Examples with StoragePortsAllocator com.emc.storageos.volumecontroller.placement.StoragePortsAllocator used on opensource projects

Example 1 with StoragePortsAllocator

use of com.emc.storageos.volumecontroller.placement.StoragePortsAllocator in project coprhd-controller by CoprHD.

the class VplexCinderMaskingOrchestrator method getPortGroups.

@Override
public Set<Map<URI, List<List<StoragePort>>>> getPortGroups(Map<URI, List<StoragePort>> allocatablePorts, Map<URI, NetworkLite> networkMap, URI varrayURI, int nInitiatorGroups, Map<URI, Map<String, Integer>> switchToPortNumber, Map<URI, PortAllocationContext> contextMap, StringBuilder errorMessages) {
    _log.debug("START - getPortGroups");
    Set<Map<URI, List<List<StoragePort>>>> portGroups = new HashSet<Map<URI, List<List<StoragePort>>>>();
    Map<URI, Integer> portsAllocatedPerNetwork = new HashMap<URI, Integer>();
    // Port Group is always 1 for Cinder as of now.
    for (URI netURI : allocatablePorts.keySet()) {
        Integer nports = allocatablePorts.get(netURI).size() / CINDER_NUM_PORT_GROUP;
        portsAllocatedPerNetwork.put(netURI, nports);
    }
    StoragePortsAllocator allocator = new StoragePortsAllocator();
    for (int i = 0; i < CINDER_NUM_PORT_GROUP; i++) {
        Map<URI, List<List<StoragePort>>> portGroup = new HashMap<URI, List<List<StoragePort>>>();
        StringSet portNames = new StringSet();
        for (URI netURI : allocatablePorts.keySet()) {
            NetworkLite net = networkMap.get(netURI);
            Map<String, Integer> switchCountMap = null;
            if (switchToPortNumber != null) {
                switchCountMap = switchToPortNumber.get(netURI);
            }
            PortAllocationContext context = null;
            if (contextMap != null) {
                context = contextMap.get(netURI);
            }
            List<StoragePort> allocatedPorts = allocatePorts(allocator, allocatablePorts.get(netURI), portsAllocatedPerNetwork.get(netURI), net, varrayURI, switchCountMap, context);
            if (portGroup.get(netURI) == null) {
                portGroup.put(netURI, new ArrayList<List<StoragePort>>());
            }
            portGroup.get(netURI).add(allocatedPorts);
            allocatablePorts.get(netURI).removeAll(allocatedPorts);
            for (StoragePort port : allocatedPorts) {
                portNames.add(port.getPortName());
            }
        }
        portGroups.add(portGroup);
        _log.info(String.format("Port Group %d: port names in the port group {%s}", i, portNames.toString()));
    }
    _log.debug("END - getPortGroups");
    return portGroups;
}

Example 2 with StoragePortsAllocator

use of com.emc.storageos.volumecontroller.placement.StoragePortsAllocator in project coprhd-controller by CoprHD.

the class VplexXtremIOMaskingOrchestrator method getPortGroups.

@Override
public Set<Map<URI, List<List<StoragePort>>>> getPortGroups(Map<URI, List<StoragePort>> allocatablePorts, Map<URI, NetworkLite> networkMap, URI varrayURI, int nInitiatorGroups, Map<URI, Map<String, Integer>> switchToPortNumber, Map<URI, PortAllocationContext> contextMap, StringBuilder errorMessages) {
    /**
     * Number of Port Group for XtremIO is always one.
     * - If multiple port groups, each VPLEX Director's initiators will be mapped to multiple ports
     *
     * Single Port Group contains different set of storage ports for each network,
     * so that each VPLEX director's initiators will map to different port set.
     *
     * why allocatePorts() not required:
     * allocatePorts() would return required number of storage ports from a network from unique X-bricks.
     * But we need to select storage ports uniquely across X-bricks & StorageControllers and we need
     * to make use of all storage ports.
     */
    Set<Map<URI, List<List<StoragePort>>>> portGroups = new HashSet<Map<URI, List<List<StoragePort>>>>();
    StringSet netNames = new StringSet();
    // Order the networks from those with fewest ports to those with the most ports.
    List<URI> orderedNetworks = orderNetworksByNumberOfPorts(allocatablePorts);
    for (URI networkURI : orderedNetworks) {
        netNames.add(networkMap.get(networkURI).getLabel());
    }
    _log.info("Calculating PortGroups for Networks: {}", netNames.toString());
    StoragePortsAllocator allocator = new StoragePortsAllocator();
    // Determine if we should check connectivity from the varray.auto_san_zoning
    boolean sanZoningEnabled = false;
    if (!simulation) {
        VirtualArray varray = _dbClient.queryObject(VirtualArray.class, varrayURI);
        if (varray != null && NetworkScheduler.isZoningRequired(_dbClient, varray)) {
            sanZoningEnabled = true;
        }
    }
    /**
     * Till all storage ports been processed:
     * -- get a set of 4 storage ports selected equally across networks
     * -- add this set into network to port List map (each port set within a network will be mapped for different
     * directors)
     */
    Map<URI, List<List<StoragePort>>> useablePorts = new HashMap<URI, List<List<StoragePort>>>();
    Set<String> usedPorts = new HashSet<String>();
    // map of selected X-brick to Storage Controllers across all networks
    Map<String, List<String>> xBricksToSelectedSCs = new HashMap<String, List<String>>();
    // map of network to selected X-bricks
    Map<URI, List<String>> networkToSelectedXbricks = new HashMap<URI, List<String>>();
    do {
        Map<URI, List<StoragePort>> useablePortsSet = getUsablePortsSet(allocatablePorts, orderedNetworks, usedPorts, xBricksToSelectedSCs, networkToSelectedXbricks, networkMap, allocator, sanZoningEnabled, switchToPortNumber, contextMap);
        if (useablePortsSet == null) {
            // if requirement not satisfied
            break;
        }
        for (URI networkURI : useablePortsSet.keySet()) {
            if (!useablePorts.containsKey(networkURI)) {
                useablePorts.put(networkURI, new ArrayList<List<StoragePort>>());
            }
            useablePorts.get(networkURI).add(useablePortsSet.get(networkURI));
        }
    } while (!isAllPortsLooped(orderedNetworks, allocatablePorts, usedPorts));
    int numPG = XTREMIO_NUM_PORT_GROUP;
    _log.info(String.format("Number of Port Groups: %d", numPG));
    portGroups.add(useablePorts);
    _log.info("Selected network to ports set: {}", useablePorts.entrySet());
    // get number of X-bricks from selected ports
    xtremIOXbricksCount = getXbricksCount(useablePorts);
    return portGroups;
}

Example 3 with StoragePortsAllocator

use of com.emc.storageos.volumecontroller.placement.StoragePortsAllocator in project coprhd-controller by CoprHD.

the class VPlexHDSMaskingOrchestrator method getPortGroups.

@Override
public Set<Map<URI, List<List<StoragePort>>>> getPortGroups(Map<URI, List<StoragePort>> allocatablePorts, Map<URI, NetworkLite> networkMap, URI varrayURI, int nInitiatorGroups, Map<URI, Map<String, Integer>> switchToPortNumber, Map<URI, PortAllocationContext> contextMap, StringBuilder errorMessages) {
    Set<Map<URI, List<List<StoragePort>>>> portGroups = new HashSet<Map<URI, List<List<StoragePort>>>>();
    // Group the networks into sets based on the number of ports they have.
    StringSet netNames = new StringSet();
    Map<Integer, Set<URI>> numPortsToNetworkSet = new HashMap<Integer, Set<URI>>();
    for (URI networkURI : allocatablePorts.keySet()) {
        int numPorts = allocatablePorts.get(networkURI).size();
        if (numPorts > MAX_PORTS_PER_NETWORK) {
            numPorts = MAX_PORTS_PER_NETWORK;
        }
        if (numPortsToNetworkSet.get(numPorts) == null) {
            numPortsToNetworkSet.put(Integer.valueOf(numPorts), new HashSet<URI>());
        }
        numPortsToNetworkSet.get(Integer.valueOf(numPorts)).add(networkURI);
        netNames.add(networkMap.get(networkURI).getLabel());
    }
    _log.info("Calculating PortGroups for Networks %s: " + netNames.toString());
    // Eliminate ports from the same cpus, which are in the same portGroup.
    // This is to avoid the 4096 LUN limit per cpu.
    // Start with networks with fewest ports and work up. THis is because
    // in the case of duplicate us of a cpu by two ports, we want to eliminate
    // the port in the Network containing the most ports. So by starting with
    // the Network with the fewest ports to populate the cpusUsed set, we will
    // end up eliminating the port that is in the Network with a higher number of
    // ports.
    Set<String> cpusUsed = new HashSet<String>();
    for (Integer numPorts = 1; numPorts < MAX_PORTS_PER_NETWORK; numPorts++) {
        Set<URI> networkURIs = numPortsToNetworkSet.get(numPorts);
        if (networkURIs == null) {
            continue;
        }
        for (URI networkURI : networkURIs) {
            List<StoragePort> nonConflictedPorts = new ArrayList<StoragePort>();
            for (StoragePort port : allocatablePorts.get(networkURI)) {
                if (!cpusUsed.contains(port.getPortGroup())) {
                    cpusUsed.add(port.getPortGroup());
                    nonConflictedPorts.add(port);
                } else {
                    _log.info(String.format("Eliminating port %s because cpu already used", port.getPortName()));
                }
            }
            allocatablePorts.put(networkURI, nonConflictedPorts);
        }
    }
    // Determine the network with the lowest number of allocatable ports.
    int minPorts = Integer.MAX_VALUE;
    for (URI networkURI : allocatablePorts.keySet()) {
        int numPorts = allocatablePorts.get(networkURI).size();
        if (numPorts > MAX_PORTS_PER_NETWORK) {
            numPorts = MAX_PORTS_PER_NETWORK;
        }
        if (numPorts < minPorts) {
            minPorts = numPorts;
        }
    }
    // Figure out the number of ports in each network per port group (PG).
    // Then figure out the number of port groups to be generated.
    // HEURISTIC:
    // 1-3 ports, use 1 port per MV, unless there's only one Network, then use 2.
    // If it has 8 or more ports, use 2 ports per network, 4 for MV.
    // If it has 18 or more ports, use 3 ports per network, 6 per MV.
    // oneNetwork indicates if there is only one Network available.
    // portsPerPG is the number of ports to be allocated per PortGroup from the
    // network with the fewest ports.
    // numPG is the number of Port Groups that will be configured.
    boolean oneNetwork = allocatablePorts.keySet().size() == 1;
    int portsPerPG = oneNetwork ? 2 : 1;
    if (minPorts >= 8) {
        portsPerPG = 2;
    }
    if (minPorts >= 18) {
        portsPerPG = 3;
    }
    int numPG = minPorts / portsPerPG;
    if (numPG == 0) {
        return portGroups;
    }
    _log.info(String.format("Number Port Groups %d Per Network Ports Per Group %d", numPG, portsPerPG));
    // Make a map per Network of number of ports to allocate.
    Map<URI, Integer> portsAllocatedPerNetwork = new HashMap<URI, Integer>();
    for (URI netURI : allocatablePorts.keySet()) {
        Integer nports = allocatablePorts.get(netURI).size() / numPG;
        // ports from the network with the fewest ports, i.e. do not exceed 2x portsPerPG.
        if (nports > (2 * portsPerPG)) {
            nports = 2 * portsPerPG;
        }
        portsAllocatedPerNetwork.put(netURI, nports);
    }
    // Now call the StoragePortsAllocator for each Network, assigning required number of ports.
    StoragePortsAllocator allocator = new StoragePortsAllocator();
    for (int i = 0; i < numPG; i++) {
        Map<URI, List<List<StoragePort>>> portGroup = new HashMap<URI, List<List<StoragePort>>>();
        StringSet portNames = new StringSet();
        for (URI netURI : allocatablePorts.keySet()) {
            NetworkLite net = networkMap.get(netURI);
            Map<String, Integer> switchCountMap = null;
            if (switchToPortNumber != null) {
                switchCountMap = switchToPortNumber.get(netURI);
            }
            PortAllocationContext context = null;
            if (contextMap != null) {
                context = contextMap.get(netURI);
            }
            List<StoragePort> allocatedPorts = allocatePorts(allocator, allocatablePorts.get(netURI), portsAllocatedPerNetwork.get(netURI), net, varrayURI, switchCountMap, context);
            if (portGroup.get(netURI) == null) {
                portGroup.put(netURI, new ArrayList<List<StoragePort>>());
            }
            portGroup.get(netURI).add(allocatedPorts);
            allocatablePorts.get(netURI).removeAll(allocatedPorts);
            for (StoragePort port : allocatedPorts) {
                portNames.add(port.getPortName());
            }
        }
        portGroups.add(portGroup);
        _log.info(String.format("Port Group %d: %s", i, portNames.toString()));
        // Reinitialize the context in the allocator; we want redundancy within PG
        if (allocator.getContext() != null) {
            allocator.getContext().reinitialize();
        }
    }
    return portGroups;
}

Example 4 with StoragePortsAllocator

use of com.emc.storageos.volumecontroller.placement.StoragePortsAllocator in project coprhd-controller by CoprHD.

the class VPlexVnxMaskingOrchestrator method getPortGroups.

/**
 * Returns the set of port groups that should be used.
 * Each port group is a map of Network to a list of Storage Ports in that Network.
 * Since at most we can construct two InitiatorGroups, we try to construct
 * two PortGroups.
 *
 * @return Sets of PortGroups, where each Port Group is a map of Network URI
 *         to a List of Storage Ports.
 */
@Override
public Set<Map<URI, List<List<StoragePort>>>> getPortGroups(Map<URI, List<StoragePort>> allocatablePorts, Map<URI, NetworkLite> networkMap, URI varrayURI, int nInitiatorGroups, Map<URI, Map<String, Integer>> switchToPortNumber, Map<URI, PortAllocationContext> contextMap, StringBuilder errorMessages) {
    Set<Map<URI, List<List<StoragePort>>>> portGroups = new HashSet<Map<URI, List<List<StoragePort>>>>();
    // Determine the network with the fewest ports. It will determine how many
    // port groups can be made.
    int minPorts = Integer.MAX_VALUE;
    for (URI networkURI : allocatablePorts.keySet()) {
        int numPorts = allocatablePorts.get(networkURI).size();
        if (numPorts < minPorts) {
            minPorts = numPorts;
        }
    }
    // Figure out the number of ports in each network per port group (PG).
    // Then figure out the number of port groups to be generated,
    // which will always be one or two.
    boolean oneNetwork = allocatablePorts.keySet().size() == 1;
    int numPG = 1;
    if (nInitiatorGroups == 2 && minPorts >= 2 && !oneNetwork) {
        numPG = 2;
    }
    if (numPG == 0) {
        return portGroups;
    }
    _log.info(String.format("Number Port Groups %d", numPG));
    // Make a map per Network of number of ports to allocate.
    Map<URI, Integer> portsAllocatedPerNetwork = new HashMap<URI, Integer>();
    for (URI netURI : allocatablePorts.keySet()) {
        // Calculate the number of ports to be allocated for this net. It is:
        // the number of allocatable ports / numPG.
        Integer nports = allocatablePorts.get(netURI).size() / numPG;
        portsAllocatedPerNetwork.put(netURI, nports);
    }
    StoragePortsAllocator allocator = new StoragePortsAllocator();
    for (int i = 0; i < numPG; i++) {
        Map<URI, List<List<StoragePort>>> portGroup = new HashMap<URI, List<List<StoragePort>>>();
        StringSet portNames = new StringSet();
        for (URI netURI : allocatablePorts.keySet()) {
            NetworkLite net = networkMap.get(netURI);
            Map<String, Integer> switchCountMap = null;
            if (switchToPortNumber != null) {
                switchCountMap = switchToPortNumber.get(netURI);
            }
            PortAllocationContext context = null;
            if (contextMap != null) {
                context = contextMap.get(netURI);
            }
            List<StoragePort> allocatedPorts = allocatePorts(allocator, allocatablePorts.get(netURI), portsAllocatedPerNetwork.get(netURI), net, varrayURI, switchCountMap, context);
            if (portGroup.get(netURI) == null) {
                portGroup.put(netURI, new ArrayList<List<StoragePort>>());
            }
            portGroup.get(netURI).add(allocatedPorts);
            allocatablePorts.get(netURI).removeAll(allocatedPorts);
            for (StoragePort port : allocatedPorts) {
                portNames.add(port.getPortName());
            }
        }
        portGroups.add(portGroup);
        _log.info(String.format("Port Group %d: %s", i, portNames.toString()));
        // Reinitialize the context in the allocator; we want redundancy within PG
        if (allocator.getContext() != null) {
            allocator.getContext().reinitialize();
        }
    }
    return portGroups;
}

Example 5 with StoragePortsAllocator

use of com.emc.storageos.volumecontroller.placement.StoragePortsAllocator in project coprhd-controller by CoprHD.

the class VPlexVmaxMaskingOrchestrator method getPortGroups.

@Override
public Set<Map<URI, List<List<StoragePort>>>> getPortGroups(Map<URI, List<StoragePort>> allocatablePorts, Map<URI, NetworkLite> networkMap, URI varrayURI, int nInitiatorGroups, Map<URI, Map<String, Integer>> switchToPortNumber, Map<URI, PortAllocationContext> contextMap, StringBuilder errorMessages) {
    Set<Map<URI, List<List<StoragePort>>>> portGroups = new HashSet<Map<URI, List<List<StoragePort>>>>();
    StringSet netNames = new StringSet();
    // Order the networks from those with fewest ports to those with the most ports.
    List<URI> orderedNetworks = orderNetworksByNumberOfPorts(allocatablePorts);
    for (URI networkURI : orderedNetworks) {
        netNames.add(networkMap.get(networkURI).getLabel());
    }
    _log.info("Calculating PortGroups for Networks: " + netNames.toString());
    Set<String> cpusUsed = new HashSet<String>();
    Map<URI, List<StoragePort>> useablePorts = new HashMap<URI, List<StoragePort>>();
    Set<String> eliminatedPorts = new HashSet<String>();
    Set<String> usedPorts = new HashSet<String>();
    // Eliminate ports from the same cpus, which are in the same portGroup.
    // This is to avoid the 4096 LUN limit per cpu.
    // Cycle through the networks, picking ports that can be used while considering cpus.
    // Pick one port from each network, then cycle through them again.
    boolean portWasPicked;
    do {
        portWasPicked = false;
        for (URI networkURI : orderedNetworks) {
            if (!useablePorts.containsKey(networkURI)) {
                useablePorts.put(networkURI, new ArrayList<StoragePort>());
            }
            // Pick a port if possible
            for (StoragePort port : allocatablePorts.get(networkURI)) {
                // Do not choose a port that has already been chosen
                if (usedPorts.contains(port.getPortName())) {
                    continue;
                }
                if (!cpusUsed.contains(port.getPortGroup())) {
                    // Choose this port, it has a new cpu.
                    cpusUsed.add(port.getPortGroup());
                    usedPorts.add(port.getPortName());
                    useablePorts.get(networkURI).add(port);
                    portWasPicked = true;
                    break;
                } else {
                    // This port shares a cpu, don't choose it.
                    eliminatedPorts.add(port.getPortName());
                }
            }
        }
    } while (portWasPicked);
    // If all networks have some ports remaining, use the filtered ports.
    // If not, emit a warning and do not use the filtered port configuration.
    boolean useFilteredPorts = true;
    for (URI networkURI : orderedNetworks) {
        if (useablePorts.get(networkURI).isEmpty()) {
            useFilteredPorts = false;
            break;
        }
    }
    if (useFilteredPorts) {
        String message = String.format("Ports successfully selected are %s. Ports eliminated because of sharing a cpu with an already-selected port are %s.", usedPorts.toString(), eliminatedPorts.toString());
        _log.info(message);
        if (errorMessages != null) {
            errorMessages.append(message);
        }
        allocatablePorts = useablePorts;
    } else {
        _log.info("Some networks have zero remaining ports after cpu filtering, will use duplicate ports on some cpus. " + "This is not a recommended configuration.");
    }
    // Determine the network with the lowest number of allocatable ports.
    int minPorts = Integer.MAX_VALUE;
    for (URI networkURI : allocatablePorts.keySet()) {
        int numPorts = allocatablePorts.get(networkURI).size();
        if (numPorts > MAX_PORTS_PER_NETWORK) {
            numPorts = MAX_PORTS_PER_NETWORK;
        }
        if (numPorts < minPorts) {
            minPorts = numPorts;
        }
    }
    // Figure out the number of ports in each network per port group (PG).
    // Then figure out the number of port groups to be generated.
    // HEURISTIC:
    // If the smallest network has 1 port, then allow 1 port per Network unless there's only 1 Network.
    // If there is only one network, require two ports per network in the Port Group.
    // If it has 2 or more ports per network, use 2 ports per network per MV.
    // If there are one or two networks, if it has 9 or more ports, use 3 ports per network per MV.
    // If there are one or two networks, if it has 16 or more ports, use 4 ports per network per MV.
    // oneNetwork indicates if there is only one Network available.
    // portsPerPG is the number of ports to be allocated per PortGroup from the
    // network with the fewest ports.
    // numPG is the number of Port Groups that will be configured.
    boolean oneNetwork = allocatablePorts.keySet().size() == 1;
    boolean moreThanTwoNetworks = allocatablePorts.keySet().size() > 2;
    int portsPerNetPerPG = oneNetwork ? 2 : 1;
    // But if "morePortGroups" is set, will make additional portGroups if there are fewer ports.
    if (morePortGroups) {
        // This can be set true for testing environments
        if (minPorts >= 4) {
            // Makes at least two Port Groups if there are two ports
            portsPerNetPerPG = 2;
        }
    } else {
        if (minPorts >= 2) {
            // Default is to require at least two ports per Port Group
            portsPerNetPerPG = 2;
        }
    }
    if (!moreThanTwoNetworks) {
        if (minPorts >= 9) {
            portsPerNetPerPG = 3;
        }
        if (minPorts >= 16) {
            portsPerNetPerPG = 4;
        }
    }
    int numPG = minPorts / portsPerNetPerPG;
    String message = String.format("Min Ports: %d. Number Port Groups: %d. Ports Per Network Per Port Group: %d.", minPorts, numPG, portsPerNetPerPG);
    _log.info(message);
    if (errorMessages != null) {
        errorMessages.append(message);
    }
    if (numPG == 0) {
        return portGroups;
    }
    // Make a map per Network of number of ports to allocate.
    Map<URI, Integer> portsAllocatedPerNetwork = new HashMap<URI, Integer>();
    for (URI netURI : allocatablePorts.keySet()) {
        Integer nports = allocatablePorts.get(netURI).size() / numPG;
        // ports from the network with the fewest ports, i.e. do not exceed 2x portsPerPG.
        if (nports > (2 * portsPerNetPerPG)) {
            nports = 2 * portsPerNetPerPG;
        }
        portsAllocatedPerNetwork.put(netURI, nports);
    }
    // Now call the StoragePortsAllocator for each Network, assigning required number of ports.
    StoragePortsAllocator allocator = new StoragePortsAllocator();
    for (int i = 0; i < numPG; i++) {
        Map<URI, List<List<StoragePort>>> portGroup = new HashMap<URI, List<List<StoragePort>>>();
        StringSet portNames = new StringSet();
        for (URI netURI : allocatablePorts.keySet()) {
            NetworkLite net = networkMap.get(netURI);
            Map<String, Integer> switchCountMap = null;
            if (switchToPortNumber != null) {
                switchCountMap = switchToPortNumber.get(netURI);
            }
            PortAllocationContext context = null;
            if (contextMap != null) {
                context = contextMap.get(netURI);
            }
            List<StoragePort> allocatedPorts = allocatePorts(allocator, allocatablePorts.get(netURI), portsAllocatedPerNetwork.get(netURI), net, varrayURI, switchCountMap, context);
            if (portGroup.get(netURI) == null) {
                portGroup.put(netURI, new ArrayList<List<StoragePort>>());
            }
            portGroup.get(netURI).add(allocatedPorts);
            allocatablePorts.get(netURI).removeAll(allocatedPorts);
            for (StoragePort port : allocatedPorts) {
                portNames.add(port.getPortName());
            }
        }
        portGroups.add(portGroup);
        _log.info(String.format("Port Group %d: %s", i, portNames.toString()));
        // Reinitialize the context in the allocator; we want redundancy within PG
        if (allocator.getContext() != null) {
            allocator.getContext().reinitialize();
        }
    }
    return portGroups;
}