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-rw-r--r--src/pybind/mgr/pg_autoscaler/tests/test_overlapping_roots.py479
1 files changed, 479 insertions, 0 deletions
diff --git a/src/pybind/mgr/pg_autoscaler/tests/test_overlapping_roots.py b/src/pybind/mgr/pg_autoscaler/tests/test_overlapping_roots.py
new file mode 100644
index 000000000..009019707
--- /dev/null
+++ b/src/pybind/mgr/pg_autoscaler/tests/test_overlapping_roots.py
@@ -0,0 +1,479 @@
+# python unit test
+import unittest
+from tests import mock
+import pytest
+import json
+from pg_autoscaler import module
+
+
+class OSDMAP:
+ def __init__(self, pools):
+ self.pools = pools
+
+ def get_pools(self):
+ return self.pools
+
+ def pool_raw_used_rate(pool_id):
+ return 1
+
+
+class CRUSH:
+ def __init__(self, rules, osd_dic):
+ self.rules = rules
+ self.osd_dic = osd_dic
+
+ def get_rule_by_id(self, rule_id):
+ for rule in self.rules:
+ if rule['rule_id'] == rule_id:
+ return rule
+
+ return None
+
+ def get_rule_root(self, rule_name):
+ for rule in self.rules:
+ if rule['rule_name'] == rule_name:
+ return rule['root_id']
+
+ return None
+
+ def get_osds_under(self, root_id):
+ return self.osd_dic[root_id]
+
+
+class TestPgAutoscaler(object):
+
+ def setup_method(self):
+ # a bunch of attributes for testing.
+ self.autoscaler = module.PgAutoscaler('module_name', 0, 0)
+
+ def helper_test(self, osd_dic, rules, pools, expected_overlapped_roots):
+ result = {}
+ roots = []
+ overlapped_roots = set()
+ osdmap = OSDMAP(pools)
+ crush = CRUSH(rules, osd_dic)
+ roots, overlapped_roots = self.autoscaler.identify_subtrees_and_overlaps(osdmap,
+ crush, result, overlapped_roots, roots)
+ assert overlapped_roots == expected_overlapped_roots
+
+ def test_subtrees_and_overlaps(self):
+ osd_dic = {
+ -1: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10],
+ -40: [11, 12, 13, 14, 15],
+ -5: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15],
+ }
+
+ rules = [
+ {
+ "rule_id": 0,
+ "rule_name": "data",
+ "ruleset": 0,
+ "type": 1,
+ "min_size": 1,
+ "max_size": 10,
+ "root_id": -1,
+ },
+ {
+ "rule_id": 1,
+ "rule_name": "teuthology-data-ec",
+ "ruleset": 1,
+ "type": 3,
+ "min_size": 3,
+ "max_size": 6,
+ "root_id": -5,
+ },
+ {
+ "rule_id": 4,
+ "rule_name": "rep-ssd",
+ "ruleset": 4,
+ "type": 1,
+ "min_size": 1,
+ "max_size": 10,
+ "root_id": -40,
+ },
+ ]
+ pools = {
+ 0: {
+ "pool_name": "data",
+ "pg_num_target": 1024,
+ "size": 3,
+ "crush_rule": 0,
+ "capacity_ratio": 0.1624,
+ "options": {
+ "pg_num_min": 1024,
+ },
+ "expected_final_pg_target": 1024,
+ },
+ 1: {
+ "pool_name": "metadata",
+ "pg_num_target": 64,
+ "size": 3,
+ "crush_rule": 4,
+ "capacity_ratio": 0.0144,
+ "options": {
+ "pg_num_min": 64,
+ },
+ "expected_final_pg_target": 64,
+ },
+ 4: {
+ "pool_name": "libvirt-pool",
+ "pg_num_target": 32,
+ "size": 3,
+ "crush_rule": 0,
+ "capacity_ratio": 0.0001,
+ "options": {},
+ "expected_final_pg_target": 128,
+ },
+ 93: {
+ "pool_name": ".rgw.root",
+ "pg_num_target": 32,
+ "size": 3,
+ "crush_rule": 4,
+ "capacity_ratio": 0,
+ "options": {},
+ "expected_final_pg_target": 32,
+ },
+ 94: {
+ "pool_name": "default.rgw.control",
+ "pg_num_target": 32,
+ "size": 3,
+ "crush_rule": 4,
+ "capacity_ratio": 0,
+ "options": {},
+ "expected_final_pg_target": 32,
+ },
+ 95: {
+ "pool_name": "default.rgw.meta",
+ "pg_num_target": 32,
+ "size": 3,
+ "crush_rule": 4,
+ "capacity_ratio": 0,
+ "options": {},
+ "expected_final_pg_target": 32,
+ },
+ 96: {
+ "pool_name": "default.rgw.log",
+ "pg_num_target": 32,
+ "size": 3,
+ "crush_rule": 4,
+ "capacity_ratio": 0,
+ "options": {},
+ "expected_final_pg_target": 32,
+ },
+ 97: {
+ "pool_name": "default.rgw.buckets.index",
+ "pg_num_target": 32,
+ "size": 3,
+ "crush_rule": 4,
+ "capacity_ratio": 0.0002,
+ "options": {},
+ "expected_final_pg_target": 32,
+ },
+ 98: {
+ "pool_name": "default.rgw.buckets.data",
+ "pg_num_target": 32,
+ "size": 3,
+ "crush_rule": 0,
+ "capacity_ratio": 0.0457,
+ "options": {},
+ "expected_final_pg_target": 128,
+ },
+ 99: {
+ "pool_name": "default.rgw.buckets.non-ec",
+ "pg_num_target": 32,
+ "size": 3,
+ "crush_rule": 0,
+ "capacity_ratio": 0,
+ "options": {},
+ "expected_final_pg_target": 32,
+ },
+ 100: {
+ "pool_name": "device_health_metrics",
+ "pg_num_target": 1,
+ "size": 3,
+ "crush_rule": 0,
+ "capacity_ratio": 0,
+ "options": {
+ "pg_num_min": 1
+ },
+ "expected_final_pg_target": 1,
+ },
+ 113: {
+ "pool_name": "cephfs.teuthology.meta",
+ "pg_num_target": 64,
+ "size": 3,
+ "crush_rule": 4,
+ "capacity_ratio": 0.1389,
+ "options": {
+ "pg_autoscale_bias": 4,
+ "pg_num_min": 64,
+ },
+ "expected_final_pg_target": 512,
+ },
+ 114: {
+ "pool_name": "cephfs.teuthology.data",
+ "pg_num_target": 256,
+ "size": 3,
+ "crush_rule": 0,
+ "capacity_ratio": 0.0006,
+ "options": {
+ "pg_num_min": 128,
+ },
+ "expected_final_pg_target": 1024,
+ "expected_final_pg_target": 256,
+ },
+ 117: {
+ "pool_name": "cephfs.scratch.meta",
+ "pg_num_target": 32,
+ "size": 3,
+ "crush_rule": 4,
+ "capacity_ratio": 0.0027,
+ "options": {
+ "pg_autoscale_bias": 4,
+ "pg_num_min": 16,
+ },
+ "expected_final_pg_target": 64,
+ },
+ 118: {
+ "pool_name": "cephfs.scratch.data",
+ "pg_num_target": 32,
+ "size": 3,
+ "crush_rule": 0,
+ "capacity_ratio": 0.0027,
+ "options": {},
+ "expected_final_pg_target": 128,
+ },
+ 119: {
+ "pool_name": "cephfs.teuthology.data-ec",
+ "pg_num_target": 1024,
+ "size": 6,
+ "crush_rule": 1,
+ "capacity_ratio": 0.8490,
+ "options": {
+ "pg_num_min": 1024
+ },
+ "expected_final_pg_target": 1024,
+ },
+ 121: {
+ "pool_name": "cephsqlite",
+ "pg_num_target": 32,
+ "size": 3,
+ "crush_rule": 4,
+ "capacity_ratio": 0,
+ "options": {},
+ "expected_final_pg_target": 128,
+ },
+ }
+ expected_overlapped_roots = {-40, -1, -5}
+ self.helper_test(osd_dic, rules, pools, expected_overlapped_roots)
+
+ def test_no_overlaps(self):
+ osd_dic = {
+ -1: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10],
+ -40: [11, 12, 13, 14, 15],
+ -5: [16, 17, 18],
+ }
+
+ rules = [
+ {
+ "rule_id": 0,
+ "rule_name": "data",
+ "ruleset": 0,
+ "type": 1,
+ "min_size": 1,
+ "max_size": 10,
+ "root_id": -1,
+ },
+ {
+ "rule_id": 1,
+ "rule_name": "teuthology-data-ec",
+ "ruleset": 1,
+ "type": 3,
+ "min_size": 3,
+ "max_size": 6,
+ "root_id": -5,
+ },
+ {
+ "rule_id": 4,
+ "rule_name": "rep-ssd",
+ "ruleset": 4,
+ "type": 1,
+ "min_size": 1,
+ "max_size": 10,
+ "root_id": -40,
+ },
+ ]
+ pools = {
+ 0: {
+ "pool_name": "data",
+ "pg_num_target": 1024,
+ "size": 3,
+ "crush_rule": 0,
+ "capacity_ratio": 0.1624,
+ "options": {
+ "pg_num_min": 1024,
+ },
+ "expected_final_pg_target": 1024,
+ },
+ 1: {
+ "pool_name": "metadata",
+ "pg_num_target": 64,
+ "size": 3,
+ "crush_rule": 4,
+ "capacity_ratio": 0.0144,
+ "options": {
+ "pg_num_min": 64,
+ },
+ "expected_final_pg_target": 64,
+ },
+ 4: {
+ "pool_name": "libvirt-pool",
+ "pg_num_target": 32,
+ "size": 3,
+ "crush_rule": 0,
+ "capacity_ratio": 0.0001,
+ "options": {},
+ "expected_final_pg_target": 128,
+ },
+ 93: {
+ "pool_name": ".rgw.root",
+ "pg_num_target": 32,
+ "size": 3,
+ "crush_rule": 4,
+ "capacity_ratio": 0,
+ "options": {},
+ "expected_final_pg_target": 32,
+ },
+ 94: {
+ "pool_name": "default.rgw.control",
+ "pg_num_target": 32,
+ "size": 3,
+ "crush_rule": 4,
+ "capacity_ratio": 0,
+ "options": {},
+ "expected_final_pg_target": 32,
+ },
+ 95: {
+ "pool_name": "default.rgw.meta",
+ "pg_num_target": 32,
+ "size": 3,
+ "crush_rule": 4,
+ "capacity_ratio": 0,
+ "options": {},
+ "expected_final_pg_target": 32,
+ },
+ 96: {
+ "pool_name": "default.rgw.log",
+ "pg_num_target": 32,
+ "size": 3,
+ "crush_rule": 4,
+ "capacity_ratio": 0,
+ "options": {},
+ "expected_final_pg_target": 32,
+ },
+ 97: {
+ "pool_name": "default.rgw.buckets.index",
+ "pg_num_target": 32,
+ "size": 3,
+ "crush_rule": 4,
+ "capacity_ratio": 0.0002,
+ "options": {},
+ "expected_final_pg_target": 32,
+ },
+ 98: {
+ "pool_name": "default.rgw.buckets.data",
+ "pg_num_target": 32,
+ "size": 3,
+ "crush_rule": 0,
+ "capacity_ratio": 0.0457,
+ "options": {},
+ "expected_final_pg_target": 128,
+ },
+ 99: {
+ "pool_name": "default.rgw.buckets.non-ec",
+ "pg_num_target": 32,
+ "size": 3,
+ "crush_rule": 0,
+ "capacity_ratio": 0,
+ "options": {},
+ "expected_final_pg_target": 32,
+ },
+ 100: {
+ "pool_name": "device_health_metrics",
+ "pg_num_target": 1,
+ "size": 3,
+ "crush_rule": 0,
+ "capacity_ratio": 0,
+ "options": {
+ "pg_num_min": 1
+ },
+ "expected_final_pg_target": 1,
+ },
+ 113: {
+ "pool_name": "cephfs.teuthology.meta",
+ "pg_num_target": 64,
+ "size": 3,
+ "crush_rule": 4,
+ "capacity_ratio": 0.1389,
+ "options": {
+ "pg_autoscale_bias": 4,
+ "pg_num_min": 64,
+ },
+ "expected_final_pg_target": 512,
+ },
+ 114: {
+ "pool_name": "cephfs.teuthology.data",
+ "pg_num_target": 256,
+ "size": 3,
+ "crush_rule": 0,
+ "capacity_ratio": 0.0006,
+ "options": {
+ "pg_num_min": 128,
+ },
+ "expected_final_pg_target": 1024,
+ "expected_final_pg_target": 256,
+ },
+ 117: {
+ "pool_name": "cephfs.scratch.meta",
+ "pg_num_target": 32,
+ "size": 3,
+ "crush_rule": 4,
+ "capacity_ratio": 0.0027,
+ "options": {
+ "pg_autoscale_bias": 4,
+ "pg_num_min": 16,
+ },
+ "expected_final_pg_target": 64,
+ },
+ 118: {
+ "pool_name": "cephfs.scratch.data",
+ "pg_num_target": 32,
+ "size": 3,
+ "crush_rule": 0,
+ "capacity_ratio": 0.0027,
+ "options": {},
+ "expected_final_pg_target": 128,
+ },
+ 119: {
+ "pool_name": "cephfs.teuthology.data-ec",
+ "pg_num_target": 1024,
+ "size": 6,
+ "crush_rule": 1,
+ "capacity_ratio": 0.8490,
+ "options": {
+ "pg_num_min": 1024
+ },
+ "expected_final_pg_target": 1024,
+ },
+ 121: {
+ "pool_name": "cephsqlite",
+ "pg_num_target": 32,
+ "size": 3,
+ "crush_rule": 4,
+ "capacity_ratio": 0,
+ "options": {},
+ "expected_final_pg_target": 128,
+ },
+ }
+ expected_overlapped_roots = set()
+ self.helper_test(osd_dic, rules, pools, expected_overlapped_roots)