resource "aws_iam_role" "lambda_codepipeline_role" {
  name = "${var.env_namespace}_codepipeline_role"

  assume_role_policy = <<EOF
{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Effect": "Allow",
      "Principal": {
        "Service": "codepipeline.amazonaws.com"
      },
      "Action": "sts:AssumeRole"
    }
  ]
}
EOF
}

resource "aws_iam_role_policy" "lambda_codepipeline_policy" {
  name = "${var.env_namespace}_codepipeline_policy"
  role = aws_iam_role.lambda_codepipeline_role.id

  policy = <<EOF
{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Effect":"Allow",
      "Action": [
        "s3:GetObject",
        "s3:GetObjectVersion",
        "s3:GetBucketVersioning",
        "s3:PutObject"
      ],
      "Resource": [
        "${aws_s3_bucket.codepipeline_bucket.arn}",
        "${aws_s3_bucket.codepipeline_bucket.arn}/*"
      ]
    },
    {
      "Effect": "Allow",
      "Action": [
        "codebuild:*",
        "codecommit:*"
      ],
      "Resource": "*"
    }
  ]
}
EOF
}

resource "aws_iam_role" "lambda_codebuild_role" {
  name               = "${var.env_namespace}_codebuild_role"
  assume_role_policy = <<EOF
{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Effect": "Allow",
      "Principal": {
        "Service": "codebuild.amazonaws.com"
      },
      "Action": "sts:AssumeRole"
    }
  ]
}
EOF
}

resource "aws_iam_role_policy" "lambda_codebuild_role_policy" {
  role   = aws_iam_role.lambda_codebuild_role.name
  policy = <<POLICY
{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Effect": "Allow",
      "Resource": [
        "*"
      ],
      "Action": [
        "logs:CreateLogGroup",
        "logs:CreateLogStream",
        "logs:PutLogEvents",
        "sts:AssumeRole",
        "codebuild:*",
        "lambda:*",
        "iam:AddRoleToInstanceProfile",
        "iam:AttachRolePolicy",
        "iam:CreateInstanceProfile",
        "iam:CreatePolicy",
        "iam:CreateRole",
        "iam:GetRole",
        "iam:ListAttachedRolePolicies",
        "iam:ListPolicies",
        "iam:ListRolePolicies",
        "iam:ListRoles",
        "iam:PassRole",
        "iam:PutRolePolicy",
        "iam:UpdateAssumeRolePolicy",
        "iam:GetRolePolicy"

      ]
    },
    {
      "Effect": "Allow",
      "Resource": [
        "${var.ecr_repo_arn}"
      ],
      "Action": [
        "ecr:*"
      ]
    },
    {
      "Effect": "Allow",
      "Resource": [
        "*"
      ],
      "Action": [
        "ecr:GetAuthorizationToken"
      ]
    },
    {
      "Effect": "Allow",
      "Action": [
        "s3:*"
      ],
      "Resource": [
        "${aws_s3_bucket.codepipeline_bucket.arn}",
        "${aws_s3_bucket.codepipeline_bucket.arn}/*",
        "arn:aws:s3:::BUCKET_NAME",
        "arn:aws:s3:::BUCKET_NAME/*"
      ]
    }
  ]
}
POLICY
}