OPA (Open Policy Agent) VS terragrunt

Compare OPA (Open Policy Agent) vs terragrunt and see what are their differences.

terragrunt

Terragrunt is a thin wrapper for Terraform that provides extra tools for working with multiple Terraform modules. (by gruntwork-io)
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OPA (Open Policy Agent) terragrunt
90 55
9,104 7,613
2.0% 1.9%
9.6 9.1
7 days ago about 21 hours ago
Go Go
Apache License 2.0 MIT License
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

OPA (Open Policy Agent)

Posts with mentions or reviews of OPA (Open Policy Agent). We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2024-04-02.
  • SAP BTP, Terraform and Open Policy Agent
    3 projects | dev.to | 2 Apr 2024
    How can we handle this? Are there any mechanisms to prevent or at least to some extent safeguard this kind of issues without falling back to a manual workflow? There is. One huge advantage of sticking to (de-facto) standards like Terraform is that first we are probably not the first ones to come up with this question and second there is a huge ecosystem around Terraform that might help us with such challenges. And for this specific scenario the solution is the Open Policy Agent. Let us take a closer look how the solution could look like.
  • Top Terraform Tools to Know in 2024
    19 projects | dev.to | 26 Mar 2024
    A popular Policy-as-Code tool for Terraform is OPA, everyone's favorite versatile open-source policy engine that enforces security and compliance policies across your cloud-native stack, making it easier to manage and maintain consistent policy enforcement in complex, multi-service environments.
  • Open Policy Agent
    8 projects | news.ycombinator.com | 12 Mar 2024
  • Build and Push to GAR and Deploy to GKE - End-to-End CI/CD Pipeline
    3 projects | dev.to | 2 Jan 2024
    Harness Policy As Code uses Open Policy Agent (OPA) as the central service to store and enforce policies for the different entities and processes across the Harness platform. In this section, you will define a policy that will deny a pipeline execution if there is no approval step defined in a deployment stage.
  • 10 Ways for Kubernetes Declarative Configuration Management
    23 projects | dev.to | 1 Jan 2024
    OPA: While OPA is an open-source, general-purpose policy engine capable of enforcing unified and context-aware policies throughout the stack, it can also accept and output data in formats such as JSON, effectively functioning as a tool for generating or modifying configurations. Although it does not provide out-of-the-box schema definition support, it allows the integration of JsonSchema definitions.
  • Securing CI/CD Images with Cosign and OPA
    4 projects | dev.to | 15 Nov 2023
    In essence, container image signing involves adding a digital stamp to an image, affirming its authenticity. This digital assurance guarantees that the image is unchanged from creation to deployment. In this blog, I'll explain how to sign container images for Kubernetes using Cosign and the Open Policy Agent. I will also share a tutorial that demonstrates these concepts.
  • OPA vs. Google Zanzibar: A Brief Comparison
    2 projects | dev.to | 14 Nov 2023
    In this post we will explores two powerful solutions for addressing this issue: the Open Policy Language (OPA) and Google’s Zanzibar.
  • Rego for beginners: Introduction to Rego
    1 project | dev.to | 2 Nov 2023
    Rego is a declarative query language from the makers of the Open Policy Agent (OPA) framework. The Cloud Native Computing Foundation (CNCF) accepted OPA as an incubation-level hosted project in April 2019, and OPA graduated from incubating status in 2021.
  • Are "Infrastructure as Code" limited to "Infrastructure" only?
    3 projects | /r/kubernetes | 19 Sep 2023
    Now there are more subdivided practice: * Policy as Code: Sentinel, OPA * Database as Code: bytebase * AppConfiguration as Code: KusionStack, Acorn * ...... (Welcome to add more)
  • OPA (Open Policy Agent) VS topaz - a user suggested alternative
    2 projects | 25 Jul 2023

terragrunt

Posts with mentions or reviews of terragrunt. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2024-03-26.
  • Top Terraform Tools to Know in 2024
    19 projects | dev.to | 26 Mar 2024
    ‍Terragrunt is a thin wrapper that provides extra tools for keeping your Terraform configurations DRY (Don't Repeat Yourself), working with multiple Terraform modules, and managing remote state. It's particularly useful in managing large-scale infrastructure deployments with Terraform.
  • DevSecOps with AWS- IaC at scale - Building your own platform - Part 1
    8 projects | dev.to | 21 Mar 2024
    ... #************************** Terraform ************************************* ARG TERRAFORM_VERSION=1.7.3 RUN set -ex \ && curl -O https://releases.hashicorp.com/terraform/${TERRAFORM_VERSION}/terraform_${TERRAFORM_VERSION}_linux_amd64.zip && unzip terraform_${TERRAFORM_VERSION}_linux_amd64.zip -d /usr/local/bin/ RUN set -ex \ && mkdir -p $HOME/.terraform.d/plugin-cache && echo 'plugin_cache_dir = "$HOME/.terraform.d/plugin-cache"' > ~/.terraformrc #************************* Terragrunt ************************************* ARG TERRAGRUNT_VERSION=0.55.1 RUN set -ex \ && wget https://github.com/gruntwork-io/terragrunt/releases/download/v${TERRAGRUNT_VERSION}/terragrunt_linux_amd64 -q \ && mv terragrunt_linux_amd64 /usr/local/bin/terragrunt \ && chmod +x /usr/local/bin/terragrunt #*********************** Terramate **************************************** ARG TERRAMATE_VERSION=0.4.5 RUN set -ex \ && wget https://github.com/mineiros-io/terramate/releases/download/v${TERRAMATE_VERSION}/terramate_${TERRAMATE_VERSION}_linux_x86_64.tar.gz \ && tar -xzf terramate_${TERRAMATE_VERSION}_linux_x86_64.tar.gz \ && mv terramate /usr/local/bin/terramate \ && chmod +x /usr/local/bin/terramate #*********************** tfsec ******************************************** ARG TFSEC_VERSION=1.28.5 RUN set -ex \ && wget https://github.com/aquasecurity/tfsec/releases/download/v${TFSEC_VERSION}/tfsec-linux-amd64 \ && mv tfsec-linux-amd64 /usr/local/bin/tfsec \ && chmod +x /usr/local/bin/tfsec \ && terragrunt --version #**********************Terraform docs ************************************ ARG TERRRAFORM_DOCS_VERSION=0.17.0 RUN set -ex \ && curl -sSLo ./terraform-docs.tar.gz https://terraform-docs.io/dl/v${TERRRAFORM_DOCS_VERSION}/terraform-docs-v${TERRRAFORM_DOCS_VERSION}-$(uname)-amd64.tar.gz \ && tar -xzf terraform-docs.tar.gz \ && chmod +x terraform-docs \ && mv terraform-docs /usr/local/bin/terraform-docs #********************* ShellCheck ***************************************** ARG SHELLCHECK_VERSION="stable" RUN set -ex \ && wget -qO- "https://github.com/koalaman/shellcheck/releases/download/${SHELLCHECK_VERSION?}/shellcheck-${SHELLCHECK_VERSION?}.linux.x86_64.tar.xz" | tar -xJv \ && cp "shellcheck-${SHELLCHECK_VERSION}/shellcheck" /usr/bin/ \ && shellcheck --version ...
  • Self-service infrastructure as code
    4 projects | dev.to | 12 Mar 2024
    Our first attempt was to introduce other engineering teams to Terraform - the Platform team was already using it extensively with Terragrunt, and using Atlantis to automate plan and apply operations in a Git flow to ensure infrastructure was consistent. We'd written modules, with documentation, and an engineer would simply need to raise a PR to use the module and provide the right values, and Atlantis (once the PR was approved by Platform) would go ahead and set it up for them.
  • Shielding Your Apps in the Cloud: Integrating CloudFront and AWS WAF with Terraform
    4 projects | dev.to | 23 Jan 2024
    Terragrunt: An extension of Terraform, Terragrunt assists in managing complex infrastructure with less duplication and more efficiency. Its power lies in its ability to manage dependencies and its dry configuration approach.
  • Advanced Terraform: Getting Started With Terragrunt
    1 project | dev.to | 19 Jan 2024
    Copy the link and download on your terminal using the wget command. Example: wget https://github.com/gruntwork-io/terragrunt/releases/download/v0.54.19/terragrunt_linux_amd64
  • EC2 Configuration using Ansible & GitHub Actions
    1 project | dev.to | 13 Jan 2024
    name: Configure on: push: branches: - main pull_request: branches: - main jobs: terraform: runs-on: ubuntu-latest steps: - name: Checkout repository uses: actions/checkout@v2 - name: Setup SSH uses: webfactory/[email protected] with: ssh-private-key: ${{ secrets.SSH_PRIVATE_KEY }} - name: Setup Terraform uses: hashicorp/setup-terraform@v2 with: terraform_version: 1.5.5 terraform_wrapper: false - name: Setup Terragrunt run: | curl -LO "https://github.com/gruntwork-io/terragrunt/releases/download/v0.48.1/terragrunt_linux_amd64" chmod +x terragrunt_linux_amd64 sudo mv terragrunt_linux_amd64 /usr/local/bin/terragrunt terragrunt -v - name: Apply Terraform changes run: | cd dev terragrunt run-all apply -auto-approve --terragrunt-non-interactive -var AWS_ACCESS_KEY_ID=$AWS_ACCESS_KEY_ID -var AWS_SECRET_ACCESS_KEY=$AWS_SECRET_ACCESS_KEY -var AWS_REGION=$AWS_DEFAULT_REGION cd apache-server/ec2-web-server public_ip=$(terragrunt output instance_public_ip) echo "$public_ip" > public_ip.txt cat public_ip.txt env: AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }} AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }} AWS_DEFAULT_REGION: ${{ secrets.AWS_DEFAULT_REGION }} - name: Upload artifact uses: actions/upload-artifact@v4 with: name: ip-artifact path: dev/apache-server/ec2-web-server/public_ip.txt ansible: runs-on: ubuntu-latest needs: terraform steps: - name: Download artifact uses: actions/download-artifact@v4 with: name: ip-artifact - name: Configure Ansible run: | sudo apt update sudo pipx inject ansible-core jmespath ansible-playbook --version sudo echo "[web]" >> ansible_hosts sudo cat public_ip.txt >> ansible_hosts mv ansible_hosts $HOME sudo cat $HOME/ansible_hosts - name: Configure playbook run: | cd $HOME cat > deploy.yml < Test Page This is a test page EOF cat $HOME/deploy.yml - name: Run playbook uses: dawidd6/action-ansible-playbook@v2 with: playbook: deploy.yml directory: /home/runner key: ${{secrets.SSH_PRIVATE_KEY}} options: | --inventory ansible_hosts --verbose
  • Top 10 terraform tools you should know about.
    10 projects | dev.to | 11 Dec 2023
    Created and maintained by Gruntwork, Terragrunt is a tool designed to enhance Terraform’s capabilities. It acts as a thin wrapper around Terraform, offering additional features to streamline and optimise Terraform usage. Key functions of Terragrunt include helping users keep their Terraform configurations DRY (Don’t Repeat Yourself), efficiently managing multiple Terraform modules, and handling remote state management. By reducing repetition in Terraform code and simplifying the management of complex module dependencies and remote state, Terragrunt makes working with Terraform more efficient, especially for larger or more complex infrastructure deployments.
  • Seamless Cloud Infrastructure: Integrating Terragrunt and Terraform with AWS
    7 projects | dev.to | 10 Dec 2023
    locals { # Automatically load region-level variables region_vars = read_terragrunt_config(find_in_parent_folders("region.hcl")) # Automatically load environment-level variables` environment_vars = read_terragrunt_config(find_in_parent_folders("env.hcl")) # Extract the variables we need for easy access account_name = local.environment_vars.locals.account_name account_id = local.environment_vars.locals.aws_account_id aws_region = local.region_vars.locals.aws_region # This is the S3 bucket where the Terraform State Files will be stored remote_state_bucket = "devops-bucket" # This is the DynamoDB table where Terraform will add the locking status dynamodb_table = "terraform-state-lock" # IAM Role for Terraform backend to assume terraform_backend_role = "arn:aws:iam::{shared-services_account_id}:role/terraform-backend-role" environment_path = replace(path_relative_to_include(), "environments/", "") # https://github.com/hashicorp/terraform/releases terraform_version = "latest" # https://github.com/gruntwork-io/terragrunt/releases terragrunt_version = "latest" } # Generate an AWS provider block generate "provider" { path = "provider.tf" if_exists = "overwrite_terragrunt" contents = <
  • Top 10 CLI Tools for DevOps Teams
    11 projects | dev.to | 14 Aug 2023
    If your team works with Terraform, you should definitely try Terragrunt (and obviously, its CLI tool!). It's an Infrastructure as Code (IaC) tool that acts as a wrapper for Terraform and simplifies dealing with multiple Terraform modules in different environments.
  • Terraform best practices for reliability at any scale
    3 projects | news.ycombinator.com | 4 Aug 2023
    I’ve been using Terragrunt [0] for the past three years to manage loosely coupled stacks of Terraform configurations. It allows you to compose separate configurations almost as easily as you compose modules within a configuration. Its got its own learning curve, but its a solid tool to have in the tool box.

    [0] https://terragrunt.gruntwork.io/

What are some alternatives?

When comparing OPA (Open Policy Agent) and terragrunt you can also consider the following projects:

casbin - An authorization library that supports access control models like ACL, RBAC, ABAC in Golang: https://discord.gg/S5UjpzGZjN

terraform-cdk - Define infrastructure resources using programming constructs and provision them using HashiCorp Terraform

Keycloak - Open Source Identity and Access Management For Modern Applications and Services

terraform - Terraform enables you to safely and predictably create, change, and improve infrastructure. It is a source-available tool that codifies APIs into declarative configuration files that can be shared amongst team members, treated as code, edited, reviewed, and versioned.

Ory Keto - Open Source (Go) implementation of "Zanzibar: Google's Consistent, Global Authorization System". Ships gRPC, REST APIs, newSQL, and an easy and granular permission language. Supports ACL, RBAC, and other access models.

Pulumi - Pulumi - Infrastructure as Code in any programming language. Build infrastructure intuitively on any cloud using familiar languages 🚀

cerbos - Cerbos is the open core, language-agnostic, scalable authorization solution that makes user permissions and authorization simple to implement and manage by writing context-aware access control policies for your application resources.

LocalStack - 💻 A fully functional local AWS cloud stack. Develop and test your cloud & Serverless apps offline

checkov - Prevent cloud misconfigurations and find vulnerabilities during build-time in infrastructure as code, container images and open source packages with Checkov by Bridgecrew.

atlantis - Terraform Pull Request Automation

spicedb - Open Source, Google Zanzibar-inspired permissions database to enable fine-grained access control for customer applications

sops - Simple and flexible tool for managing secrets