bvandeusen
35f658b573
Collapse the three former check types into a single core `Monitor` entity
with one management surface (/monitors), one result table (monitor_results),
and a single scheduled task. Every type can now watch a free-standing custom
destination (optional host_id) — not just a registered Host.
- models: Monitor + MonitorResult replace PingResult/DnsResult; Host loses its
ping/dns facet columns (now Monitor rows linked by host_id).
- checks: monitors/{ping,dns,http}.py pure probes + runner.run_monitor
dispatcher; one monitor_check scheduler with a per-monitor due-filter.
- status: single monitor_status_source replaces the three sources.
- UI: /monitors blueprint (type-aware add/edit/list/widget); host hub shows a
host's linked monitors + "add monitor for this host"; nav + widget registry
+ alert metric catalog rewired. http plugin folded into core and removed.
- migration 0022 merges the http branch, data-migrates host facets +
http_monitors + all three result histories, drops the old tables/columns.
Resolves the per-host ping/dns auto-attach issue (#275): monitors are now
explicit, never auto-added to every host.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_016Jg27rgypiW2efULXJDtMC
60 lines
2.8 KiB
Python
60 lines
2.8 KiB
Python
"""HTTP monitoring tables (relocated from the former http plugin)
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This revision originally lived in plugins/http/migrations. The http plugin has
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been folded into core (unified Monitor entity), so its one migration is moved
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here UNCHANGED — same revision id + "http" branch label — purely so the
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revision stays resolvable in existing databases that already stamped it. The
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0022_unify_monitors merge revision then absorbs this branch and drops these
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tables after migrating their data into `monitor_results`.
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Revision ID: http_001_initial
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Revises: (none — branch off core via depends_on)
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Create Date: 2026-03-22
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"""
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from typing import Sequence, Union
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from alembic import op
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import sqlalchemy as sa
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revision: str = "http_001_initial"
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down_revision: Union[str, None] = None
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branch_labels: Union[str, Sequence[str], None] = "http"
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depends_on: Union[str, Sequence[str], None] = ("0004_app_settings",)
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def upgrade() -> None:
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op.create_table(
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"http_monitors",
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sa.Column("id", sa.String(36), primary_key=True),
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sa.Column("name", sa.String(128), nullable=False),
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sa.Column("url", sa.String(2048), nullable=False),
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sa.Column("method", sa.String(8), nullable=False, server_default="GET"),
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sa.Column("expected_status", sa.Integer, nullable=False, server_default="200"),
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sa.Column("content_match", sa.String(512), nullable=False, server_default=""),
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sa.Column("headers_json", sa.Text, nullable=False, server_default="{}"),
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sa.Column("timeout_seconds", sa.Integer, nullable=False, server_default="10"),
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sa.Column("check_interval_seconds", sa.Integer, nullable=False, server_default="0"),
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sa.Column("follow_redirects", sa.Boolean, nullable=False, server_default="1"),
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sa.Column("verify_ssl", sa.Boolean, nullable=False, server_default="1"),
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sa.Column("enabled", sa.Boolean, nullable=False, server_default="1"),
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sa.Column("last_checked_at", sa.DateTime(timezone=True), nullable=True),
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sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
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)
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op.create_table(
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"http_results",
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sa.Column("id", sa.String(36), primary_key=True),
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sa.Column("monitor_id", sa.String(36), nullable=False, index=True),
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sa.Column("checked_at", sa.DateTime(timezone=True), nullable=False, index=True),
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sa.Column("status_code", sa.Integer, nullable=True),
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sa.Column("response_ms", sa.Float, nullable=True),
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sa.Column("is_up", sa.Boolean, nullable=False, server_default="0"),
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sa.Column("content_matched", sa.Boolean, nullable=True),
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sa.Column("error_msg", sa.String(512), nullable=True),
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sa.Column("tls_expires_at", sa.DateTime(timezone=True), nullable=True),
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)
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def downgrade() -> None:
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op.drop_table("http_results")
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op.drop_table("http_monitors")
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