我有一个terraform,从yaml文件在AWS上创建一个堆栈。
我的资源“aws_cloudformation_stack”“gitlab-runner”具有以下参数:
Token = "GAdt_YVHgcp5QM_Nms65"
IAMRoleName = "${module.gitlab-iam.iam_role_name}"
我的yaml文件有以下声明:
Parameters:
GitLabRunnerToken:
Description: >-
Registration token for GitLab Runner. Registration token must contain
exactly 20 alphanumeric characters
AllowedPattern: '^[-_a-zA-Z0-9]*$'
Type: String
MinLength: '20'
MaxLength: '20'
NoEcho: true
Resources:
...
LaunchConfiguration:
Type: AWS::AutoScaling::LaunchConfiguration
Properties:
ImageId: !FindInMap [AWSRegionToAMI, !Ref 'AWS::Region', AMIID]
SecurityGroups:
- !Ref SecurityGroup
InstanceType: !Ref InstanceType
IamInstanceProfile: !Ref GitlabRunnerInstanceProfile
KeyName: !Ref KeyName
BlockDeviceMappings:
- DeviceName: /dev/xvdb
Ebs:
VolumeSize: !Ref 'VolumeSize'
VolumeType: !Ref 'VolumeType'
DeleteOnTermination: !Ref 'DeleteOnTermination'
UserData:
Fn::Base64: !Sub |
#!/bin/bash -xe
docker run --rm -t -i -v /srv/gitlab-runner/config:/etc/gitlab-runner gitlab/gitlab-runner register \
--non-interactive \
--executor "docker" \
--docker-image alpine:3 \
--url "https://gitlab.affinitas.de" \
--registration-token ${GitLabRunnerToken} \
--description "docker-runner" \
--tag-list "docker,aws" \
--run-untagged \
--locked="false"
我无法获取参数GitLabRunnerToken的值并注入UserData:Base64:!Sub |
我收到以下错误:
<template_file>:160,34-51: Unknown variable; There is no variable named "GitLabRunnerToken".
我尝试使用以下方法获取值:
1. ${GitLabRunnerToken}
2. Ref: "GitLabRunnerToken"
3. !Ref: "GitLabRunnerToken"
4. !ImportValue "GitLabRunnerToken"
但我仍然无法获取并传递我的UserData,LaunchConfiguration的值。
有什么线索吗?
谢谢。
这是因为你使用$ {variable}格式。您可以通过这种方式将变量传递给cloud-init / userdata脚本。 Terraform愚蠢地用vars
的template_file
部分中的值取代任何“$ {something}”。失去{},你会没事的。