bvandeusenandClaude Opus 5.5
6c4ef368f9
The root helper gains one read-only action, `drives`: it finds the drives itself (smartctl --scan-open), reads each as JSON, and writes a summary the agent carries on every sample (agent 1.20.0). Steward judges the figures in drives.py (failing / worn / watch / ok / no SMART / unreadable), records them per drive and as host roll-ups for covering rules, keeps the newest report on the registration and lists it on the host page. install-deps.sh installs smartmontools with apt, dnf, yum, zypper, pacman or apk, run by install.sh and every agent playbook; one it can't install is reported, never fatal. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
163 lines
8.4 KiB
Python
163 lines
8.4 KiB
Python
# plugins/host_agent/models.py
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from __future__ import annotations
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import uuid
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from datetime import datetime, timezone
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from sqlalchemy import JSON, Boolean, Column, String, DateTime, Float, ForeignKey, Integer, Text
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from steward.models.base import Base
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def _uuid() -> str:
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return str(uuid.uuid4())
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def _utcnow() -> datetime:
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return datetime.now(timezone.utc)
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class HostAgentRegistration(Base):
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__tablename__ = "host_agent_registrations"
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id = Column(String(36), primary_key=True, default=_uuid)
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host_id = Column(String(36), ForeignKey("hosts.id", ondelete="CASCADE"),
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unique=True, nullable=False)
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token_hash = Column(String(64), nullable=False, unique=True, index=True)
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token_created_at = Column(DateTime(timezone=True), nullable=False, default=_utcnow)
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agent_version = Column(String(32), nullable=True)
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kernel = Column(String(128), nullable=True)
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distro = Column(String(128), nullable=True)
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arch = Column(String(32), nullable=True)
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# Agent-reported primary IP. 45 chars = max textual IPv6 (no zone suffix).
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host_ip = Column(String(45), nullable=True)
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last_seen_at = Column(DateTime(timezone=True), nullable=True)
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# How far this host's clock is from Steward's, in seconds, positive when
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# the host is ahead, measured from the agent's sent_at on the newest post;
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# and when that was. None until an agent that stamps its posts reports.
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clock_offset_s = Column(Float, nullable=True)
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clock_checked_at = Column(DateTime(timezone=True), nullable=True)
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# What the package manager has waiting, from the agent's hourly check
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# (agent ≥ 1.16.0, #5765). updates_security is None when the manager
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# can't say; updates_error is why the last check failed.
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updates_manager = Column(String(8), nullable=True)
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updates_pending = Column(Integer, nullable=True)
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updates_security = Column(Integer, nullable=True)
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updates_checked_at = Column(DateTime(timezone=True), nullable=True)
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updates_error = Column(String(200), nullable=True)
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# Whether the host needs a reboot (None: it can't say), since when, and
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# the packages that asked for it, comma-separated.
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reboot_required = Column(Boolean, nullable=True)
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reboot_required_since = Column(DateTime(timezone=True), nullable=True)
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reboot_packages = Column(Text, nullable=True)
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# Whether the host has the root maintenance helper (steward-maint.path and
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# its request directory) that updates and reboots go through (#5766); None
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# until an agent that says reports.
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maint_helper = Column(Boolean, nullable=True)
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# The host's newest drive-health report, as the root helper read it with
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# smartctl (agent ≥ 1.20.0, #5789): {"checked_at", "smartctl", "drives"} or
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# {"error"}. drives.py judges it; the figures are also metrics.
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drive_health = Column(JSON, nullable=True)
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drive_health_at = Column(DateTime(timezone=True), nullable=True)
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created_at = Column(DateTime(timezone=True), nullable=False, default=_utcnow)
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updated_at = Column(DateTime(timezone=True), nullable=False,
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default=_utcnow, onupdate=_utcnow)
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class HostDowntime(Base):
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"""A span a host's agent was away, and what the agent said it was (#5756).
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kind is "reboot" (the host went down and came back), "agent_stop" (the
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agent stopped; the host stayed up), "unclean" (the host came back from a
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boot nobody announced: power loss or a crash) or "lost_contact" (the agent
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ran but couldn't reach Steward). ended_at is None while it is going on.
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"""
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__tablename__ = "host_downtime"
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id = Column(String(36), primary_key=True, default=_uuid)
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host_id = Column(String(36), ForeignKey("hosts.id", ondelete="CASCADE"),
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nullable=False, index=True)
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kind = Column(String(16), nullable=False)
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started_at = Column(DateTime(timezone=True), nullable=False)
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ended_at = Column(DateTime(timezone=True), nullable=True)
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created_at = Column(DateTime(timezone=True), nullable=False, default=_utcnow)
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class HostMaintenanceJob(Base):
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"""One host's update, and its reboot when the update needs one (#5767).
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Steward keeps the job here and the host's agent carries out each step
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through its root helper; maintenance.py has the states and transitions.
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step_id is the helper request id of the current step, and step_seen says a
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result for it has arrived, so it stops being handed out. node_id and
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drain_host_id are set when the host is a swarm node: the node to drain and
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the manager whose agent drains it.
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"""
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__tablename__ = "host_maintenance_jobs"
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id = Column(String(36), primary_key=True, default=_uuid)
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host_id = Column(String(36), ForeignKey("hosts.id", ondelete="CASCADE"),
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nullable=False, index=True)
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state = Column(String(16), nullable=False, default="queued", index=True)
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state_at = Column(DateTime(timezone=True), nullable=True)
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reboot_policy = Column(String(16), nullable=False, default="if_required")
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step_id = Column(String(64), nullable=True, index=True)
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step_seen = Column(Boolean, nullable=False, default=False)
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node_id = Column(String(64), nullable=True)
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drain_host_id = Column(String(36), ForeignKey("hosts.id", ondelete="SET NULL"), nullable=True)
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packages = Column(Integer, nullable=True)
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reboot_needed = Column(Boolean, nullable=True)
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back_at = Column(DateTime(timezone=True), nullable=True)
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detail = Column(Text, nullable=True)
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window_id = Column(String(36), ForeignKey("maintenance_windows.id", ondelete="SET NULL"),
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nullable=True)
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created_by = Column(String(36), ForeignKey("users.id", ondelete="SET NULL"), nullable=True)
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created_at = Column(DateTime(timezone=True), nullable=False, default=_utcnow)
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finished_at = Column(DateTime(timezone=True), nullable=True)
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# The cadence run this job belongs to (#5768); None for Update now.
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run_id = Column(String(36), ForeignKey("host_maintenance_runs.id", ondelete="SET NULL"),
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nullable=True, index=True)
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class HostMaintenancePlan(Base):
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"""A group's maintenance cadence (#5768): every week on `weekday` at
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`at_time` in `time_zone`, its hosts are updated one at a time, each
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rebooting per `reboot_policy`. No host is started after `window_minutes`
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from the run's start. last_slot_at is the last scheduled slot that fired;
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Run now leaves it alone, so the schedule keeps its time."""
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__tablename__ = "host_maintenance_plans"
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id = Column(String(36), primary_key=True, default=_uuid)
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name = Column(String(128), nullable=False)
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group_id = Column(String(36), ForeignKey("ansible_groups.id", ondelete="CASCADE"),
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nullable=False)
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weekday = Column(Integer, nullable=False) # 0 = Monday
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at_time = Column(String(5), nullable=False) # "HH:MM"
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time_zone = Column(String(64), nullable=False, default="UTC")
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window_minutes = Column(Integer, nullable=False, default=240)
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reboot_policy = Column(String(16), nullable=False, default="if_required")
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enabled = Column(Boolean, nullable=False, default=True)
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last_slot_at = Column(DateTime(timezone=True), nullable=True)
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created_by = Column(String(36), ForeignKey("users.id", ondelete="SET NULL"), nullable=True)
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created_at = Column(DateTime(timezone=True), nullable=False, default=_utcnow)
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class HostMaintenanceRun(Base):
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"""One run of a plan: its hosts in order, one at a time (#5768).
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host_ids is the order fixed at the start (JSON list); position is the host
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being worked on; skipped is [{"host_id", "reason"}] for hosts the run
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passed over. settle_since is when the current host's job finished and the
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run began waiting for the host to be back in service."""
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__tablename__ = "host_maintenance_runs"
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id = Column(String(36), primary_key=True, default=_uuid)
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plan_id = Column(String(36), ForeignKey("host_maintenance_plans.id", ondelete="CASCADE"),
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nullable=False, index=True)
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state = Column(String(16), nullable=False, default="running", index=True)
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host_ids = Column(Text, nullable=False, default="[]")
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position = Column(Integer, nullable=False, default=0)
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skipped = Column(Text, nullable=False, default="[]")
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settle_since = Column(DateTime(timezone=True), nullable=True)
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detail = Column(Text, nullable=True)
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manual = Column(Boolean, nullable=False, default=False)
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started_at = Column(DateTime(timezone=True), nullable=False, default=_utcnow)
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finished_at = Column(DateTime(timezone=True), nullable=True)
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