mesh-host/internal/compose/resolution/health_seats.go

package resolution

import (
	mcat "git.novox.be/novox/mesh-sdk/go/catalogue"
)

// healthDecision is the record that made the four seats.
const healthDecision = "novox/hq ADR 0564"

// conditionsVerbs are the condition keeper's verbs (ADR 0564 clauses 3, 9, 12).
func conditionsVerbs() []mcat.Verb {
	return []mcat.Verb{
		{Name: "conditions", Description: "What is wrong with the mesh now: every open condition, urgent first, then oldest, " +
			"raised from the observers' findings (the watchman, the self-check, the healers, the assigner) and cleared when " +
			"the finding goes, never by hand. Given a key, that one whole with its evidence; with history, every transition " +
			"lately.",
			Input: schema(map[string]string{
				"key":      "a condition's key: that one whole; with history, only its transitions",
				"scope":    "only this scope: machine, plan, call, build, merge, provider, seat, bus, core, probe, mesh, delivery or module",
				"severity": "only urgent, or only warning",
				"machine":  "only those about this machine",
				"history":  "\"true\": every raising, change, silence and clearing lately, oldest first",
				"days":     "with history: how many days back (default 7, at most 90)",
			}, nil, "history")},
		{Name: "silence", Description: "Stop one condition's messages for a while, a hand act with why: it stays open and in " +
			"status, and the silence is kept as its transition in history.",
			Input: schema(map[string]string{
				"key":   "the condition's key",
				"for":   "how long: 30m, 4h, 2d; at most 7d",
				"why":   "why, required and recorded",
				"cause": "the cause in a word (the condition's kind when absent)",
			}, []string{"key", "for", "why"})},
		{Name: "resync", Description: "Read every observer's findings again and raise and clear what differs from the open " +
			"conditions: the recovery of a keeper that missed a change.",
			Input: schema(map[string]string{}, nil)},
	}
}

// watchdogsVerbs are the watchman's verbs (ADR 0564 clauses 4, 5, 12).
func watchdogsVerbs() []mcat.Verb {
	return []mcat.Verb{
		{Name: "signals", Description: "Every watchdog of the signals table the watchman keeps, each a key that expires unless " +
			"its signal renews it: its row, what renews it, its bound, the age of its newest signal, and the finding its " +
			"expiry wrote.",
			Input: schema(map[string]string{"row": "one row, e.g. S1"}, nil)},
		{Name: "stuck", Description: "Every want, build or step the watchman says stopped moving past its bound, with since " +
			"when and the words of its finding.",
			Input: schema(map[string]string{"machine": "only those on this machine"}, nil)},
		{Name: "presence", Description: "Every machine and tool runner the watchman sees connected, with its last word, and " +
			"those it says silent; a machine that said it sleeps is shown as sleeping, not silent.",
			Input: schema(map[string]string{"machine": "one machine"}, nil)},
		{Name: "dead-letters", Description: "Every message a consumer on the bus gave up on, kept in DEAD_LETTERS: whose " +
			"consumer, the subject, how often it was handed over and when it was given up, newest first. With id: that one " +
			"whole. With deliver or drop, a hand act with why.",
			Input: schema(map[string]string{
				"id":       "a dead letter's id, as the list gives it: that one whole, with its message",
				"consumer": "a consumer's name, or <stream>.<consumer>: only what that one gave up on",
				"limit":    "how many to list, newest first (default 50); only when listing",
				"deliver":  "a dead letter's id: deliver it again to the consumer that gave it up (needs why)",
				"drop":     "a dead letter's id: drop it for good (needs why)",
				"why":      "with deliver or drop: why, required and recorded",
				"cause":    "with deliver or drop: the cause in a word (dead-letter when absent)",
			}, nil)},
		{Name: "resync", Description: "Rebuild presence from the bus's connections, and the pulses and findings from the keys " +
			"the watchman watches, and take every dead-letter notice waiting: the recovery of a watchman that missed a change.",
			Input: schema(map[string]string{}, nil)},
	}
}

// selfCheckVerbs are the self-check's verbs (ADR 0564 clause 6).
func selfCheckVerbs() []mcat.Verb {
	return []mcat.Verb{
		{Name: "doctor", Description: "The self-check: the last run's verdict at once, each probe passed, failed, deferred " +
			"(its facts not on the bus yet, named) or could not run, and how long ago. With run, a run now; with probe, one " +
			"probe's verdict whole. Runs every five minutes on its own; each failure is a finding.",
			Input: schema(map[string]string{
				"run":   "\"true\": run every probe now and answer the verdict",
				"probe": "one probe's id (D6): its verdict alone, with every finding",
			}, nil, "run")},
		{Name: "probes", Description: "The registry: what each probe asserts, where it reads its facts, and the finding it writes.",
			Input: schema(map[string]string{}, nil)},
	}
}

// healersVerbs are the healers' verbs (ADR 0564 clauses 7, 8).
func healersVerbs() []mcat.Verb {
	return []mcat.Verb{
		{Name: "healers", Description: "The healers: each registered response to one kind of condition, its repair, its " +
			"budget and what happens when it is spent; every act taken lately with its outcome, and the mesh-wide brake.",
			Input: schema(map[string]string{"days": "how many days of acts back (default 7)"}, nil)},
		{Name: "heal", Description: "Take one healer's act for one open condition now, within its budget and the brake.",
			Input: schema(map[string]string{
				"key": "the condition's key",
				"why": "why now, kept with the act",
			}, []string{"key", "why"})},
		{Name: "drill", Description: "Record a drill: something broken on purpose to see the mesh raise and clear it, with " +
			"what it tests. A drill is never a repair: no healer is wanted for it however often it is run.",
			Input: schema(map[string]string{
				"what":      "what was done on purpose, in a line",
				"why":       "what the drill tests",
				"condition": "the key of the condition the drill is meant to raise, if any (optional)",
			}, []string{"what", "why"})},
	}
}