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test_fall_back.py
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import json
import os
import pytest
from skyplane.api.transfer_config import TransferConfig
from skyplane.planner.planner import MulticastDirectPlanner
REGIONS = {
"aws": "us-east-1",
"azure": "uaenorth",
"gcp": "us-east1",
}
QUOTA_FILE = "test_quota_file"
@pytest.mark.skip(reason="Shared function")
def run_quota_tests(tests):
for test in tests:
quota_limits, expected_vm_types, expected_n_instances = test
# Overwrite the test quota file - also creates one
with open(QUOTA_FILE, "w") as f:
f.write(json.dumps(quota_limits, indent=2))
transfer_config = TransferConfig()
planner = MulticastDirectPlanner(n_instances=8, n_connections=100, transfer_config=transfer_config, quota_limits_file=QUOTA_FILE)
region_tags = [f"{p}:{REGIONS[p]}" for p in REGIONS.keys()]
for i, src_region_tag in enumerate(region_tags):
dst_region_tags = region_tags[:i] + region_tags[i + 1 :]
vm_types, n_instances = planner._get_vm_type_and_instances(src_region_tag=src_region_tag, dst_region_tags=dst_region_tags)
assert vm_types == expected_vm_types, f"vm types are calculated wrong - expected: {expected_vm_types}, calculated: {vm_types}"
assert (
n_instances == expected_n_instances
), f"n_instances are calculated wrong - expected: {expected_n_instances}, calculated: {n_instances}"
if os.path.exists(QUOTA_FILE):
# Delete the temporary quota file
os.remove(QUOTA_FILE)
def test_fall_back_no_quota_limit_exists():
# 1. Test for when the quota limit file doesn't exist
no_quota_tests = [
# No AWS
[
{
"gcp": {"us-east1": 8},
"azure": {"uaenorth": 4},
},
{
"azure:uaenorth": "Standard_D2_v5",
"aws:us-east-1": "m5.8xlarge",
"gcp:us-east1": "n2-standard-8",
},
1,
],
# No GCP
[
{
"aws": [
{
"on_demand_standard_vcpus": 10,
"spot_standard_vcpus": 10,
"region_name": "us-east-1",
}
],
"azure": {"uaenorth": 8},
},
{
"azure:uaenorth": "Standard_D2_v5",
"gcp:us-east1": "n2-standard-16",
"aws:us-east-1": "m5.2xlarge",
},
1,
],
# No Azure
[
{
"aws": [
{
"on_demand_standard_vcpus": 20,
"spot_standard_vcpus": 20,
"region_name": "us-east-1",
}
],
"gcp": {"us-east1": 32},
},
{
"azure:uaenorth": "Standard_D2_v5",
"gcp:us-east1": "n2-standard-16",
"aws:us-east-1": "m5.4xlarge",
},
1,
],
# Only AWS
[
{
"aws": [
{
"on_demand_standard_vcpus": 10,
"spot_standard_vcpus": 10,
"region_name": "us-east-1",
}
],
},
{
"azure:uaenorth": "Standard_D2_v5",
"gcp:us-east1": "n2-standard-16",
"aws:us-east-1": "m5.2xlarge",
},
1,
],
# Only GCP
[
{
"gcp": {"us-east1": 32},
},
{
"azure:uaenorth": "Standard_D2_v5",
"gcp:us-east1": "n2-standard-16",
"aws:us-east-1": "m5.8xlarge",
},
2,
],
# Only Azure
[
{
"azure": {"uaenorth": 8},
},
{
"azure:uaenorth": "Standard_D2_v5",
"gcp:us-east1": "n2-standard-16",
"aws:us-east-1": "m5.8xlarge",
},
4,
],
]
# 2. Test for when the quota limit file exists but doesn't include a region
no_region_tests = [
[
{
"aws": [
{
"on_demand_standard_vcpus": 5,
"spot_standard_vcpus": 5,
"region_name": "us-west-1", # us-east-1 doesn't exist
}
],
"gcp": {"us-east1": 8},
"azure": {"uaenorth": 4},
},
{
"azure:uaenorth": "Standard_D2_v5",
"aws:us-east-1": "m5.8xlarge",
"gcp:us-east1": "n2-standard-8",
},
1,
],
[
{
"aws": [
{
"on_demand_standard_vcpus": 10,
"spot_standard_vcpus": 10,
"region_name": "us-east-1",
}
],
"gcp": {"us-west1": 16}, # us-east1 doesn't exist
"azure": {"uaenorth": 8},
},
{
"azure:uaenorth": "Standard_D2_v5",
"gcp:us-east1": "n2-standard-16",
"aws:us-east-1": "m5.2xlarge",
},
1,
],
[
{
"aws": [
{
"on_demand_standard_vcpus": 20,
"spot_standard_vcpus": 20,
"region_name": "us-east-1",
}
],
"gcp": {"us-east1": 32},
"azure": {"westindia": 16}, # uaenorth doesn't exist
},
{
"azure:uaenorth": "Standard_D2_v5",
"gcp:us-east1": "n2-standard-16",
"aws:us-east-1": "m5.4xlarge",
},
1,
],
]
for test in (no_quota_tests, no_region_tests):
run_quota_tests(test)
def test_fall_back_multiple_limits_and_types():
# Different quota limits
tests = [
[
{
"aws": [
{
"on_demand_standard_vcpus": 5,
"spot_standard_vcpus": 5,
"region_name": "us-east-1",
}
],
"gcp": {"us-east1": 8},
"azure": {"uaenorth": 4},
},
{
"azure:uaenorth": "Standard_D2_v5",
"aws:us-east-1": "m5.xlarge",
"gcp:us-east1": "n2-standard-8",
},
1,
],
[
{
"aws": [
{
"on_demand_standard_vcpus": 10,
"spot_standard_vcpus": 10,
"region_name": "us-east-1",
}
],
"gcp": {"us-east1": 16},
"azure": {"uaenorth": 8},
},
{
"azure:uaenorth": "Standard_D2_v5",
"gcp:us-east1": "n2-standard-16",
"aws:us-east-1": "m5.2xlarge",
},
1,
],
[
{
"aws": [
{
"on_demand_standard_vcpus": 20,
"spot_standard_vcpus": 20,
"region_name": "us-east-1",
}
],
"gcp": {"us-east1": 32},
"azure": {"uaenorth": 16},
},
{
"azure:uaenorth": "Standard_D2_v5",
"gcp:us-east1": "n2-standard-16",
"aws:us-east-1": "m5.4xlarge",
},
1,
],
]
run_quota_tests(tests)