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mesh-catalog/modules/mesh-recovery/module.json
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{
"module": "mesh-recovery",
"version": "0.1",
"runs-as": "mesh-recovery",
"claims": [
{
"name": "mesh-recovery",
"scope": "mesh",
"serves": [
"snapshot-kept",
"restore-kept",
"kept-points",
"restore-aside",
"cancel",
"take",
"restore",
"retry",
"aside",
"discard-aside",
"expire-points"
]
}
],
"tools": [
"recovery_kept_points",
"recovery_take",
"recovery_restore",
"recovery_retry",
"recovery_aside",
"recovery_discard_aside",
"recovery_restore_aside",
"recovery_cancel",
"recovery_expire_points"
],
"consumes": [
"node-backup.item-started",
"node-backup.item-ended",
"node-engine.running",
"mesh-broker.snapshot-restored",
"mesh-broker.recreated",
"mesh-broker.dropped",
"mesh-conditions.findings-asked",
"mesh-catalog.seat-definition-changed",
"mesh-catalog.seat-definition-removed"
],
"invokes": [
"seat:mesh-catalog.seat-definitions",
"seat:mesh-catalog.entry",
"seat:mesh-module-assigner.assignments",
"seat:mesh-hand-acts.hand-act",
"seat:mesh-broker.show",
"seat:mesh-broker.snapshot-get",
"seat:mesh-broker.snapshot-restore",
"seat:mesh-broker.snapshot-restore-cancel",
"seat:node-backup.restore",
"seat:mesh-recovery.kept-points",
"seat:mesh-recovery.restore-aside",
"seat:mesh-recovery.cancel",
"seat:mesh-recovery.take",
"seat:mesh-recovery.restore",
"seat:mesh-recovery.retry",
"seat:mesh-recovery.aside",
"seat:mesh-recovery.discard-aside",
"seat:mesh-recovery.expire-points"
],
"requires": [
{
"name": "digests",
"storage": "key-value",
"template": "state"
},
{
"name": "findings",
"storage": "key-value",
"template": "state"
},
{
"name": "bounds",
"storage": "key-value",
"template": "state",
"options": {
"key-ttl": true
}
},
{
"name": "finding-events",
"storage": "stream",
"template": "events",
"options": {
"events": [
"finding-written.*",
"finding-cleared.*",
"findings-stated.*"
],
"max-age-days": 7,
"max-mib": 16
}
}
],
"config": {
"points-cap": {
"type": "number",
"description": "bytes the points directory may hold; an act that would pass it ends failed, naming it, before it removes anything (design 47 G section 564).",
"minimum": 1,
"trusted": false,
"default": 10737418240
},
"points-filling-mark": {
"type": "number",
"description": "percent of the cap past which the finding points-filling is written (design 47 G section 564).",
"minimum": 1,
"maximum": 100,
"trusted": false,
"default": 80
},
"point-keep-days": {
"type": "number",
"description": "days after which a restore point is removed, the newest of its kept data never (design 47 G sections 551, 557).",
"minimum": 0.01,
"maximum": 3650,
"trusted": false,
"default": 90
},
"dump-wait-minutes": {
"type": "number",
"description": "minutes an act waits on the dump of the bus's item before recovery-waits is written (design 47 G sections 561, 557).",
"minimum": 0.01,
"maximum": 10080,
"trusted": false,
"default": 60
},
"snapshot-restore-wait-minutes": {
"type": "number",
"description": "minutes a restore in place of a protected keeper's snapshot is waited on, and once more after its cancel (design 47 G section 681, A-138, A-140).",
"minimum": 0.01,
"maximum": 10080,
"trusted": false,
"default": 90
},
"expire-every-hours": {
"type": "number",
"description": "hours between two removals of the points past their keep days, beside the one at the start and at each snapshot-kept; timed by a bound key of the state bounds (design 47 G sections 551, 557, A-138).",
"minimum": 0.01,
"maximum": 8760,
"trusted": false,
"default": 24
}
},
"data": {
"own": [
{
"id": "points",
"path": "${dir:points}",
"class": "valuable",
"why": "the restore points taken of modules' kept data before a form change, and the asides of live data set aside before a restore (design 47 G sections 516, 554)"
}
]
},
"own-secrets": {
"broker": "${dir:state}/broker"
},
"secrets-owner": "mesh-recovery",
"resources": [
{
"id": "account",
"type": "user",
"name": "mesh-recovery",
"shell": "/usr/bin/nologin",
"home": "/var/lib/mesh-recovery"
},
{
"id": "state",
"type": "directory",
"mode": "0700",
"owner": "mesh-recovery",
"place": ".",
"unknown": "program"
},
{
"id": "points",
"type": "directory",
"path": "/var/lib/mesh-recovery/points",
"mode": "0700",
"owner": "mesh-recovery",
"unknown": "program"
},
{
"id": "cap",
"type": "file",
"path": "${dir:state}/points-cap",
"owner": "mesh-recovery",
"mode": "0600",
"template": "files/points-cap"
},
{
"id": "mark",
"type": "file",
"path": "${dir:state}/points-filling-mark",
"owner": "mesh-recovery",
"mode": "0600",
"template": "files/points-filling-mark"
},
{
"id": "keep-days",
"type": "file",
"path": "${dir:state}/point-keep-days",
"owner": "mesh-recovery",
"mode": "0600",
"template": "files/point-keep-days"
},
{
"id": "dump-wait",
"type": "file",
"path": "${dir:state}/dump-wait-minutes",
"owner": "mesh-recovery",
"mode": "0600",
"template": "files/dump-wait-minutes"
},
{
"id": "restore-wait",
"type": "file",
"path": "${dir:state}/snapshot-restore-wait-minutes",
"owner": "mesh-recovery",
"mode": "0600",
"template": "files/snapshot-restore-wait-minutes"
},
{
"id": "expire-every",
"type": "file",
"path": "${dir:state}/expire-every-hours",
"owner": "mesh-recovery",
"mode": "0600",
"template": "files/expire-every-hours"
},
{
"id": "recovery",
"type": "process",
"name": "mesh-recovery",
"artifact": "program",
"run": [
"./mesh-recovery"
],
"env": {
"MESH_BROKER_FILE": "${dir:state}/broker",
"MESH_RECOVERY_POINTS": "${dir:points}",
"MESH_RECOVERY_POINTS_CAP_FILE": "${dir:state}/points-cap",
"MESH_RECOVERY_FILLING_MARK_FILE": "${dir:state}/points-filling-mark",
"MESH_RECOVERY_KEEP_DAYS_FILE": "${dir:state}/point-keep-days",
"MESH_RECOVERY_DUMP_WAIT_FILE": "${dir:state}/dump-wait-minutes",
"MESH_RECOVERY_RESTORE_WAIT_FILE": "${dir:state}/snapshot-restore-wait-minutes",
"MESH_RECOVERY_EXPIRE_EVERY_FILE": "${dir:state}/expire-every-hours"
},
"user": "mesh-recovery",
"serves": [
"seat:mesh-recovery.snapshot-kept",
"seat:mesh-recovery.restore-kept",
"seat:mesh-recovery.kept-points",
"seat:mesh-recovery.restore-aside",
"seat:mesh-recovery.cancel",
"seat:mesh-recovery.take",
"seat:mesh-recovery.restore",
"seat:mesh-recovery.retry",
"seat:mesh-recovery.aside",
"seat:mesh-recovery.discard-aside",
"seat:mesh-recovery.expire-points"
],
"bus": {
"invokes": [
"seat:mesh-catalog.seat-definitions",
"seat:mesh-catalog.entry",
"seat:mesh-module-assigner.assignments",
"seat:mesh-hand-acts.hand-act",
"seat:mesh-broker.show",
"seat:mesh-broker.snapshot-get",
"seat:mesh-broker.snapshot-restore",
"seat:mesh-broker.snapshot-restore-cancel",
"seat:node-backup.restore"
]
},
"health": {
"kind": "unit"
}
}
],
"runtime-health": {
"kind": "tool",
"tool": "recovery_kept_points",
"interval": "60s",
"timeout": "10s",
"looks": 2,
"grace": "180s"
},
"build": {
"artifacts": [
{
"name": "program",
"kind": "bundle",
"language": "go",
"system": "arch",
"from": "cmd/mesh-recovery",
"binary": "mesh-recovery"
},
{
"name": "tools",
"kind": "bundle",
"language": "go",
"system": "arch",
"from": "cmd/mesh-recovery-tools",
"binary": "mesh-recovery-tools",
"loads": [
"mesh-recovery-tools"
]
},
{
"name": "files",
"kind": "archive",
"from": "files"
}
]
}
}
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