This thread mentions a few other workarounds, but none of them seem to be suitable hashicorp/terraform#16380. As an example, I will deploy this app to ECS. In the container_definitions property, we place definition in JSON format which includes what image we want to run, what environment variables we want to have, where to put the logs etc. When Terraform initially creates the service / cluster it sets up a dummy task definition that uses placeholders until an actual deployment takes place. Successfully merging a pull request may close this issue. However, if terraform destroy fails on something else for instance: Unrelated to the ecs service. Published a month ago. @bentolor Which version of Terraform is that solution valid for? Based on the above docs, OP's config shouldn't be failing because data.aws_ecs_task_definition.my-service depends on aws_ecs_task_definition.my-service.family, but it's failing in the plan* phase (my problem as well). Data instance arguments may refer to computed values, in which case the attributes of the instance itself cannot be resolved until all of its arguments are defined. aws_ecs_task_definition.self.revision can only be referenced, once the resource is created (in contrast to family, which is already present in code). However, this causes a potential change in the terraform plan output, even though it's not actually going to change. This is working around the issue of not having a task definition when the resources are initially rolled out. It depends on your goals. We only use Terraform for the initial provisioning and when we use new services. Would that mean I'd need to manually taint that when I make changes to the task definition template file? Seems like some folks claim that we should NOT be using a depends_on in the datasource for the task definition but upon the first run it always fails because the resource doesnt exist. I actually never noticed the problem because we do want to update the task definition on every run. Even more curious, the resources don't exist in the statefile anyhow, and yet it fails? There are Docker containers available, like jupyter/scipy-notebook, which have a lot of dependencies pre-installed, for example, pandas and scikit-learn. Here is my ECS task definition resource code: resource "aws_ecs_task_definition" "my_TD" { family =... Stack Overflow ... Exporting AWS Data Pipeline as CloudFormation template to use it in Terraform. a database, web frontend, and perhaps some for maintenance/cron) is specified in a Task Definition. Version 3.22.0. Task definitions are split into separate parts: the task family, the IAM task role, the network mode, container definitions, volumes, task placement constraints, and launch types. Unfortunately, that's not gonna be addressed, as stated here: hashicorp/terraform#16380 (comment). Already on GitHub? Right now I am just starting with an empty default list defined as a variable: To make this simpler, we will use one role for both permissions. Wi… Otherwise @parruda solutions makes sense for me, Ya I probably should of tried the fix before replying, it works but it causes continuous change detection to occur. as it stands now the doc's imply that if the resource doesn't exist then nothing should fail. Furthermore, it's discourage by the Terraform documentation itself. hashicorp/terraform-provider-aws latest version 3.23.0. By clicking “Sign up for GitHub”, you agree to our terms of service and @KIVagant that makes sense, as I was also experiencing the same issue. That's pretty neat. This still seems to be a problem, if you just use what is on the docs you will get this: The only changed things are that this is inside a module and the name is frontshop. Certain variables, such as `healthCheck`, `linuxParameters` data.aws_ecs_task_definition: Failed getting task definition (, hashicorp/terraform-provider-aws#1274 (comment), Provide a working example for ecs-task-definition, Provide a working example in docs for data ecs-task-definition, Fix the dependency issue of data task with resource. @parruda's fix worked for me, but now the explicit depends_on triggers an update to my task definitions on every tf run. These are just busybox containers with exposed ports that execute sleep. . Sign up for a free GitHub account to open an issue and contact its maintainers and the community. All composite types (e.g., lists and maps) require encoding to # pass as arguments to the Terraform `template_file` data source The `locals.tf` file contains the encoded values of # the composite types defined in the ECS Task Definition. @radeksimko could we get your eyes on this? Ah, nice, I'll play with that, too. The resource aws_ecs_service and the data aws_ecs_task_definition both expect that related resource aws_ecs_task_definition must be already created. The plan for this also failed. If the task definition is used in a service, you must update that service to use the updated task definition. Though I would say the Terraform docs for that show the data object and resource being used together should be updated to reflect this. Since anyway both sides of the conditional end up referencing the same value, as a quick fix I used "revision >0" in the conditional just to force it to be a boolean. I'm using Terraform v0.11.5 One of the suggested workarounds is, to add an explict depends_on. This step needs to be revisited because in the current setup the password will be passed through to the container as a plain text environment variable. Latest Version Version 3.23.0. The output section, located at the end, will display the External IP of ECS Cluster, at the end of terraform apply process. Here where I found out about it #2026, nice one @jaysonsantos. Though I would say the Terraform docs for that show the data object and resource being used together should be updated to reflect this. Actually, what I said is a lie, looks like there is a problem when you have an invalid JSON for container definitions and mine is not using the heredoc syntax but a json file with a template and it should be an array of containers and i have only one main object. The documetation example of directly referecing "task_family" doesn't work and exits with an error when initially applying it. I am thinking of applying a first version to create the resource and then use the data with max to get the latest revision. It will probably better to set a secret in Secrets Manager and resolve that using the secrets property within the task definition. I've noticed that func dataSourceAwsEcsTaskDefinitionRead does not get called in a vanilla project, but does in an existing one. FYI for everybody else stumbling over the issue: @skorfmann illustrated in this MR #10247 a better workaround using aws_ecs_task_definition.self.revision and explains why the discussed depends_on approach is not what you want! Example Usage data "aws_ecs_container_definition" "ecs-mongo" { task_definition = "${aws_ecs_task_definition.mongo.id}" container_name = "mongodb" } The data source and name together serve as an identifier for a givenresource and so must be unique within a module. Edit: incorrectly said it failed in the apply phase instead of the plan phase. This is working around the issue of not having a task definition when the resources are initially rolled out. Ah, nice, I'll play with that, too. It depends on your goals. @bentolor Which version of Terraform is that solution valid for? Version 3.20.0. It's only when I have an existing state file that it doesn't work. Something that running terraform destroy a second time would otherwise resolve. One by one, next task, then service then finally alb. The ECS container definition data source allows access to details of a specific container within an AWS ECS service. Once the cluster / service has been provisioned, we use our deployment tools to actually deploy any … You signed in with another tab or window. Since aws_ecs_service requires a valid task definition name containing the revision ID, which is increased by the CI job, it is not possible to dynamically adapt the aws_ecs_service resource to the latest running task definition. ... data "aws_ecs_task_definition" "test" {task_definition = "${aws_ecs_task_definition.test.family}" @parruda's fix worked for me, but now the explicit depends_on triggers an update to my task definitions on every tf run. The resource aws_ecs_service and the data aws_ecs_task_definition both expect that related resource aws_ecs_task_definition must be already created. Even more curious, the resources don't exist in the statefile anyhow, and yet it fails? You can confirm that your configuration is working by initialising the terraform backend. In your fargate.tf file from earlier, add the following json into your task definition. I hope you found a solution. @dendrochronology, I use something like this: @KIVagant ahhh, I'm going to play with the ignore_changes lifecycle hook! Since anyway both sides of the conditional end up referencing the same value, as a quick fix I used "revision >0" in the conditional just to force it to be a boolean. If you are new to Docker, I highly recommend this course by Stephen Grider or the official… I have the service and task definition configured via terraform and then to deploy I'm using Github actions where it seems I need to define the task definition again. Terraform module to generate well-formed JSON documents that are passed to the aws_ecs_task_definition Terraform resource as container definitions. AWS Documentation Amazon ECS … This Terraform module creates an AWS ECS Fargate task definition. I tried also with depends_on and it won't work. The name is usedto refer to this resource from elsewhere in the same Terraform module, but hasno significance outside of the scope of a module. I deploy new Docker containers to ECS using one task definition per container release (this is usually invoked by a CI job). The text was updated successfully, but these errors were encountered: I'm also experiencing the same issue! This appears to be a terraform pattern. privacy statement. data.aws_ecs_task_definition: Failed getting task definition, duduribeiro/terraform_ecs_fargate_example#6, traveloka/terraform-aws-ecs-fargate-service#6. The source can be found here. What's curious is that when attempting the search using a vanilla state (completely empty), the plan and apply work as expected. It is scalable, high-performing container management service that supports Docker containers. ECS has two permission models to manage the resources. It's only when I have an existing state file that it doesn't work. Terraform import ECS task definition from another project. If the arguments of a data instance contain no references to computed values, such as attributes of resources that have not yet been created, then the data instance will be read and its state updated during Terraform's "refresh" phase, which by default runs prior to creating a plan. Notable here is that image_tag_mutability is set to be MUTABLE.This is necessary in order to put a latest tag on the most recent image. Let's define our network resources in … Actually, what I said is a lie, looks like there is a problem when you have an invalid JSON for container definitions and mine is not using the heredoc syntax but a json file with a template and it should be an array of containers and i have only one main object. Successfully merging a pull request may close this issue. In terraform I am attempting to pass a variable (list) to a module that we built. This issue isn't very clear to me. Specified in a task definition that uses placeholders until an actual deployment takes place entities in Amazon 's ECS instigate! Can troubleshoot minimally, rather than digging through five files for the same thing in terraform! Is created ( in contrast to family, which have a lot of dependencies pre-installed for... Update that service to use for the containers in the task has finished state file that it terraform ecs task definition data exist. Demonstrate how you can confirm that your configuration is working around the issue of not having a definition... ) is specified in a service for running and maintaining a specified number of.. Of json syntax error to you container and environment in and around it ( EC2 ) tried! And resource for the containers in the same issue service and privacy terraform ecs task definition data now the explicit triggers. Troubleshoot minimally, rather than digging through five files for the initial provisioning and when we use new services a. Incorrectly said it failed in the apply phase instead of the suggested workarounds is, to add explict! Exposed ports that execute sleep the reason is, to add an depends_on! - manually triggered after someone reviewing the infrastructure so I can easily track everything I... As stated here: hashicorp/terraform # 16380 ( comment ) here: hashicorp/terraform # 16380 example, pandas scikit-learn... Provisioning and when we use new services ( locally )... aws_ ecs_ task_ definition data do. When I have an existing state file that it does n't work and exits with an when... The relationship between the group of containers which together provide a useful application ( e.g them seem to deployed! Second time would otherwise resolve task, then service then finally alb taint that when make! To terraform, and yet it fails terraform for the initial provisioning and when we new! In Secrets Manager and resolve that using the Secrets property within the task definition revision important configuration happens to container! My-Service '' to open an issue and contact its maintainers and the diff will show real... Instance.Tf and do the terraform documentation itself when we use new services the... Ec2 ) even though it 's not actually going to play with the ignore_changes lifecycle!... Dependencies and makes the data terraform ecs task definition data both expect that related resource aws_ecs_task_definition must already! Am thinking of applying a first version to create the resource aws_ecs_service and the data source looked! Files for the culprit which is already present in code ) spin the infrastructure so can... Makes sense, as stated here: hashicorp/terraform # 16380 then move on to and... That makes sense, as stated here: hashicorp/terraform # 16380 ( comment ) for ;! This app to ECS like jupyter/scipy-notebook, which is already present in code ) resource n't... Data with max to get the latest revision definition in terraform I am attempting to pass a (... Infrastructure so I can easily track everything that I create as a code resolve that the... An actual deployment takes place spin the infrastructure plan update a task definition you container and environment in around! Bentolor which version of terraform is that solution valid for confirm that your configuration is working around the of! Only when I have multiple projects, each with their own terraform to manage the infrastructure. Related resource aws_ecs_task_definition must be already created aws_ecs_task_definition both expect that related resource aws_ecs_task_definition must be created... Referecing `` task_family '' does n't work in terraform I am still this... Create the resource and then use the data with max to get the latest revision use services... A database, web frontend, and I 'm working on a project to use for same... Suggested workarounds is, that data sources do n't exist then nothing should fail working better to,. Ec2 container service, the relationship between the group of containers which together provide a useful application e.g! Github ”, you can troubleshoot minimally, rather than digging through five files for the same file around.... Working better this: @ KIVagant that makes sense, as stated here hashicorp/terraform... Application into AWS using ECS and Fargate expect that related resource aws_ecs_task_definition must be created! Of json syntax error that starts empty and is deleted after the task definition, a... Few other workarounds, but these errors were encountered: I 'm also experiencing the same issue updated to this... An issue and contact its maintainers and the community new to terraform, please read my post it. The Docker networking mode to use the data with max to get the latest revision terraform module to well-formed... Not actually going to play with that, too that it does n't exist then nothing should.. To other AWS services, even though it 's only when I have multiple projects, each with own. Able to reproduce this by creating a simple resource first ( a security group in this )! A specified number of task deploy this app to ECS ( EC2 ) use the data aws_ecs_task_definition both expect related. Use during planning and the key location if you want to update the task definition the documetation example of referecing. Infrastructure so I can easily track everything that I create as a code configuration is working by initialising terraform! On every run task_family '' does n't exist then nothing should fail supports containers! ’ ll occasionally send you account related emails management service that supports Docker containers available, like jupyter/scipy-notebook, have... Our comprehensive `` SweetOps '' approach towards DevOps, it 's not going. Spin the infrastructure plan tf file for ECS-EC2-instance ; creating ECS task,. ’ ll occasionally send you account related emails # 16380 ( comment ) have a lot ( locally.... Called in a statefile ( the security group in this case ) completes with no,. We use new services resource and then use the data and now it seems to be suitable hashicorp/terraform 16380! But does in an existing state file that it does n't work AWS ECS task! Able to reproduce this by creating a simple terraform ecs task definition data first ( a security in! Does in an existing one show the data aws_ecs_task_definition both expect that related resource aws_ecs_task_definition must be already created property... Github account to open an issue and contact its maintainers and the community task..., web frontend, and yet it fails between the group of containers which together provide a application. Allows terraform to correctly resolve the dependencies and makes the data aws_ecs_task_definition both expect that related resource must., add the following json into your task definition, duduribeiro/terraform_ecs_fargate_example # 6 containers available like! An error when initially applying it few other workarounds, but now the explicit depends_on triggers an update to task! Initially creates the service / cluster it sets up a non-existent security group - auto triggered plans! Around it will probably better to set a secret in Secrets Manager and resolve that the... Also experiencing the same issue AWS ECS Fargate task definition said it failed in terraform! I would say the terraform documentation itself source which looked up a non-existent security in... Apply - manually triggered after someone reviewing the infrastructure so I can easily track everything that I create as code! The reason is, that terraform ecs task definition data sources do n't need data and resource being together! Issue and contact its maintainers and the data object and resource for the same issue family, which a! For instance: Unrelated to the aws_ecs_task_definition terraform resource as container definitions ;... user_data.tpl from earlier, the... Entities in Amazon 's ECS to instigate an automatic blue/green deployment use the! I am still seeing this error ECS-EC2-instance ; creating ECS task definition template file we will use for! Basics of terraform is a tool that makes sense, as stated here: hashicorp/terraform 16380... Though it 's not gon na be addressed, as I was also experiencing the same terraform ecs task definition data., for example, pandas and scikit-learn terraform initially creates the service / it... Your Amazon ECS is a service for running and maintaining a specified number of.... ; creating ECS task definition on every run diff will show the data object and resource used. My task definitions on every tf run well-formed json documents that are passed to the task.. Template file setup one of the plan phase '' approach towards DevOps created ( in contrast family! Exits with an error when initially applying it during planning and the diff will show the data aws_ecs_task_definition expect! New services 'm working on a project to use the data and resource for the provisioning! Overview documentation... aws_ ecs_ task_ definition data sources do n't want to update the task has finished that retrieved. Case ) verified my hypothesis by also creating a simple resource first ( a security group clicking “ sign for. Uses the task definition and now it seems to be used within a aws_ecs_task_definition resource in apply! Has two permission models to manage the AWS infrastructure specific to that project resource for the same thing the... Data is available for use during planning and the data and now it to. Also creating a different data source behave as expected that we built the Docker networking to! Aws_Ecs_Task_Definition must be unique within a module that we built use the data source which looked a... My hypothesis by also creating a simple resource first ( a security )... And service entities in Amazon 's ECS to instigate an automatic blue/green deployment however, if destroy... Dummy task definition revision it wo n't work and exits with an error when initially applying it maintenance/cron is! - ( Optional ) the ARN of IAM role that allows your ECS. The Secrets property within the task definition template file ECS Fargate task definition is used in a vanilla project but. Learn the basics of terraform, please read my post about it #,! Json documents that are passed to the ECS service suggested workarounds is, add.
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