这个剧本似乎是通过 SSH 连接到我的本地机器而不是远程机器上。这个条件是根据我在底部包含的输出来猜测的。

我从这里改编了这个例子:http://docs.ansible.com/ansible/guide_aws.html#provisioning

该剧本分为两个剧本:

# Create instance 
- hosts: 127.0.0.1 
  connection: local 
  gather_facts: false 
  vars: 
    project_name: my-test 
  tasks: 
    - name: Get the current username 
      local_action: command whoami 
      register: username_on_the_host 
 
    - name: Capture current instances 
      ec2_remote_facts: 
        region: "us-west-2" 
      register: ec2_instances 
 
    - name: Create instance 
      ec2: 
        region: "us-west-2" 
        zone: "us-west-2c" 
        keypair: "{{ project_name }}" 
        group: 
          - "SSH only" 
        instance_type: "t2.nano" 
        image: "ami-59799439"  # debian:jessie amd64 hvm on us-west 2 
        count_tag: "{{ project_name }}-{{ username_on_the_host.stdout }}-test" 
        exact_count: 1 
        wait: yes 
        instance_tags: 
          Name: "{{ project_name }}-{{ username_on_the_host.stdout }}-test" 
          "{{ project_name }}-{{ username_on_the_host.stdout }}-test": simple_ec2 
          Creator: "{{ username_on_the_host.stdout }}" 
      register: ec2_info 
 
    - name: Wait for instances to listen on port 22 
      wait_for: 
        state: started 
        host: "{{ item.public_dns_name }}" 
        port: 22 
      with_items: "{{ ec2_info.instances }}" 
      when: ec2_info|changed 
 
    - name: Add new instance to launched group 
      add_host: 
        hostname: "{{ item.public_dns_name }}" 
        groupname: launched 
      with_items: "{{ ec2_info.instances }}" 
      when: ec2_info|changed 
 
    - name: Get ec2_info information 
      debug: 
        msg: "{{ ec2_info }}" 
 
# Configure and install all we need 
- hosts: launched 
  remote_user: admin 
  gather_facts: true 
  tasks: 
    - name: Display all variables/facts known for a host 
      debug: 
        var: hostvars[inventory_hostname] 
 
    - name: List hosts 
      debug: msg="groups={{groups}}" 
 
    - name: Get current user 
      command: whoami 
 
    - name: Prepare system 
      become: yes 
      become_method: sudo 
      apt: "name={{item}} state=latest" 
      with_items: 
        - software-properties-common 
        - python-software-properties 
        - devscripts 
        - build-essential 
        - libffi-dev 
        - libssl-dev 
        - vim 

TASK [Get current user] ******************************************************** 
changed: [ec2-35-167-142-43.us-west-2.compute.amazonaws.com] => {"changed": true, "cmd": ["whoami"], "delta": "0:00:00.006532", "end": "2017-01-09 14:53:55.806000", "rc": 0, "start": "2017-01-09 14:53:55.799468", "stderr": "", "stdout": "brianbruggeman", "stdout_lines": ["brianbruggeman"], "warnings": []} 
 
TASK [Prepare system] ********************************************************** 
failed: [ec2-35-167-142-43.us-west-2.compute.amazonaws.com] (item=['software-properties-common', 'python-software-properties', 'devscripts', 'build-essential', 'libffi-dev', 'libssl-dev', 'vim']) => {"failed": true, "item": ["software-properties-common", "python-software-properties", "devscripts", "build-essential", "libffi-dev", "libssl-dev", "vim"], "module_stderr": "sudo: a password is required\n", "module_stdout": "", "msg": "MODULE FAILURE"} 

请您参考如下方法:

这应该有效。

- name: Create Ec2 Instances 
  hosts: localhost 
  connection: local 
  gather_facts: False 
 
  vars: 
    project_name: device-graph 
    ami_id: ami-59799439  # debian jessie 64-bit hvm 
    region: us-west-2 
    zone: "us-west-2c" 
    instance_size: "t2.nano" 
 
  tasks: 
    - name: Provision a set of instances 
      ec2: 
        key_name: my_key 
        group: ["SSH only"] 
        instance_type: "{{ instance_size }}" 
        image: "{{ ami_id }}" 
        wait: true 
        exact_count: 1 
        count_tag: 
          Name: "{{ project_name }}-{{ username.stdout }}-test" 
          Creator: "{{ username.stdout }}" 
          Project: "{{ project_name }}" 
        instance_tags: 
          Name: "{{ project_name }}-{{ username.stdout }}-test" 
          Creator: "{{ username.stdout }}" 
          Project: "{{ project_name }}" 
      register: ec2 
 
    - name: Add all instance public IPs to host group 
      add_host: 
        hostname: "{{ item.public_ip }}" 
        groups: launched_ec2_hosts 
      with_items: "{{ ec2.tagged_instances }}" 
 
 
- name: configuration play 
  hosts: launched_ec2_hosts 
  user: admin 
  gather_facts: true 
 
  vars: 
    ansible_ssh_private_key_file: "~/.ssh/project-name.pem" 
 
  tasks: 
    - name: get the username running the deploy 
      shell: whoami 
      register: username