Coder.comC
Coder.com•17mo ago•
6 replies
JustATempest

aws_ecr_repository auth error on EC2 envbuilder

resource "aws_ecr_repository" "cache_repo" {
  name = "coder-${data.coder_workspace.me.id}-${data.coder_workspace.me.name}-cache"
  tags = {
      Coder_Provisioned = "true"
  }
}

output "cache_repo_url" {
  value = aws_ecr_repository.cache_repo.repository_url
}

locals {
 ...
  #!/bin/bash
  # Install Docker
  if ! command -v docker &> /dev/null
  then
    echo "Docker not found, installing..."
    curl -fsSL https://get.docker.com -o get-docker.sh && sh get-docker.sh 2>&1 >/dev/null
    usermod -aG docker ${local.linux_user}
    newgrp docker
  else
    echo "Docker is already installed."
  fi

  # Authenticate Docker to ECR
  aws ecr get-login-password --region ${module.aws_region.value} | docker login --username AWS --password-stdin ${cache_repo_url}

  # Encode the Docker config to base64
  DOCKER_CONFIG_BASE64=$(base64 -w0 /home/${local.linux_user}/.docker/config.json)

  # Start envbuilder
  docker run --rm \
    -h ${lower(data.coder_workspace.me.name)} \
    -v /home/${local.linux_user}/envbuilder:/workspaces \
    -e CODER_AGENT_TOKEN="${try(coder_agent.dev[0].token, "")}" \
    -e CODER_AGENT_URL="${data.coder_workspace.me.access_url}" \
    -e GIT_URL="${data.coder_parameter.repo_url.value}" \
    -e INIT_SCRIPT="echo ${base64encode(try(coder_agent.dev[0].init_script, ""))} | base64 -d | sh" \
    -e FALLBACK_IMAGE="codercom/enterprise-base:ubuntu" \
    -e ENVBUILDER_CACHE_REPO="${cache_repo_url}" \
    -e ENVBUILDER_PUSH_IMAGE=1 \
    -e ENVBUILDER_DOCKER_CONFIG_BASE64="$DOCKER_CONFIG_BASE64" \
    ghcr.io/coder/envbuilder
  --//--
  EOT
}


Getting 401 error on cache_repo_url push and pull
Solution
resource "aws_ecr_repository" "cache_repo" {
  name = "coder-${data.coder_workspace.me.id}-${data.coder_workspace.me.name}-cache"
  tags = {
      Coder_Provisioned = "true"
  }
}

data "aws_ecr_authorization_token" "envbuilder_cache" {}

locals {
  ...
  dockerconfig_json = jsonencode({
    "auths" = {
      "${aws_ecr_repository.cache_repo.repository_url}" = {
        "auth" = data.aws_ecr_authorization_token.envbuilder_cache.authorization_token
      }
    }
  })

  envbuilder_env = {
    "CODER_AGENT_TOKEN"               = try(coder_agent.dev[0].token, "")
    "CODER_AGENT_URL"                 = data.coder_workspace.me.access_url
    "GIT_URL"                         = data.coder_parameter.repo_url.value
    "FALLBACK_IMAGE"                  = "codercom/enterprise-base:ubuntu"
    "ENVBUILDER_CACHE_REPO"           = aws_ecr_repository.cache_repo.repository_url
    "ENVBUILDER_PUSH_IMAGE"           = 1
    "AWS_SDK_LOAD_CONFIG"             = true
    "ENVBUILDER_DOCKER_CONFIG_BASE64" = base64encode(local.dockerconfig_json)
  }

  docker_env = [
    for k, v in local.envbuilder_env : "${k}=${v}"
  ]

  user_data  = <<-EOT
  ... 
  
  # Create the necessary environment variables
  ENV_VARS=$(
    echo "${join(" ", [for k, v in local.envbuilder_env : "-e ${k}=${v}"])}"
  )

  # Start envbuilder
  docker run --rm \
    -h ${lower(data.coder_workspace.me.name)} \
    -v /home/${local.linux_user}/envbuilder:/workspaces \
    -e INIT_SCRIPT="echo ${base64encode(try(coder_agent.dev[0].init_script, ""))} | base64 -d | sh" \
    $ENV_VARS \
    ghcr.io/coder/envbuilder

  ...
  EOT
}
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