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DO447管理清单--章节实验


DO447管理清单–章节实验

RHCSA专栏:戏说 RHCSA 认证

RHCE专栏:戏说 RHCE 认证

此文章(第二章 管理清单–章节实验 )收录在RHCA专栏:RHCA 回忆录

文章目录

    • DO447管理清单--章节实验
        • 📑拉取实验代码
        • 📑运行剧本并验证
        • 📑按要求创建主机组变量
        • 📑运行剧本并验证
        • 📑提交修改到工作区
        • 📑编写yaml清单文件并测试执行
        • 📑改写为变量识别主机并测试运行
        • 📑提交修改后的代码项目
        • 📑评测与清除实验
    • 💡总结

[student@workstation ~]$ lab inventory-review start

📑拉取实验代码

[student@workstation ~]$ cd git-repos/[student@workstation git-repos]$ git clone http://git.lab.example.com:8081/git/inventory-review.gitCloning into 'inventory-review'...remote: Enumerating objects: 56, done.remote: Counting objects: 100% (56/56), done.remote: Compressing objects: 100% (42/42), done.remote: Total 56 (delta 5), reused 0 (delta 0)Unpacking objects: 100% (56/56), done.[student@workstation git-repos]$ cd inventory-review

📑运行剧本并验证

[student@workstation inventory-review]$ cat inventory [lb_servers]servera.lab.example.com[web_servers][web_servers:children]a_web_serversb_web_servers# Group "A" of Web Servers[a_web_servers]serverb.lab.example.com# Group "B" of Web Servers[b_web_servers]serverc.lab.example.com[student@workstation inventory-review]$ ansible-playbook site.yml[student@workstation inventory-review]$ curl http://serveraHello from serverb.lab.example.com. (version v1.1)[student@workstation inventory-review]$ curl http://serveraHello from serverc.lab.example.com. (version v1.1)

📑按要求创建主机组变量

[student@workstation inventory-review]$ mkdir -pv group_vars/{a,b}_web_serversmkdir: created directory 'group_vars/a_web_servers'mkdir: created directory 'group_vars/b_web_servers'[student@workstation inventory-review]$ echo "webapp_version: v1.1a" > group_vars/a_web_servers/webapp.yml[student@workstation inventory-review]$ echo "webapp_version: v1.1b" > group_vars/b_web_servers/webapp.yml

📑运行剧本并验证

[student@workstation inventory-review]$ ansible-playbook deploy_webapp.yml[student@workstation inventory-review]$ curl http://serveraHello from serverb.lab.example.com. (version v1.1a)[student@workstation inventory-review]$ curl http://serveraHello from serverc.lab.example.com. (version v1.1b)

📑提交修改到工作区

[student@workstation inventory-review]$ git statusOn branch masterYour branch is up to date with 'origin/master'.Untracked files:  (use "git add ..." to include in what will be committed)group_vars/a_web_servers/group_vars/b_web_servers/nothing added to commit but untracked files present (use "git add" to track)[student@workstation inventory-review]$ git add group_vars/{a,b}_web_servers[student@workstation inventory-review]$ git statusOn branch masterYour branch is up to date with 'origin/master'.Changes to be committed:  (use "git reset HEAD ..." to unstage)new file:   group_vars/a_web_servers/webapp.ymlnew file:   group_vars/b_web_servers/webapp.yml[student@workstation inventory-review]$ git commit -m "Created variable files for the A and B groups."[master 05c2080] Created variable files for the A and B groups. 2 files changed, 2 insertions(+) create mode 100644 group_vars/a_web_servers/webapp.yml create mode 100644 group_vars/b_web_servers/webapp.yml

📑编写yaml清单文件并测试执行

[student@workstation inventory-review]$ cat inventory.yml lb_servers:  hosts:    servera.lab.example.com:web_servers:  children:    a_web_servers:      hosts: serverb.lab.example.com:    b_web_servers:      hosts: serverc.lab.example.com:[student@workstation inventory-review]$ ansible-playbook site.yml -i inventory.yml

📑改写为变量识别主机并测试运行

[student@workstation inventory-review]$ cat inventory.yml lb_servers:  hosts:    loadbalancer_1:      ansible_host: servera.lab.example.comweb_servers:  children:    a_web_servers:      hosts: backend_a1:   ansible_host: serverb.lab.example.com    b_web_servers:      hosts: backend_b1:   ansible_host: serverc.lab.example.com[student@workstation inventory-review]$ ansible-playbook site.yml -i inventory.yml

📑提交修改后的代码项目

[student@workstation inventory-review]$ git add inventory.yml[student@workstation inventory-review]$ git commit -m "Added YAML inventory"[master 3fc697d] Added YAML inventory 1 file changed, 15 insertions(+) create mode 100644 inventory.yml[student@workstation inventory-review]$ git statusOn branch masterYour branch is ahead of 'origin/master' by 2 commits.  (use "git push" to publish your local commits)nothing to commit, working tree clean[student@workstation inventory-review]$ git pushEnumerating objects: 12, done.Counting objects: 100% (12/12), done.Delta compression using up to 4 threads.Compressing objects: 100% (6/6), done.Writing objects: 100% (10/10), 920 bytes | 920.00 KiB/s, done.Total 10 (delta 2), reused 0 (delta 0)To http://git.lab.example.com:8081/git/inventory-review.git   e1de24a..3fc697d  master -> master

📑评测与清除实验

[student@workstation inventory-review]$ lab inventory-review grade[student@workstation inventory-review]$ lab inventory-review finish

💡总结

RHCA认证需要经历5门的学习与考试,还是需要花不少时间去学习与备考的,好好加油,可以噶🤪。

DO447管理清单--章节实验

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DO447管理清单--章节实验

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