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Discrimination between "outdated" and "extraneous" prebuilds, hardening reconciliation
Signed-off-by: Danny Kopping <danny@coder.com>
This commit is contained in:
Danny Kopping
@ -1,67 +1,75 @@
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-- name: GetTemplatePrebuildState :many
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WITH
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-- All prebuilds currently running
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running_prebuilds AS (SELECT p.template_id,
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b.template_version_id,
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COUNT(*) AS count,
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STRING_AGG(p.id::text, ',') AS ids
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FROM workspace_prebuilds p
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INNER JOIN workspace_latest_build b ON b.workspace_id = p.id
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INNER JOIN provisioner_jobs pj ON b.job_id = pj.id
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INNER JOIN templates t ON p.template_id = t.id
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WHERE (b.transition = 'start'::workspace_transition
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-- if a deletion job fails, the workspace will still be running
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OR pj.job_status IN ('failed'::provisioner_job_status, 'canceled'::provisioner_job_status,
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'unknown'::provisioner_job_status))
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GROUP BY p.template_id, b.template_version_id),
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-- All templates which have been configured for prebuilds (any version)
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templates_with_prebuilds AS (SELECT t.id AS template_id,
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tv.id AS template_version_id,
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tv.id = t.active_version_id AS using_active_version,
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tvpp.desired_instances,
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t.deleted,
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t.deprecated != '' AS deprecated
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FROM templates t
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INNER JOIN template_versions tv ON tv.template_id = t.id
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INNER JOIN template_version_presets tvp ON tvp.template_version_id = tv.id
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INNER JOIN template_version_preset_prebuilds tvpp ON tvpp.preset_id = tvp.id
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WHERE t.id = @template_id::uuid
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GROUP BY t.id, tv.id, tvpp.id),
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-- Jobs relating to prebuilds current in-flight
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prebuilds_in_progress AS (SELECT wpb.template_version_id, wpb.transition, COUNT(wpb.transition) AS count
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FROM workspace_latest_build wlb
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INNER JOIN provisioner_jobs pj ON wlb.job_id = pj.id
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INNER JOIN workspace_prebuild_builds wpb ON wpb.id = wlb.id
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WHERE pj.job_status NOT IN
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('succeeded'::provisioner_job_status, 'canceled'::provisioner_job_status,
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'failed'::provisioner_job_status)
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GROUP BY wpb.template_version_id, wpb.transition)
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-- All prebuilds currently running
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running_prebuilds AS (SELECT p.template_id,
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b.template_version_id,
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COUNT(*) AS count,
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STRING_AGG(p.id::text, ',') AS ids
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FROM workspace_prebuilds p
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INNER JOIN workspace_latest_build b ON b.workspace_id = p.id
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INNER JOIN provisioner_jobs pj ON b.job_id = pj.id
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INNER JOIN templates t ON p.template_id = t.id
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WHERE (b.transition = 'start'::workspace_transition
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-- if a deletion job fails, the workspace will still be running
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OR pj.job_status IN ('failed'::provisioner_job_status, 'canceled'::provisioner_job_status,
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'unknown'::provisioner_job_status))
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GROUP BY p.template_id, b.template_version_id),
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-- All templates which have been configured for prebuilds (any version)
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templates_with_prebuilds AS (SELECT t.id AS template_id,
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tv.id AS template_version_id,
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tv.id = t.active_version_id AS using_active_version,
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tvpp.desired_instances,
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t.deleted,
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t.deprecated != '' AS deprecated
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FROM templates t
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INNER JOIN template_versions tv ON tv.template_id = t.id
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INNER JOIN template_version_presets tvp ON tvp.template_version_id = tv.id
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INNER JOIN template_version_preset_prebuilds tvpp ON tvpp.preset_id = tvp.id
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WHERE t.id = @template_id::uuid
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GROUP BY t.id, tv.id, tvpp.id),
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-- Jobs relating to prebuilds current in-flight
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prebuilds_in_progress AS (SELECT wpb.template_version_id, wpb.transition, COUNT(wpb.transition) AS count
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FROM workspace_latest_build wlb
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INNER JOIN provisioner_jobs pj ON wlb.job_id = pj.id
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INNER JOIN workspace_prebuild_builds wpb ON wpb.id = wlb.id
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WHERE pj.job_status NOT IN
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('succeeded'::provisioner_job_status, 'canceled'::provisioner_job_status,
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'failed'::provisioner_job_status)
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GROUP BY wpb.template_version_id, wpb.transition)
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SELECT t.template_id,
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t.template_version_id,
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t.using_active_version AS is_active,
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COALESCE(MAX(CASE WHEN p.template_version_id = t.template_version_id THEN p.ids END),
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'')::text AS running_prebuild_ids,
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COALESCE(MAX(CASE WHEN t.using_active_version THEN p.count ELSE 0 END),
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0)::int AS actual, -- running prebuilds for active version
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COALESCE(MAX(CASE WHEN t.using_active_version THEN t.desired_instances ELSE 0 END),
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0)::int AS desired, -- we only care about the active version's desired instances
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COALESCE(MAX(CASE
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WHEN p.template_version_id = t.template_version_id AND t.using_active_version = false
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THEN p.count END),
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0)::int AS extraneous, -- running prebuilds for inactive version
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COALESCE(MAX(CASE WHEN pip.transition = 'start'::workspace_transition THEN pip.count ELSE 0 END),
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0)::int AS starting,
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COALESCE(MAX(CASE WHEN pip.transition = 'stop'::workspace_transition THEN pip.count ELSE 0 END),
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0)::int AS stopping, -- not strictly needed, since prebuilds should never be left if a "stopped" state, but useful to know
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COALESCE(MAX(CASE WHEN pip.transition = 'delete'::workspace_transition THEN pip.count ELSE 0 END),
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0)::int AS deleting,
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t.deleted AS template_deleted,
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t.deprecated AS template_deprecated
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t.template_version_id,
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t.using_active_version AS is_active,
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MAX(CASE
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WHEN p.template_version_id = t.template_version_id THEN p.ids
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ELSE '' END)::text AS running_prebuild_ids,
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COALESCE(MAX(CASE WHEN t.using_active_version THEN p.count ELSE 0 END),
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0)::int AS actual, -- running prebuilds for active version
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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
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COALESCE(MAX(CASE
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WHEN p.template_version_id = t.template_version_id AND t.using_active_version = false
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THEN p.count
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ELSE 0 END),
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0)::int AS outdated, -- running prebuilds for inactive version
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COALESCE(GREATEST(
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(MAX(CASE WHEN t.using_active_version THEN p.count ELSE 0 END)::int
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- MAX(CASE WHEN t.using_active_version THEN t.desired_instances ELSE 0 END)),
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0),
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0) ::int AS extraneous, -- extra running prebuilds for active version
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COALESCE(MAX(CASE WHEN pip.transition = 'start'::workspace_transition THEN pip.count ELSE 0 END),
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0)::int AS starting,
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COALESCE(MAX(CASE
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WHEN pip.transition = 'stop'::workspace_transition THEN pip.count
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ELSE 0 END),
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0)::int AS stopping, -- not strictly needed, since prebuilds should never be left if a "stopped" state, but useful to know
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COALESCE(MAX(CASE WHEN pip.transition = 'delete'::workspace_transition THEN pip.count ELSE 0 END),
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0)::int AS deleting,
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t.deleted AS template_deleted,
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t.deprecated AS template_deprecated
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FROM templates_with_prebuilds t
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LEFT JOIN running_prebuilds p ON p.template_version_id = t.template_version_id
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LEFT JOIN prebuilds_in_progress pip ON pip.template_version_id = t.template_version_id
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LEFT JOIN running_prebuilds p ON p.template_version_id = t.template_version_id
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LEFT JOIN prebuilds_in_progress pip ON pip.template_version_id = t.template_version_id
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GROUP BY t.using_active_version, t.template_id, t.template_version_id, p.count, p.ids,
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p.template_version_id, t.deleted, t.deprecated;
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p.template_version_id, t.deleted, t.deprecated;
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-- name: ClaimPrebuild :one
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UPDATE workspaces w
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