Enable sole tenancy (node_affinities) on compute_vm (#1903)
This commit is contained in:
Luca Prete
@@ -36,6 +36,7 @@ In both modes, an optional service account can be created and assigned to either
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- [Snapshot Schedules](#snapshot-schedules)
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- [Resource Manager Tags (non-firewall)](#resource-manager-tags-non-firewall)
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- [Resource Manager Tags (firewall)](#resource-manager-tags-firewall)
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- [Sole Tenancy](#sole-tenancy)
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- [Variables](#variables)
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- [Outputs](#outputs)
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<!-- END TOC -->
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@@ -737,6 +738,35 @@ module "simple-vm-example" {
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}
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# tftest modules=1 resources=1 inventory=tag-bindings.yaml
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```
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### Sole Tenancy
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You can add node affinities (and anti-affinity) configurations to allocate the VM on sole tenant nodes.
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```hcl
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module "sole-tenancy" {
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source = "./fabric/modules/compute-vm"
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project_id = var.project_id
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zone = "europe-west1-b"
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name = "test"
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network_interfaces = [{
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network = var.vpc.self_link
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subnetwork = var.subnet.self_link
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}]
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options = {
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node_affinities = {
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workload = {
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values = ["frontend"]
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}
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cpu = {
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in = false
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values = ["c3"]
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}
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}
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}
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}
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# tftest modules=1 resources=1 inventory=sole-tenancy.yaml
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```
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<!-- BEGIN TFDOC -->
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## Variables
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@@ -744,8 +774,8 @@ module "simple-vm-example" {
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|---|---|:---:|:---:|:---:|
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| [name](variables.tf#L235) | Instance name. | <code>string</code> | ✓ | |
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| [network_interfaces](variables.tf#L240) | Network interfaces configuration. Use self links for Shared VPC, set addresses to null if not needed. | <code title="list(object({ network = string subnetwork = string alias_ips = optional(map(string), {}) nat = optional(bool, false) nic_type = optional(string) stack_type = optional(string) addresses = optional(object({ internal = optional(string) external = optional(string) }), null) }))">list(object({…}))</code> | ✓ | |
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| [project_id](variables.tf#L278) | Project id. | <code>string</code> | ✓ | |
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| [zone](variables.tf#L376) | Compute zone. | <code>string</code> | ✓ | |
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| [project_id](variables.tf#L282) | Project id. | <code>string</code> | ✓ | |
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| [zone](variables.tf#L380) | Compute zone. | <code>string</code> | ✓ | |
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| [attached_disk_defaults](variables.tf#L17) | Defaults for attached disks options. | <code title="object({ auto_delete = optional(bool, false) mode = string replica_zone = string type = string })">object({…})</code> | | <code title="{ auto_delete = true mode = "READ_WRITE" replica_zone = null type = "pd-balanced" }">{…}</code> |
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| [attached_disks](variables.tf#L37) | Additional disks, if options is null defaults will be used in its place. Source type is one of 'image' (zonal disks in vms and template), 'snapshot' (vm), 'existing', and null. | <code title="list(object({ name = string device_name = optional(string) size = string snapshot_schedule = optional(string) source = optional(string) source_type = optional(string) options = optional( object({ auto_delete = optional(bool, false) mode = optional(string, "READ_WRITE") replica_zone = optional(string) type = optional(string, "pd-balanced") }), { auto_delete = true mode = "READ_WRITE" replica_zone = null type = "pd-balanced" } ) }))">list(object({…}))</code> | | <code>[]</code> |
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| [boot_disk](variables.tf#L83) | Boot disk properties. | <code title="object({ auto_delete = optional(bool, true) snapshot_schedule = optional(string) source = optional(string) initialize_params = optional(object({ image = optional(string, "projects/debian-cloud/global/images/family/debian-11") size = optional(number, 10) type = optional(string, "pd-balanced") })) use_independent_disk = optional(bool, false) })">object({…})</code> | | <code title="{ initialize_params = {} }">{…}</code> |
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@@ -763,14 +793,14 @@ module "simple-vm-example" {
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| [labels](variables.tf#L217) | Instance labels. | <code>map(string)</code> | | <code>{}</code> |
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| [metadata](variables.tf#L223) | Instance metadata. | <code>map(string)</code> | | <code>{}</code> |
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| [min_cpu_platform](variables.tf#L229) | Minimum CPU platform. | <code>string</code> | | <code>null</code> |
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| [options](variables.tf#L256) | Instance options. | <code title="object({ allow_stopping_for_update = optional(bool, true) deletion_protection = optional(bool, false) spot = optional(bool, false) termination_action = optional(string) })">object({…})</code> | | <code title="{ allow_stopping_for_update = true deletion_protection = false spot = false termination_action = null }">{…}</code> |
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| [scratch_disks](variables.tf#L283) | Scratch disks configuration. | <code title="object({ count = number interface = string })">object({…})</code> | | <code title="{ count = 0 interface = "NVME" }">{…}</code> |
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| [service_account](variables.tf#L295) | Service account email and scopes. If email is null, the default Compute service account will be used unless auto_create is true, in which case a service account will be created. Set the variable to null to avoid attaching a service account. | <code title="object({ auto_create = optional(bool, false) email = optional(string) scopes = optional(list(string)) })">object({…})</code> | | <code>{}</code> |
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| [shielded_config](variables.tf#L305) | Shielded VM configuration of the instances. | <code title="object({ enable_secure_boot = bool enable_vtpm = bool enable_integrity_monitoring = bool })">object({…})</code> | | <code>null</code> |
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| [snapshot_schedules](variables.tf#L315) | Snapshot schedule resource policies that can be attached to disks. | <code title="map(object({ schedule = object({ daily = optional(object({ days_in_cycle = number start_time = string })) hourly = optional(object({ hours_in_cycle = number start_time = string })) weekly = optional(list(object({ day = string start_time = string }))) }) description = optional(string) retention_policy = optional(object({ max_retention_days = number on_source_disk_delete_keep = optional(bool) })) snapshot_properties = optional(object({ chain_name = optional(string) guest_flush = optional(bool) labels = optional(map(string)) storage_locations = optional(list(string)) })) }))">map(object({…}))</code> | | <code>{}</code> |
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| [tag_bindings](variables.tf#L358) | Resource manager tag bindings for this instance, in tag key => tag value format. | <code>map(string)</code> | | <code>null</code> |
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| [tag_bindings_firewall](variables.tf#L364) | Firewall (network scoped) tag bindings for this instance, in tag key => tag value format. | <code>map(string)</code> | | <code>null</code> |
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| [tags](variables.tf#L370) | Instance network tags for firewall rule targets. | <code>list(string)</code> | | <code>[]</code> |
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| [options](variables.tf#L256) | Instance options. | <code title="object({ allow_stopping_for_update = optional(bool, true) deletion_protection = optional(bool, false) node_affinities = optional(map(object({ values = list(string) in = optional(bool, true) })), {}) spot = optional(bool, false) termination_action = optional(string) })">object({…})</code> | | <code title="{ allow_stopping_for_update = true deletion_protection = false spot = false termination_action = null }">{…}</code> |
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| [scratch_disks](variables.tf#L287) | Scratch disks configuration. | <code title="object({ count = number interface = string })">object({…})</code> | | <code title="{ count = 0 interface = "NVME" }">{…}</code> |
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| [service_account](variables.tf#L299) | Service account email and scopes. If email is null, the default Compute service account will be used unless auto_create is true, in which case a service account will be created. Set the variable to null to avoid attaching a service account. | <code title="object({ auto_create = optional(bool, false) email = optional(string) scopes = optional(list(string)) })">object({…})</code> | | <code>{}</code> |
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| [shielded_config](variables.tf#L309) | Shielded VM configuration of the instances. | <code title="object({ enable_secure_boot = bool enable_vtpm = bool enable_integrity_monitoring = bool })">object({…})</code> | | <code>null</code> |
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| [snapshot_schedules](variables.tf#L319) | Snapshot schedule resource policies that can be attached to disks. | <code title="map(object({ schedule = object({ daily = optional(object({ days_in_cycle = number start_time = string })) hourly = optional(object({ hours_in_cycle = number start_time = string })) weekly = optional(list(object({ day = string start_time = string }))) }) description = optional(string) retention_policy = optional(object({ max_retention_days = number on_source_disk_delete_keep = optional(bool) })) snapshot_properties = optional(object({ chain_name = optional(string) guest_flush = optional(bool) labels = optional(map(string)) storage_locations = optional(list(string)) })) }))">map(object({…}))</code> | | <code>{}</code> |
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| [tag_bindings](variables.tf#L362) | Resource manager tag bindings for this instance, in tag key => tag value format. | <code>map(string)</code> | | <code>null</code> |
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| [tag_bindings_firewall](variables.tf#L368) | Firewall (network scoped) tag bindings for this instance, in tag key => tag value format. | <code>map(string)</code> | | <code>null</code> |
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| [tags](variables.tf#L374) | Instance network tags for firewall rule targets. | <code>list(string)</code> | | <code>[]</code> |
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## Outputs
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@@ -273,6 +273,16 @@ resource "google_compute_instance" "default" {
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on_host_maintenance = local.on_host_maintenance
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preemptible = var.options.spot
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provisioning_model = var.options.spot ? "SPOT" : "STANDARD"
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dynamic "node_affinities" {
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for_each = var.options.node_affinities
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iterator = affinity
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content {
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key = affinity.key
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operator = affinity.value.in ? "IN" : "NOT_IN"
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values = affinity.value.values
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}
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}
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}
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dynamic "scratch_disk" {
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@@ -418,6 +428,16 @@ resource "google_compute_instance_template" "default" {
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on_host_maintenance = local.on_host_maintenance
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preemptible = var.options.spot
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provisioning_model = var.options.spot ? "SPOT" : "STANDARD"
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dynamic "node_affinities" {
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for_each = var.options.node_affinities
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iterator = affinity
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content {
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key = affinity.key
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operator = affinity.value.in ? "IN" : "NOT_IN"
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values = affinity.value.values
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}
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}
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}
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dynamic "service_account" {
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@@ -258,8 +258,12 @@ variable "options" {
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type = object({
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allow_stopping_for_update = optional(bool, true)
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deletion_protection = optional(bool, false)
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spot = optional(bool, false)
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termination_action = optional(string)
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node_affinities = optional(map(object({
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values = list(string)
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in = optional(bool, true)
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})), {})
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spot = optional(bool, false)
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termination_action = optional(string)
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})
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default = {
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allow_stopping_for_update = true
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