diff --git a/README.md b/README.md
index 75e4727fc1..7dd9805813 100644
--- a/README.md
+++ b/README.md
@@ -206,6 +206,7 @@ Join our discord community via [this invite link](https://discord.gg/bxgXW8jJGh)
| [runner\_metadata\_options](#input\_runner\_metadata\_options) | Metadata options for the ec2 runner instances. By default, the module uses metadata tags for bootstrapping the runner, only disable `instance_metadata_tags` when using custom scripts for starting the runner. | `map(any)` | {
"http_endpoint": "enabled",
"http_put_response_hop_limit": 1,
"http_tokens": "required",
"instance_metadata_tags": "enabled"
} | no |
| [runner\_name\_prefix](#input\_runner\_name\_prefix) | The prefix used for the GitHub runner name. The prefix will be used in the default start script to prefix the instance name when register the runner in GitHub. The value is available via an EC2 tag 'ghr:runner\_name\_prefix'. | `string` | `""` | no |
| [runner\_os](#input\_runner\_os) | The EC2 Operating System type to use for action runner instances (linux,windows). | `string` | `"linux"` | no |
+| [runner\_placement](#input\_runner\_placement) | The placement options for the instance. See https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/launch_template#placement for details. | object({
affinity = optional(string)
availability_zone = optional(string)
# group_id = try(placement.value.group_id, null) # aws >= 6.12.0
group_name = optional(string)
host_id = optional(string)
host_resource_group_arn = optional(number)
spread_domain = optional(string)
tenancy = optional(string)
partition_number = optional(number)
}) | `null` | no |
| [runner\_run\_as](#input\_runner\_run\_as) | Run the GitHub actions agent as user. | `string` | `"ec2-user"` | no |
| [runners\_ebs\_optimized](#input\_runners\_ebs\_optimized) | Enable EBS optimization for the runner instances. | `bool` | `false` | no |
| [runners\_lambda\_s3\_key](#input\_runners\_lambda\_s3\_key) | S3 key for runners lambda function. Required if using S3 bucket to specify lambdas. | `string` | `null` | no |
diff --git a/main.tf b/main.tf
index f0dadd6b66..f43f4ee6f5 100644
--- a/main.tf
+++ b/main.tf
@@ -209,6 +209,7 @@ module "runners" {
metadata_options = var.runner_metadata_options
credit_specification = var.runner_credit_specification
cpu_options = var.runner_cpu_options
+ placement = var.runner_placement
enable_runner_binaries_syncer = var.enable_runner_binaries_syncer
lambda_s3_bucket = var.lambda_s3_bucket
diff --git a/modules/multi-runner/README.md b/modules/multi-runner/README.md
index 32dab7e7c6..509e00300a 100644
--- a/modules/multi-runner/README.md
+++ b/modules/multi-runner/README.md
@@ -150,7 +150,7 @@ module "multi-runner" {
| [logging\_retention\_in\_days](#input\_logging\_retention\_in\_days) | Specifies the number of days you want to retain log events for the lambda log group. Possible values are: 0, 1, 3, 5, 7, 14, 30, 60, 90, 120, 150, 180, 365, 400, 545, 731, 1827, and 3653. | `number` | `180` | no |
| [matcher\_config\_parameter\_store\_tier](#input\_matcher\_config\_parameter\_store\_tier) | The tier of the parameter store for the matcher configuration. Valid values are `Standard`, and `Advanced`. | `string` | `"Standard"` | no |
| [metrics](#input\_metrics) | Configuration for metrics created by the module, by default metrics are disabled to avoid additional costs. When metrics are enable all metrics are created unless explicit configured otherwise. | object({
enable = optional(bool, false)
namespace = optional(string, "GitHub Runners")
metric = optional(object({
enable_github_app_rate_limit = optional(bool, true)
enable_job_retry = optional(bool, true)
enable_spot_termination_warning = optional(bool, true)
}), {})
}) | `{}` | no |
-| [multi\_runner\_config](#input\_multi\_runner\_config) | multi\_runner\_config = {
runner\_config: {
runner\_os: "The EC2 Operating System type to use for action runner instances (linux,windows)."
runner\_architecture: "The platform architecture of the runner instance\_type."
runner\_metadata\_options: "(Optional) Metadata options for the ec2 runner instances."
ami: "(Optional) AMI configuration for the action runner instances. This object allows you to specify all AMI-related settings in one place."
ami\_filter: "(Optional) List of maps used to create the AMI filter for the action runner AMI. By default amazon linux 2 is used."
ami\_owners: "(Optional) The list of owners used to select the AMI of action runner instances."
create\_service\_linked\_role\_spot: (Optional) create the serviced linked role for spot instances that is required by the scale-up lambda.
credit\_specification: "(Optional) The credit specification of the runner instance\_type. Can be unset, `standard` or `unlimited`.
delay\_webhook\_event: "The number of seconds the event accepted by the webhook is invisible on the queue before the scale up lambda will receive the event."
disable\_runner\_autoupdate: "Disable the auto update of the github runner agent. Be aware there is a grace period of 30 days, see also the [GitHub article](https://github.blog/changelog/2022-02-01-github-actions-self-hosted-runners-can-now-disable-automatic-updates/)"
ebs\_optimized: "The EC2 EBS optimized configuration."
enable\_ephemeral\_runners: "Enable ephemeral runners, runners will only be used once."
enable\_job\_queued\_check: "Enables JIT configuration for creating runners instead of registration token based registraton. JIT configuration will only be applied for ephemeral runners. By default JIT configuration is enabled for ephemeral runners an can be disabled via this override. When running on GHES without support for JIT configuration this variable should be set to true for ephemeral runners."
enable\_on\_demand\_failover\_for\_errors: "Enable on-demand failover. For example to fall back to on demand when no spot capacity is available the variable can be set to `InsufficientInstanceCapacity`. When not defined the default behavior is to retry later."
enable\_organization\_runners: "Register runners to organization, instead of repo level"
enable\_runner\_binaries\_syncer: "Option to disable the lambda to sync GitHub runner distribution, useful when using a pre-build AMI."
enable\_ssm\_on\_runners: "Enable to allow access the runner instances for debugging purposes via SSM. Note that this adds additional permissions to the runner instances."
enable\_userdata: "Should the userdata script be enabled for the runner. Set this to false if you are using your own prebuilt AMI."
instance\_allocation\_strategy: "The allocation strategy for spot instances. AWS recommends to use `capacity-optimized` however the AWS default is `lowest-price`."
instance\_max\_spot\_price: "Max price price for spot instances per hour. This variable will be passed to the create fleet as max spot price for the fleet."
instance\_target\_capacity\_type: "Default lifecycle used for runner instances, can be either `spot` or `on-demand`."
instance\_types: "List of instance types for the action runner. Defaults are based on runner\_os (al2023 for linux and Windows Server Core for win)."
job\_queue\_retention\_in\_seconds: "The number of seconds the job is held in the queue before it is purged"
minimum\_running\_time\_in\_minutes: "The time an ec2 action runner should be running at minimum before terminated if not busy."
pool\_runner\_owner: "The pool will deploy runners to the GitHub org ID, set this value to the org to which you want the runners deployed. Repo level is not supported."
runner\_additional\_security\_group\_ids: "List of additional security groups IDs to apply to the runner. If added outside the multi\_runner\_config block, the additional security group(s) will be applied to all runner configs. If added inside the multi\_runner\_config, the additional security group(s) will be applied to the individual runner."
runner\_as\_root: "Run the action runner under the root user. Variable `runner_run_as` will be ignored."
runner\_boot\_time\_in\_minutes: "The minimum time for an EC2 runner to boot and register as a runner."
runner\_disable\_default\_labels: "Disable default labels for the runners (os, architecture and `self-hosted`). If enabled, the runner will only have the extra labels provided in `runner_extra_labels`. In case you on own start script is used, this configuration parameter needs to be parsed via SSM."
runner\_extra\_labels: "Extra (custom) labels for the runners (GitHub). Separate each label by a comma. Labels checks on the webhook can be enforced by setting `multi_runner_config.matcherConfig.exactMatch`. GitHub read-only labels should not be provided."
runner\_group\_name: "Name of the runner group."
runner\_name\_prefix: "Prefix for the GitHub runner name."
runner\_run\_as: "Run the GitHub actions agent as user."
runners\_maximum\_count: "The maximum number of runners that will be created. Setting the variable to `-1` desiables the maximum check."
scale\_down\_schedule\_expression: "Scheduler expression to check every x for scale down."
scale\_up\_reserved\_concurrent\_executions: "Amount of reserved concurrent executions for the scale-up lambda function. A value of 0 disables lambda from being triggered and -1 removes any concurrency limitations."
userdata\_template: "Alternative user-data template, replacing the default template. By providing your own user\_data you have to take care of installing all required software, including the action runner. Variables userdata\_pre/post\_install are ignored."
enable\_jit\_config "Overwrite the default behavior for JIT configuration. By default JIT configuration is enabled for ephemeral runners and disabled for non-ephemeral runners. In case of GHES check first if the JIT config API is available. In case you are upgrading from 3.x to 4.x you can set `enable_jit_config` to `false` to avoid a breaking change when having your own AMI."
enable\_runner\_detailed\_monitoring: "Should detailed monitoring be enabled for the runner. Set this to true if you want to use detailed monitoring. See https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-cloudwatch-new.html for details."
enable\_cloudwatch\_agent: "Enabling the cloudwatch agent on the ec2 runner instances, the runner contains default config. Configuration can be overridden via `cloudwatch_config`."
cloudwatch\_config: "(optional) Replaces the module default cloudwatch log config. See https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/CloudWatch-Agent-Configuration-File-Details.html for details."
userdata\_pre\_install: "Script to be ran before the GitHub Actions runner is installed on the EC2 instances"
userdata\_post\_install: "Script to be ran after the GitHub Actions runner is installed on the EC2 instances"
runner\_hook\_job\_started: "Script to be ran in the runner environment at the beginning of every job"
runner\_hook\_job\_completed: "Script to be ran in the runner environment at the end of every job"
runner\_ec2\_tags: "Map of tags that will be added to the launch template instance tag specifications."
runner\_iam\_role\_managed\_policy\_arns: "Attach AWS or customer-managed IAM policies (by ARN) to the runner IAM role"
vpc\_id: "The VPC for security groups of the action runners. If not set uses the value of `var.vpc_id`."
subnet\_ids: "List of subnets in which the action runners will be launched, the subnets needs to be subnets in the `vpc_id`. If not set, uses the value of `var.subnet_ids`."
idle\_config: "List of time period that can be defined as cron expression to keep a minimum amount of runners active instead of scaling down to 0. By defining this list you can ensure that in time periods that match the cron expression within 5 seconds a runner is kept idle."
runner\_log\_files: "(optional) Replaces the module default cloudwatch log config. See https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/CloudWatch-Agent-Configuration-File-Details.html for details."
block\_device\_mappings: "The EC2 instance block device configuration. Takes the following keys: `device_name`, `delete_on_termination`, `volume_type`, `volume_size`, `encrypted`, `iops`, `throughput`, `kms_key_id`, `snapshot_id`."
job\_retry: "Experimental! Can be removed / changed without trigger a major release. Configure job retries. The configuration enables job retries (for ephemeral runners). After creating the instances a message will be published to a job retry queue. The job retry check lambda is checking after a delay if the job is queued. If not the message will be published again on the scale-up (build queue). Using this feature can impact the rate limit of the GitHub app."
pool\_config: "The configuration for updating the pool. The `pool_size` to adjust to by the events triggered by the `schedule_expression`. For example you can configure a cron expression for week days to adjust the pool to 10 and another expression for the weekend to adjust the pool to 1. Use `schedule_expression_timezone` to override the schedule time zone (defaults to UTC)."
}
matcherConfig: {
labelMatchers: "The list of list of labels supported by the runner configuration. `[[self-hosted, linux, x64, example]]`"
exactMatch: "If set to true all labels in the workflow job must match the GitHub labels (os, architecture and `self-hosted`). When false if __any__ workflow label matches it will trigger the webhook."
priority: "If set it defines the priority of the matcher, the matcher with the lowest priority will be evaluated first. Default is 999, allowed values 0-999."
}
redrive\_build\_queue: "Set options to attach (optional) a dead letter queue to the build queue, the queue between the webhook and the scale up lambda. You have the following options. 1. Disable by setting `enabled` to false. 2. Enable by setting `enabled` to `true`, `maxReceiveCount` to a number of max retries."
} | map(object({
runner_config = object({
runner_os = string
runner_architecture = string
runner_metadata_options = optional(map(any), {
instance_metadata_tags = "enabled"
http_endpoint = "enabled"
http_tokens = "required"
http_put_response_hop_limit = 1
})
ami = optional(object({
filter = optional(map(list(string)), { state = ["available"] })
owners = optional(list(string), ["amazon"])
id_ssm_parameter_arn = optional(string, null)
kms_key_arn = optional(string, null)
}), null) # Defaults to null, in which case the module falls back to individual AMI variables (deprecated)
# Deprecated: Use ami object instead
ami_filter = optional(map(list(string)), { state = ["available"] })
ami_owners = optional(list(string), ["amazon"])
ami_id_ssm_parameter_name = optional(string, null)
ami_kms_key_arn = optional(string, "")
create_service_linked_role_spot = optional(bool, false)
credit_specification = optional(string, null)
delay_webhook_event = optional(number, 30)
disable_runner_autoupdate = optional(bool, false)
ebs_optimized = optional(bool, false)
enable_ephemeral_runners = optional(bool, false)
enable_job_queued_check = optional(bool, null)
enable_on_demand_failover_for_errors = optional(list(string), [])
enable_organization_runners = optional(bool, false)
enable_runner_binaries_syncer = optional(bool, true)
enable_ssm_on_runners = optional(bool, false)
enable_userdata = optional(bool, true)
instance_allocation_strategy = optional(string, "lowest-price")
instance_max_spot_price = optional(string, null)
instance_target_capacity_type = optional(string, "spot")
instance_types = list(string)
job_queue_retention_in_seconds = optional(number, 86400)
minimum_running_time_in_minutes = optional(number, null)
pool_runner_owner = optional(string, null)
runner_as_root = optional(bool, false)
runner_boot_time_in_minutes = optional(number, 5)
runner_disable_default_labels = optional(bool, false)
runner_extra_labels = optional(list(string), [])
runner_group_name = optional(string, "Default")
runner_name_prefix = optional(string, "")
runner_run_as = optional(string, "ec2-user")
runners_maximum_count = number
runner_additional_security_group_ids = optional(list(string), [])
scale_down_schedule_expression = optional(string, "cron(*/5 * * * ? *)")
scale_up_reserved_concurrent_executions = optional(number, 1)
userdata_template = optional(string, null)
userdata_content = optional(string, null)
enable_jit_config = optional(bool, null)
enable_runner_detailed_monitoring = optional(bool, false)
enable_cloudwatch_agent = optional(bool, true)
cloudwatch_config = optional(string, null)
userdata_pre_install = optional(string, "")
userdata_post_install = optional(string, "")
runner_hook_job_started = optional(string, "")
runner_hook_job_completed = optional(string, "")
runner_ec2_tags = optional(map(string), {})
runner_iam_role_managed_policy_arns = optional(list(string), [])
vpc_id = optional(string, null)
subnet_ids = optional(list(string), null)
idle_config = optional(list(object({
cron = string
timeZone = string
idleCount = number
evictionStrategy = optional(string, "oldest_first")
})), [])
cpu_options = optional(object({
core_count = number
threads_per_core = number
}), null)
runner_log_files = optional(list(object({
log_group_name = string
prefix_log_group = bool
file_path = string
log_stream_name = string
})), null)
block_device_mappings = optional(list(object({
delete_on_termination = optional(bool, true)
device_name = optional(string, "/dev/xvda")
encrypted = optional(bool, true)
iops = optional(number)
kms_key_id = optional(string)
snapshot_id = optional(string)
throughput = optional(number)
volume_size = number
volume_type = optional(string, "gp3")
})), [{
volume_size = 30
}])
pool_config = optional(list(object({
schedule_expression = string
schedule_expression_timezone = optional(string)
size = number
})), [])
job_retry = optional(object({
enable = optional(bool, false)
delay_in_seconds = optional(number, 300)
delay_backoff = optional(number, 2)
lambda_memory_size = optional(number, 256)
lambda_timeout = optional(number, 30)
max_attempts = optional(number, 1)
}), {})
})
matcherConfig = object({
labelMatchers = list(list(string))
exactMatch = optional(bool, false)
priority = optional(number, 999)
})
redrive_build_queue = optional(object({
enabled = bool
maxReceiveCount = number
}), {
enabled = false
maxReceiveCount = null
})
})) | n/a | yes |
+| [multi\_runner\_config](#input\_multi\_runner\_config) | multi\_runner\_config = {
runner\_config: {
runner\_os: "The EC2 Operating System type to use for action runner instances (linux,windows)."
runner\_architecture: "The platform architecture of the runner instance\_type."
runner\_metadata\_options: "(Optional) Metadata options for the ec2 runner instances."
ami: "(Optional) AMI configuration for the action runner instances. This object allows you to specify all AMI-related settings in one place."
ami\_filter: "(Optional) List of maps used to create the AMI filter for the action runner AMI. By default amazon linux 2 is used."
ami\_owners: "(Optional) The list of owners used to select the AMI of action runner instances."
create\_service\_linked\_role\_spot: (Optional) create the serviced linked role for spot instances that is required by the scale-up lambda.
credit\_specification: "(Optional) The credit specification of the runner instance\_type. Can be unset, `standard` or `unlimited`.
delay\_webhook\_event: "The number of seconds the event accepted by the webhook is invisible on the queue before the scale up lambda will receive the event."
disable\_runner\_autoupdate: "Disable the auto update of the github runner agent. Be aware there is a grace period of 30 days, see also the [GitHub article](https://github.blog/changelog/2022-02-01-github-actions-self-hosted-runners-can-now-disable-automatic-updates/)"
ebs\_optimized: "The EC2 EBS optimized configuration."
enable\_ephemeral\_runners: "Enable ephemeral runners, runners will only be used once."
enable\_job\_queued\_check: "Enables JIT configuration for creating runners instead of registration token based registraton. JIT configuration will only be applied for ephemeral runners. By default JIT configuration is enabled for ephemeral runners an can be disabled via this override. When running on GHES without support for JIT configuration this variable should be set to true for ephemeral runners."
enable\_on\_demand\_failover\_for\_errors: "Enable on-demand failover. For example to fall back to on demand when no spot capacity is available the variable can be set to `InsufficientInstanceCapacity`. When not defined the default behavior is to retry later."
enable\_organization\_runners: "Register runners to organization, instead of repo level"
enable\_runner\_binaries\_syncer: "Option to disable the lambda to sync GitHub runner distribution, useful when using a pre-build AMI."
enable\_ssm\_on\_runners: "Enable to allow access the runner instances for debugging purposes via SSM. Note that this adds additional permissions to the runner instances."
enable\_userdata: "Should the userdata script be enabled for the runner. Set this to false if you are using your own prebuilt AMI."
instance\_allocation\_strategy: "The allocation strategy for spot instances. AWS recommends to use `capacity-optimized` however the AWS default is `lowest-price`."
instance\_max\_spot\_price: "Max price price for spot instances per hour. This variable will be passed to the create fleet as max spot price for the fleet."
instance\_target\_capacity\_type: "Default lifecycle used for runner instances, can be either `spot` or `on-demand`."
instance\_types: "List of instance types for the action runner. Defaults are based on runner\_os (al2023 for linux and Windows Server Core for win)."
job\_queue\_retention\_in\_seconds: "The number of seconds the job is held in the queue before it is purged"
minimum\_running\_time\_in\_minutes: "The time an ec2 action runner should be running at minimum before terminated if not busy."
pool\_runner\_owner: "The pool will deploy runners to the GitHub org ID, set this value to the org to which you want the runners deployed. Repo level is not supported."
runner\_additional\_security\_group\_ids: "List of additional security groups IDs to apply to the runner. If added outside the multi\_runner\_config block, the additional security group(s) will be applied to all runner configs. If added inside the multi\_runner\_config, the additional security group(s) will be applied to the individual runner."
runner\_as\_root: "Run the action runner under the root user. Variable `runner_run_as` will be ignored."
runner\_boot\_time\_in\_minutes: "The minimum time for an EC2 runner to boot and register as a runner."
runner\_disable\_default\_labels: "Disable default labels for the runners (os, architecture and `self-hosted`). If enabled, the runner will only have the extra labels provided in `runner_extra_labels`. In case you on own start script is used, this configuration parameter needs to be parsed via SSM."
runner\_extra\_labels: "Extra (custom) labels for the runners (GitHub). Separate each label by a comma. Labels checks on the webhook can be enforced by setting `multi_runner_config.matcherConfig.exactMatch`. GitHub read-only labels should not be provided."
runner\_group\_name: "Name of the runner group."
runner\_name\_prefix: "Prefix for the GitHub runner name."
runner\_run\_as: "Run the GitHub actions agent as user."
runners\_maximum\_count: "The maximum number of runners that will be created. Setting the variable to `-1` desiables the maximum check."
scale\_down\_schedule\_expression: "Scheduler expression to check every x for scale down."
scale\_up\_reserved\_concurrent\_executions: "Amount of reserved concurrent executions for the scale-up lambda function. A value of 0 disables lambda from being triggered and -1 removes any concurrency limitations."
userdata\_template: "Alternative user-data template, replacing the default template. By providing your own user\_data you have to take care of installing all required software, including the action runner. Variables userdata\_pre/post\_install are ignored."
enable\_jit\_config "Overwrite the default behavior for JIT configuration. By default JIT configuration is enabled for ephemeral runners and disabled for non-ephemeral runners. In case of GHES check first if the JIT config API is available. In case you are upgrading from 3.x to 4.x you can set `enable_jit_config` to `false` to avoid a breaking change when having your own AMI."
enable\_runner\_detailed\_monitoring: "Should detailed monitoring be enabled for the runner. Set this to true if you want to use detailed monitoring. See https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-cloudwatch-new.html for details."
enable\_cloudwatch\_agent: "Enabling the cloudwatch agent on the ec2 runner instances, the runner contains default config. Configuration can be overridden via `cloudwatch_config`."
cloudwatch\_config: "(optional) Replaces the module default cloudwatch log config. See https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/CloudWatch-Agent-Configuration-File-Details.html for details."
userdata\_pre\_install: "Script to be ran before the GitHub Actions runner is installed on the EC2 instances"
userdata\_post\_install: "Script to be ran after the GitHub Actions runner is installed on the EC2 instances"
runner\_hook\_job\_started: "Script to be ran in the runner environment at the beginning of every job"
runner\_hook\_job\_completed: "Script to be ran in the runner environment at the end of every job"
runner\_ec2\_tags: "Map of tags that will be added to the launch template instance tag specifications."
runner\_iam\_role\_managed\_policy\_arns: "Attach AWS or customer-managed IAM policies (by ARN) to the runner IAM role"
vpc\_id: "The VPC for security groups of the action runners. If not set uses the value of `var.vpc_id`."
subnet\_ids: "List of subnets in which the action runners will be launched, the subnets needs to be subnets in the `vpc_id`. If not set, uses the value of `var.subnet_ids`."
idle\_config: "List of time period that can be defined as cron expression to keep a minimum amount of runners active instead of scaling down to 0. By defining this list you can ensure that in time periods that match the cron expression within 5 seconds a runner is kept idle."
runner\_log\_files: "(optional) Replaces the module default cloudwatch log config. See https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/CloudWatch-Agent-Configuration-File-Details.html for details."
block\_device\_mappings: "The EC2 instance block device configuration. Takes the following keys: `device_name`, `delete_on_termination`, `volume_type`, `volume_size`, `encrypted`, `iops`, `throughput`, `kms_key_id`, `snapshot_id`."
job\_retry: "Experimental! Can be removed / changed without trigger a major release. Configure job retries. The configuration enables job retries (for ephemeral runners). After creating the instances a message will be published to a job retry queue. The job retry check lambda is checking after a delay if the job is queued. If not the message will be published again on the scale-up (build queue). Using this feature can impact the rate limit of the GitHub app."
pool\_config: "The configuration for updating the pool. The `pool_size` to adjust to by the events triggered by the `schedule_expression`. For example you can configure a cron expression for week days to adjust the pool to 10 and another expression for the weekend to adjust the pool to 1. Use `schedule_expression_timezone` to override the schedule time zone (defaults to UTC)."
}
matcherConfig: {
labelMatchers: "The list of list of labels supported by the runner configuration. `[[self-hosted, linux, x64, example]]`"
exactMatch: "If set to true all labels in the workflow job must match the GitHub labels (os, architecture and `self-hosted`). When false if __any__ workflow label matches it will trigger the webhook."
priority: "If set it defines the priority of the matcher, the matcher with the lowest priority will be evaluated first. Default is 999, allowed values 0-999."
}
redrive\_build\_queue: "Set options to attach (optional) a dead letter queue to the build queue, the queue between the webhook and the scale up lambda. You have the following options. 1. Disable by setting `enabled` to false. 2. Enable by setting `enabled` to `true`, `maxReceiveCount` to a number of max retries."
} | map(object({
runner_config = object({
runner_os = string
runner_architecture = string
runner_metadata_options = optional(map(any), {
instance_metadata_tags = "enabled"
http_endpoint = "enabled"
http_tokens = "required"
http_put_response_hop_limit = 1
})
ami = optional(object({
filter = optional(map(list(string)), { state = ["available"] })
owners = optional(list(string), ["amazon"])
id_ssm_parameter_arn = optional(string, null)
kms_key_arn = optional(string, null)
}), null) # Defaults to null, in which case the module falls back to individual AMI variables (deprecated)
# Deprecated: Use ami object instead
ami_filter = optional(map(list(string)), { state = ["available"] })
ami_owners = optional(list(string), ["amazon"])
ami_id_ssm_parameter_name = optional(string, null)
ami_kms_key_arn = optional(string, "")
create_service_linked_role_spot = optional(bool, false)
credit_specification = optional(string, null)
delay_webhook_event = optional(number, 30)
disable_runner_autoupdate = optional(bool, false)
ebs_optimized = optional(bool, false)
enable_ephemeral_runners = optional(bool, false)
enable_job_queued_check = optional(bool, null)
enable_on_demand_failover_for_errors = optional(list(string), [])
enable_organization_runners = optional(bool, false)
enable_runner_binaries_syncer = optional(bool, true)
enable_ssm_on_runners = optional(bool, false)
enable_userdata = optional(bool, true)
instance_allocation_strategy = optional(string, "lowest-price")
instance_max_spot_price = optional(string, null)
instance_target_capacity_type = optional(string, "spot")
instance_types = list(string)
job_queue_retention_in_seconds = optional(number, 86400)
minimum_running_time_in_minutes = optional(number, null)
pool_runner_owner = optional(string, null)
runner_as_root = optional(bool, false)
runner_boot_time_in_minutes = optional(number, 5)
runner_disable_default_labels = optional(bool, false)
runner_extra_labels = optional(list(string), [])
runner_group_name = optional(string, "Default")
runner_name_prefix = optional(string, "")
runner_run_as = optional(string, "ec2-user")
runners_maximum_count = number
runner_additional_security_group_ids = optional(list(string), [])
scale_down_schedule_expression = optional(string, "cron(*/5 * * * ? *)")
scale_up_reserved_concurrent_executions = optional(number, 1)
userdata_template = optional(string, null)
userdata_content = optional(string, null)
enable_jit_config = optional(bool, null)
enable_runner_detailed_monitoring = optional(bool, false)
enable_cloudwatch_agent = optional(bool, true)
cloudwatch_config = optional(string, null)
userdata_pre_install = optional(string, "")
userdata_post_install = optional(string, "")
runner_hook_job_started = optional(string, "")
runner_hook_job_completed = optional(string, "")
runner_ec2_tags = optional(map(string), {})
runner_iam_role_managed_policy_arns = optional(list(string), [])
vpc_id = optional(string, null)
subnet_ids = optional(list(string), null)
idle_config = optional(list(object({
cron = string
timeZone = string
idleCount = number
evictionStrategy = optional(string, "oldest_first")
})), [])
cpu_options = optional(object({
core_count = number
threads_per_core = number
}), null)
placement = optional(object({
affinity = optional(string)
availability_zone = optional(string)
# group_id = try(placement.value.group_id, null) # aws >= 6.12.0
group_name = optional(string)
host_id = optional(string)
host_resource_group_arn = optional(number)
spread_domain = optional(string)
tenancy = optional(string)
partition_number = optional(number)
}), null)
runner_log_files = optional(list(object({
log_group_name = string
prefix_log_group = bool
file_path = string
log_stream_name = string
})), null)
block_device_mappings = optional(list(object({
delete_on_termination = optional(bool, true)
device_name = optional(string, "/dev/xvda")
encrypted = optional(bool, true)
iops = optional(number)
kms_key_id = optional(string)
snapshot_id = optional(string)
throughput = optional(number)
volume_size = number
volume_type = optional(string, "gp3")
})), [{
volume_size = 30
}])
pool_config = optional(list(object({
schedule_expression = string
schedule_expression_timezone = optional(string)
size = number
})), [])
job_retry = optional(object({
enable = optional(bool, false)
delay_in_seconds = optional(number, 300)
delay_backoff = optional(number, 2)
lambda_memory_size = optional(number, 256)
lambda_timeout = optional(number, 30)
max_attempts = optional(number, 1)
}), {})
})
matcherConfig = object({
labelMatchers = list(list(string))
exactMatch = optional(bool, false)
priority = optional(number, 999)
})
redrive_build_queue = optional(object({
enabled = bool
maxReceiveCount = number
}), {
enabled = false
maxReceiveCount = null
})
})) | n/a | yes |
| [pool\_lambda\_reserved\_concurrent\_executions](#input\_pool\_lambda\_reserved\_concurrent\_executions) | Amount of reserved concurrent executions for the scale-up lambda function. A value of 0 disables lambda from being triggered and -1 removes any concurrency limitations. | `number` | `1` | no |
| [pool\_lambda\_timeout](#input\_pool\_lambda\_timeout) | Time out for the pool lambda in seconds. | `number` | `60` | no |
| [prefix](#input\_prefix) | The prefix used for naming resources | `string` | `"github-actions"` | no |
diff --git a/modules/multi-runner/runners.tf b/modules/multi-runner/runners.tf
index d58e61f6ac..656a0b38c4 100644
--- a/modules/multi-runner/runners.tf
+++ b/modules/multi-runner/runners.tf
@@ -57,6 +57,7 @@ module "runners" {
metadata_options = each.value.runner_config.runner_metadata_options
credit_specification = each.value.runner_config.credit_specification
cpu_options = each.value.runner_config.cpu_options
+ placement = each.value.runner_config.placement
enable_runner_binaries_syncer = each.value.runner_config.enable_runner_binaries_syncer
lambda_s3_bucket = var.lambda_s3_bucket
diff --git a/modules/multi-runner/variables.tf b/modules/multi-runner/variables.tf
index 6ceab81ed6..8ff4e1031f 100644
--- a/modules/multi-runner/variables.tf
+++ b/modules/multi-runner/variables.tf
@@ -130,6 +130,17 @@ variable "multi_runner_config" {
core_count = number
threads_per_core = number
}), null)
+ placement = optional(object({
+ affinity = optional(string)
+ availability_zone = optional(string)
+ # group_id = try(placement.value.group_id, null) # aws >= 6.12.0
+ group_name = optional(string)
+ host_id = optional(string)
+ host_resource_group_arn = optional(number)
+ spread_domain = optional(string)
+ tenancy = optional(string)
+ partition_number = optional(number)
+ }), null)
runner_log_files = optional(list(object({
log_group_name = string
prefix_log_group = bool
diff --git a/modules/runners/README.md b/modules/runners/README.md
index 4ad4825113..c298c5fcd0 100644
--- a/modules/runners/README.md
+++ b/modules/runners/README.md
@@ -196,6 +196,7 @@ yarn run dist
| [metrics](#input\_metrics) | Configuration for metrics created by the module, by default metrics are disabled to avoid additional costs. When metrics are enable all metrics are created unless explicit configured otherwise. | object({
enable = optional(bool, false)
namespace = optional(string, "GitHub Runners")
metric = optional(object({
enable_github_app_rate_limit = optional(bool, true)
enable_job_retry = optional(bool, true)
enable_spot_termination_warning = optional(bool, true)
}), {})
}) | `{}` | no |
| [minimum\_running\_time\_in\_minutes](#input\_minimum\_running\_time\_in\_minutes) | The time an ec2 action runner should be running at minimum before terminated if non busy. If not set the default is calculated based on the OS. | `number` | `null` | no |
| [overrides](#input\_overrides) | This map provides the possibility to override some defaults. The following attributes are supported: `name_sg` overrides the `Name` tag for all security groups created by this module. `name_runner_agent_instance` overrides the `Name` tag for the ec2 instance defined in the auto launch configuration. `name_docker_machine_runners` overrides the `Name` tag spot instances created by the runner agent. | `map(string)` | {
"name_runner": "",
"name_sg": ""
} | no |
+| [placement](#input\_placement) | The placement options for the instance. See https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/launch_template#placement for details. | object({
affinity = optional(string)
availability_zone = optional(string)
# group_id = try(placement.value.group_id, null) # aws >= 6.12.0
group_name = optional(string)
host_id = optional(string)
host_resource_group_arn = optional(number)
spread_domain = optional(string)
tenancy = optional(string)
partition_number = optional(number)
}) | `null` | no |
| [pool\_config](#input\_pool\_config) | The configuration for updating the pool. The `pool_size` to adjust to by the events triggered by the `schedule_expression`. For example you can configure a cron expression for week days to adjust the pool to 10 and another expression for the weekend to adjust the pool to 1. Use `schedule_expression_timezone ` to override the schedule time zone (defaults to UTC). | list(object({
schedule_expression = string
schedule_expression_timezone = optional(string)
size = number
})) | `[]` | no |
| [pool\_lambda\_memory\_size](#input\_pool\_lambda\_memory\_size) | Lambda Memory size limit in MB for pool lambda | `number` | `512` | no |
| [pool\_lambda\_reserved\_concurrent\_executions](#input\_pool\_lambda\_reserved\_concurrent\_executions) | Amount of reserved concurrent executions for the scale-up lambda function. A value of 0 disables lambda from being triggered and -1 removes any concurrency limitations. | `number` | `1` | no |
diff --git a/modules/runners/main.tf b/modules/runners/main.tf
index 68365f2280..adcdc87d61 100644
--- a/modules/runners/main.tf
+++ b/modules/runners/main.tf
@@ -169,6 +169,21 @@ resource "aws_launch_template" "runner" {
}
}
+ dynamic "placement" {
+ for_each = var.placement != null ? [var.placement] : []
+ content {
+ affinity = try(placement.value.affinity, null)
+ availability_zone = try(placement.value.availability_zone, null)
+ # group_id = try(placement.value.group_id, null) # aws >= 6.12.0
+ group_name = try(placement.value.group_name, null)
+ host_id = try(placement.value.host_id, null)
+ host_resource_group_arn = try(placement.value.host_resource_group_arn, null)
+ spread_domain = try(placement.value.spread_domain, null)
+ tenancy = try(placement.value.tenancy, null)
+ partition_number = try(placement.value.partition_number, null)
+ }
+ }
+
monitoring {
enabled = var.enable_runner_detailed_monitoring
}
diff --git a/modules/runners/variables.tf b/modules/runners/variables.tf
index 846ddeafc6..97fbb4335c 100644
--- a/modules/runners/variables.tf
+++ b/modules/runners/variables.tf
@@ -671,6 +671,22 @@ variable "cpu_options" {
default = null
}
+variable "placement" {
+ description = "The placement options for the instance. See https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/launch_template#placement for details."
+ type = object({
+ affinity = optional(string)
+ availability_zone = optional(string)
+ # group_id = try(placement.value.group_id, null) # aws >= 6.12.0
+ group_name = optional(string)
+ host_id = optional(string)
+ host_resource_group_arn = optional(number)
+ spread_domain = optional(string)
+ tenancy = optional(string)
+ partition_number = optional(number)
+ })
+ default = null
+}
+
variable "enable_jit_config" {
description = "Overwrite the default behavior for JIT configuration. By default JIT configuration is enabled for ephemeral runners and disabled for non-ephemeral runners. In case of GHES check first if the JIT config API is available. In case you are upgrading from 3.x to 4.x you can set `enable_jit_config` to `false` to avoid a breaking change when having your own AMI."
type = bool
diff --git a/variables.tf b/variables.tf
index 17ea50bfcf..12246404e5 100644
--- a/variables.tf
+++ b/variables.tf
@@ -887,6 +887,22 @@ variable "runner_cpu_options" {
default = null
}
+variable "runner_placement" {
+ description = "The placement options for the instance. See https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/launch_template#placement for details."
+ type = object({
+ affinity = optional(string)
+ availability_zone = optional(string)
+ # group_id = try(placement.value.group_id, null) # aws >= 6.12.0
+ group_name = optional(string)
+ host_id = optional(string)
+ host_resource_group_arn = optional(number)
+ spread_domain = optional(string)
+ tenancy = optional(string)
+ partition_number = optional(number)
+ })
+ default = null
+}
+
variable "enable_jit_config" {
description = "Overwrite the default behavior for JIT configuration. By default JIT configuration is enabled for ephemeral runners and disabled for non-ephemeral runners. In case of GHES check first if the JIT config API is available. In case you are upgrading from 3.x to 4.x you can set `enable_jit_config` to `false` to avoid a breaking change when having your own AMI."
type = bool