Files
coder/coderd/database/queries/prebuilds.sql
2025-02-14 12:17:08 +00:00

88 lines
6.2 KiB
SQL

-- name: GetTemplatePrebuildState :many
WITH
-- All prebuilds currently running
running_prebuilds AS (SELECT p.template_id,
b.template_version_id,
COUNT(*) AS count,
STRING_AGG(p.id::text, ',') AS ids
FROM workspace_prebuilds p
INNER JOIN workspace_latest_build b ON b.workspace_id = p.id
INNER JOIN provisioner_jobs pj ON b.job_id = pj.id
INNER JOIN templates t ON p.template_id = t.id
WHERE (b.transition = 'start'::workspace_transition
-- if a deletion job fails, the workspace will still be running
OR pj.job_status IN ('failed'::provisioner_job_status, 'canceled'::provisioner_job_status,
'unknown'::provisioner_job_status))
GROUP BY p.template_id, b.template_version_id),
-- All templates which have been configured for prebuilds (any version)
templates_with_prebuilds AS (SELECT t.id AS template_id,
tv.id AS template_version_id,
tv.id = t.active_version_id AS using_active_version,
tvpp.desired_instances,
t.deleted,
t.deprecated != '' AS deprecated
FROM templates t
INNER JOIN template_versions tv ON tv.template_id = t.id
INNER JOIN template_version_presets tvp ON tvp.template_version_id = tv.id
INNER JOIN template_version_preset_prebuilds tvpp ON tvpp.preset_id = tvp.id
WHERE t.id = @template_id::uuid
GROUP BY t.id, tv.id, tvpp.id),
-- Jobs relating to prebuilds current in-flight
prebuilds_in_progress AS (SELECT wpb.template_version_id, wpb.transition, COUNT(wpb.transition) AS count
FROM workspace_latest_build wlb
INNER JOIN provisioner_jobs pj ON wlb.job_id = pj.id
INNER JOIN workspace_prebuild_builds wpb ON wpb.id = wlb.id
WHERE pj.job_status NOT IN
('succeeded'::provisioner_job_status, 'canceled'::provisioner_job_status,
'failed'::provisioner_job_status)
GROUP BY wpb.template_version_id, wpb.transition)
SELECT t.template_id,
t.template_version_id,
t.using_active_version AS is_active,
MAX(CASE
WHEN p.template_version_id = t.template_version_id THEN p.ids
ELSE '' END)::text AS running_prebuild_ids,
COALESCE(MAX(CASE WHEN t.using_active_version THEN p.count ELSE 0 END),
0)::int AS actual, -- running prebuilds for active version
MAX(CASE WHEN t.using_active_version THEN t.desired_instances ELSE 0 END)::int AS desired, -- we only care about the active version's desired instances
COALESCE(MAX(CASE
WHEN p.template_version_id = t.template_version_id AND t.using_active_version = false
THEN p.count
ELSE 0 END),
0)::int AS outdated, -- running prebuilds for inactive version
COALESCE(GREATEST(
(MAX(CASE WHEN t.using_active_version THEN p.count ELSE 0 END)::int
- MAX(CASE WHEN t.using_active_version THEN t.desired_instances ELSE 0 END)),
0),
0) ::int AS extraneous, -- extra running prebuilds for active version
COALESCE(MAX(CASE WHEN pip.transition = 'start'::workspace_transition THEN pip.count ELSE 0 END),
0)::int AS starting,
COALESCE(MAX(CASE
WHEN pip.transition = 'stop'::workspace_transition THEN pip.count
ELSE 0 END),
0)::int AS stopping, -- not strictly needed, since prebuilds should never be left if a "stopped" state, but useful to know
COALESCE(MAX(CASE WHEN pip.transition = 'delete'::workspace_transition THEN pip.count ELSE 0 END),
0)::int AS deleting,
t.deleted AS template_deleted,
t.deprecated AS template_deprecated
FROM templates_with_prebuilds t
LEFT JOIN running_prebuilds p ON p.template_version_id = t.template_version_id
LEFT JOIN prebuilds_in_progress pip ON pip.template_version_id = t.template_version_id
GROUP BY t.using_active_version, t.template_id, t.template_version_id, p.count, p.ids,
p.template_version_id, t.deleted, t.deprecated;
-- name: ClaimPrebuild :one
UPDATE workspaces w
SET owner_id = @new_owner_id::uuid, updated_at = NOW() -- TODO: annoying; having two input params breaks dbgen
WHERE w.id IN (SELECT p.id
FROM workspace_prebuilds p
INNER JOIN workspace_latest_build b ON b.workspace_id = p.id
INNER JOIN provisioner_jobs pj ON b.job_id = pj.id
INNER JOIN templates t ON p.template_id = t.id
WHERE (b.transition = 'start'::workspace_transition
AND pj.job_status IN ('succeeded'::provisioner_job_status))
AND b.template_version_id = t.active_version_id
ORDER BY random()
LIMIT 1 FOR UPDATE OF p SKIP LOCKED)
RETURNING w.id;