ForTest constructs a DataSource to be used in tests
(params *ForTestParams)
| 49 | |
| 50 | // ForTest constructs a DataSource to be used in tests |
| 51 | func ForTest(params *ForTestParams) (DataSource, error) { |
| 52 | var err error |
| 53 | |
| 54 | leaseStart := net.ParseIP(forTestDefaultLeaseStart) |
| 55 | leaseRange := forTestDefaultLeaseRange |
| 56 | workspacePath := forTestDefaultWorkspacePath |
| 57 | listenIF := "lo" |
| 58 | dnsIPStrings := strings.Split(forTestDNSIPStrings, ",") |
| 59 | |
| 60 | if params != nil { |
| 61 | if params.leaseStart != nil { |
| 62 | leaseStart = *params.leaseStart |
| 63 | } |
| 64 | if params.leaseRange != nil { |
| 65 | leaseRange = *params.leaseRange |
| 66 | } |
| 67 | if params.workspacePath != nil { |
| 68 | workspacePath = *params.workspacePath |
| 69 | } |
| 70 | if params.listenIF != nil { |
| 71 | listenIF = *params.listenIF |
| 72 | } |
| 73 | if params.dnsIPStrings != nil { |
| 74 | dnsIPStrings = *params.dnsIPStrings |
| 75 | } |
| 76 | } |
| 77 | |
| 78 | // For tests to be safe for parallel execution |
| 79 | forTestLock.Lock() |
| 80 | clusterNameFlag := fmt.Sprintf("blacksmith-%04d", forTestIndex) |
| 81 | forTestIndex++ |
| 82 | forTestLock.Unlock() |
| 83 | |
| 84 | var dhcpIF *net.Interface |
| 85 | dhcpIF, err = net.InterfaceByName(listenIF) |
| 86 | if err != nil { |
| 87 | return nil, |
| 88 | fmt.Errorf("error while trying to get the interface (%s): %s", listenIF, err) |
| 89 | } |
| 90 | |
| 91 | serverIP := net.IPv4(127, 0, 0, 1) |
| 92 | |
| 93 | etcdClient, err := etcdClietForTest() |
| 94 | |
| 95 | if err != nil { |
| 96 | return nil, fmt.Errorf("etcd instance not found: %s", err) |
| 97 | } |
| 98 | |
| 99 | kapi := etcd.NewKeysAPI(etcdClient) |
| 100 | |
| 101 | ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second) |
| 102 | defer cancel() |
| 103 | _, err = kapi.Delete(ctx, clusterNameFlag, |
| 104 | &etcd.DeleteOptions{Dir: true, Recursive: true}) |
| 105 | if err != nil && !etcd.IsKeyNotFound(err) { |
| 106 | return nil, fmt.Errorf("error while purging previous data from etcd: %s", err) |
| 107 | } |
| 108 |