5.8. 使用外部文件修改智能类参数

使用外部文件简化了使用 JSON 数据的过程。使用带有语法高亮显示的编辑器可帮助您避免并找到错误。

注意

以下示例请求使用 python3 来格式化 Satellite 服务器中的 respone。在 RHEL 7 和一些较旧的系统中，您必须使用 python 而不是 python3。

使用外部文件修改智能类参数

本例使用 MOTD Puppet 清单。

根据名称搜索 Puppet 类，本例中为 motd。

请求示例：

curl --header "Accept:application/json" \
--header "Content-Type:application/json" \
--request GET --user sat_user:sat_password --insecure \
https://satellite.example.com/api/smart_class_parameters?search=puppetclass_name=motd \
| python3 -m json.tool

$ curl --header "Accept:application/json" \
--header "Content-Type:application/json" \
--request GET --user sat_user:sat_password --insecure \
https://satellite.example.com/api/smart_class_parameters?search=puppetclass_name=motd \
| python3 -m json.tool

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检查以下输出：每个智能类参数都有一个 ID，对同一 Satellite 实例是全局的。motd 类的 content 参数在此 Satellite 服务器中具有 id=3。不要将其与 Puppet 类名称之前显示的 Puppet 类 ID 混淆。

响应示例：

{
	"avoid_duplicates": false,
		"created_at": "2017-02-06 12:37:48 UTC", # Remove this line.
			"default_value": "", # Add a new value here.
			"description": "",
		"hidden_value": "",
		"hidden_value?": false,
		"id": 3,
		"merge_default": false,
		"merge_overrides": false,
		"override": false, # Set the override value to true.
			"override_value_order": "fqdn\nhostgroup\nos\ndomain",
		"override_values": [], # Remove this line.
			"override_values_count": 0,
		"parameter": "content",
		"parameter_type": "string",
		"puppetclass_id": 3,
		"puppetclass_name": "motd",
		"required": false,
		"updated_at": "2017-02-07 11:56:55 UTC", # Remove this line.
			"use_puppet_default": false,
		"validator_rule": null,
		"validator_type": ""
}

{
	"avoid_duplicates": false,
		"created_at": "2017-02-06 12:37:48 UTC", # Remove this line.
			"default_value": "", # Add a new value here.
			"description": "",
		"hidden_value": "",
		"hidden_value?": false,
		"id": 3,
		"merge_default": false,
		"merge_overrides": false,
		"override": false, # Set the override value to true.
			"override_value_order": "fqdn\nhostgroup\nos\ndomain",
		"override_values": [], # Remove this line.
			"override_values_count": 0,
		"parameter": "content",
		"parameter_type": "string",
		"puppetclass_id": 3,
		"puppetclass_name": "motd",
		"required": false,
		"updated_at": "2017-02-07 11:56:55 UTC", # Remove this line.
			"use_puppet_default": false,
		"validator_rule": null,
		"validator_type": ""
}

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使用参数 ID 3 获取特定于 motd 参数的信息，并将输出重定向到文件，如 output_file.json。

请求示例：

curl --header "Accept:application/json" \
--header "Content-Type:application/json" --request GET \
--user sat_user:sat_password --insecure \`
https://satellite.example.com/api/smart_class_parameters/3 \
| python3 -m json.tool > output_file.json

$ curl --header "Accept:application/json" \
--header "Content-Type:application/json" --request GET \
--user sat_user:sat_password --insecure \`
https://satellite.example.com/api/smart_class_parameters/3 \
| python3 -m json.tool > output_file.json

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将上一步中创建的文件复制到新文件中以进行编辑，例如 changed_file.json ：
```
cp output_file.json changed_file.json
```
```
$ cp output_file.json changed_file.json
```
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修改文件中所需的值。在本例中，将 motd 模块的 content 参数改为 true，这需要将 override 选项从 false 改为 true ：

{
	"avoid_duplicates": false,
		"created_at": "2017-02-06 12:37:48 UTC", # Remove this line.
			"default_value": "", # Add a new value here.
			"description": "",
		"hidden_value": "",
		"hidden_value?": false,
		"id": 3,
		"merge_default": false,
		"merge_overrides": false,
		"override": false, # Set the override value to true.
			"override_value_order": "fqdn\nhostgroup\nos\ndomain",
		"override_values": [], # Remove this line.
			"override_values_count": 0,
		"parameter": "content",
		"parameter_type": "string",
		"puppetclass_id": 3,
		"puppetclass_name": "motd",
		"required": false,
		"updated_at": "2017-02-07 11:56:55 UTC", # Remove this line.
			"use_puppet_default": false,
		"validator_rule": null,
		"validator_type": ""
}

{
	"avoid_duplicates": false,
		"created_at": "2017-02-06 12:37:48 UTC", # Remove this line.
			"default_value": "", # Add a new value here.
			"description": "",
		"hidden_value": "",
		"hidden_value?": false,
		"id": 3,
		"merge_default": false,
		"merge_overrides": false,
		"override": false, # Set the override value to true.
			"override_value_order": "fqdn\nhostgroup\nos\ndomain",
		"override_values": [], # Remove this line.
			"override_values_count": 0,
		"parameter": "content",
		"parameter_type": "string",
		"puppetclass_id": 3,
		"puppetclass_name": "motd",
		"required": false,
		"updated_at": "2017-02-07 11:56:55 UTC", # Remove this line.
			"use_puppet_default": false,
		"validator_rule": null,
		"validator_type": ""
}

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编辑该文件后，验证该文件是否类似如下，然后保存更改：

{
	"avoid_duplicates": false,
		"default_value": "No Unauthorized Access Allowed",
			"description": "",
		"hidden_value": "",
		"hidden_value?": false,
		"id": 3,
		"merge_default": false,
		"merge_overrides": false,
		"override": true,
			"override_value_order": "fqdn\nhostgroup\nos\ndomain",
		"override_values_count": 0,
		"parameter": "content",
		"parameter_type": "string",
		"puppetclass_id": 3,
		"puppetclass_name": "motd",
		"required": false,
		"use_puppet_default": false,
		"validator_rule": null,
		"validator_type": ""
}

{
	"avoid_duplicates": false,
		"default_value": "No Unauthorized Access Allowed",
			"description": "",
		"hidden_value": "",
		"hidden_value?": false,
		"id": 3,
		"merge_default": false,
		"merge_overrides": false,
		"override": true,
			"override_value_order": "fqdn\nhostgroup\nos\ndomain",
		"override_values_count": 0,
		"parameter": "content",
		"parameter_type": "string",
		"puppetclass_id": 3,
		"puppetclass_name": "motd",
		"required": false,
		"use_puppet_default": false,
		"validator_rule": null,
		"validator_type": ""
}

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将更改应用到 Satellite 服务器：

curl --header "Accept:application/json" \
--header "Content-Type:application/json" \
--request PUT --user sat_username:sat_password --insecure \
--data @changed_file.json \
https://satellite.example.com/api/smart_class_parameters/3

$ curl --header "Accept:application/json" \
--header "Content-Type:application/json" \
--request PUT --user sat_username:sat_password --insecure \
--data @changed_file.json \
https://satellite.example.com/api/smart_class_parameters/3

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5.8. 使用外部文件修改智能类参数

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