ansible 的打包程序配置在 aws 代码构建中失败 [英] packer provisioning by ansible fails in aws codebuild

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问题描述

我的 Codebuild 项目，它由 ansible 供应商通过打包器创建 AMI.

My Codebuild project that it creates AMI by packer by ansible provisioner.

这个打包程序在我的本地环境和 Amazon linux2 ec2 环境中设置成功.但是，当我将 AWS Codebuild 与 aws/codebuild/amazonlinux2-x86_64-standard:1.0 映像一起使用时，它失败了.

This packer settings success in my local environment and Amazon linux2 ec2 environment. However, when I use AWS Codebuild with aws/codebuild/amazonlinux2-x86_64-standard:1.0 image and it fails.

我已经尝试过此设置 remote_tmp =/tmp 或 remote_tmp =/tmp/.ansible-${USER}/tmp 但没有奏效.

I already tried this settings remote_tmp = /tmp or remote_tmp = /tmp/.ansible-${USER}/tmp but did not work.

身份验证或权限失败，对远程目录没有权限

version: 0.2

phases:
  install:
    runtime-versions:
      python: 3.7
  pre_build:
    commands:
      - python --version
      - pip --version
      - curl -qL -o packer.zip https://releases.hashicorp.com/packer/1.4.3/packer_1.4.3_linux_amd64.zip && unzip packer.zip
      - ./packer version
      - pip install --user ansible==2.8.5
      - ansible --version
      - echo 'Validate packer json'
      - ./packer validate packer.json
  build:
    commands:
      - ./packer build -color=false packer.json | tee build.log


{
    "builders": [{
        "type": "amazon-ebs",
        "region": "ap-northeast-1",
        "ami_regions": "ap-northeast-1",
        "source_ami": "ami-0ff21806645c5e492",
        "instance_type": "t2.micro",
        "ssh_username": "ec2-user",
        "ami_name": "packer-quick-start {{timestamp}}",
        "ami_description": "created by packer at {{timestamp}}",
        "ebs_optimized": false,
        "tags": {
            "OS_Version": "Amazon Linux AMI 2018.03",
            "timestamp": "{{timestamp}}",
            "isotime": "{{isotime \"2006-01-02 03:04:05\"}}"
        },
        "disable_stop_instance": false
    }],
    "provisioners": [
        {
            "type" : "ansible",
            "extra_arguments": [
                "-vvv"
            ],
            "playbook_file" : "ansible/main.yaml"
        }
    ]
}


==> amazon-ebs: Prevalidating AMI Name: packer-quick-start 1569943272 
    amazon-ebs: Found Image ID: ami-0ff21806645c5e492 
==> amazon-ebs: Creating temporary keypair: packer_5d936ee8-541f-5c9a-6955-9672526afc1a 
==> amazon-ebs: Creating temporary security group for this instance: packer_5d936ef1-6546-d9d0-60ff-2dc4c011036f 
==> amazon-ebs: Authorizing access to port 22 from [0.0.0.0/0] in the temporary security groups... 
==> amazon-ebs: Launching a source AWS instance... 
==> amazon-ebs: Adding tags to source instance 
    amazon-ebs: Adding tag: "Name": "Packer Builder" 
    amazon-ebs: Instance ID: i-04b00db56a8b3b6d0 
==> amazon-ebs: Waiting for instance (i-04b00db56a8b3b6d0) to become ready... 
==> amazon-ebs: Using ssh communicator to connect: 3.112.61.8 
==> amazon-ebs: Waiting for SSH to become available... 
==> amazon-ebs: Connected to SSH! 
==> amazon-ebs: Provisioning with Ansible... 
==> amazon-ebs: Executing Ansible: ansible-playbook --extra-vars packer_build_name=amazon-ebs packer_builder_type=amazon-ebs -o IdentitiesOnly=yes -i /tmp/packer-provisioner-ansible244097143 /codebuild/output/src965785042/src/github.com/repoUsername/reponame/ansible/main.yaml -e ansible_ssh_private_key_file=/tmp/ansible-key242793848 -vvv 
    amazon-ebs: ansible-playbook 2.8.5 
    amazon-ebs:   config file = /codebuild/output/src965785042/src/github.com/repoUsername/reponame/ansible.cfg 
    amazon-ebs:   configured module search path = ['/root/.ansible/plugins/modules', '/usr/share/ansible/plugins/modules'] 
    amazon-ebs:   ansible python module location = /root/.local/lib/python3.7/site-packages/ansible 
    amazon-ebs:   executable location = /root/.local/bin/ansible-playbook 
    amazon-ebs:   python version = 3.7.4 (default, Sep 20 2019, 22:55:10) [GCC 7.3.1 20180303 (Red Hat 7.3.1-5)] 
    amazon-ebs: Using /codebuild/output/src965785042/src/github.com/repoUsername/reponame/ansible.cfg as config file 
    amazon-ebs: host_list declined parsing /tmp/packer-provisioner-ansible244097143 as it did not pass it's verify_file() method 
    amazon-ebs: script declined parsing /tmp/packer-provisioner-ansible244097143 as it did not pass it's verify_file() method 
    amazon-ebs: auto declined parsing /tmp/packer-provisioner-ansible244097143 as it did not pass it's verify_file() method 
    amazon-ebs: Parsed /tmp/packer-provisioner-ansible244097143 inventory source with ini plugin 
    amazon-ebs: 
    amazon-ebs: PLAYBOOK: main.yaml ************************************************************ 
    amazon-ebs: 1 plays in /codebuild/output/src965785042/src/github.com/repoUsername/reponame/ansible/main.yaml 
    amazon-ebs: 
    amazon-ebs: PLAY [all] ********************************************************************* 
    amazon-ebs: META: ran handlers 
    amazon-ebs: 
    amazon-ebs: TASK [be sure httpd is installed] ********************************************** 
    amazon-ebs: task path: /codebuild/output/src965785042/src/github.com/repoUsername/reponame/ansible/main.yaml:6 
    amazon-ebs: <127.0.0.1> ESTABLISH SSH CONNECTION FOR USER: root 
    amazon-ebs: <127.0.0.1> SSH: EXEC ssh -C -o ControlMaster=auto -o ControlPersist=60s -o StrictHostKeyChecking=no -o Port=35595 -o 'IdentityFile="/tmp/ansible-key242793848"' -o KbdInteractiveAuthentication=no -o PreferredAuthentications=gssapi-with-mic,gssapi-keyex,hostbased,publickey -o PasswordAuthentication=no -o 'User="root"' -o ConnectTimeout=10 -o ControlPath=/root/.ansible/cp/02aaab1733 127.0.0.1 '/bin/sh -c '"'"'echo ~root && sleep 0'"'"'' 
    amazon-ebs: <127.0.0.1> (0, b'/root\n', b"Warning: Permanently added '[127.0.0.1]:35595' (RSA) to the list of known hosts.\r\n") 
    amazon-ebs: <127.0.0.1> ESTABLISH SSH CONNECTION FOR USER: root 
    amazon-ebs: <127.0.0.1> SSH: EXEC ssh -C -o ControlMaster=auto -o ControlPersist=60s -o StrictHostKeyChecking=no -o Port=35595 -o 'IdentityFile="/tmp/ansible-key242793848"' -o KbdInteractiveAuthentication=no -o PreferredAuthentications=gssapi-with-mic,gssapi-keyex,hostbased,publickey -o PasswordAuthentication=no -o 'User="root"' -o ConnectTimeout=10 -o ControlPath=/root/.ansible/cp/02aaab1733 127.0.0.1 '/bin/sh -c '"'"'( umask 77 && mkdir -p "` echo /root/.ansible/tmp/ansible-tmp-1569943320.4544108-49329379039882 `" && echo ansible-tmp-1569943320.4544108-49329379039882="` echo /root/.ansible/tmp/ansible-tmp-1569943320.4544108-49329379039882 `" ) && sleep 0'"'"'' 
    amazon-ebs: <127.0.0.1> (1, b'', b'mkdir: cannot create directory \xe2\x80\x98/root\xe2\x80\x99: Permission denied\n') 
    amazon-ebs: <127.0.0.1> Failed to connect to the host via ssh: mkdir: cannot create directory ‘/root’: Permission denied 
    amazon-ebs: fatal: [default]: UNREACHABLE! => { 
    amazon-ebs:     "changed": false, 
    amazon-ebs:     "msg": "Authentication or permission failure. In some cases, you may have been able to authenticate and did not have permissions on the target directory. Consider changing the remote tmp path in ansible.cfg to a path rooted in \"/tmp\". Failed command was: ( umask 77 && mkdir -p \"` echo /root/.ansible/tmp/ansible-tmp-1569943320.4544108-49329379039882 `\" && echo ansible-tmp-1569943320.4544108-49329379039882=\"` echo /root/.ansible/tmp/ansible-tmp-1569943320.4544108-49329379039882 `\" ), exited with result 1", 
    amazon-ebs:     "unreachable": true 
    amazon-ebs: } 
    amazon-ebs: 
    amazon-ebs: PLAY RECAP ********************************************************************* 
    amazon-ebs: default                    : ok=0    changed=0    unreachable=1    failed=0    skipped=0    rescued=0    ignored=0 
    amazon-ebs: 
==> amazon-ebs: Terminating the source AWS instance... 
==> amazon-ebs: Cleaning up any extra volumes... 
==> amazon-ebs: No volumes to clean up, skipping 
==> amazon-ebs: Deleting temporary security group... 
==> amazon-ebs: Deleting temporary keypair...

我知道它失败了，因为它尝试了 mkdir/root 和 Permission denied.但不知道为什么它试图 mkdir/root.我该如何改变这种行为?

I know it fails because it tried to mkdir /root and Permission denied. But don't know why it tried to mkdir /root. How can I change this behavior?

推荐答案

我解决了，原因非常简单.由于 AWS Codebuild 由 root 用户构建，ansible 由 root 用户建立连接.我就是这样写的，解决了.

I solved and it was super simple cause. Because AWS Codebuild builds by the root user, ansible makes a connection by the root user. I just wrote like this and solved it.

    "provisioners": [
        {
            "type" : "ansible",
            "user": "ec2-user",
            "playbook_file" : "ansible/main.yaml"
        }
    ]

我的 ansible 文件易于测试.

My ansible file is simple for testing.

---
- hosts: all
  become: yes
  gather_facts: no
  tasks:
    - name: be sure httpd is installed
      yum: name=httpd state=installed
    - name: be sure httpd is running and enabled
      service: name=httpd state=started enabled=yes

这篇关于ansible 的打包程序配置在 aws 代码构建中失败的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！

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