✨ Add ZFS resources to OS provider

Add zfs, zfs.pool, and zfs.dataset resources for querying ZFS storage
pools and datasets (filesystems, volumes, snapshots, bookmarks).

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: tas50

.github/actions/spelling/expect.txt

@@ -1,18 +1,19 @@
 aad
 ACCOUNTADMIN
-ACTIVEMQ
 advancedthreatprotection
 alloydb
 alpn
 antispam
 appslot
 arp
-artifactregistry
 atlassian
 auditlog
 Auths
 autoaccept
 autoclose
+autoexpand
+autoreplace
+autotrim
 autoprovision
 Autoscalers
 awsapps
@@ -24,20 +25,18 @@ backupshorttermretentionpolicy
 bigquery
 bigtable
 blackhole
-Blobstore
 BYOS
 bytematchstatement
 cavium
 cdn
 certificatechains
-ciscocatalyst
 clcerts
 cloudflare
 Clusterwide
 cmek
 cmnd
-cname
 cooldown
+compressratio
 copywrite
 cpe
 cryptokey
@@ -50,15 +49,16 @@ datapath
 DATAUSER
 datetime
 ddos
+dedupratio
 deliverychannel
 dfw
 directoryservice
+documentdb
+draid
 dlp
 dlq
 dlv
 dnskey
-documentdb
-Doublings
 dsse
 eas
 Ecmp
@@ -68,23 +68,19 @@ ekus
 elbv
 endpointslice
 EPP
-ETL
 exo
 failback
 fargate
-filestore
 filesz
 firefox
 firestore
 FLEXGROUP
 FLEXVOL
-fortios
 frontmatter
 ftps
 fumadocs
 gcfs
 gcs
-GENEVE
 geomatchstatement
 gistfile
 gotestsum
@@ -112,8 +108,6 @@ ipsetreferencestatement
 istio
 jira
 jsonbody
-junos
-KFP
 kqueue
 KSK
 labelmatchstatement
@@ -129,20 +123,18 @@ managedzone
 maxmemory
 mcp
 mcr
-meid
 memorydb
+meid
 messagestoragepolicy
 mfs
 mgroup
 minfree
 MINIMALUSER
 mkey
-Mpim
-msk
 MULTIAZ
+Mpim
 naflags
 natgateway
-networkfirewall
 networkinterface
 nexthop
 nmap
@@ -166,7 +158,6 @@ openssl
 openzfs
 orstatement
 ospf
-panos
 parallelquery
 PAYG
 persistentvolume
@@ -179,27 +170,20 @@ postgre
 POWERUSER
 priorityclass
 psc
-PTn
 pushconfig
-Pzi
-Pzs
-pzs
 querypack
-RABBITMQ
+raidz
 ratebasedstatement
 recaptcha
 regexmatchstatement
 regexpatternsetreferencestatement
 resourcegroup
 resourcequota
-rpo
-RRULE
 rtsp
 rulegroup
 rulegroupreferencestatement
 saas
 Sas
-SASL
 sbom
 scim
 scm
@@ -233,13 +217,16 @@ toplevel
 tpu
 transitgateway
 udid
+UNAVAIL
 uefi
 Uocm
 usb
 Utc
 valkey
 VAULTNAME
 vdcs
+vdev
+vdevs
 VGeneration
 virtualmachine
 vlans
@@ -255,6 +242,7 @@ workdir
 WORKSPACESUSER
 workspacesweb
 xssmatchstatement
-yara
+zfs
+zpool
 zrt
-ZSTD
+zstd

providers/os/resources/os.lr

@@ -2645,3 +2645,111 @@ private mdadm.device @defaults("name state") {
   // Device state (e.g., active sync, spare, faulty)
   state string
 }
+
+// ZFS storage pool and dataset management
+zfs @defaults("pools") {
+  // ZFS version string
+  version() string
+  // ZFS storage pools
+  pools() []zfs.pool
+  // All ZFS datasets (filesystems, volumes, snapshots, bookmarks)
+  datasets() []zfs.dataset
+}
+
+// ZFS storage pool
+zfs.pool @defaults("name health sizeBytes") {
+  init(name string)
+  // Pool name
+  name string
+  // Pool GUID
+  guid string
+  // Health status (ONLINE, DEGRADED, FAULTED, OFFLINE, REMOVED, UNAVAIL)
+  health string
+  // Total size in bytes
+  sizeBytes int
+  // Allocated space in bytes
+  allocatedBytes int
+  // Free space in bytes
+  freeBytes int
+  // Fragmentation percentage
+  fragmentation int
+  // Percentage of pool space used (0-100)
+  percentUsed int
+  // Deduplication ratio
+  dedupratio float
+  // Whether the pool is read-only
+  readonly bool
+  // Whether auto-expand is enabled
+  autoexpand bool
+  // Whether auto-replace is enabled
+  autoreplace bool
+  // Whether auto-trim is enabled
+  autotrim bool
+  // Top-level virtual device groups (mirrors, raidz, etc.)
+  vdevs() []zfs.pool.vdev
+  // All pool properties (lazy-loaded via zpool get all)
+  properties() map[string]string
+}
+
+// ZFS virtual device (vdev) in a pool's topology
+zfs.pool.vdev @defaults("name type state numDevices") {
+  // Vdev name (e.g., "raidz2-0", "mirror-0", "sda")
+  name string
+  // Vdev type (mirror, raidz, raidz2, raidz3, disk, file, draid, etc.)
+  type string
+  // Vdev state (ONLINE, DEGRADED, FAULTED, OFFLINE, REMOVED, UNAVAIL)
+  state string
+  // Device path (for leaf vdevs, empty for groups)
+  path string
+  // Read error count
+  readErrors int
+  // Write error count
+  writeErrors int
+  // Checksum error count
+  checksumErrors int
+  // Slow I/O count
+  slowIos int
+  // Number of child devices
+  numDevices int
+  // Child vdevs/devices
+  devices []zfs.pool.vdev
+}
+
+// ZFS dataset (filesystem, volume, snapshot, or bookmark)
+zfs.dataset @defaults("name type usedBytes") {
+  init(name string)
+  // Full dataset name (pool/path or pool/path@snap)
+  name string
+  // Dataset type (filesystem, volume, snapshot, bookmark)
+  type string
+  // Used space in bytes
+  usedBytes int
+  // Available space in bytes
+  availableBytes int
+  // Referenced space in bytes
+  referencedBytes int
+  // Mount point (empty for volumes/snapshots)
+  mountpoint string
+  // Compression algorithm (off, lz4, gzip, zstd, etc.)
+  compression string
+  // Compression ratio
+  compressratio float
+  // Whether the dataset is currently mounted
+  mounted bool
+  // Record size in bytes
+  recordsizeBytes int
+  // Quota in bytes (0 = none)
+  quotaBytes int
+  // Reservation in bytes (0 = none)
+  reservationBytes int
+  // Origin snapshot (for clones, empty otherwise)
+  origin string
+  // Creation time
+  creation time
+  // Encryption algorithm (off, aes-256-gcm, etc.)
+  encryption string
+  // All dataset properties (lazy-loaded via zfs get all)
+  properties() map[string]string
+  // Snapshots of this dataset
+  snapshots() []zfs.dataset
+}