Add volumes_from and links (#25)

* Add volumes_from and links

fmt

Fix typo

Update readme for volumes_from

Fix typo

* Update readme & docs

README.md

@@ -83,6 +83,7 @@ Available targets:
 | environment | The environment variables to pass to the container. This is a list of maps | list | `<list>` | no |
 | essential | Determines whether all other containers in a task are stopped, if this container fails or stops for any reason. Due to how Terraform type casts booleans in json it is required to double quote this value | string | `true` | no |
 | healthcheck | A map containing command (string), interval (duration in seconds), retries (1-10, number of times to retry before marking container unhealthy, and startPeriod (0-300, optional grace period to wait, in seconds, before failed healthchecks count toward retries) | map | `<map>` | no |
+| links | List of container names this container can communicate with without port mappings. | list | `<list>` | no |
 | log_driver | The log driver to use for the container. If using Fargate launch type, only supported value is awslogs | string | `awslogs` | no |
 | log_options | The configuration options to send to the `log_driver` | map | `<map>` | no |
 | mount_points | Container mount points. This is a list of maps, where each map should contain a `containerPath` and `sourceVolume` | list | `<list>` | no |
@@ -91,6 +92,7 @@ Available targets:
 | repository_credentials | Container repository credentials; required when using a private repo.  This map currently supports a single key; "credentialsParameter", which should be the ARN of a Secrets Manager's secret holding the credentials | map | `<map>` | no |
 | secrets | The secrets to pass to the container. This is a list of maps | list | `<list>` | no |
 | ulimits | Container ulimit settings. This is a list of maps, where each map should contain "name", "hardLimit" and "softLimit" | list | `<list>` | no |
+| volumes_from | A list of VolumesFrom maps which contain "sourceContainer" (name of the container that has the volumes to mount) and "readOnly" (whether the container can write to the volume). | list | `<list>` | no |
 | working_directory | The working directory to run commands inside the container | string | `` | no |
 
 ## Outputs

docs/terraform.md

@@ -13,6 +13,7 @@
 | environment | The environment variables to pass to the container. This is a list of maps | list | `<list>` | no |
 | essential | Determines whether all other containers in a task are stopped, if this container fails or stops for any reason. Due to how Terraform type casts booleans in json it is required to double quote this value | string | `true` | no |
 | healthcheck | A map containing command (string), interval (duration in seconds), retries (1-10, number of times to retry before marking container unhealthy, and startPeriod (0-300, optional grace period to wait, in seconds, before failed healthchecks count toward retries) | map | `<map>` | no |
+| links | List of container names this container can communicate with without port mappings. | list | `<list>` | no |
 | log_driver | The log driver to use for the container. If using Fargate launch type, only supported value is awslogs | string | `awslogs` | no |
 | log_options | The configuration options to send to the `log_driver` | map | `<map>` | no |
 | mount_points | Container mount points. This is a list of maps, where each map should contain a `containerPath` and `sourceVolume` | list | `<list>` | no |
@@ -21,6 +22,7 @@
 | repository_credentials | Container repository credentials; required when using a private repo.  This map currently supports a single key; "credentialsParameter", which should be the ARN of a Secrets Manager's secret holding the credentials | map | `<map>` | no |
 | secrets | The secrets to pass to the container. This is a list of maps | list | `<list>` | no |
 | ulimits | Container ulimit settings. This is a list of maps, where each map should contain "name", "hardLimit" and "softLimit" | list | `<list>` | no |
+| volumes_from | A list of VolumesFrom maps which contain "sourceContainer" (name of the container that has the volumes to mount) and "readOnly" (whether the container can write to the volume). | list | `<list>` | no |
 | working_directory | The working directory to run commands inside the container | string | `` | no |
 
 ## Outputs

main.tf

@@ -15,6 +15,8 @@ locals {
     dnsServers             = "${var.dns_servers}"
     ulimits                = "${var.ulimits}"
     repositoryCredentials  = "${var.repository_credentials}"
+    links                  = "${var.links}"
+    volumesFrom            = "${var.volumes_from}"
 
     portMappings = "${var.port_mappings}"
 

variables.tf

@@ -131,3 +131,15 @@ variable "repository_credentials" {
   description = "Container repository credentials; required when using a private repo.  This map currently supports a single key; \"credentialsParameter\", which should be the ARN of a Secrets Manager's secret holding the credentials"
   default     = {}
 }
+
+variable "volumes_from" {
+  type        = "list"
+  description = "A list of VolumesFrom maps which contain \"sourceContainer\" (name of the container that has the volumes to mount) and \"readOnly\" (whether the container can write to the volume)."
+  default     = []
+}
+
+variable "links" {
+  type        = "list"
+  description = "List of container names this container can communicate with without port mappings."
+  default     = []
+}