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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,11 @@ | ||
| DRY_RUN := true | ||
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| .PHONY: build | ||
| build: | ||
| PKR_VAR_dry_run=${DRY_RUN} PKR_VAR_install_docker=true \ | ||
| packer build ./ami.pkr.hcl | ||
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| .PHONY: build-no-docker | ||
| build-no-docker: | ||
| PKR_VAR_dry_run=${DRY_RUN} PKR_VAR_install_docker=false \ | ||
| packer build ./ami.pkr.hcl |
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| packer { | ||
| required_version = ">= 1.8.0" | ||
| } | ||
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| locals { | ||
| timestamp = regex_replace(timestamp(), "[- TZ:]", "") | ||
| ami_prefix = "nomad-${var.nomad_version}" | ||
| } | ||
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| variable "aws_region" { | ||
| type = string | ||
| default = "ap-south-1" | ||
| } | ||
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| variable "dry_run" { | ||
| type = bool | ||
| default = true | ||
| } | ||
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| variable "nomad_version" { | ||
| type = string | ||
| default = "1.5.3" | ||
| } | ||
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| variable "install_docker" { | ||
| type = bool | ||
| default = false | ||
| } | ||
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| // Get the most recent Ubuntu AMI ID. | ||
| data "amazon-ami" "autogenerated_1" { | ||
| filters = { | ||
| architecture = "x86_64" | ||
| "block-device-mapping.volume-type" = "gp2" | ||
| name = "ubuntu/images/hvm-ssd/ubuntu-jammy-22.04-amd64-server-*" | ||
| root-device-type = "ebs" | ||
| virtualization-type = "hvm" | ||
| } | ||
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| most_recent = true | ||
| owners = ["099720109477"] | ||
| region = var.aws_region | ||
| } | ||
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| source "amazon-ebs" "nomad" { | ||
| skip_create_ami = var.dry_run | ||
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| # https://github.com/hashicorp/packer/issues/11656#issuecomment-1106564406 | ||
| temporary_key_pair_type = "ed25519" | ||
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| ami_description = "AMI for Nomad agents based on Ubuntu" | ||
| ami_name = var.install_docker ? "${local.ami_prefix}-docker-${local.timestamp}" : "${local.ami_prefix}-${local.timestamp}" | ||
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| instance_type = "t2.micro" | ||
| shutdown_behavior = "terminate" | ||
| force_deregister = true | ||
| force_delete_snapshot = true | ||
| tags = { | ||
| nomad_version = var.nomad_version | ||
| source_ami_id = "{{ .SourceAMI }}" | ||
| source_ami_name = "{{ .SourceAMIName }}" | ||
| Name = var.install_docker ? "${local.ami_prefix}-docker" : "${local.ami_prefix}" | ||
| } | ||
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| region = var.aws_region | ||
| source_ami = data.amazon-ami.autogenerated_1.id | ||
| ssh_username = "ubuntu" | ||
| } | ||
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| build { | ||
| sources = ["source.amazon-ebs.nomad"] | ||
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| // wait for sometime for instance to properly initialise. | ||
| provisioner "shell" { | ||
| inline = ["sleep 15"] | ||
| } | ||
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| provisioner "shell" { | ||
| environment_vars = ["NOMAD_VERSION=${var.nomad_version}", "INSTALL_DOCKER=${var.install_docker}"] | ||
| script = "./setup.sh" | ||
| } | ||
| } |
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| #!/bin/bash | ||
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| set -e | ||
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| # Disable interactive apt prompts | ||
| export DEBIAN_FRONTEND=noninteractive | ||
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| NOMAD_VERSION="${NOMAD_VERSION:-1.5.3}" | ||
| CNI_VERSION="${CNI_VERSION:-v1.2.0}" | ||
| INSTALL_DOCKER="${INSTALL_DOCKER:-false}" | ||
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| # Update packages | ||
| sudo apt-get -y update | ||
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| # Install software-properties-common | ||
| sudo apt-get install -y software-properties-common | ||
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| # Add HashiCorp GPG key | ||
| curl -fsSL https://apt.releases.hashicorp.com/gpg | sudo apt-key add - | ||
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| # Add HashiCorp repository | ||
| sudo apt-add-repository "deb [arch=amd64] https://apt.releases.hashicorp.com $(lsb_release -cs) main" | ||
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| # Update packages again | ||
| sudo apt-get -y update | ||
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| # Install Nomad | ||
| sudo apt-get install -y nomad=${NOMAD_VERSION}-1 | ||
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| # Download and install CNI plugins | ||
| curl -L -o cni-plugins.tgz "https://github.com/containernetworking/plugins/releases/download/${CNI_VERSION}/cni-plugins-linux-$( [ $(uname -m) = aarch64 ] && echo arm64 || echo amd64)"-"${CNI_VERSION}".tgz && \ | ||
| sudo mkdir -p /opt/cni/bin && \ | ||
| sudo tar -C /opt/cni/bin -xzf cni-plugins.tgz | ||
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| # Stop and disable Nomad service | ||
| sudo systemctl stop nomad | ||
| sudo systemctl disable nomad | ||
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| # Install Docker if INSTALL_DOCKER is true | ||
| if [ "$INSTALL_DOCKER" = true ]; then | ||
| sudo apt-get -y update | ||
| sudo apt-get -y install \ | ||
| ca-certificates \ | ||
| curl \ | ||
| gnupg | ||
| sudo install -m 0755 -d /etc/apt/keyrings | ||
| curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg | ||
| sudo chmod a+r /etc/apt/keyrings/docker.gpg | ||
| echo \ | ||
| "deb [arch="$(dpkg --print-architecture)" signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu \ | ||
| "$(. /etc/os-release && echo "$VERSION_CODENAME")" stable" | \ | ||
| sudo tee /etc/apt/sources.list.d/docker.list > /dev/null | ||
| sudo apt-get -y update | ||
| sudo apt-get -y install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin | ||
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| # Create daemon.json if it doesn't exist | ||
| if [ ! -f /etc/docker/daemon.json ]; then | ||
| sudo touch /etc/docker/daemon.json | ||
| fi | ||
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| # Add configuration to daemon.json | ||
| echo '{ | ||
| "log-driver": "json-file", | ||
| "log-opts": { | ||
| "max-size": "10m", | ||
| "max-file": "10" | ||
| } | ||
| }' | sudo tee /etc/docker/daemon.json >/dev/null | ||
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| # Restart Docker | ||
| sudo systemctl restart docker | ||
| sudo usermod -aG docker ubuntu | ||
| fi |