错误而ECS执行用户数据优化的实例

我在userDataproperty的LaunchConfiguration资源的把这个userData，我跟着这个AWS Doc的步骤，这里是脚本：错误而ECS执行用户数据优化的实例

 "UserData":{ "Fn::Base64" : { 
     "Fn::Join" : ["", [ 
      "#!/bin/bash -xv\n", 
      "yum -y install aws-cfn-bootstrap\n", 
      "/opt/aws/bin/cfn-init -v", 
      "   --stack ", { "Ref": "AWS::StackName" }, 
      "   --resource LaunchConfig", 
      "   --region ", { "Ref" : "AWS::Region" },"\n", 
      "yum -y install awslogs jq\n", 
      "# Inject the CloudWatch Logs configuration file contents\n", 
      "cat > /etc/awslogs/awslogs.conf <<- EOF\n", 
      "[general]\n", 
      "state_file = /var/lib/awslogs/agent-state\n\n", 

      "[/var/log/dmesg]\n", 
      "file = /var/log/dmesg\n", 
      "log_group_name = /var/log/dmesg\n", 
      "log_stream_name = {cluster}/{container_instance_id}\n\n", 

      "[/var/log/messages]\n", 
      "file = /var/log/messages\n", 
      "log_group_name = /var/log/messages\n", 
      "log_stream_name = {cluster}/{container_instance_id}\n", 
      "datetime_format = %b %d %H:%M:%S\n\n", 

      "[/var/log/docker]\n", 
      "file = /var/log/docker\n", 
      "log_group_name = /var/log/docker\n", 
      "log_stream_name = {cluster}/{container_instance_id}\n", 
      "datetime_format = %Y-%m-%dT%H:%M:%S.%f\n\n", 

      "[/var/log/ecs/ecs-init.log]\n", 
      "file = /var/log/ecs/ecs-init.log.*\n", 
      "log_group_name = /var/log/ecs/ecs-init.log\n", 
      "log_stream_name = {cluster}/{container_instance_id}\n", 
      "datetime_format = %Y-%m-%dT%H:%M:%SZ\n\n", 

      "[/var/log/ecs/ecs-agent.log]\n", 
      "file = /var/log/ecs/ecs-agent.log.*\n", 
      "log_group_name = /var/log/ecs/ecs-agent.log\n", 
      "log_stream_name = {cluster}/{container_instance_id}\n", 
      "datetime_format = %Y-%m-%dT%H:%M:%SZ\n\n", 

      "[/var/log/ecs/audit.log]\n", 
      "file = /var/log/ecs/audit.log.*\n", 
      "log_group_name = /var/log/ecs/audit.log\n", 
      "log_stream_name = {cluster}/{container_instance_id}\n", 
      "datetime_format = %Y-%m-%dT%H:%M:%SZ\n\n", 

      "EOF\n", 
      "# Set the region to send CloudWatch Logs data to (the region where the container instance is located)\n", 
      "sed -i -e \"s/region = us-east-1/region = $(curl http://169.254.169.254/latest/meta-data/placement/availability-zone | sed s'/.$//')/g\" /etc/awslogs/awscli.conf\n", 
      "# Grab the cluster and container instance ARN from instance metadata\n", 
      "# Replace the cluster name and container instance ID placeholders with the actual values\n", 
      "sed -i -e \"s/{cluster}/$(curl -s http://localhost:51678/v1/metadata | jq -r '. | .Cluster')/g\" /etc/awslogs/awslogs.conf\n", 
      "sed -i -e \"s/{container_instance_id}/$(curl -s http://localhost:51678/v1/metadata | jq -r '. | .ContainerInstanceArn' | awk -F/ '{print $2}')/g\" /etc/awslogs/awslogs.conf\n", 
      "service awslogs start\n", 
      "chkconfig awslogs on\n" 
     ]]}

一切工作正常时，文件/var/log/cloud-init-output.log没有给出任何错误，但有一两件事是没有得到很好的执行：在脚本中，我们有我们用来替换3个sed命令：

的region文件/etc/awslogs/awscli.conf
的clustername在文件/etc/awslogs/awslogs.conf
在同一个文件中container_instance_id英寸

的区域被替换没有问题，但近两年的人没有得到更换，当我检查的文件，我得到的，而不是{cluster}和{container_instance_id}

空间这有什么错的语法在脚本中？我在终端直接尝试了相同的命令，它们工作正常。任何帮助真的很感激。谢谢。

来源

2017-02-17 Somar

您是否尝试过逃避'字？（\'） – spg

@ Simon-Pierre我需要使用逃避角色？ – Somar

我试图逃避单引号，但我得到了错误：'q：错误：语法错误，意外的'/'，期待$尾（Unix shell引用问题？）在，第1行： /。 | .ContainerInstanceArn /'和'jq：error：语法错误，意外的'/'，期望在，第一行： /处有$ end（Unix shell引用问题？ | .Cluster /' – Somar

如果你将它移动到:: Init和创建一个文件，并为它命令你可能会得到更好的反馈

来源

2017-02-18 19:55:34

试过了，它不起作用。 – Somar

错误而ECS执行用户数据优化的实例

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