ansible 從 2.7.11 升級到 2.8.1 產生的問題處理辦法

配置文件變化

致使讀不到 inventory,同時使用兩種格式能夠兼容各個版本,以下node

cat .ansible.cfg
[defaults]
# inventory control group_vars
# < 2.8
hostfile       = xxx
# >=2.8
inventory      = xxx
library        = /usr/share/ansible:xxx

ansible 內置變量變化

ansible_distribution_version 在 centos 上在 2.7.11 和 2.8.1 結果不一樣,致使相同的 playbook 在升級 ansible 後沒法正常運行python

觀察 ubuntu 和 centos 的相關變量以下,最終採用ansible_lsb.release來代替ansible_distribution_version ,能夠加絨Ubuntu 和 centos 中ansible 的各個版本。ubuntu

# on ubuntu trusty
## ansible 1.5.4
root@iZhp33qecbruyuw1awh6rfZ:~# ansible localhost -m setup -a "filter=ansible_os_family"
localhost | success >> {
    "ansible_facts": {
        "ansible_os_family": "Debian"
    },
    "changed": false
}
root@iZhp33qecbruyuw1awh6rfZ:~# ansible localhost -m setup -a "filter=ansible_distribution_version"
localhost | SUCCESS => {
    "ansible_facts": {
        "ansible_distribution_version": "14.04"
    },
    "changed": false
}
root@iZhp33qecbruyuw1awh6rfZ:~# ansible localhost -m setup -a "filter=ansible_lsb"
localhost | success >> {
    "ansible_facts": {
        "ansible_lsb": {
            "codename": "trusty",
            "description": "Ubuntu 14.04.5 LTS",
            "id": "Ubuntu",
            "major_release": "14",
            "release": "14.04"
        }
    },
    "changed": false
}

## ansible 2.8.1
root@iZhp33qecbruyuw1awh6rfZ:~# ansible localhost -m setup -a "filter=ansible_os_family"
localhost | SUCCESS => {
    "ansible_facts": {
        "ansible_os_family": "Debian"
    },
    "changed": false
}
root@iZhp33qecbruyuw1awh6rfZ:~# ansible localhost -m setup -a "filter=ansible_distribution_version"
localhost | SUCCESS => {
    "ansible_facts": {
        "ansible_distribution_version": "14.04"
    },
    "changed": false
}
root@iZhp33qecbruyuw1awh6rfZ:~# ansible localhost -m setup -a "filter=ansible_lsb"
localhost | success >> {
    "ansible_facts": {
        "ansible_lsb": {
            "codename": "trusty",
            "description": "Ubuntu 14.04.5 LTS",
            "id": "Ubuntu",
            "major_release": "14",
            "release": "14.04"
        }
    },
    "changed": false
}

# on centos 7.5
## ansible 2.7.11
[root@node11 ~]# ansible localhost -m setup -a "filter=ansible_os_family"
localhost | SUCCESS => {
    "ansible_facts": {
        "ansible_os_family": "RedHat"
    },
    "changed": false
}
[root@node11 ~]# ansible localhost -m setup -a "filter=ansible_distribution_version"
localhost | SUCCESS => {
    "ansible_facts": {
        "ansible_distribution_version": "7.5.1804"
    },
    "changed": false
}
[root@node11 ~]# ansible localhost -m setup -a "filter=ansible_lsb"
localhost | SUCCESS => {
    "ansible_facts": {
        "ansible_lsb": {
            "codename": "Core",
            "description": "CentOS Linux release 7.5.1804 (Core)",
            "id": "CentOS",
            "major_release": "7",
            "release": "7.5.1804"
        }
    },
    "changed": false
}

## ansible 2.8.1
[root@node11 ~]# ansible localhost -m setup -a "filter=ansible_os_family"
localhost | SUCCESS => {
    "ansible_facts": {
        "ansible_os_family": "RedHat",
        "discovered_interpreter_python": "/usr/bin/python"
    },
    "changed": false
}
[root@node11 ~]# ansible localhost -m setup -a "filter=ansible_distribution_version"
localhost | SUCCESS => {
    "ansible_facts": {
        "ansible_distribution_version": "7"
    },
    "changed": false
}
[root@node11 ~]# ansible localhost -m setup -a "filter=ansible_lsb"
localhost | SUCCESS => {
    "ansible_facts": {
        "ansible_lsb": {
            "codename": "Core",
            "description": "CentOS Linux release 7.5.1804 (Core)",
            "id": "CentOS",
            "major_release": "7",
            "release": "7.5.1804"
        }
    },
    "changed": false
}
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