TODO(derpsteb): Rename this function once we have introduced an interface for config.Config.
func (g *GCPClusterVariables) GetCreateMAA() bool {
return false
}
// String returns a string representation of the variables, formatted as Terraform variables.
func (g *GCPClusterVariables) String() string {
f := hclwrite.NewEmptyFile()
gohcl.EncodeIntoBody(g, f.Body())
return string(f.Bytes())
}
// GCPNodeGroup is a node group to create on GCP.
type GCPNodeGroup struct {
// Role is the role of the node group.
Role string `hcl:"role" cty:"role"`
// StateDiskSizeGB is the size of the state disk to allocate to each node, in GB.
StateDiskSizeGB int `hcl:"disk_size" cty:"disk_size"`
// InitialCount is the initial number of nodes to create in the node group.
// During upgrades this value ignored.
InitialCount int `hcl:"initial_count" cty:"initial_count"`
Zone string `hcl:"zone" cty:"zone"`
InstanceType string `hcl:"instance_type" cty:"instance_type"`
DiskType string `hcl:"disk_type" cty:"disk_type"`
}
// GCPIAMVariables is user configuration for creating the IAM confioguration with Terraform on GCP.
type GCPIAMVariables struct {
// Project is the ID of the GCP project to use.
Project string `hcl:"project_id" cty:"project_id"`
// Region is the GCP region to use.
Region string `hcl:"region" cty:"region"`
// Zone is the GCP zone to use.
Zone string `hcl:"zone" cty:"zone"`
// ServiceAccountID is the ID of the service account to use.
ServiceAccountID string `hcl:"service_account_id" cty:"service_account_id"`
}
// String returns a string representation of the IAM-specific variables, formatted as Terraform variables.
func (v *GCPIAMVariables) String() string {
f := hclwrite.NewEmptyFile()
gohcl.EncodeIntoBody(v, f.Body())
return string(f.Bytes())
}
// AzureClusterVariables is user configuration for creating a cluster with Terraform on Azure.
type AzureClusterVariables struct {
// Name of the cluster.
Name string `hcl:"name" cty:"name"`
// ImageID is the ID of the Azure image to use.
ImageID string `hcl:"image_id" cty:"image_id"`
// CreateMAA sets whether a Microsoft Azure attestation provider should be created.
CreateMAA *bool `hcl:"create_maa" cty:"create_maa"`
// Debug is true if debug mode is enabled.
Debug *bool `hcl:"debug" cty:"debug"`
// ResourceGroup is the name of the Azure resource group to use.
ResourceGroup string `hcl:"resource_group" cty:"resource_group"`
// Location is the Azure location to use.
Location string `hcl:"location" cty:"location"`
// UserAssignedIdentity is the name of the Azure user-assigned identity to use.
UserAssignedIdentity string `hcl:"user_assigned_identity" cty:"user_assigned_identity"`
// ConfidentialVM sets the VM to be confidential.
ConfidentialVM *bool `hcl:"confidential_vm" cty:"confidential_vm"`
// SecureBoot sets the VM to use secure boot.
SecureBoot *bool `hcl:"secure_boot" cty:"secure_boot"`
// NodeGroups is a map of node groups to create.
NodeGroups map[string]AzureNodeGroup `hcl:"node_groups" cty:"node_groups"`
// CustomEndpoint is the (optional) custom dns hostname for the kubernetes api server.
CustomEndpoint string `hcl:"custom_endpoint" cty:"custom_endpoint"`
// InternalLoadBalancer is true if an internal load balancer should be created.
InternalLoadBalancer bool `hcl:"internal_load_balancer" cty:"internal_load_balancer"`
// MarketplaceImage is the (optional) Azure Marketplace image to use.
MarketplaceImage *AzureMarketplaceImageVariables `hcl:"marketplace_image" cty:"marketplace_image"`
}
// GetCreateMAA gets the CreateMAA variable.
// TODO(derpsteb): Rename this function once we have introduced an interface for config.Config.
func (a *AzureClusterVariables) GetCreateMAA() bool {
if a.CreateMAA == nil {
return false
}
return *a.CreateMAA
}
// String returns a string representation of the variables, formatted as Terraform variables.
func (a *AzureClusterVariables) String() string {
f := hclwrite.NewEmptyFile()
gohcl.EncodeIntoBody(a, f.Body())
return string(f.Bytes())
}
// AzureNodeGroup is a node group to create on Azure.
type AzureNodeGroup struct {
// Role is the role of the node group.
Role string `hcl:"role" cty:"role"`
// InitialCount is optional for upgrades.
InitialCount int `hcl:"initial_count" cty:"initial_count"`
InstanceType string `hcl:"instance_type" cty:"instance_type"`
DiskSizeGB int `hcl:"disk_size" cty:"disk_size"`
DiskType string `hcl:"disk_type" cty:"disk_type"`
Zones []string `hcl:"zones" cty:"zones"`
}
// AzureIAMVariables is user configuration for creating the IAM configuration with Terraform on Microsoft Azure.
type AzureIAMVariables struct {
// Location is the Azure location to use. (e.g. westus)
Location string `hcl:"location" cty:"location"`
// ServicePrincipal is the name of the service principal to use.
ServicePrincipal string `hcl:"service_principal_name" cty:"service_principal_name"`
// ResourceGroup is the name of the resource group to use.
ResourceGroup string `hcl:"resource_group_name" cty:"resource_group_name"`
}
// AzureMarketplaceImageVariables is a configuration for specifying an Azure Marketplace image.
type AzureMarketplaceImageVariables struct {
// Publisher is the publisher ID of the image.
Publisher string `hcl:"publisher" cty:"publisher"`
// Product is the product ID of the image.
Product string `hcl:"product" cty:"product"`
// Name is the name of the image.
Name string `hcl:"name" cty:"name"`
// Version is the version of the image.
Version string `hcl:"version" cty:"version"`
}
// String returns a string representation of the IAM-specific variables, formatted as Terraform variables.
func (v *AzureIAMVariables) String() string {
f := hclwrite.NewEmptyFile()
gohcl.EncodeIntoBody(v, f.Body())
return string(f.Bytes())
}
// OpenStackClusterVariables is user configuration for creating a cluster with Terraform on OpenStack.
type OpenStackClusterVariables struct {
// Name of the cluster.
Name string `hcl:"name" cty:"name"`
// NodeGroups is a map of node groups to create.
NodeGroups map[string]OpenStackNodeGroup `hcl:"node_groups" cty:"node_groups"`
// Cloud is the name of the OpenStack cloud to use when reading the "clouds.yaml" configuration file. If empty, environment variables are used.
Cloud *string `hcl:"cloud" cty:"cloud"`
// OpenStackCloudsYAMLPath is the path to the OpenStack clouds.yaml file
OpenStackCloudsYAMLPath string `hcl:"openstack_clouds_yaml_path" cty:"openstack_clouds_yaml_path"`
// (STACKIT only) STACKITProjectID is the ID of the STACKIT project to use.
STACKITProjectID string `hcl:"stackit_project_id" cty:"stackit_project_id"`
// FloatingIPPoolID is the ID of the OpenStack floating IP pool to use for public IPs.
FloatingIPPoolID string `hcl:"floating_ip_pool_id" cty:"floating_ip_pool_id"`
// ImageID is the ID of the OpenStack image to use.
ImageID string `hcl:"image_id" cty:"image_id"`
// Debug is true if debug mode is enabled.
Debug bool `hcl:"debug" cty:"debug"`
// CustomEndpoint is the (optional) custom dns hostname for the kubernetes api server.
CustomEndpoint string `hcl:"custom_endpoint" cty:"custom_endpoint"`
// InternalLoadBalancer is true if an internal load balancer should be created.
InternalLoadBalancer bool `hcl:"internal_load_balancer" cty:"internal_load_balancer"`
}
// GetCreateMAA gets the CreateMAA variable.
// TODO(derpsteb): Rename this function once we have introduced an interface for config.Config.
func (o *OpenStackClusterVariables) GetCreateMAA() bool {
return false
}
// String returns a string representation of the variables, formatted as Terraform variables.
func (o *OpenStackClusterVariables) String() string {
f := hclwrite.NewEmptyFile()
gohcl.EncodeIntoBody(o, f.Body())
return string(f.Bytes())
}
// OpenStackNodeGroup is a node group to create on OpenStack.
type OpenStackNodeGroup struct {
// Role is the role of the node group.
Role string `hcl:"role" cty:"role"`
// InitialCount is the number of instances to create.
// InitialCount is optional for upgrades. OpenStack does not support upgrades yet but might in the future.
InitialCount int `hcl:"initial_count" cty:"initial_count"`
// Flavor is the ID of the OpenStack flavor (machine type) to use.
FlavorID string `hcl:"flavor_id" cty:"flavor_id"`
// Zone is the OpenStack availability zone to use.
Zone string `hcl:"zone" cty:"zone"`
// StateDiskType is the OpenStack disk type to use for the state disk.
StateDiskType string `hcl:"state_disk_type" cty:"state_disk_type"`
// StateDiskSizeGB is the size of the state disk to allocate to each node, in GB.
StateDiskSizeGB int `hcl:"state_disk_size" cty:"state_disk_size"`
}
// TODO(malt3): Add support for OpenStack IAM variables.
// QEMUVariables is user configuration for creating a QEMU cluster with Terraform.
type QEMUVariables struct {
// 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 `hcl:"libvirt_uri" cty:"libvirt_uri"`
// LibvirtSocketPath is the path to the libvirt socket in case of unix socket.
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 `hcl:"constellation_boot_mode" cty:"constellation_boot_mode"`
// ImagePath is the path to the image to use for the nodes.
ImagePath string `hcl:"image_id" cty:"image_id"`
// ImageFormat is the format of the image from ImagePath.
ImageFormat string `hcl:"image_format" cty:"image_format"`
// MetadataAPIImage is the container image to use for the metadata API.
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 `hcl:"metadata_libvirt_uri" cty:"metadata_libvirt_uri"`
// NVRAM is the path to the NVRAM template.
NVRAM string `hcl:"nvram" cty:"nvram"`
// Firmware is the path to the firmware.
Firmware *string `hcl:"firmware" cty:"firmware"`
// BzImagePath is the path to the bzImage (kernel).
BzImagePath *string `hcl:"constellation_kernel" cty:"constellation_kernel"`
// InitrdPath is the path to the initrd.
InitrdPath *string `hcl:"constellation_initrd" cty:"constellation_initrd"`
// KernelCmdline is the kernel command line.
KernelCmdline *string `hcl:"constellation_cmdline" cty:"constellation_cmdline"`
// CustomEndpoint is the (optional) custom dns hostname for the kubernetes api server.
CustomEndpoint string `hcl:"custom_endpoint" cty:"custom_endpoint"`
// InternalLoadBalancer is true if an internal load balancer should be created.
InternalLoadBalancer bool `hcl:"internal_load_balancer" cty:"internal_load_balancer"`
}
// GetCreateMAA gets the CreateMAA variable.
// TODO(derpsteb): Rename this function once we have introduced an interface for config.Config.
func (q *QEMUVariables) GetCreateMAA() bool {
return false
}
// String returns a string representation of the variables, formatted as Terraform variables.
func (q *QEMUVariables) String() string {
// copy v object
vCopy := *q
switch vCopy.NVRAM {
case "production":
vCopy.NVRAM = "/usr/share/OVMF/OVMF_VARS.fd"
case "testing":
vCopy.NVRAM = "/usr/share/OVMF/OVMF_VARS.fd"
}
f := hclwrite.NewEmptyFile()
gohcl.EncodeIntoBody(vCopy, f.Body())
return string(f.Bytes())
}
// 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"`
// InitialCount is the number of instances to create.
// InitialCount is optional for upgrades.
// Upgrades are not implemented for QEMU. The type is similar to other NodeGroup types for consistency.
InitialCount int `hcl:"initial_count" cty:"initial_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 toPtr[T any](v T) *T {
return &v
}