ansible setup

Development CMDB, in addition to record the server's account password, but also need to record the server hardware and software information, if the use of manual records, if the server is large, the workload is relatively large, so I need to be able to automatically obtain this information method, I used the ansible to get, Ansible with the Setup module, you can

Requirements:Batch Modify the server's account (assuming root account) password, with a randomly generated string to do the password Environment:Assume that the target group for the server in the/etc/ansible/hosts file is as follows [Target-servers] 192.168.0.[1:100] Perform Actions 1 generate random strings for candidate password characters on each remote server using the OpenSSL rand command Ansible tar

is included using a more verbose format thatallows us to pass variables to the role:---- name: Setup servers for website1.example.comhosts: website1roles:- common- apache- { role: website1, port: 80 }For the role named common , Ansible will then try to load roles/common/tasks/main.yml as a task include, roles/common/handlers/main.yml as a handlerinclude, and roles/common/vars/main.yml as a variable file in

Ansible @ an efficient configuration management tool-Ansible configure management-translation (5), ansible-ansibleDo not reprint advanced Playbook without written permission Extra variablesYou may have seen in our template example in the previous chapter that we used avariable called group_names . This is one of the magic variables that are provided byAnsible it

Ansible @ an efficient configuration management tool-Ansible configure management-translation (10), ansible-ansibleNo written permission. Do not reprint it Custom ModulesUntil now we have been working solely with the tools provided to us by Ansible.This does afford us a lot of power, and make many things possible. However, if youhave something particularly compl

Ansible @ an efficient configuration management tool-Ansible configure management-translation (4), ansible-ansibleDo not reprint without written permission Due to the long content in Chapter 3, I will divide it into several parts for translation. Advanced PlaybooksSo far the playbooks that we have looked at are simple and just run a number ofmodules in order.

: indicates that the key storage path is $ {USER}/. ssh/id_dsa. 6> copy the public key on 250 to the controlled client. # Ssh-copy-id-I ~ /. Ssh/id_rsa.pub root@192.168.1.251Option-I: Specify the Public Key File # Try to log on without a password in ssh 192.168.1.6.2 7> 250 basic ANSIBEL Test # Ansible storm_cluster-m command-a 'uptime' Note: during the first running, you need to enter "yes" for public key verification. You do not need to enter it a

copy out the new keys, instantlyskipping anything else.This is particularly useful if you have a playbook with playbook includes in it thatcovers your whole infrastructure. With this setup, you can quickly deploy securitypatches, change passwords, and revoke keys across your entire infrastructure asquickly as possible.Tagging tasks is really easy; simply add a key named tag , and set its value to a list ofthe tags you want to give it. The following c

feature:---#1- name: Install an Apache config file#2hosts: ansibletest#3user: root#4tasks:#5- name: Get the best match for the machine#6copy: dest=/etc/apache.conf src={{ item }}#7first_available_file:#8- files/apache/{{ ansible_os_family }}-{{ansible_architecture }}.cfg#9- files/apache/default-{{ ansible_architecture }}.cfg- files/apache/default.cfg#11Remember that you can run the setup module from the Ansiblecommand-line tool. This comes in handy w

Playbooks method (2nd chapter will explain). Ansible returns a clear indication of whether the operation was successful, whether there was a change, and the error message when it failed.The ansible task is usually performed in a playbooks manner, and in rare cases it is run in command-line mode. In the past, we used the ping module of ansible to check if the "Co

???? Yum-y install ansibleCompile and install:?? Yum-y install python-jinja2 pyyaml Python-paramiko Python-Babel Python-Crypto?? Tar xf ansible-1.5.4.tar.gz?? CD ansible-1.5.4?? Python setup. py build?? Python setup. py install?? Mkdir/etc/ansible?? CP-r examples/*/etc/ansib

cron -a ‘minute=*/3 job="/usr/sbin/update 192.168.1.200 >/dev/null" name=updatetime state=present‘192.168.1.210 | SUCCESS => { "changed": true, "envs": [], "jobs": [ "updatetime" ]}[[emailprotected] ~]# crontab -l#Ansible: updatetime*/3 * * * * /usr/sbin/update 192.168.1.200 >/dev/nullDelete only see name? Do not accidentally delete[[emailprotected] ~]# ansible all -m cron -a ‘minute=*/3

of the functionality implemented by the playbook, which prints the value of the name variable, which can be omitted, and the gather_facts parameter specifies whether to execute the Setup module to obtain host-related information before executing the following task section. This is used when the subsequent task uses the information obtained by the setup, the VARs parameter specifies a variable, a user varia

60 seconds, the default 15 secondsansible all -B 1800 -P 60 -a "/usr/bin/long_running_operation --do-stuff"(45) View system information for a host computeransible 192.168.2.205 -m setupNote: These system information variables can be called directly inside the playbook(46) View the date and time information for a single hostansible 192.168.2.205 -m setup -a ‘filter=ansible_date_time‘(47) To view memory-related information for a single hostansible 192.

handlers task, 6-I inventory: Specifies the inventory file to be read, 7 -- list-tags: lists all available tags, 8 -- list-tasks: list all tasks to be executed; 9 -- skip-tags = skip_tags: Skip the specified tags task; 10 -- start-at-task = start_at_task: Start from the number of tasks; 11 -- step: gradually execute the definition of playbook After manual confirmation, run the next task. 12 -- syntax-check: Check the syntax in the playbook. 13-T tags, -- tags = tags: Specify the task for execut

rather than running rpm. If you need to usecommand because yum, dnf or zypper is insufficient you can add warn=False to this command task or setcommand_warnings=False in ansible.cfg to get rid of this message.192.168.154.133 | CHANGED | rc=0 >>zsh-5.0.2-28.el7.x86_642 · Uninstalling the ZSH Package[[emailprotected] ~]# ansible mysql -m yum -a ‘name=zsh state=absent‘192.168.154.133 | CHANGED => { "ansible_facts": { "pkg_mgr": "yum" },

used to specify the script.# ansible-doc -s script //查看script模块信息编辑一个本地脚本test.sh，复制到被管理主机上运行。# vim test.sh #!/bin/bash echo "this is test script" > /opt/test.txt chmod 666 /opt/test.txt# chmod +x test.sh # ansible node3 -m script -a ‘test.sh‘ //执行脚本The 12.setup module setup module is used to collect and view the

, templates, and vars directories in the created role directory. If you do not need them temporarily, ansible will ignore them. In playbook, add? Roleskeyword, whose value is the list of hosts that you want this role to apply. For example, if you have common, Apache, website1, and website2 roles, your directory should be like the following example. Site, yml is used to configure the entire website, webservers1, yml, and webservers2.yml are respe

= mode= '[root@localhosttmp]# ansible web-m copy-a ' src=/etc/yum.repos.d/aliyun.repodest=/etc/yum.repos.d/' 8) Template -A ' dest= src=\ ' #\ ' content= owner= group= ' 9) Yum: -A ' name= conf_file= (indicates configuration file) state={present|latest|absent} enablerepo= disablerepo= '[Root@localhost ~]# ansible all-m yum ' name=httpd state=present ' ) Service: -A ' name= state={started|stopped|resta

Directory Handlers Playbook Case 2 handlers VARs variable Setup Facts Variable Usage Case Defining variables in Inventory Case Condition test When statement Case Handlers Follow up on an article Ansible playbooks introduction and use a continuation note Used to take certain