Show HN: Agfs – Aggregated File System, a modern tribute to the spirit of Plan9

$ agfs shell ___ _____________ _____ / | / ____/ ____// ___/ / /| |/ / __/ /_ \__ \ / ___ / /_/ / __/ ___/ / /_/ |_\____/_/ /____/ Client: agfs-cli 1.0.0 (git: f50d08d, built: 2025-11-16 22:40:49) Server: version=nightly-8-g6f26aea-dirty, commit=6f26aea, build=2025-11-17_18:23:32 Connected to agfs server at http://localhost:8080/api/v1 press 'help' or '?' for help // list dir agfs:/> ls drwxr-xr-x 0 2025-11-17 15:20:24 sqlfs2/ drwxr-xr-x 0 2025-11-17 15:20:24 sqlfs/ drwxr-xr-x 0 2025-11-17 15:20:24 s3fs/ drwxr-xr-x 0 2025-11-17 15:20:24 queuefs/ drwxr-xr-x 0 2025-11-17 15:20:24 local/ drwxr-xr-x 0 2025-11-17 15:20:24 streamfs/ drwxr-xr-x 0 2025-11-17 15:20:24 queuefs_mem/ // using queuefs agfs:/> cd queuefs_mem/ agfs:/queuefs_mem> ls -r--r--r-- 3044 2025-11-17 15:20:31 README agfs:/queuefs_mem> mkdir test_queue agfs:/queuefs_mem> cd test_queue/ agfs:/queuefs_mem/test_queue> ls --w--w--w- 0 2025-11-17 15:20:38 enqueue -r--r--r-- 0 2025-11-17 15:20:38 dequeue -r--r--r-- 0 2025-11-17 15:20:38 peek -r--r--r-- 1 2025-11-17 15:20:38 size --w--w--w- 0 2025-11-17 15:20:38 clear agfs:/queuefs_mem/test_queue> echo hello > enqueue 019a941e-ea7a-7ee0-93af-f96cea484833 agfs:/queuefs_mem/test_queue> cat dequeue {"id":"019a941e-ea7a-7ee0-93af-f96cea484833","data":"hello\n","timestamp":"2025-11-17T15:20:45.434785-08:00"} agfs:/queuefs_mem/test_queue> // turn a cloud database into a filesystem agfs:/sqlfs2> cd tidb agfs:/sqlfs2/tidb> ls cdrwxr-xr-x 0 2025-11-17 15:22:47 INFORMATION_SCHEMA/ drwxr-xr-x 0 2025-11-17 15:22:47 PERFORMANCE_SCHEMA/ drwxr-xr-x 0 2025-11-17 15:22:47 test/ agfs:/sqlfs2/tidb> cd test agfs:/sqlfs2/tidb/test> ls drwxr-xr-x 0 2025-11-17 15:21:51 jobs/ agfs:/sqlfs2/tidb/test> cd jobs agfs:/sqlfs2/tidb/test/jobs> ls -r--r--r-- 0 2025-11-17 15:22:00 schema -r--r--r-- 0 2025-11-17 15:22:00 count --w--w--w- 0 2025-11-17 15:22:00 query --w--w--w- 0 2025-11-17 15:22:00 execute agfs:/sqlfs2/tidb/test/jobs> cat schema CREATE TABLE `jobs` ( `id` int(11) NOT NULL AUTO_INCREMENT, `name` varchar(255) NOT NULL, `description` text DEFAULT NULL, `schedule` varchar(255) DEFAULT NULL, `body` longtext DEFAULT NULL, `executor` varchar(255) DEFAULT NULL, `meta` text DEFAULT NULL, `last_run_utc` timestamp NULL DEFAULT NULL, `create_time_utc` timestamp DEFAULT CURRENT_TIMESTAMP, `enabled` tinyint(1) DEFAULT '1', `last_run_exit_code` int(11) DEFAULT NULL, `last_run_stdout` longtext DEFAULT NULL, `last_run_stderr` longtext DEFAULT NULL, PRIMARY KEY (`id`) /*T![clustered_index] CLUSTERED */, UNIQUE KEY `name` (`name`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin AUTO_INCREMENT=420001 agfs:/sqlfs2/tidb/test/jobs> echo 'select 1' > query [ { "1": 1 } ] // Write your own Filesystem (in Wasm, see more details at agfs-server/examples) and mount it dynamicly agfs:/> plugins load pfs://s3fs/aws/hellofs-wasm.wasm Reading plugin from AGFS path: /s3fs/aws/hellofs-wasm.wasm Downloaded to temporary file: /var/folders/lf/nj7v40x934j5s8f8qmtcsx_m0000gn/T/agfs_plugin_vgcajk57.wasm (96192 bytes) Loaded external plugin: hellofs-wasm Source: pfs://s3fs/aws/hellofs-wasm.wasm Temporary file: /var/folders/lf/nj7v40x934j5s8f8qmtcsx_m0000gn/T/agfs_plugin_vgcajk57.wasm Cleaned up temporary file: /var/folders/lf/nj7v40x934j5s8f8qmtcsx_m0000gn/T/agfs_plugin_vgcajk57.wasm agfs:/> mount hellofs-wasm /hello-wasm plugin mounted agfs:/> cd /hello-wasm agfs:/hello-wasm> ls -rw-r--r-- 12 0001-01-01 00:00:00 hello.txt agfs:/hello-wasm> cat hello.txt Hello World agfs:/hello-wasm> // Basic pipeline / IO redirect support agfs:/s3fs/aws> echo 'hello world' > hello.txt Written 12 bytes to hello.txt agfs:/s3fs/aws> cat hello.txt | tee -a /sqlfs/tidb/hello_in_database | tee -a /local/hello_in_local hello world agfs:/s3fs/aws> cat /sqlfs/tidb/hello_in_database hello world agfs:/s3fs/aws> cat /local/hello_in_local hello world agfs:/s3fs/aws>