vitastor/mon/etcd_schema.js

392 lines
14 KiB
JavaScript

// Copyright (c) Vitaliy Filippov, 2019+
// License: VNPL-1.1 (see README.md for details)
// FIXME document all etcd keys and config variables in the form of JSON schema or similar
const etcd_nonempty_keys = {
'config/global': 1,
'config/node_placement': 1,
'config/pools': 1,
'config/pgs': 1,
'history/last_clean_pgs': 1,
'stats': 1,
};
const etcd_allow = new RegExp('^'+[
'config/global',
'config/node_placement',
'config/pools',
'config/osd/[1-9]\\d*',
'config/pgs',
'config/inode/[1-9]\\d*/[1-9]\\d*',
'osd/state/[1-9]\\d*',
'osd/stats/[1-9]\\d*',
'osd/inodestats/[1-9]\\d*',
'osd/space/[1-9]\\d*',
'mon/master',
'mon/member/[a-f0-9]+',
'pg/state/[1-9]\\d*/[1-9]\\d*',
'pg/stats/[1-9]\\d*/[1-9]\\d*',
'pg/history/[1-9]\\d*/[1-9]\\d*',
'history/last_clean_pgs',
'inode/stats/[1-9]\\d*/\\d+',
'pool/stats/[1-9]\\d*',
'stats',
'index/image/.*',
'index/maxid/[1-9]\\d*',
].join('$|^')+'$');
const etcd_tree = {
config: {
/* global: {
// WARNING: NOT ALL OF THESE ARE ACTUALLY CONFIGURABLE HERE
// THIS IS JUST A POOR MAN'S CONFIG DOCUMENTATION
// etcd connection
config_path: "/etc/vitastor/vitastor.conf",
etcd_prefix: "/vitastor",
// etcd connection - configurable online
etcd_address: "10.0.115.10:2379/v3",
// mon
etcd_mon_ttl: 5, // min: 1
etcd_mon_timeout: 1000, // ms. min: 0
etcd_mon_retries: 5, // min: 0
mon_change_timeout: 1000, // ms. min: 100
mon_retry_change_timeout: 50, // ms. min: 10
mon_stats_timeout: 1000, // ms. min: 100
osd_out_time: 600, // seconds. min: 0
placement_levels: { datacenter: 1, rack: 2, host: 3, osd: 4, ... },
use_old_pg_combinator: false,
// client and osd
tcp_header_buffer_size: 65536,
use_sync_send_recv: false,
use_rdma: true,
rdma_device: null, // for example, "rocep5s0f0"
rdma_port_num: 1,
rdma_gid_index: 0,
rdma_mtu: 4096,
rdma_max_sge: 128,
rdma_max_send: 8,
rdma_max_recv: 16,
rdma_max_msg: 132096,
block_size: 131072,
disk_alignment: 4096,
bitmap_granularity: 4096,
immediate_commit: false, // 'all' or 'small'
// client - configurable online
client_max_dirty_bytes: 33554432,
client_max_dirty_ops: 1024,
client_enable_writeback: false,
client_max_buffered_bytes: 33554432,
client_max_buffered_ops: 1024,
client_max_writeback_iodepth: 256,
client_retry_interval: 50, // ms. min: 10
client_eio_retry_interval: 1000, // ms
client_retry_enospc: true,
osd_nearfull_ratio: 0.95,
// client and osd - configurable online
log_level: 0,
peer_connect_interval: 5, // seconds. min: 1
peer_connect_timeout: 5, // seconds. min: 1
osd_idle_timeout: 5, // seconds. min: 1
osd_ping_timeout: 5, // seconds. min: 1
max_etcd_attempts: 5,
etcd_quick_timeout: 1000, // ms
etcd_slow_timeout: 5000, // ms
etcd_keepalive_timeout: 30, // seconds, default is max(30, etcd_report_interval*2)
etcd_ws_keepalive_interval: 30, // seconds
// osd
etcd_report_interval: 5, // seconds
etcd_stats_interval: 30, // seconds
run_primary: true,
osd_network: null, // "192.168.7.0/24" or an array of masks
bind_address: "0.0.0.0",
bind_port: 0,
readonly: false,
osd_memlock: false,
// osd - configurable online
autosync_interval: 5,
autosync_writes: 128,
client_queue_depth: 128, // unused
recovery_queue_depth: 1,
recovery_sleep_us: 0,
recovery_tune_util_low: 0.1,
recovery_tune_client_util_low: 0,
recovery_tune_util_high: 1.0,
recovery_tune_client_util_high: 0.5,
recovery_tune_interval: 1,
recovery_tune_agg_interval: 10, // 10 times recovery_tune_interval
recovery_tune_sleep_min_us: 10, // 10 microseconds
recovery_pg_switch: 128,
recovery_sync_batch: 16,
no_recovery: false,
no_rebalance: false,
print_stats_interval: 3,
slow_log_interval: 10,
inode_vanish_time: 60,
auto_scrub: false,
no_scrub: false,
scrub_interval: '30d', // 1s/1m/1h/1d
scrub_queue_depth: 1,
scrub_sleep: 0, // milliseconds
scrub_list_limit: 1000, // objects to list on one scrub iteration
scrub_find_best: true,
scrub_ec_max_bruteforce: 100, // maximum EC error locator brute-force iterators
// blockstore - fixed in superblock
block_size,
disk_alignment,
journal_block_size,
meta_block_size,
bitmap_granularity,
journal_device,
journal_offset,
journal_size,
disable_journal_fsync,
data_device,
data_offset,
data_size,
disable_data_fsync,
meta_device,
meta_offset,
disable_meta_fsync,
disable_device_lock,
// blockstore - configurable offline
inmemory_metadata,
inmemory_journal,
journal_sector_buffer_count,
journal_no_same_sector_overwrites,
// blockstore - configurable online
max_write_iodepth,
min_flusher_count: 1,
max_flusher_count: 256,
throttle_small_writes: false,
throttle_target_iops: 100,
throttle_target_mbs: 100,
throttle_target_parallelism: 1,
throttle_threshold_us: 50,
}, */
global: {},
/* node_placement: {
host1: { level: 'host', parent: 'rack1' },
...
}, */
node_placement: {},
/* pools: {
<id>: {
name: 'testpool',
// 'ec' uses Reed-Solomon-Vandermonde codes, 'jerasure' is an alias for 'ec'
scheme: 'replicated' | 'xor' | 'ec' | 'jerasure',
pg_size: 3,
pg_minsize: 2,
// number of parity chunks, required for EC
parity_chunks?: 1,
pg_count: 100,
// default is failure_domain=host
failure_domain?: 'host',
// additional failure domain rules; failure_domain=x is equivalent to x=123..N
level_placement?: 'dc=112233 host=123456',
raw_placement?: 'any, dc=1 host!=1, dc=1 host!=(1,2)',
old_combinator: false,
max_osd_combinations: 10000,
// block_size, bitmap_granularity, immediate_commit must match all OSDs used in that pool
block_size: 131072,
bitmap_granularity: 4096,
// 'all'/'small'/'none', same as in OSD options
immediate_commit: 'none',
pg_stripe_size: 0,
root_node?: 'rack1',
// restrict pool to OSDs having all of these tags
osd_tags?: 'nvme' | [ 'nvme', ... ],
// prefer to put primary on OSD with these tags
primary_affinity_tags?: 'nvme' | [ 'nvme', ... ],
// scrub interval
scrub_interval?: '30d',
},
...
}, */
pools: {},
osd: {
/* <id>: { reweight?: 1, tags?: [ 'nvme', ... ], noout?: true }, ... */
},
/* pgs: {
hash: string,
items: {
<pool_id>: {
<pg_id>: {
osd_set: [ 1, 2, 3 ],
primary: 1,
pause: false,
}
}
}
}, */
pgs: {},
/* inode: {
<pool_id>: {
<inode_t>: {
name: string,
size?: uint64_t, // bytes
parent_pool?: <pool_id>,
parent_id?: <inode_t>,
readonly?: boolean,
}
}
}, */
inode: {},
},
osd: {
state: {
/* <osd_num_t>: {
state: "up",
addresses: string[],
host: string,
port: uint16_t,
primary_enabled: boolean,
blockstore_enabled: boolean,
}, */
},
stats: {
/* <osd_num_t>: {
time: number, // unix time
blockstore_ready: boolean,
size: uint64_t, // bytes
free: uint64_t, // bytes
host: string,
op_stats: {
<string>: { count: uint64_t, usec: uint64_t, bytes: uint64_t },
},
subop_stats: {
<string>: { count: uint64_t, usec: uint64_t },
},
recovery_stats: {
degraded: { count: uint64_t, bytes: uint64_t },
misplaced: { count: uint64_t, bytes: uint64_t },
},
}, */
},
inodestats: {
/* <pool_id>: {
<inode_t>: {
read: { count: uint64_t, usec: uint64_t, bytes: uint64_t },
write: { count: uint64_t, usec: uint64_t, bytes: uint64_t },
delete: { count: uint64_t, usec: uint64_t, bytes: uint64_t },
},
}, */
},
space: {
/* <osd_num_t>: {
<pool_id>: {
<inode_t>: uint64_t, // bytes
},
}, */
},
},
mon: {
master: {
/* ip: [ string ], id: uint64_t */
},
standby: {
/* <uint64_t>: { ip: [ string ] }, */
},
},
pg: {
state: {
/* <pool_id>: {
<pg_id>: {
primary: osd_num_t,
state: ("starting"|"peering"|"incomplete"|"active"|"repeering"|"stopping"|"offline"|
"degraded"|"has_incomplete"|"has_degraded"|"has_misplaced"|"has_unclean"|
"has_invalid"|"has_inconsistent"|"has_corrupted"|"left_on_dead"|"scrubbing")[],
}
}, */
},
stats: {
/* <pool_id>: {
<pg_id>: {
object_count: uint64_t,
clean_count: uint64_t,
misplaced_count: uint64_t,
degraded_count: uint64_t,
incomplete_count: uint64_t,
write_osd_set: osd_num_t[],
},
}, */
},
history: {
/* <pool_id>: {
<pg_id>: {
osd_sets: osd_num_t[][],
all_peers: osd_num_t[],
epoch: uint64_t,
next_scrub: uint64_t,
},
}, */
},
},
inode: {
stats: {
/* <pool_id>: {
<inode_t>: {
raw_used: uint64_t, // raw used bytes on OSDs
read: { count: uint64_t, usec: uint64_t, bytes: uint64_t, bps: uint64_t, iops: uint64_t, lat: uint64_t },
write: { count: uint64_t, usec: uint64_t, bytes: uint64_t, bps: uint64_t, iops: uint64_t, lat: uint64_t },
delete: { count: uint64_t, usec: uint64_t, bytes: uint64_t, bps: uint64_t, iops: uint64_t, lat: uint64_t },
},
}, */
},
},
pool: {
stats: {
/* <pool_id>: {
used_raw_tb: float, // used raw space in the pool
total_raw_tb: float, // maximum amount of space in the pool
raw_to_usable: float, // raw to usable ratio
space_efficiency: float, // 0..1
} */
},
},
stats: {
/* op_stats: {
<string>: { count: uint64_t, usec: uint64_t, bytes: uint64_t, bps: uint64_t, iops: uint64_t, lat: uint64_t },
},
subop_stats: {
<string>: { count: uint64_t, usec: uint64_t, iops: uint64_t, lat: uint64_t },
},
recovery_stats: {
degraded: { count: uint64_t, bytes: uint64_t, bps: uint64_t, iops: uint64_t },
misplaced: { count: uint64_t, bytes: uint64_t, bps: uint64_t, iops: uint64_t },
},
object_counts: {
object: uint64_t,
clean: uint64_t,
misplaced: uint64_t,
degraded: uint64_t,
incomplete: uint64_t,
},
object_bytes: {
total: uint64_t,
clean: uint64_t,
misplaced: uint64_t,
degraded: uint64_t,
incomplete: uint64_t,
}, */
},
history: {
last_clean_pgs: {},
},
index: {
image: {
/* <name>: {
id: uint64_t,
pool_id: uint64_t,
}, */
},
maxid: {
/* <pool_id>: uint64_t, */
},
},
};
module.exports = {
etcd_nonempty_keys,
etcd_allow,
etcd_tree,
};