syndesizer: add file-system-usage
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README.md
17
README.md
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@ -28,6 +28,23 @@ Example configuration:
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$cap <cache { dataspace: $nixspace lifetime: 3600.0 }> ]
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$cap <cache { dataspace: $nixspace lifetime: 3600.0 }> ]
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]
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]
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```
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```
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### File System Usage
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Summarize the size of file-system directory. Equivalent to `du -s -b`.
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Query the size of a directory in bytes by observing `<file-system-usage "/SOME/PATH" ?size>`.
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```
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# Configuration example
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? <exposed-dataspace ?ds> [
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<require-service <daemon syndesizer>>
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? <service-object <daemon syndesizer> ?cap> [
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$cap <file-system-usage { dataspace: $ds }>
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]
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]
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```
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### JSON Socket Translator
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### JSON Socket Translator
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@ -0,0 +1,3 @@
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version 1.
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FileSystemUsage = <file-system-usage @path string @size int>.
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@ -6,6 +6,10 @@ CacheArguments = <cache {
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lifetime: float
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lifetime: float
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}>.
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}>.
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FileSystemUsageArguments = <file-system-usage {
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dataspace: #!any
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}>.
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JsonTranslatorArguments = <json-stdio-translator {
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JsonTranslatorArguments = <json-stdio-translator {
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argv: [string ...]
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argv: [string ...]
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dataspace: #!any
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dataspace: #!any
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@ -34,6 +34,12 @@ type
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WebhooksArguments* {.preservesRecord: "webhooks".} = object
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WebhooksArguments* {.preservesRecord: "webhooks".} = object
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`field0`*: WebhooksArgumentsField0
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`field0`*: WebhooksArgumentsField0
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FileSystemUsageArgumentsField0* {.preservesDictionary.} = object
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`dataspace`* {.preservesEmbedded.}: EmbeddedRef
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FileSystemUsageArguments* {.preservesRecord: "file-system-usage".} = object
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`field0`*: FileSystemUsageArgumentsField0
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SqliteArgumentsField0* {.preservesDictionary.} = object
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SqliteArgumentsField0* {.preservesDictionary.} = object
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`database`*: string
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`database`*: string
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`dataspace`* {.preservesEmbedded.}: EmbeddedRef
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`dataspace`* {.preservesEmbedded.}: EmbeddedRef
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@ -56,6 +62,7 @@ proc `$`*(x: WebsocketArguments | JsonTranslatorArguments |
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JsonTranslatorConnected |
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JsonTranslatorConnected |
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JsonSocketTranslatorArguments |
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JsonSocketTranslatorArguments |
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WebhooksArguments |
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WebhooksArguments |
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FileSystemUsageArguments |
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SqliteArguments |
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SqliteArguments |
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CacheArguments |
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CacheArguments |
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Tcp): string =
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Tcp): string =
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@ -65,6 +72,7 @@ proc encode*(x: WebsocketArguments | JsonTranslatorArguments |
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JsonTranslatorConnected |
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JsonTranslatorConnected |
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JsonSocketTranslatorArguments |
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JsonSocketTranslatorArguments |
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WebhooksArguments |
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WebhooksArguments |
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FileSystemUsageArguments |
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SqliteArguments |
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SqliteArguments |
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CacheArguments |
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CacheArguments |
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Tcp): seq[byte] =
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Tcp): seq[byte] =
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@ -7,6 +7,7 @@ import syndicate, syndicate/relays, syndicate/actors/timers
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import ./syndesizer/[
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import ./syndesizer/[
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cache_actor,
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cache_actor,
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file_system_usage,
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json_socket_translator,
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json_socket_translator,
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json_translator,
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json_translator,
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sqlite_actor,
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sqlite_actor,
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@ -17,6 +18,7 @@ runActor("syndesizer") do (turn: var Turn; root: Cap):
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connectStdio(turn, root)
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connectStdio(turn, root)
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discard spawnTimers(turn, root)
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discard spawnTimers(turn, root)
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discard spawnCacheActor(turn, root)
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discard spawnCacheActor(turn, root)
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discard spawnFileSystemUsageActor(turn, root)
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discard spawnJsonSocketTranslator(turn, root)
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discard spawnJsonSocketTranslator(turn, root)
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discard spawnJsonStdioTranslator(turn, root)
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discard spawnJsonStdioTranslator(turn, root)
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discard spawnWebhookActor(turn, root)
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discard spawnWebhookActor(turn, root)
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@ -0,0 +1,27 @@
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# SPDX-FileCopyrightText: ☭ Emery Hemingway
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# SPDX-License-Identifier: Unlicense
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import std/[dirs, os, paths]
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import preserves
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import syndicate, syndicate/relays
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import ../schema/[assertions, config]
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proc spawnFileSystemUsageActor*(turn: var Turn; root: Cap): Actor {.discardable.} =
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spawn("file-system-usage", turn) do (turn: var Turn):
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during(turn, root, ?:FileSystemUsageArguments) do (ds: Cap):
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var pat = ?Observe(pattern: !FileSystemUsage) ?? { 0: grab() }
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during(turn, ds, pat) do (lit: Literal[string]):
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var ass = FileSystemUsage(path: lit.value)
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if fileExists(ass.path): ass.size = getFileSize(ass.path)
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else:
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for fp in walkDirRec(paths.Path(lit.value), yieldFilter={pcFile}):
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var fs = getFileSize(string fp)
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inc(ass.size, fs)
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discard publish(turn, ds, ass)
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# TODO: updates?
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when isMainModule:
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runActor("main") do (turn: var Turn; root: Cap):
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connectStdio(turn, root)
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discard spawnFileSystemUsageActor(turn, root)
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