improve configurability and resource references for internal ALB (#3654)
* refactor(net-lb-app-ext): improve configurability and resource references - Allow overriding names for backend buckets and instance groups - Add optional per-group description with default value - Use self_link for instance group backend references - Fix HTTP proxy name to use http_proxy_config * reverted the instance group reference in backend service back to id instead of self link * updated all the lb modules for unmanaged instance groups to have flexible names and proper refactorization of http_proxy_cofig in each module * removed the description variable * updated the readme.md for the net-lb-app-ext-regional module * fixed the linting error for the change in versions.tf --------- Co-authored-by: Julio Castillo <jccb@google.com> Co-authored-by: Ludovico Magnocavallo <ludomagno@google.com>
This commit is contained in:
Suryansh Singhal
@@ -202,17 +202,16 @@ For deploying changes to load balancer configuration please refer to [net-lb-app
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| name | description | type | required | default |
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|---|---|:---:|:---:|:---:|
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| [name](variables.tf#L202) | Name used for all resources. | <code>string</code> | ✓ | |
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| [project_id](variables.tf#L207) | Project id where resources will be created. | <code>string</code> | ✓ | |
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| [region](variables.tf#L212) | GCP region. | <code>string</code> | ✓ | |
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| [name](variables.tf#L198) | Name used for all resources. | <code>string</code> | ✓ | |
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| [project_id](variables.tf#L203) | Project id where resources will be created. | <code>string</code> | ✓ | |
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| [region](variables.tf#L208) | GCP region. | <code>string</code> | ✓ | |
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| [backend_service_config](variables.tf#L17) | Backend service level configuration. | <code title="object({ connection_draining_timeout_sec = optional(number) connection_tracking = optional(object({ idle_timeout_sec = optional(number) persist_conn_on_unhealthy = optional(string) track_per_session = optional(bool) })) failover_config = optional(object({ disable_conn_drain = optional(bool) drop_traffic_if_unhealthy = optional(bool) ratio = optional(number) })) locality_lb_policy = optional(string) log_sample_rate = optional(number) name = optional(string) description = optional(string, "Terraform managed.") port_name = optional(string) protocol = optional(string, "UNSPECIFIED") session_affinity = optional(string) timeout_sec = optional(number) })">object({…})</code> | | <code>{}</code> |
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| [backends](variables.tf#L68) | Load balancer backends. | <code title="list(object({ group = string description = optional(string, "Terraform managed.") failover = optional(bool, false) }))">list(object({…}))</code> | | <code>[]</code> |
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| [description](variables.tf#L79) | Optional description used for resources. | <code>string</code> | | <code>"Terraform managed."</code> |
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| [forwarding_rules_config](variables.tf#L85) | The optional forwarding rules configuration. | <code title="map(object({ address = optional(string) description = optional(string) ipv6 = optional(bool, false) name = optional(string) ports = optional(list(string), null) protocol = optional(string, "TCP") subnetwork = optional(string) # Required for IPv6 }))">map(object({…}))</code> | | <code title="{ "" = {} }">{…}</code> |
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| [group_configs](variables.tf#L101) | Optional unmanaged groups to create. Can be referenced in backends via outputs. | <code title="map(object({ zone = string instances = optional(list(string)) named_ports = optional(map(number), {}) }))">map(object({…}))</code> | | <code>{}</code> |
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| [health_check](variables.tf#L112) | Name of existing health check to use, disables auto-created health check. | <code>string</code> | | <code>null</code> |
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| [health_check_config](variables.tf#L118) | Optional auto-created health check configuration, use the output self-link to set it in the auto healing policy. Refer to examples for usage. | <code title="object({ check_interval_sec = optional(number) description = optional(string, "Terraform managed.") enable_logging = optional(bool, false) healthy_threshold = optional(number) name = optional(string) timeout_sec = optional(number) unhealthy_threshold = optional(number) grpc = optional(object({ port = optional(number) port_name = optional(string) port_specification = optional(string) # USE_FIXED_PORT USE_NAMED_PORT USE_SERVING_PORT service_name = optional(string) })) http = optional(object({ host = optional(string) port = optional(number) port_name = optional(string) port_specification = optional(string) # USE_FIXED_PORT USE_NAMED_PORT USE_SERVING_PORT proxy_header = optional(string) request_path = optional(string) response = optional(string) })) http2 = optional(object({ host = optional(string) port = optional(number) port_name = optional(string) port_specification = optional(string) # USE_FIXED_PORT USE_NAMED_PORT USE_SERVING_PORT proxy_header = optional(string) request_path = optional(string) response = optional(string) })) https = optional(object({ host = optional(string) port = optional(number) port_name = optional(string) port_specification = optional(string) # USE_FIXED_PORT USE_NAMED_PORT USE_SERVING_PORT proxy_header = optional(string) request_path = optional(string) response = optional(string) })) tcp = optional(object({ port = optional(number) port_name = optional(string) port_specification = optional(string) # USE_FIXED_PORT USE_NAMED_PORT USE_SERVING_PORT proxy_header = optional(string) request = optional(string) response = optional(string) })) ssl = optional(object({ port = optional(number) port_name = optional(string) port_specification = optional(string) # USE_FIXED_PORT USE_NAMED_PORT USE_SERVING_PORT proxy_header = optional(string) request = optional(string) response = optional(string) })) })">object({…})</code> | | <code title="{ tcp = { port_specification = "USE_SERVING_PORT" } }">{…}</code> |
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| [labels](variables.tf#L196) | Labels set on resources. | <code>map(string)</code> | | <code>{}</code> |
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| [forwarding_rules_config](variables.tf#L79) | The optional forwarding rules configuration. | <code title="map(object({ address = optional(string) description = optional(string) ipv6 = optional(bool, false) name = optional(string) ports = optional(list(string), null) protocol = optional(string, "TCP") subnetwork = optional(string) # Required for IPv6 }))">map(object({…}))</code> | | <code title="{ "" = {} }">{…}</code> |
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| [group_configs](variables.tf#L95) | Optional unmanaged groups to create. Can be referenced in backends via outputs. | <code title="map(object({ name = optional(string) description = optional(string, "Terraform managed.") zone = string instances = optional(list(string)) named_ports = optional(map(number), {}) }))">map(object({…}))</code> | | <code>{}</code> |
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| [health_check](variables.tf#L108) | Name of existing health check to use, disables auto-created health check. | <code>string</code> | | <code>null</code> |
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| [health_check_config](variables.tf#L114) | Optional auto-created health check configuration, use the output self-link to set it in the auto healing policy. Refer to examples for usage. | <code title="object({ check_interval_sec = optional(number) description = optional(string, "Terraform managed.") enable_logging = optional(bool, false) healthy_threshold = optional(number) name = optional(string) timeout_sec = optional(number) unhealthy_threshold = optional(number) grpc = optional(object({ port = optional(number) port_name = optional(string) port_specification = optional(string) # USE_FIXED_PORT USE_NAMED_PORT USE_SERVING_PORT service_name = optional(string) })) http = optional(object({ host = optional(string) port = optional(number) port_name = optional(string) port_specification = optional(string) # USE_FIXED_PORT USE_NAMED_PORT USE_SERVING_PORT proxy_header = optional(string) request_path = optional(string) response = optional(string) })) http2 = optional(object({ host = optional(string) port = optional(number) port_name = optional(string) port_specification = optional(string) # USE_FIXED_PORT USE_NAMED_PORT USE_SERVING_PORT proxy_header = optional(string) request_path = optional(string) response = optional(string) })) https = optional(object({ host = optional(string) port = optional(number) port_name = optional(string) port_specification = optional(string) # USE_FIXED_PORT USE_NAMED_PORT USE_SERVING_PORT proxy_header = optional(string) request_path = optional(string) response = optional(string) })) tcp = optional(object({ port = optional(number) port_name = optional(string) port_specification = optional(string) # USE_FIXED_PORT USE_NAMED_PORT USE_SERVING_PORT proxy_header = optional(string) request = optional(string) response = optional(string) })) ssl = optional(object({ port = optional(number) port_name = optional(string) port_specification = optional(string) # USE_FIXED_PORT USE_NAMED_PORT USE_SERVING_PORT proxy_header = optional(string) request = optional(string) response = optional(string) })) })">object({…})</code> | | <code title="{ tcp = { port_specification = "USE_SERVING_PORT" } }">{…}</code> |
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| [labels](variables.tf#L192) | Labels set on resources. | <code>map(string)</code> | | <code>{}</code> |
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## Outputs
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@@ -20,8 +20,8 @@ resource "google_compute_instance_group" "default" {
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for_each = var.group_configs
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project = var.project_id
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zone = each.value.zone
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name = "${var.name}-${each.key}"
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description = var.description
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name = coalesce(each.value.name, "${var.name}-${each.key}")
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description = each.value.description
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instances = each.value.instances
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dynamic "named_port" {
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@@ -76,12 +76,6 @@ variable "backends" {
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nullable = false
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}
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variable "description" {
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description = "Optional description used for resources."
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type = string
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default = "Terraform managed."
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}
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variable "forwarding_rules_config" {
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description = "The optional forwarding rules configuration."
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type = map(object({
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@@ -101,6 +95,8 @@ variable "forwarding_rules_config" {
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variable "group_configs" {
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description = "Optional unmanaged groups to create. Can be referenced in backends via outputs."
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type = map(object({
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name = optional(string)
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description = optional(string, "Terraform managed.")
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zone = string
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instances = optional(list(string))
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named_ports = optional(map(number), {})
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