Examples with CommandRetryUtility com.cloud.network.utils.CommandRetryUtility used on opensource projects

Example 16 with CommandRetryUtility

use of com.cloud.network.utils.CommandRetryUtility in project cloudstack by apache.

the class NiciraNvpConfigurePortForwardingRulesCommandWrapper method execute.

@Override
public Answer execute(final ConfigurePortForwardingRulesOnLogicalRouterCommand command, final NiciraNvpResource niciraNvpResource) {
    final NiciraNvpApi niciraNvpApi = niciraNvpResource.getNiciraNvpApi();
    try {
        final List<NatRule> existingRules = niciraNvpApi.findNatRulesByLogicalRouterUuid(command.getLogicalRouterUuid());
        for (final PortForwardingRuleTO rule : command.getRules()) {
            if (rule.isAlreadyAdded() && !rule.revoked()) {
                // Don't need to do anything
                continue;
            }
            if (rule.getDstPortRange()[0] != rule.getDstPortRange()[1] || rule.getSrcPortRange()[0] != rule.getSrcPortRange()[1]) {
                return new ConfigurePortForwardingRulesOnLogicalRouterAnswer(command, false, "Nicira NVP doesn't support port ranges for port forwarding");
            }
            final NatRule[] rulepair = niciraNvpResource.generatePortForwardingRulePair(rule.getDstIp(), rule.getDstPortRange(), rule.getSrcIp(), rule.getSrcPortRange(), rule.getProtocol());
            NatRule incoming = null;
            NatRule outgoing = null;
            for (final NatRule storedRule : existingRules) {
                if (storedRule.equalsIgnoreUuid(rulepair[1])) {
                    // The outgoing rule exists
                    outgoing = storedRule;
                    s_logger.debug("Found matching outgoing rule " + outgoing.getUuid());
                    if (incoming != null) {
                        break;
                    }
                } else if (storedRule.equalsIgnoreUuid(rulepair[0])) {
                    // The incoming rule exists
                    incoming = storedRule;
                    s_logger.debug("Found matching incoming rule " + incoming.getUuid());
                    if (outgoing != null) {
                        break;
                    }
                }
            }
            if (incoming != null && outgoing != null) {
                if (rule.revoked()) {
                    s_logger.debug("Deleting incoming rule " + incoming.getUuid());
                    niciraNvpApi.deleteLogicalRouterNatRule(command.getLogicalRouterUuid(), incoming.getUuid());
                    s_logger.debug("Deleting outgoing rule " + outgoing.getUuid());
                    niciraNvpApi.deleteLogicalRouterNatRule(command.getLogicalRouterUuid(), outgoing.getUuid());
                }
            } else {
                if (rule.revoked()) {
                    s_logger.warn("Tried deleting a rule that does not exist, " + rule.getSrcIp() + " -> " + rule.getDstIp());
                    break;
                }
                rulepair[0] = niciraNvpApi.createLogicalRouterNatRule(command.getLogicalRouterUuid(), rulepair[0]);
                s_logger.debug("Created " + niciraNvpResource.natRuleToString(rulepair[0]));
                try {
                    rulepair[1] = niciraNvpApi.createLogicalRouterNatRule(command.getLogicalRouterUuid(), rulepair[1]);
                    s_logger.debug("Created " + niciraNvpResource.natRuleToString(rulepair[1]));
                } catch (final NiciraNvpApiException ex) {
                    s_logger.warn("NiciraNvpApiException during create call, rolling back previous create");
                    niciraNvpApi.deleteLogicalRouterNatRule(command.getLogicalRouterUuid(), rulepair[0].getUuid());
                    // Rethrow the original exception
                    throw ex;
                }
            }
        }
        return new ConfigurePortForwardingRulesOnLogicalRouterAnswer(command, true, command.getRules().size() + " PortForwarding rules applied");
    } catch (final NiciraNvpApiException e) {
        final CommandRetryUtility retryUtility = niciraNvpResource.getRetryUtility();
        retryUtility.addRetry(command, NUM_RETRIES);
        return retryUtility.retry(command, ConfigurePortForwardingRulesOnLogicalRouterAnswer.class, e);
    }
}

Example 17 with CommandRetryUtility

use of com.cloud.network.utils.CommandRetryUtility in project cloudstack by apache.

the class NiciraNvpConfigureSharedNetworkUuidCommandWrapper method execute.

@Override
public Answer execute(ConfigureSharedNetworkUuidCommand command, NiciraNvpResource niciraNvpResource) {
    final String logicalRouterUuid = command.getLogicalRouterUuid();
    final String logicalSwitchUuid = command.getLogicalSwitchUuid();
    final String portIpAddress = command.getPortIpAddress();
    final List<NiciraNvpTag> tags = new ArrayList<NiciraNvpTag>();
    tags.add(new NiciraNvpTag("cs_account", command.getOwnerName()));
    final long networkId = command.getNetworkId();
    final NiciraNvpApi niciraNvpApi = niciraNvpResource.getNiciraNvpApi();
    s_logger.debug("Attaching Logical Switch " + logicalSwitchUuid + " on Logical Router " + logicalRouterUuid + " for Shared Network " + networkId);
    // Step 1: Get lSwitch displayName
    s_logger.info("Looking for Logical Switch " + logicalSwitchUuid + " display name");
    String logicalSwitchDisplayName;
    try {
        List<LogicalSwitch> lSwitchList = niciraNvpApi.findLogicalSwitch(logicalSwitchUuid);
        if (lSwitchList != null) {
            if (lSwitchList.size() == 1) {
                logicalSwitchDisplayName = lSwitchList.get(0).getDisplayName();
            } else {
                s_logger.error("More than one Logical Switch found with uuid " + logicalSwitchUuid);
                throw new CloudRuntimeException("More than one Logical Switch found with uuid=" + logicalSwitchUuid);
            }
        } else {
            s_logger.error("Logical Switch " + logicalSwitchUuid + " not found");
            throw new CloudRuntimeException("Logical Switch " + logicalSwitchUuid + " not found");
        }
    } catch (NiciraNvpApiException e) {
        s_logger.warn("Logical Switch " + logicalSwitchUuid + " not found, retrying");
        final CommandRetryUtility retryUtility = niciraNvpResource.getRetryUtility();
        retryUtility.addRetry(command, NUM_RETRIES);
        return retryUtility.retry(command, ConfigureSharedNetworkUuidAnswer.class, e);
    } catch (CloudRuntimeException e) {
        s_logger.info("Shared network UUID vlan id failed due to : " + e.getMessage());
        return new ConfigureSharedNetworkUuidAnswer(command, false, e.getMessage());
    }
    s_logger.info("Found display name " + logicalSwitchDisplayName + " for Logical Switch " + logicalSwitchUuid);
    // Step 2: Create lRouterPort
    s_logger.debug("Creating Logical Router Port in Logical Router " + logicalRouterUuid);
    LogicalRouterPort lRouterPort = null;
    try {
        lRouterPort = new LogicalRouterPort();
        lRouterPort.setAdminStatusEnabled(true);
        lRouterPort.setDisplayName(niciraNvpResource.truncate(logicalSwitchDisplayName + "-uplink", NAME_MAX_LEN));
        lRouterPort.setTags(tags);
        final List<String> ipAddresses = new ArrayList<String>();
        ipAddresses.add(portIpAddress);
        lRouterPort.setIpAddresses(ipAddresses);
        lRouterPort = niciraNvpApi.createLogicalRouterPort(logicalRouterUuid, lRouterPort);
    } catch (NiciraNvpApiException e) {
        s_logger.warn("Could not create Logical Router Port on Logical Router " + logicalRouterUuid + " due to: " + e.getMessage() + ", retrying");
        return handleException(e, command, niciraNvpResource);
    }
    s_logger.debug("Logical Router Port " + lRouterPort.getUuid() + " (" + lRouterPort.getDisplayName() + ") successfully created in Logical Router " + logicalRouterUuid);
    // Step 3: Create lSwitchPort
    s_logger.debug("Creating Logical Switch Port in Logical Switch " + logicalSwitchUuid + " (" + logicalSwitchDisplayName + ")");
    LogicalSwitchPort lSwitchPort = null;
    try {
        lSwitchPort = new LogicalSwitchPort(niciraNvpResource.truncate("lrouter-uplink", NAME_MAX_LEN), tags, true);
        lSwitchPort = niciraNvpApi.createLogicalSwitchPort(logicalSwitchUuid, lSwitchPort);
    } catch (NiciraNvpApiException e) {
        s_logger.warn("Could not create Logical Switch Port on Logical Switch " + logicalSwitchUuid + " (" + logicalSwitchDisplayName + ")  due to: " + e.getMessage());
        cleanupLRouterPort(logicalRouterUuid, lRouterPort, niciraNvpApi);
        return handleException(e, command, niciraNvpResource);
    }
    s_logger.debug("Logical Switch Port " + lSwitchPort.getUuid() + " (" + lSwitchPort.getDisplayName() + ") successfully created in Logical Switch " + logicalSwitchUuid + " (" + logicalSwitchDisplayName + ")");
    // Step 4: Attach lRouterPort to lSwitchPort with a PatchAttachment
    s_logger.debug("Attaching Logical Router Port " + lRouterPort.getUuid() + " (" + lRouterPort.getDisplayName() + ") to Logical Switch Port " + lSwitchPort.getUuid() + " (" + lSwitchPort.getDisplayName() + ") with a PatchAttachment");
    try {
        niciraNvpApi.updateLogicalRouterPortAttachment(logicalRouterUuid, lRouterPort.getUuid(), new PatchAttachment(lSwitchPort.getUuid()));
    } catch (NiciraNvpApiException e) {
        s_logger.warn("Could not attach Logical Router Port " + lRouterPort.getUuid() + " (" + lRouterPort.getDisplayName() + ") to Logical Switch Port " + lSwitchPort.getUuid() + " (" + lSwitchPort.getDisplayName() + ") due to: " + e.getMessage() + ", retrying");
        cleanupLRouterPort(logicalRouterUuid, lRouterPort, niciraNvpApi);
        cleanupLSwitchPort(logicalSwitchUuid, lSwitchPort, niciraNvpApi);
        return handleException(e, command, niciraNvpResource);
    }
    s_logger.debug("Logical Router Port " + lRouterPort.getUuid() + " (" + lRouterPort.getDisplayName() + ") successfully attached to to Logical Switch Port " + lSwitchPort.getUuid() + " (" + lSwitchPort.getDisplayName() + ") with a PatchAttachment");
    // Step 5: Attach lSwitchPort to lRouterPort with a PatchAttachment
    s_logger.debug("Attaching Logical Switch Port " + lSwitchPort.getUuid() + " (" + lSwitchPort.getDisplayName() + ") to Logical Router Port " + lRouterPort.getUuid() + " (" + lRouterPort.getDisplayName() + ") with a PatchAttachment");
    try {
        niciraNvpApi.updateLogicalSwitchPortAttachment(logicalSwitchUuid, lSwitchPort.getUuid(), new PatchAttachment(lRouterPort.getUuid()));
    } catch (NiciraNvpApiException e) {
        s_logger.warn("Could not attach Logical Switch Port " + lSwitchPort.getUuid() + " (" + lSwitchPort.getDisplayName() + ") to Logical Router Port " + lRouterPort.getUuid() + " (" + lRouterPort.getDisplayName() + ") due to: " + e.getMessage() + ", retrying");
        cleanupLRouterPort(logicalRouterUuid, lRouterPort, niciraNvpApi);
        cleanupLSwitchPort(logicalSwitchUuid, lSwitchPort, niciraNvpApi);
        return handleException(e, command, niciraNvpResource);
    }
    s_logger.debug("Logical Switch Port " + lSwitchPort.getUuid() + " (" + lSwitchPort.getDisplayName() + ") successfully attached to to Logical Router Port " + lRouterPort.getUuid() + " (" + lRouterPort.getDisplayName() + ") with a PatchAttachment");
    s_logger.info("Successfully attached Logical Switch " + logicalSwitchUuid + " on Logical Router " + logicalRouterUuid + " for Shared Network " + networkId);
    return new ConfigureSharedNetworkUuidAnswer(command, true, "OK");
}

Example 18 with CommandRetryUtility

use of com.cloud.network.utils.CommandRetryUtility in project cloudstack by apache.

the class NiciraNvpConfigureSharedNetworkUuidCommandWrapper method handleException.

private Answer handleException(NiciraNvpApiException e, ConfigureSharedNetworkUuidCommand command, NiciraNvpResource niciraNvpResource) {
    if (HttpStatusCodeHelper.isConflict(e.getErrorCode())) {
        s_logger.warn("There's been a conflict in NSX side, aborting implementation");
        return new ConfigureSharedNetworkUuidAnswer(command, false, "FAILED: There's been a conflict in NSX side");
    } else {
        s_logger.warn("Error code: " + e.getErrorCode() + ", retrying");
        final CommandRetryUtility retryUtility = niciraNvpResource.getRetryUtility();
        retryUtility.addRetry(command, NUM_RETRIES);
        return retryUtility.retry(command, ConfigureSharedNetworkUuidAnswer.class, e);
    }
}

Example 19 with CommandRetryUtility

use of com.cloud.network.utils.CommandRetryUtility in project cloudstack by apache.

the class NiciraNvpConfigureStaticNatRulesCommandWrapper method execute.

@Override
public Answer execute(final ConfigureStaticNatRulesOnLogicalRouterCommand command, final NiciraNvpResource niciraNvpResource) {
    final NiciraNvpApi niciraNvpApi = niciraNvpResource.getNiciraNvpApi();
    try {
        final List<NatRule> existingRules = niciraNvpApi.findNatRulesByLogicalRouterUuid(command.getLogicalRouterUuid());
        for (final StaticNatRuleTO rule : command.getRules()) {
            final NatRule[] rulepair = niciraNvpResource.generateStaticNatRulePair(rule.getDstIp(), rule.getSrcIp());
            NatRule incoming = null;
            NatRule outgoing = null;
            for (final NatRule storedRule : existingRules) {
                if (storedRule.equalsIgnoreUuid(rulepair[1])) {
                    // The outgoing rule exists
                    outgoing = storedRule;
                    s_logger.debug("Found matching outgoing rule " + outgoing.getUuid());
                    if (incoming != null) {
                        break;
                    }
                } else if (storedRule.equalsIgnoreUuid(rulepair[0])) {
                    // The incoming rule exists
                    incoming = storedRule;
                    s_logger.debug("Found matching incoming rule " + incoming.getUuid());
                    if (outgoing != null) {
                        break;
                    }
                }
            }
            if (incoming != null && outgoing != null) {
                if (rule.revoked()) {
                    s_logger.debug("Deleting incoming rule " + incoming.getUuid());
                    niciraNvpApi.deleteLogicalRouterNatRule(command.getLogicalRouterUuid(), incoming.getUuid());
                    s_logger.debug("Deleting outgoing rule " + outgoing.getUuid());
                    niciraNvpApi.deleteLogicalRouterNatRule(command.getLogicalRouterUuid(), outgoing.getUuid());
                }
            } else {
                if (rule.revoked()) {
                    s_logger.warn("Tried deleting a rule that does not exist, " + rule.getSrcIp() + " -> " + rule.getDstIp());
                    break;
                }
                rulepair[0] = niciraNvpApi.createLogicalRouterNatRule(command.getLogicalRouterUuid(), rulepair[0]);
                s_logger.debug("Created " + niciraNvpResource.natRuleToString(rulepair[0]));
                try {
                    rulepair[1] = niciraNvpApi.createLogicalRouterNatRule(command.getLogicalRouterUuid(), rulepair[1]);
                    s_logger.debug("Created " + niciraNvpResource.natRuleToString(rulepair[1]));
                } catch (final NiciraNvpApiException ex) {
                    s_logger.debug("Failed to create SourceNatRule, rolling back DestinationNatRule");
                    niciraNvpApi.deleteLogicalRouterNatRule(command.getLogicalRouterUuid(), rulepair[0].getUuid());
                    // Rethrow original exception
                    throw ex;
                }
            }
        }
        return new ConfigureStaticNatRulesOnLogicalRouterAnswer(command, true, command.getRules().size() + " StaticNat rules applied");
    } catch (final NiciraNvpApiException e) {
        final CommandRetryUtility retryUtility = niciraNvpResource.getRetryUtility();
        retryUtility.addRetry(command, NUM_RETRIES);
        return retryUtility.retry(command, ConfigureStaticNatRulesOnLogicalRouterAnswer.class, e);
    }
}

Example 20 with CommandRetryUtility

use of com.cloud.network.utils.CommandRetryUtility in project cloudstack by apache.

the class NiciraNvpFindL2GatewayServiceCommandWrapper method execute.

@Override
public Answer execute(FindL2GatewayServiceCommand command, NiciraNvpResource niciraNvpResource) {
    final GatewayServiceConfig config = command.getGatewayServiceConfig();
    final String uuid = config.getUuid();
    final String type = config.getType();
    final NiciraNvpApi niciraNvpApi = niciraNvpResource.getNiciraNvpApi();
    s_logger.info("Looking for L2 Gateway Service " + uuid + " of type " + type);
    try {
        List<L2GatewayServiceConfig> lstGW = niciraNvpApi.findL2GatewayServiceByUuidAndType(uuid, type);
        if (lstGW.size() == 0) {
            return new FindL2GatewayServiceAnswer(command, false, "L2 Gateway Service not found", null);
        } else {
            return new FindL2GatewayServiceAnswer(command, true, "L2 Gateway Service " + lstGW.get(0).getDisplayName() + " found", lstGW.get(0).getUuid());
        }
    } catch (NiciraNvpApiException e) {
        s_logger.error("Error finding Gateway Service due to: " + e.getMessage());
        final CommandRetryUtility retryUtility = niciraNvpResource.getRetryUtility();
        retryUtility.addRetry(command, NUM_RETRIES);
        return retryUtility.retry(command, FindL2GatewayServiceAnswer.class, e);
    }
}