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Merge pull request #317 from ederst/os-restrict-fixed-ip-range
OpenStack: Filter fixed IP addresses with CIDR notation
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,66 @@ | ||
/* | ||
Copyright 2022 The Kubernetes Authors. | ||
Licensed under the Apache License, Version 2.0 (the "License"); | ||
you may not use this file except in compliance with the License. | ||
You may obtain a copy of the License at | ||
http://www.apache.org/licenses/LICENSE-2.0 | ||
Unless required by applicable law or agreed to in writing, software | ||
distributed under the License is distributed on an "AS IS" BASIS, | ||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
See the License for the specific language governing permissions and | ||
limitations under the License. | ||
*/ | ||
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package main | ||
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import ( | ||
"fmt" | ||
"net" | ||
"reflect" | ||
"testing" | ||
) | ||
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func getTestData(networkCIDR string, volumeProviderID string) *EtcdManagerOptions { | ||
var o EtcdManagerOptions | ||
o.InitDefaults() | ||
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o.ClusterName = "test" | ||
o.BackupStorePath = "s3://test" | ||
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o.NetworkCIDR = networkCIDR | ||
o.VolumeProviderID = volumeProviderID | ||
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return &o | ||
} | ||
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func assertTestResults(t *testing.T, err error, expected interface{}, actual interface{}) { | ||
if err != nil { | ||
t.Fatalf("unexpected error: %s", err) | ||
} | ||
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if !reflect.DeepEqual(expected, actual) { | ||
t.Fatalf("expected '%+v', but got '%+v'", expected, actual) | ||
} | ||
} | ||
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func TestRunEtcdManagerReturnsNetworkCIDROnlySupportedWithOpenstack(t *testing.T) { | ||
expectedErr := fmt.Errorf("network-cidr is only supported with provider 'openstack'") | ||
o := getTestData("192.168.0.0/16", "aws") | ||
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actualErr := RunEtcdManager(o) | ||
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assertTestResults(t, nil, expectedErr, actualErr) | ||
} | ||
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func TestRunEtcdManagerReturnsErrorOnInvalidCIDR(t *testing.T) { | ||
invalidCIDR := "192.168.0.0/123" | ||
expectedErr := fmt.Errorf("parsing network-cidr: %w", &net.ParseError{Type: "CIDR address", Text: invalidCIDR}) | ||
o := getTestData(invalidCIDR, "openstack") | ||
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actualErr := RunEtcdManager(o) | ||
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assertTestResults(t, nil, expectedErr, actualErr) | ||
} |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,131 @@ | ||
/* | ||
Copyright 2022 The Kubernetes Authors. | ||
Licensed under the Apache License, Version 2.0 (the "License"); | ||
you may not use this file except in compliance with the License. | ||
You may obtain a copy of the License at | ||
http://www.apache.org/licenses/LICENSE-2.0 | ||
Unless required by applicable law or agreed to in writing, software | ||
distributed under the License is distributed on an "AS IS" BASIS, | ||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
See the License for the specific language governing permissions and | ||
limitations under the License. | ||
*/ | ||
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package openstack | ||
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import ( | ||
"fmt" | ||
"net" | ||
"testing" | ||
) | ||
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type TestData struct { | ||
clusterName string | ||
ips []string | ||
addrs map[string]interface{} | ||
} | ||
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func getTestData() *TestData { | ||
ips := []string{ | ||
"10.135.1.1", | ||
"2001:db8::1:0", | ||
"192.168.1.1", | ||
"192.168.2.1", | ||
} | ||
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addrs := map[string]interface{}{ | ||
"test_network_1": []interface{}{ | ||
map[string]interface{}{ | ||
"OS-EXT-IPS-MAC:mac_addr": "00:00:00:00:00:01", | ||
"OS-EXT-IPS:type": "fixed", | ||
"addr": ips[0], | ||
"version": "4", | ||
}, | ||
map[string]interface{}{ | ||
"OS-EXT-IPS-MAC:mac_addr": "00:00:00:00:00:02", | ||
"OS-EXT-IPS:type": "fixed", | ||
"addr": ips[1], | ||
"version": "6", | ||
}, | ||
}, | ||
"test_network_2": []interface{}{ | ||
map[string]interface{}{ | ||
"OS-EXT-IPS-MAC:mac_addr": "00:00:00:00:00:03", | ||
"OS-EXT-IPS:type": "fixed", | ||
"addr": ips[2], | ||
"version": "4", | ||
}, | ||
map[string]interface{}{ | ||
"OS-EXT-IPS-MAC:mac_addr": "00:00:00:00:00:04", | ||
"OS-EXT-IPS:type": "fixed", | ||
"addr": ips[3], | ||
"version": "4", | ||
}, | ||
}, | ||
} | ||
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return &TestData{ | ||
clusterName: "test", | ||
ips: ips, | ||
addrs: addrs, | ||
} | ||
} | ||
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func TestReturnErrorOnEmptyAddresses(t *testing.T) { | ||
td := getTestData() | ||
td.addrs = map[string]interface{}{} | ||
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expectedErr := fmt.Errorf("failed to find Fixed IP address for server %s", td.clusterName) | ||
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_, actualErr := GetServerFixedIP(td.addrs, td.clusterName, nil) | ||
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assertTestResults(t, nil, fmt.Sprintf("%+v", expectedErr), fmt.Sprintf("%+v", actualErr)) | ||
} | ||
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func TestReturnFirstFixedIP(t *testing.T) { | ||
td := getTestData() | ||
expectedIP := td.ips[0] | ||
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actualIP, err := GetServerFixedIP(td.addrs, td.clusterName, nil) | ||
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assertTestResults(t, err, expectedIP, actualIP) | ||
} | ||
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func TestReturnErrorOnNonMatchingCIDR(t *testing.T) { | ||
td := getTestData() | ||
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_, cidr, _ := net.ParseCIDR("172.16.0.0/16") | ||
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expectedErr := fmt.Errorf("failed to find Fixed IP address for server %s", td.clusterName) | ||
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_, actualErr := GetServerFixedIP(td.addrs, td.clusterName, cidr) | ||
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assertTestResults(t, nil, expectedErr, actualErr) | ||
} | ||
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func TestReturnFirstIPv4MatchingCIDR(t *testing.T) { | ||
td := getTestData() | ||
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_, cidr, _ := net.ParseCIDR("192.168.2.0/24") | ||
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expectedIP := td.ips[3] | ||
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actualIP, err := GetServerFixedIP(td.addrs, td.clusterName, cidr) | ||
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assertTestResults(t, err, expectedIP, actualIP) | ||
} | ||
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func TestReturnFirstIPv6MatchingCIDR(t *testing.T) { | ||
td := getTestData() | ||
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_, cidr, _ := net.ParseCIDR("2001:db8::/64") | ||
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expectedIP := td.ips[1] | ||
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actualIP, err := GetServerFixedIP(td.addrs, td.clusterName, cidr) | ||
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assertTestResults(t, err, expectedIP, actualIP) | ||
} |
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