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90 lines
2.0 KiB
Markdown
90 lines
2.0 KiB
Markdown
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# Conditions
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Conditions are NetBox's mechanism for evaluating whether a set data meets a prescribed set of conditions. It allows the author to convey simple logic by declaring an arbitrary number of attribute-value-operation tuples nested within a hierarchy of logical AND and OR statements.
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## Conditions
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A condition is expressed as a JSON object with the following keys:
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| Key name | Required | Default | Description |
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|----------|----------|---------|-------------|
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| attr | Yes | - | Name of the key within the data being evaluated |
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| value | Yes | - | The reference value to which the given data will be compared |
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| op | No | `eq` | The logical operation to be performed |
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| negate | No | False | Negate (invert) the result of the condition's evaluation |
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### Available Operations
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* `eq`: Equals
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* `gt`: Greater than
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* `gte`: Greater than or equal to
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* `lt`: Less than
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* `lte`: Less than or equal to
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* `in`: Is present within a list of values
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* `contains`: Contains the specified value
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### Examples
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`name` equals "foobar":
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```json
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{
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"attr": "name",
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"value": "foobar"
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}
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```
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`asn` is greater than 65000:
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```json
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{
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"attr": "asn",
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"value": 65000,
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"op": "gt"
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}
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```
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`status` is not "planned" or "staging":
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```json
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{
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"attr": "status",
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"value": ["planned", "staging"],
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"op": "in",
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"negate": true
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}
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```
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## Condition Sets
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Multiple conditions can be combined into nested sets using AND or OR logic. This is done by declaring a JSON object with a single key (`and` or `or`) containing a list of condition objects and/or child condition sets.
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### Examples
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`status` is "active" and `primary_ip` is defined _or_ the "exempt" tag is applied.
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```json
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{
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"or": [
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{
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"and": [
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{
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"attr": "status",
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"value": "active"
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},
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{
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"attr": "primary_ip",
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"value": "",
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"negate": true
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}
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]
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},
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{
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"attr": "tags",
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"value": "exempt",
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"op": "contains"
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}
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]
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}
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```
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