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lnav/docs/schemas/format-v1.schema.json

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{
"$id": "https://lnav.org/schemas/format-v1.schema.json",
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {
"$schema": {
"title": "/$schema",
"description": "Specifies the type of this file",
"type": "string"
}
},
"patternProperties": {
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"(\\w+)": {
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"description": "The definition of a log file format.",
"title": "/<format_name>",
"type": "object",
"properties": {
"regex": {
"description": "The set of regular expressions used to match log messages",
"title": "/<format_name>/regex",
"type": "object",
"patternProperties": {
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"([^/]+)": {
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"description": "The set of patterns used to match log messages",
"title": "/<format_name>/regex/<pattern_name>",
"type": "object",
"properties": {
"pattern": {
"title": "/<format_name>/regex/<pattern_name>/pattern",
"description": "The regular expression to match a log message and capture fields.",
"type": "string",
"minLength": 1
},
"module-format": {
"title": "/<format_name>/regex/<pattern_name>/module-format",
"description": "If true, this pattern will only be used to parse message bodies of container formats, like syslog",
"type": "boolean"
}
},
"additionalProperties": false
}
},
"additionalProperties": false
},
"json": {
"title": "/<format_name>/json",
"description": "Indicates that log files are JSON-encoded (deprecated, use \"file-type\": \"json\")",
"type": "boolean"
},
"convert-to-local-time": {
"title": "/<format_name>/convert-to-local-time",
"description": "Indicates that displayed timestamps should automatically be converted to local time",
"type": "boolean"
},
"hide-extra": {
"title": "/<format_name>/hide-extra",
"description": "Specifies whether extra values in JSON logs should be displayed",
"type": "boolean"
},
"multiline": {
"title": "/<format_name>/multiline",
"description": "Indicates that log messages can span multiple lines",
"type": "boolean"
},
"timestamp-divisor": {
"title": "/<format_name>/timestamp-divisor",
"description": "The value to divide a numeric timestamp by in a JSON log.",
"type": [
"integer",
"number"
]
},
"file-pattern": {
"title": "/<format_name>/file-pattern",
"description": "A regular expression that restricts this format to log files with a matching name",
"type": "string"
},
"level-field": {
"title": "/<format_name>/level-field",
"description": "The name of the level field in the log message pattern",
"type": "string"
},
"timestamp-field": {
"title": "/<format_name>/timestamp-field",
"description": "The name of the timestamp field in the log message pattern",
"type": "string"
},
"body-field": {
"title": "/<format_name>/body-field",
"description": "The name of the body field in the log message pattern",
"type": "string"
},
"url": {
"title": "/<format_name>/url",
"description": "A URL with more information about this log format",
"type": [
"array",
"string"
],
"items": {
"type": "string"
}
},
"title": {
"title": "/<format_name>/title",
"description": "The human-readable name for this log format",
"type": "string"
},
"description": {
"title": "/<format_name>/description",
"description": "A longer description of this log format",
"type": "string"
},
"timestamp-format": {
"title": "/<format_name>/timestamp-format",
"description": "An array of strptime(3)-like timestamp formats",
"type": "array",
"items": {
"type": "string"
}
},
"module-field": {
"title": "/<format_name>/module-field",
"description": "The name of the module field in the log message pattern",
"type": "string"
},
"opid-field": {
"title": "/<format_name>/opid-field",
"description": "The name of the operation-id field in the log message pattern",
"type": "string"
},
"ordered-by-time": {
"title": "/<format_name>/ordered-by-time",
"description": "Indicates that the order of messages in the file is time-based.",
"type": "boolean"
},
"level": {
"description": "The map of level names to patterns or integer values",
"title": "/<format_name>/level",
"type": "object",
"patternProperties": {
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"(trace|debug[2345]?|info|stats|notice|warning|error|critical|fatal)": {
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"title": "/<format_name>/level/<level>",
"description": "The regular expression used to match the log text for this level. For JSON logs with numeric levels, this should be the number for the corresponding level.",
"type": [
"integer",
"string"
]
}
},
"additionalProperties": false
},
"value": {
"description": "The set of value definitions",
"title": "/<format_name>/value",
"type": "object",
"patternProperties": {
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"([^/]+)": {
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"description": "The set of values captured by the log message patterns",
"title": "/<format_name>/value/<value_name>",
"type": "object",
"properties": {
"kind": {
"title": "/<format_name>/value/<value_name>/kind",
"description": "The type of data in the field",
"type": "string",
"enum": [
"string",
"integer",
"float",
"boolean",
"json",
"struct",
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"quoted",
"xml"
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]
},
"collate": {
"title": "/<format_name>/value/<value_name>/collate",
"description": "The collating function to use for this column",
"type": "string"
},
"unit": {
"description": "Unit definitions for this field",
"title": "/<format_name>/value/<value_name>/unit",
"type": "object",
"properties": {
"field": {
"title": "/<format_name>/value/<value_name>/unit/field",
"description": "The name of the field that contains the units for this field",
"type": "string"
},
"scaling-factor": {
"description": "Transforms the numeric value by the given factor",
"title": "/<format_name>/value/<value_name>/unit/scaling-factor",
"type": "object",
"patternProperties": {
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"([^/]+)": {
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"title": "/<format_name>/value/<value_name>/unit/scaling-factor/<scale>",
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"type": "object",
"patternProperties": {
"op": {
"title": "/<format_name>/value/<value_name>/unit/scaling-factor/<scale>/<>",
"type": "string",
"enum": [
"identity",
"multiply",
"divide"
]
},
"value": {
"title": "/<format_name>/value/<value_name>/unit/scaling-factor/<scale>/<>",
"type": "number"
}
},
"additionalProperties": false
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}
},
"additionalProperties": false
}
},
"additionalProperties": false
},
"identifier": {
"title": "/<format_name>/value/<value_name>/identifier",
"description": "Indicates whether or not this field contains an identifier that should be highlighted",
"type": "boolean"
},
"foreign-key": {
"title": "/<format_name>/value/<value_name>/foreign-key",
"description": "Indicates whether or not this field should be treated as a foreign key for row in another table",
"type": "boolean"
},
"hidden": {
"title": "/<format_name>/value/<value_name>/hidden",
"description": "Indicates whether or not this field should be hidden",
"type": "boolean"
},
"action-list": {
"title": "/<format_name>/value/<value_name>/action-list",
"description": "Actions to execute when this field is clicked on",
"type": "array",
"items": {
"type": "string"
}
},
"rewriter": {
"title": "/<format_name>/value/<value_name>/rewriter",
"description": "A command that will rewrite this field when pretty-printing",
"type": "string"
},
"description": {
"title": "/<format_name>/value/<value_name>/description",
"description": "A description of the field",
"type": "string"
}
},
"additionalProperties": false
}
},
"additionalProperties": false
},
"action": {
"title": "/<format_name>/action",
"type": "object",
"patternProperties": {
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"(\\w+)": {
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"title": "/<format_name>/action/<action_name>",
"type": [
"string",
"object"
],
"properties": {
"label": {
"title": "/<format_name>/action/<action_name>/label",
"type": "string"
},
"capture-output": {
"title": "/<format_name>/action/<action_name>/capture-output",
"type": "boolean"
},
"cmd": {
"title": "/<format_name>/action/<action_name>/cmd",
"type": "array",
"items": {
"type": "string"
}
}
},
"additionalProperties": false
}
},
"additionalProperties": false
},
"sample": {
"description": "An array of sample log messages to be tested against the log message patterns",
"title": "/<format_name>/sample",
"type": "array",
"items": {
"type": "object",
"properties": {
"line": {
"title": "/<format_name>/sample/line",
"description": "A sample log line that should match a pattern in this format.",
"type": "string"
},
"level": {
"title": "/<format_name>/sample/level",
"description": "The expected level for this sample log line.",
"type": "string",
"enum": [
"trace",
"debug5",
"debug4",
"debug3",
"debug2",
"debug",
"info",
"stats",
"notice",
"warning",
"error",
"critical",
"fatal"
]
}
},
"additionalProperties": false
}
},
"line-format": {
"description": "The display format for JSON-encoded log messages",
"title": "/<format_name>/line-format",
"type": "array",
"items": {
"type": [
"string",
"object"
],
"properties": {
"field": {
"title": "/<format_name>/line-format/field",
"description": "The name of the field to substitute at this position",
"type": "string",
"minLength": 1
},
"default-value": {
"title": "/<format_name>/line-format/default-value",
"description": "The default value for this position if the field is null",
"type": "string"
},
"timestamp-format": {
"title": "/<format_name>/line-format/timestamp-format",
"description": "The strftime(3) format for this field",
"type": "string",
"minLength": 1
},
"min-width": {
"title": "/<format_name>/line-format/min-width",
"description": "The minimum width of the field",
"type": "integer",
"minimum": 0
},
"max-width": {
"title": "/<format_name>/line-format/max-width",
"description": "The maximum width of the field",
"type": "integer",
"minimum": 0
},
"align": {
"title": "/<format_name>/line-format/align",
"description": "Align the text in the column to the left or right side",
"type": "string",
"enum": [
"left",
"right"
]
},
"overflow": {
"title": "/<format_name>/line-format/overflow",
"description": "Overflow style",
"type": "string",
"enum": [
"abbrev",
"truncate",
"dot-dot"
]
},
"text-transform": {
"title": "/<format_name>/line-format/text-transform",
"description": "Text transformation",
"type": "string",
"enum": [
"none",
"uppercase",
"lowercase",
"capitalize"
]
}
},
"additionalProperties": false
}
},
"search-table": {
"description": "Search tables to automatically define for this log format",
"title": "/<format_name>/search-table",
"type": [
"string",
"object"
],
"patternProperties": {
"\\w+": {
"description": "The set of search tables to be automatically defined",
"title": "/<format_name>/search-table/<>",
"type": "object",
"properties": {
"pattern": {
"title": "/<format_name>/search-table/<>/pattern",
"description": "The regular expression for this search table.",
"type": "string"
}
},
"additionalProperties": false
}
},
"additionalProperties": false
},
"highlights": {
"description": "The set of highlight definitions",
"title": "/<format_name>/highlights",
"type": "object",
"patternProperties": {
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"([^/]+)": {
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"description": "The definition of a highlight",
"title": "/<format_name>/highlights/<highlight_name>",
"type": "object",
"properties": {
"pattern": {
"title": "/<format_name>/highlights/<highlight_name>/pattern",
"description": "A regular expression to highlight in logs of this format.",
"type": "string"
},
"color": {
"title": "/<format_name>/highlights/<highlight_name>/color",
"description": "The color to use when highlighting this pattern.",
"type": "string"
},
"background-color": {
"title": "/<format_name>/highlights/<highlight_name>/background-color",
"description": "The background color to use when highlighting this pattern.",
"type": "string"
},
"underline": {
"title": "/<format_name>/highlights/<highlight_name>/underline",
"description": "Highlight this pattern with an underline.",
"type": "boolean"
},
"blink": {
"title": "/<format_name>/highlights/<highlight_name>/blink",
"description": "Highlight this pattern by blinking.",
"type": "boolean"
}
},
"additionalProperties": false
}
},
"additionalProperties": false
},
"file-type": {
"title": "/<format_name>/file-type",
"description": "The type of file that contains the log messages",
"type": "string",
"enum": [
"text",
"json",
"csv"
]
}
},
"additionalProperties": false
}
},
"additionalProperties": false
}
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