Todd
a4ea99047f
* Remove Prefix Id and Plugin Name fields. Creating catalogs now require either the plugin id or the name of the plugin resource (but not both). Host Catalogs and Host Sets API resources now have a read only plugin field populated with plugin info. Host Catalogs have a plugin id field as a top level field.
75 lines
2.4 KiB
PL/PgSQL
75 lines
2.4 KiB
PL/PgSQL
begin;
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create table host_set_preferred_endpoint (
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create_time wt_timestamp,
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host_set_id wt_public_id not null
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constraint host_set_fkey
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references host_set(public_id)
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on delete cascade
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on update cascade,
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priority int not null
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constraint priority_must_be_greater_than_zero
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check(priority > 0),
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condition text not null
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constraint condition_must_not_be_too_short
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check(length(trim(condition)) > 4) -- minimum is 'dns:*'
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constraint condition_must_not_be_too_long
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check(length(trim(condition)) < 255)
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constraint condition_has_valid_prefix
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check(
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left(trim(condition), 4) = 'dns:'
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or
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left(trim(condition), 5) = 'cidr:'
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)
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constraint condition_does_not_contain_invalid_chars
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check(
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position('|' in trim(condition)) = 0
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and
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position('=' in trim(condition)) = 0
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),
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primary key(host_set_id, priority),
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constraint host_set_preferred_endpoint_host_set_id_condition_uq
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unique(host_set_id, condition)
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);
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-- host_set_immutable_preferred_endpoint() ensures that endpoint conditions
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-- assigned to host sets are immutable.
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create function
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host_set_immutable_preferred_endpoint()
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returns trigger
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as $$
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begin
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raise exception 'preferred endpoints are immutable';
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end;
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$$ language plpgsql;
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create trigger immutable_preferred_endpoint
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before update on host_set_preferred_endpoint
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for each row execute procedure host_set_immutable_preferred_endpoint();
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-- host_plugin_host_set_with_value_obj is useful for reading a plugin host set with its
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-- associated value objects (preferred endpoints) as columns with delimited
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-- values. The delimiter depends on the value objects (e.g. if they need
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-- ordering).
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create view host_plugin_host_set_with_value_obj as
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select
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hs.public_id,
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hs.catalog_id,
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hc.plugin_id,
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hs.name,
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hs.description,
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hs.create_time,
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hs.update_time,
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hs.version,
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hs.attributes,
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-- the string_agg(..) column will be null if there are no associated value objects
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string_agg(distinct concat_ws('=', hspe.priority, hspe.condition), '|') as preferred_endpoints
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from
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host_plugin_set hs
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join host_plugin_catalog hc on hs.catalog_id = hc.public_id
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left outer join host_set_preferred_endpoint hspe on hs.public_id = hspe.host_set_id
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group by hs.public_id, hc.plugin_id;
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comment on view host_plugin_host_set_with_value_obj is
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'host plugin host set with its associated value objects';
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commit; |