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configenvhelper.cpp
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configenvhelper.cpp
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/*##############################################################################
HPCC SYSTEMS software Copyright (C) 2012 HPCC Systems.
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.
############################################################################## */
#include "jliball.hpp"
#include "environment.hpp"
#include "XMLTags.h"
#include "configenvhelper.hpp"
#include "deployutils.hpp"
#include "build-config.h"
bool CConfigEnvHelper::handleRoxieOperation(const char* cmd, const char* xmlStr)
{
bool retVal = false;
if (!strcmp(cmd, "AddRoxieFarm"))
retVal = this->addRoxieServers(xmlStr);
else if (!strcmp(cmd, "DeleteRoxieFarm"))
retVal = this->deleteRoxieServers(xmlStr);
else if (!strcmp(cmd, "RoxieSlaveConfig"))
retVal = this->handleRoxieSlaveConfig(xmlStr);
else if (!strcmp(cmd, "ReplaceRoxieServer"))
retVal = this->handleReplaceRoxieServer(xmlStr);
return retVal;
}
bool CConfigEnvHelper::handleThorTopologyOp(const char* cmd, const char* xmlArg, StringBuffer& sMsg)
{
bool retVal = false;
StringBuffer xpath;
Owned<IPropertyTree> pParams = createPTreeFromXMLString(xmlArg && *xmlArg ? xmlArg : "<ThorData/>");
const char* thorName = pParams->queryProp(XML_ATTR_NAME);
const char* newType = pParams->queryProp(XML_ATTR_TYPE);
const char* validate = pParams->queryProp("@validateComputers");
const char* skip = pParams->queryProp("@skipExisting");
const char* slavesPerNode = pParams->queryProp("@slavesPerNode");
bool checkComps = validate && !strcmp(validate, "true");
bool skipExisting = skip && !strcmp(skip, "true");
IPropertyTree* pThor = getSoftwareNode(XML_TAG_THORCLUSTER, thorName);
StringBuffer usageList;
if (!strcmp(cmd, "Add"))
{
Owned<IPropertyTreeIterator> iterComputers = pParams->getElements("Computer");
IPropertyTreePtrArray computers;
ForEach (*iterComputers)
{
IPropertyTree* pComp = &iterComputers->query();
const char* pszCompName = pComp->queryProp(XML_ATTR_NAME);
xpath.clear().appendf(XML_TAG_HARDWARE"/"XML_TAG_COMPUTER"/["XML_ATTR_NAME"='%s']", pszCompName);
IPropertyTree* pComputer = m_pRoot->queryPropTree(xpath.str());
if (pComputer)
computers.push_back(pComputer);
}
if (!strcmp(newType, "Master") && computers.size() != 1)
throw MakeStringException(-1, "Thor cannot have more than one master. Please choose one computer only!");
int numNodes = 1;
if (slavesPerNode && *slavesPerNode)
numNodes = atoi(slavesPerNode);
if (numNodes < 1)
numNodes = 1;
pThor->setPropInt("@slavesPerNode", numNodes);
if (!strcmp(newType, "Master"))
retVal = this->AddNewNodes(pThor, XML_TAG_THORMASTERPROCESS, 0, computers, checkComps, skipExisting, usageList);
else if (!strcmp(newType, "Slave"))
retVal = this->AddNewNodes(pThor, XML_TAG_THORSLAVEPROCESS, 0, computers, checkComps, skipExisting, usageList);
else if (!strcmp(newType, "Spare"))
retVal = this->AddNewNodes(pThor, XML_TAG_THORSPAREPROCESS, 0, computers, checkComps, skipExisting, usageList);
if (usageList.length() > 0)
{
sMsg.append("The following computers are already being used.\nDo you want to add/replace them anyway?");
sMsg.append(usageList);
}
}
else if (!strcmp(cmd, "Delete"))
{
Owned<IPropertyTreeIterator> iterComputers = pParams->getElements("Node");
ForEach (*iterComputers)
{
IPropertyTree* pComp = &iterComputers->query();
const char* process = pComp->queryProp(XML_ATTR_PROCESS_NAME);
const char* type = pComp->queryProp(XML_ATTR_TYPE);
// Delete process node
IPropertyTree* pProcessNode = GetProcessNode(pThor, process);
if (pProcessNode)
pThor->removeTree(pProcessNode);
//Remove all slaves from thor
if (!strcmp(type, "Master"))
pThor->removeProp(XML_TAG_THORSLAVEPROCESS);
}
RenameThorInstances(pThor);
UpdateThorAttributes(pThor);
retVal = true;
}
return retVal;
}
IPropertyTree* CConfigEnvHelper::getSoftwareNode(const char* compType, const char* compName)
{
StringBuffer xpath;
xpath.appendf("Software/%s[@name='%s']", compType, compName);
return m_pRoot->queryPropTree(xpath.str());
}
bool CConfigEnvHelper::addRoxieServers(const char* xmlArg)
{
Owned<IPropertyTree> pSrcTree = createPTreeFromXMLString(xmlArg && *xmlArg ? xmlArg : "<RoxieData/>");
const char* pszFarm = pSrcTree->queryProp("@parentName");
const char* pszRoxieCluster = pSrcTree->queryProp("@roxieName");
unsigned int nComputers = 0;//computers.size();
IPropertyTree* pParent = m_pRoot->queryPropTree("Software");
IPropertyTree* pFarm;
bool bNewFarm;
StringBuffer sFarmName;
StringBuffer xpath;
if (strlen(pszFarm))
{
xpath.clear().appendf("RoxieCluster[@name='%s']/"XML_TAG_ROXIE_FARM, pszRoxieCluster);
pFarm = getSoftwareNode(xpath.str(), pszFarm);
sFarmName = pFarm->queryProp(XML_ATTR_NAME);
bNewFarm = false;
if (!pFarm->hasProp("@port"))
pFarm->addPropInt("@port", 9876);
if (!pFarm->hasProp("@listenQueue"))
pFarm->addPropInt("@listenQueue", 200);
if (!pFarm->hasProp("@numThreads"))
pFarm->getPropInt("@numThreads", 30);
if (!pFarm->hasProp("@requestArrayThreads"))
pFarm->addPropInt("@requestArrayThreads", 5);
if (!pFarm->hasProp("@aclName"))
pFarm->addProp("@aclName", "");
StringBuffer dataDir = pFarm->queryProp(XML_ATTR_DATADIRECTORY);
if (dataDir.length()==0)
dataDir.append(RUNTIME_DIR"/roxiedata");
if (!pFarm->queryPropTree(XML_TAG_ROXIE_SERVER"[1]")) //no servers in farm
{
//if (nComputers > 0)
//g_pDocument->makePlatformSpecificAbsolutePath(computers[0]->queryProp(XML_ATTR_NAME), dataDir);
Owned<IPropertyTreeIterator> iter = pSrcTree->getElements(XML_TAG_COMPONENT);
ForEach (*iter)
{
IPropertyTree* pFolder = &iter->query();
makePlatformSpecificAbsolutePath(pFolder->queryProp(XML_ATTR_NAME), dataDir);
break;
}
pFarm->setProp(XML_ATTR_DATADIRECTORY, dataDir.str());
}
}
else
{
xpath.clear().appendf("RoxieCluster[@name='%s']/"XML_TAG_ROXIE_FARM, pszRoxieCluster);
createUniqueName("farm", xpath.str(), sFarmName);
bNewFarm = true;
StringBuffer sDataDir;
sDataDir.append(RUNTIME_DIR"/roxiedata");
//get datadir from existing farm if any
xpath.clear().appendf("Software/RoxieCluster[@name='%s']/"XML_TAG_ROXIE_FARM"[1]", pszRoxieCluster);
IPropertyTree* pFarm1 = m_pRoot->queryPropTree(xpath.str());
if (pFarm1)
sDataDir.clear().append(pFarm1->queryProp(XML_ATTR_DATADIRECTORY));
//if (nComputers > 0)
//g_pDocument->makePlatformSpecificAbsolutePath(computers[0]->queryProp(XML_ATTR_NAME), sDataDir);
Owned<IPropertyTreeIterator> iter = pSrcTree->getElements(XML_TAG_COMPONENT);
ForEach (*iter)
{
IPropertyTree* pFolder = &iter->query();
makePlatformSpecificAbsolutePath(pFolder->queryProp(XML_ATTR_NAME), sDataDir);
break;
}
xpath.clear().appendf("RoxieCluster[@name='%s']/"XML_TAG_ROXIE_FARM, pszRoxieCluster);
pFarm = pParent->addPropTree(xpath.str(), createPTree());
pFarm->addProp (XML_ATTR_NAME, sFarmName.str());
pFarm->addPropInt("@port", pSrcTree->getPropInt("@port", 9876));
pFarm->addProp (XML_ATTR_DATADIRECTORY, sDataDir.str());
pFarm->addPropInt("@listenQueue", 200);
pFarm->addPropInt("@numThreads", 30);
pFarm->addPropInt("@requestArrayThreads", 5);
pFarm->addProp("@aclName", "");
}
Owned<IPropertyTreeIterator> iter = pSrcTree->getElements(XML_TAG_COMPONENT);
StringBuffer sNotAdded;
xpath.clear().appendf("RoxieCluster[@name='%s']/"XML_TAG_ROXIE_FARM"[@name='%s']/"XML_TAG_ROXIE_SERVER, pszRoxieCluster, sFarmName.str());
ForEach (*iter)
{
IPropertyTree* pFolder = &iter->query();
const char* pszName = pFolder->queryProp(XML_ATTR_NAME);
// Check if we can add this computer
if (checkComputerUse(pszName, pFarm))
{
StringBuffer sServerName( sFarmName), sbUniqueName;
sServerName.append("_s");
createUniqueName(sServerName.str(), xpath.str(), sbUniqueName);
// Add process node
IPropertyTree* pServer = createPTree(XML_TAG_ROXIE_SERVER);
pServer->setProp(XML_ATTR_NAME, sbUniqueName.str());
pServer->addProp(XML_ATTR_COMPUTER, pszName);
addNode(pServer, pFarm);
IPropertyTree* pLegacyServer = addLegacyServer(sbUniqueName, pServer, pFarm, pszRoxieCluster);
}
else
{
sNotAdded.append('\n');
sNotAdded.append(pszName);
sNotAdded.append(" ( ");
sNotAdded.append( pFolder->queryProp(XML_ATTR_NETADDRESS) );
sNotAdded.append(" )");
}
}
xpath.clear().appendf("Software/RoxieCluster[@name='%s']", pszRoxieCluster);
IPropertyTree* pRoxieCluster = m_pRoot->queryPropTree(xpath.str());
renameInstances(pRoxieCluster);
if (sNotAdded.length())
{
StringBuffer sMsg("The following servers were already allocated to the farm and could not be added:\n");
sMsg.append(sNotAdded.str());
}
return true;
}
bool CConfigEnvHelper::handleReplaceRoxieServer(const char* xmlArg)
{
Owned<IPropertyTree> pSrcTree = createPTreeFromXMLString(xmlArg && *xmlArg ? xmlArg : "<RoxieData/>");
const char* pszRoxieCluster = pSrcTree->queryProp("@roxieName");
IPropertyTree* pParent = m_pRoot->queryPropTree("Software");
StringBuffer xpath;
if (pszRoxieCluster && *pszRoxieCluster)
{
xpath.clear().appendf(XML_TAG_ROXIECLUSTER"[@name='%s']/"XML_TAG_ROXIE_FARM, pszRoxieCluster);
IPropertyTree* pFarm = pParent->queryPropTree(xpath.str());
if (!pFarm)
throw MakeStringException(-1, "Could not find a RoxieCluster with name '%s'", pszRoxieCluster);
Owned<IPropertyTreeIterator> iter = pSrcTree->getElements("Nodes/Node");
ForEach (*iter)
{
IPropertyTree* pNode = &iter->query();
const char* pszFarm = pNode->queryProp("@farm");
const char* pszName = pNode->queryProp(XML_ATTR_NAME);
const char* pszNewComputer = pNode->queryProp("@newComputer");
xpath.clear().appendf(XML_TAG_ROXIE_SERVER"[@computer='%s']", pszNewComputer);
if (pFarm->queryPropTree(xpath.str()))
return false;
xpath.clear().appendf(XML_TAG_ROXIE_SERVER"[@name='%s']", pszName);
IPropertyTree* pServer = pFarm->queryPropTree(xpath.str());
if (pServer && pszNewComputer && *pszNewComputer)
{
pServer->setProp(XML_ATTR_COMPUTER, pszNewComputer);
xpath.clear().appendf(XML_TAG_ROXIECLUSTER"[@name='%s']/"XML_TAG_ROXIE_SERVER"[@name='%s']", pszRoxieCluster, pszName);
IPropertyTree* pOldVerRoxieServer = pParent->queryPropTree(xpath.str());
if (pOldVerRoxieServer)
{
pOldVerRoxieServer->setProp(XML_ATTR_COMPUTER, pszNewComputer);
xpath.clear().appendf("Hardware/"XML_TAG_COMPUTER"["XML_ATTR_NAME"='%s']", pszNewComputer);
IPropertyTree* pComputer = m_pRoot->queryPropTree(xpath.str());
if (pComputer)
pOldVerRoxieServer->setProp(XML_ATTR_NETADDRESS, pComputer->queryProp(XML_ATTR_NETADDRESS));
}
}
}
}
return true;
}
//---------------------------------------------------------------------------
// CheckComputerUse - will only prompt once for each element type
//---------------------------------------------------------------------------
bool CConfigEnvHelper::checkComputerUse(/*IPropertyTree* pComputerNode*/ const char* szComputer, IPropertyTree* pParentNode) const
{
StringBuffer xpath;
xpath.append(XML_TAG_ROXIE_SERVER "[@computer='").append( szComputer ).append("']");
Owned<IPropertyTreeIterator> iter = pParentNode->getElements(xpath.str());
return !(iter->first() && iter->isValid());
}
bool CConfigEnvHelper::makePlatformSpecificAbsolutePath(const char* computer, StringBuffer& path)
{
bool rc = false;
if (computer && *computer && path.length())
{
IPropertyTree* pComputer = lookupComputerByName(computer);
const char* computerType = pComputer ? pComputer->queryProp(XML_ATTR_COMPUTERTYPE) : NULL;
if (computerType && *computerType)
{
StringBuffer xpath;
xpath.appendf("Hardware/ComputerType[@name='%s']", computerType);
Owned<IPropertyTreeIterator> iter = m_pRoot->getElements(xpath.str());
if (iter->first() && iter->isValid())
{
const char* os = iter->query().queryProp("@opSys");
if (os && *os)
{
const bool bLinux = 0 != stricmp(os, "W2K");
if (bLinux)
{
path.replace('\\', '/');
path.replace(':', '$');
if (*path.str() != '/')
path.insert(0, '/');
}
else
{
path.replace('/', '\\');
path.replace('$', ':');
if (*path.str() == '\\')
path.remove(0, 1);
}
rc = true;
}
}
}
}
return rc;
}
IPropertyTree* CConfigEnvHelper::addLegacyServer(const char* name, IPropertyTree* pServer,
IPropertyTree* pFarm, const char* roxieClusterName)
{
IPropertyTree* pLegacyServer;
StringBuffer xpath;
xpath.clear().appendf("Software/RoxieCluster[@name='%s']", roxieClusterName);
IPropertyTree* pParentNode = m_pRoot->queryPropTree(xpath.str());
if (pParentNode)
{
const char* szComputer = pServer->queryProp(XML_ATTR_COMPUTER);
xpath.clear().appendf("Hardware/Computer/[@name='%s']", szComputer);
IPropertyTree* pComputer= m_pRoot->queryPropTree(xpath.str());
const char* netAddress = pComputer->queryProp(XML_ATTR_NETADDRESS);
//derive the new server from pFarm since it has most of the attributes
pLegacyServer = addNode(XML_TAG_ROXIE_SERVER, pParentNode);
pLegacyServer->setProp( XML_ATTR_NAME, name);
pLegacyServer->setProp( XML_ATTR_COMPUTER, szComputer );
pLegacyServer->setProp( XML_ATTR_NETADDRESS, netAddress);
Owned<IAttributeIterator> iAttr = pFarm->getAttributes();
ForEach(*iAttr)
{
const char* attrName = iAttr->queryName();
if (0 != strcmp(attrName, XML_ATTR_COMPUTER) && //skip
0 != strcmp(attrName, XML_ATTR_NETADDRESS) &&
0 != strcmp(attrName, XML_ATTR_NAME))
{
pLegacyServer->addProp(attrName, iAttr->queryValue());
}
}
}
else
pLegacyServer = NULL;
return pLegacyServer;
}
//---------------------------------------------------------------------------
// setComputerState
//---------------------------------------------------------------------------
void CConfigEnvHelper::setComputerState(IPropertyTree* pNode, COMPUTER_STATE state)
{
setAttribute(pNode, XML_ATTR_STATE, g_szComputerState[state]);
}
//---------------------------------------------------------------------------
// setAttribute
//---------------------------------------------------------------------------
void CConfigEnvHelper::setAttribute(IPropertyTree* pNode, const char* szName, const char* szValue)
{
// Check attribute already has specified value
const char* szValueOld = pNode->queryProp(szName);
if (!szValueOld || strcmp(szValueOld, szValue))
{
//UpdateComputerMap(pNode, false);
// ptree does not like missing intermediates...
const char *finger = szName;
StringBuffer subpath;
while (strchr(finger, '/'))
{
while (*finger!='/')
subpath.append(*finger++);
if (!pNode->hasProp(subpath.str()))
pNode->addProp(subpath.str(), "");
subpath.append(*finger++);
}
if (!strcmp(szName, XML_ATTR_BUILD) && !strcmp(pNode->queryName(), XML_TAG_ESPSERVICE))
{
//remove previous Properties, if any, that this component inherited from its
//previous build
IPropertyTree* pProperties = pNode->queryPropTree("Properties");
IPropertyTree* pNewProperties;
//if the new build has any properties then let the node inherit them
const char* buildSet = pNode->queryProp(XML_ATTR_BUILDSET);
if (buildSet)
{
StringBuffer sPath;
sPath.append("Programs/Build[@name='").append(szValue).append("']/BuildSet[@name='")
.append(buildSet).append("']/Properties");
pNewProperties = m_pRoot->queryPropTree(sPath.str());
}
else
pNewProperties = NULL;
//if we just changed build for an ESP service then enumerate all bindings for all
//ESP server processes and if any binding uses this service then replace its
//Authenticate and AuthenticateFeature nodes with those from the properties of
//this service from the new build. However, we only remove the nodes that are
//not in the new build preserving the others (so their attributes are preserved -
//in case they have been changed by the user). We also add new nodes that did
//not exist before. In essence, a merge is needed.
//
if (pProperties || pNewProperties)
{
StringBuffer xpath;
xpath.appendf("Software/EspProcess/EspBinding[@service='%s']", pNode->queryProp(XML_ATTR_NAME));
Owned<IPropertyTreeIterator> iBinding = m_pRoot->getElements(xpath.str());
ForEach(*iBinding)
{
IPropertyTree* pBinding = &iBinding->query();
//remove existing Authenticate and AuthenticateFeature nodes that are not in the new buildset's properties
//
mergeServiceAuthenticationWithBinding(pBinding, pProperties, pNewProperties, "Authenticate");
mergeServiceAuthenticationWithBinding(pBinding, pProperties, pNewProperties, "AuthenticateFeature");
mergeServiceAuthenticationWithBinding(pBinding, pProperties, pNewProperties, "AuthenticateSetting");
}
pNode->removeTree(pProperties);
}
if (pNewProperties)
pNode->addPropTree("Properties", createPTreeFromIPT(pNewProperties));
}
pNode->setProp(szName, szValue);
}
}
void CConfigEnvHelper::mergeServiceAuthenticationWithBinding(IPropertyTree* pBinding,
IPropertyTree* pProperties,
IPropertyTree* pNewProperties,
const char* NodeName)
{
StringBuffer xpath;
//remove existing Authenticate and AuthenticateFeature nodes that are not in the new buildset's properties
//
Owned<IPropertyTreeIterator> iDest = pBinding->getElements(NodeName);
for (iDest->first(); iDest->isValid(); )
{
IPropertyTree* pDest = &iDest->query();
iDest->next();
const char* path = pDest->queryProp("@path");
xpath.clear().appendf("%s[@path='%s']", NodeName, path);
IPropertyTree* pNewPropChild = pNewProperties->queryPropTree(xpath.str());
if (pNewPropChild)
{
IPropertyTree* pPropChild = pProperties->queryPropTree(xpath.str());
if (pPropChild)
{
//same path so merge individual attributes, retaining any that may have been changed by user
//but replacing ones that are different in newer build but not changed by user
Owned<IAttributeIterator> iAttr = pDest->getAttributes();
ForEach(*iAttr)
{
const char* attrName = iAttr->queryName();
if (0 != strcmp(attrName, "@path"))
{
const char* attrDest = iAttr->queryValue();
const char* attrProp = pPropChild->queryProp(attrName);
const char* attrNewProp = pNewPropChild->queryProp(attrName);
if (attrProp && attrNewProp && !strcmp(attrDest, attrProp))
pDest->setProp(attrName, attrNewProp);
}
}
}
}
else
pBinding->removeTree(pDest);
}
//add nodes from buildset properties that are missing in binding
//
bool bAuthenticateFeature = !strcmp(NodeName, "AuthenticateFeature");
Owned<IPropertyTreeIterator> iSrc = pNewProperties->getElements(NodeName);
ForEach(*iSrc)
{
IPropertyTree* pNode = &iSrc->query();
const char* path = pNode->queryProp("@path");
xpath.clear().appendf("%s[@path='%s']", NodeName, path);
if (!pBinding->queryPropTree(xpath.str()))
{
pNode = pBinding->addPropTree(NodeName, createPTreeFromIPT(pNode));
if (bAuthenticateFeature)
pNode->addProp("@authenticate", "Yes");
}
}
}
//---------------------------------------------------------------------------
// lookupComputerByName
//---------------------------------------------------------------------------
IPropertyTree* CConfigEnvHelper::lookupComputerByName(const char* szName) const
{
if (!szName || !*szName) return NULL;
Owned<IPropertyTreeIterator> iter = m_pRoot->getElements(XML_TAG_HARDWARE"/"XML_TAG_COMPUTER);
for (iter->first(); iter->isValid(); iter->next())
{
const char* szValue = iter->query().queryProp(XML_ATTR_NAME);
if (szValue && strcmp(szValue, szName) == 0)
return &iter->query();
}
return NULL;
}
void CConfigEnvHelper::createUniqueName(const char* szPrefix, const char* parent, StringBuffer& sbName)
{
sbName.clear().append(szPrefix).append("1");
if (getSoftwareNode(parent, sbName.str()))
{
int iIdx = 2;
do
{
sbName.clear().append(szPrefix).append(iIdx++);
}
while (getSoftwareNode(parent, sbName.str()));
}
}
//---------------------------------------------------------------------------
// addNode
//---------------------------------------------------------------------------
IPropertyTree* CConfigEnvHelper::addNode(const char* szTag, IPropertyTree* pParentNode, IPropertyTree* pInsertAfterNode)
{
IPropertyTree* pNode = createPTree(szTag);
if (pNode)
{
addNode(pNode, pParentNode, pInsertAfterNode);
}
return pNode;
}
//---------------------------------------------------------------------------
// addNode
//---------------------------------------------------------------------------
IPropertyTree* CConfigEnvHelper::addNode(IPropertyTree*& pNode, IPropertyTree* pParentNode, IPropertyTree* pInsertAfterNode)
{
StringBuffer sTag(pNode->queryName()); // need to pass in a copy of the name
// Check is node is to be added at specific location relative to nodes with same name
if (pInsertAfterNode)
{
int idx = 1; // this will insert into first position
if (strcmp(pInsertAfterNode->queryName(), pNode->queryName()) == 0)
{
idx = pParentNode->queryChildIndex(pInsertAfterNode) + 2;
}
// Only append qualifier is not inserting at end position
if (pParentNode->queryPropTree(StringBuffer(sTag).appendf("[%d]", idx).str()))
sTag.appendf("[%d]", idx);
}
pNode = pParentNode->addPropTree(sTag.str(), pNode);
return pNode;
}
//---------------------------------------------------------------------------
// renameInstances
//---------------------------------------------------------------------------
void CConfigEnvHelper::renameInstances(IPropertyTree* pRoxieCluster)
{
// Iterate through farms
int nFarm = 0;
StringBuffer xpath;
Owned<IPropertyTreeIterator> iFarm = pRoxieCluster->getElements(XML_TAG_ROXIE_FARM);
ForEach(*iFarm)
{
IPropertyTree* pFarm = &iFarm->query();
int nServer = 0;
StringBuffer sFarmName("farm");
sFarmName.append(++nFarm);
setAttribute(pFarm, XML_ATTR_NAME, sFarmName.str());
Owned<IPropertyTreeIterator> iServer = pFarm->getElements(XML_TAG_ROXIE_SERVER);
ForEach(*iServer)
{
IPropertyTree* pServer = &iServer->query();
StringBuffer sServerName( sFarmName );
sServerName.append("_s");
sServerName.append(++nServer);
const char* prevName = pServer->queryProp(XML_ATTR_NAME);
if (prevName && *prevName)
{
IPropertyTree* pLegacyServer = findLegacyServer(pRoxieCluster, prevName);
if (pLegacyServer)
setAttribute(pLegacyServer, "@_name", sServerName.str());
}
setAttribute(pServer, XML_ATTR_NAME, sServerName.str());
}
}
Owned<IPropertyTreeIterator> iServer = pRoxieCluster->getElements(XML_TAG_ROXIE_SERVER);
ForEach(*iServer)
{
IPropertyTree* pServer = &iServer->query();
const char* newName = pServer->queryProp("@_name");
if (newName)
{
pServer->setProp(XML_ATTR_NAME, newName);
pServer->removeProp("@_name");
}
}
}
IPropertyTree* CConfigEnvHelper::findLegacyServer(IPropertyTree* pRoxieCluster, const char* pszServer)
{
StringBuffer xpath;
xpath.appendf(XML_TAG_ROXIE_SERVER"[@name='%s']", pszServer);
return pRoxieCluster->queryPropTree( xpath.str() );
}
bool CConfigEnvHelper::deleteRoxieServers(const char* xmlArg)
{
Owned<IPropertyTree> pSrcTree = createPTreeFromXMLString(xmlArg && *xmlArg ? xmlArg : "<RoxieData/>");
const char* pszRoxieCluster = pSrcTree->queryProp("@roxieName");
unsigned int nComputers = 0;//computers.size();
StringBuffer xpath;
xpath.clear().appendf("Software/RoxieCluster[@name='%s']", pszRoxieCluster);
IPropertyTree* pRoxieCluster = m_pRoot->queryPropTree(xpath.str());
StringBuffer sFarmName;
Owned<IPropertyTreeIterator> iterFarm = pSrcTree->getElements(XML_TAG_ROXIE_FARM);
ForEach (*iterFarm)
{
IPropertyTree* pFarm = &iterFarm->query();
const char* pszFarm = pFarm->queryProp(XML_ATTR_NAME);
deleteFarm(pRoxieCluster, pszFarm);
}
Owned<IPropertyTreeIterator> iterServer = pSrcTree->getElements(XML_TAG_ROXIE_SERVER);
ForEach (*iterServer)
{
IPropertyTree* pServer = &iterServer->query();
const char* pszName = pServer->queryProp(XML_ATTR_NAME);
const char* pszFarm = pServer->queryProp("@parent");
deleteServer(pRoxieCluster, pszFarm, pszName);
}
Owned<IPropertyTreeIterator> iterSlaves = pSrcTree->getElements(XML_TAG_ROXIE_ONLY_SLAVE);
ForEach (*iterSlaves)
{
IPropertyTree* pChild;
//if atleast one slave, delete all slaves
while ((pChild = pRoxieCluster->queryPropTree( "RoxieSlave[1]" )) != NULL)
pRoxieCluster->removeTree( pChild );
while ((pChild = pRoxieCluster->queryPropTree( XML_TAG_ROXIE_SLAVE "[1]" )) != NULL)
pRoxieCluster->removeTree( pChild );
break;
}
renameInstances(pRoxieCluster);
return true;
}
void CConfigEnvHelper::deleteFarm(IPropertyTree* pRoxieCluster, const char* pszFarm)
{
StringBuffer xpath;
xpath.clear().appendf(XML_TAG_ROXIE_FARM"[@name='%s']", pszFarm);
IPropertyTree* pFarm = pRoxieCluster->queryPropTree(xpath.str());
Owned<IPropertyTreeIterator> it = pFarm->getElements(XML_TAG_ROXIE_SERVER);
ForEach(*it)
{
IPropertyTree* pServer = &it->query();
const char* pszServer = pServer->queryProp(XML_ATTR_NAME);
IPropertyTree* pLegacyServer = findLegacyServer(pRoxieCluster, pszServer);
if (pLegacyServer)
pRoxieCluster->removeTree(pLegacyServer);
}
pRoxieCluster->removeTree(pFarm);
}
void CConfigEnvHelper::deleteServer(IPropertyTree* pRoxieCluster, const char* pszFarm, const char* pszServer)
{
StringBuffer xpath;
IPropertyTree* pLegacyServer = findLegacyServer(pRoxieCluster, pszServer);
if (pLegacyServer)
pRoxieCluster->removeTree(pLegacyServer);
xpath.clear().appendf(XML_TAG_ROXIE_FARM"[@name='%s']", pszFarm);
IPropertyTree* pFarm = pRoxieCluster->queryPropTree(xpath.str());
if (pFarm)
{
xpath.clear().appendf(XML_TAG_ROXIE_SERVER"[@name='%s']", pszServer);
IPropertyTree* pServer = pFarm->queryPropTree(xpath.str());
if (pServer)
pFarm->removeTree(pServer);
}
}
void CConfigEnvHelper::addComponent(const char* pszBuildSet, StringBuffer& sbNewName, IPropertyTree* pCompTree)
{
try
{
// NOTE - we are assuming buildSet is unique in a build.
StringBuffer xPath, value;
xPath.appendf("./Programs/Build/BuildSet[@name=\"%s\"]", pszBuildSet);
Owned<IPropertyTreeIterator> buildSet = m_pRoot->getElements(xPath.str());
buildSet->first();
IPropertyTree* pBuildSet = &buildSet->query();
const char* buildSetName = pBuildSet->queryProp(XML_ATTR_NAME);
const char* processName = pBuildSet->queryProp(XML_ATTR_PROCESS_NAME);
const char* buildName = m_pRoot->queryPropTree("./Programs/Build[1]")->queryProp(XML_ATTR_NAME);
if (!processName) //support non-generic components as well
processName = buildSetName;
{
// Use lower case version of type for name prefix
StringBuffer sName(buildSetName);
sName.toLowerCase();
sName.replaceString("process","");
if(sbNewName.length())
value.append(sbNewName.str()).append(getUniqueName(m_pRoot.get(), sName, processName, "Software"));
else
value.append(getUniqueName(m_pRoot.get(), sName, processName, "Software"));
pCompTree->setProp(XML_ATTR_NAME,value);
sbNewName.clear().append(sName);
pCompTree->setProp(XML_ATTR_BUILD, buildName);
pCompTree->setProp(XML_ATTR_BUILDSET,pszBuildSet);
Owned<IPropertyTree> pProperties = pBuildSet->getPropTree("Properties");
if (pProperties)
pCompTree->addPropTree("Properties", createPTreeFromIPT(pProperties));
addNode(pCompTree, m_pRoot->queryPropTree("Software"));
}
}
catch (IException* e)
{
throw e;
}
}
bool CConfigEnvHelper::EnsureInRange(const char* psz, UINT low, UINT high, const char* caption)
{
bool rc = false;
StringBuffer msg;
const UINT x = atoi( psz );
if ( ((low < high) && (x < low || x > high)) || (low == high && x != low) )
{
msg.append(caption).append(" must be ");
if (low == high)
msg.append(low);
else
{
msg.append("between ");
msg.append(low).append(" and ");
msg.append( high );
}
}
else
if (high == 0 && x < low)
msg.append(caption).append(" must be at least ").append(low);
else
rc = true;
if (!rc)
{
msg.append('.');
throw MakeStringException(-1, "%s", msg.str());
}
return rc;
}
bool CConfigEnvHelper::handleRoxieSlaveConfig(const char* xmlArg)
{
try
{
Owned<IPropertyTree> pSrcTree = createPTreeFromXMLString(xmlArg && *xmlArg ? xmlArg : "<RoxieData/>");
const char* type = pSrcTree->queryProp(XML_ATTR_TYPE);
const char* pszRoxie = pSrcTree->queryProp("@roxieName");
const char* val1 = pSrcTree->queryProp("@val1");
const char* sOffset = pSrcTree->queryProp("@val2");
StringBuffer dir1, dir2, dir3;
getCommonDir(m_pRoot.get(), "data", "roxie", pszRoxie, dir1);
getCommonDir(m_pRoot.get(), "data2", "roxie", pszRoxie, dir2);
getCommonDir(m_pRoot.get(), "data3", "roxie", pszRoxie, dir3);
StringBuffer xpath;
xpath.clear().appendf("Software/RoxieCluster[@name='%s']", pszRoxie);
IPropertyTree* pRoxie = m_pRoot->queryPropTree(xpath.str());
if (!pRoxie)
throw MakeStringException(-1, "Cannot find roxie with name %s", pszRoxie);
Owned<IPropertyTreeIterator> iterComputers = pSrcTree->getElements("Computer");
IPropertyTreePtrArray computers;
ForEach (*iterComputers)
{
IPropertyTree* pComp = &iterComputers->query();
const char* pszCompName = pComp->queryProp(XML_ATTR_NAME);
xpath.clear().appendf(XML_TAG_HARDWARE"/"XML_TAG_COMPUTER"/["XML_ATTR_NAME"='%s']", pszCompName);
IPropertyTree* pComputer = m_pRoot->queryPropTree(xpath.str());
if (pComputer)
computers.push_back(pComputer);
}
m_numChannels = atoi(val1);
m_numDataCopies = 0;
const char* confType;
char chDrive;
if (!strcmp(type, "Circular"))
{
if (!GenerateCyclicRedConfig(pRoxie, computers, val1, sOffset, dir1.str(), dir2.str(), dir3.str()))
return false;
confType = "cyclic redundancy";
chDrive = 'c';
pRoxie->setProp("@cyclicOffset", sOffset);
}
else
{
if (!strcmp(type, "Overloaded"))
{
if (!GenerateOverloadedConfig(pRoxie, computers, val1, dir1.str(), dir2.str(), dir3.str()))
return false;
confType = "overloaded";
chDrive = 'c';
}
else
{
if (!strcmp(type, "Full"))
{
m_numDataCopies = atoi( val1 );
confType = "full redundancy";
}
else //no redundancy
{
m_numDataCopies = 1;
confType = "simple";
}
if (!GenerateFullRedConfig(pRoxie, m_numDataCopies, computers, dir1.str()))
return false;
}
if (pRoxie->hasProp("@cyclicOffset"))
pRoxie->removeProp("@cyclicOffset");
}
StringBuffer sDataDir;
sDataDir.appendf("%s", dir1.str());
//give legacy slaves unique names
UINT i = 1;
Owned<IPropertyTreeIterator> it = pRoxie->getElements(XML_TAG_ROXIE_SLAVE);
ForEach( *it)
{
StringBuffer name;
name.append('s').append(i);
IPropertyTree* pLegacySlave = &it->query();
pLegacySlave->setProp(XML_ATTR_NAME, name.str() );
if (i++==1)
makePlatformSpecificAbsolutePath( pLegacySlave->queryProp(XML_ATTR_COMPUTER), sDataDir);
}
pRoxie->setProp("@slaveConfig", confType);
pRoxie->setPropInt("@clusterWidth", computers.size());
pRoxie->setPropInt("@numChannels", m_numChannels);
pRoxie->setPropInt("@numDataCopies", m_numDataCopies);
pRoxie->setProp("@baseDataDir", sDataDir.str());
pRoxie->setProp("@localSlave", computers.size() > 1 ? "false" : "true");
//update Roxie data directories for all farms and all legacy servers
//change all farms
Owned<IPropertyTreeIterator> iterFarms = pRoxie->getElements(XML_TAG_ROXIE_FARM);
ForEach (*iterFarms)
{
IPropertyTree* pTmpComp = &iterFarms->query();
if (strcmp(pTmpComp->queryProp(XML_ATTR_DATADIRECTORY), sDataDir.str()))
pTmpComp->setProp(XML_ATTR_DATADIRECTORY, sDataDir.str());
}
//change all legacy servers
Owned<IPropertyTreeIterator> iterServers = pRoxie->getElements(XML_TAG_ROXIE_SERVER);
ForEach (*iterServers)
{
IPropertyTree* pTmpComp = &iterServers->query();
if (strcmp(pTmpComp->queryProp(XML_ATTR_DATADIRECTORY), sDataDir.str()))
pTmpComp->setProp(XML_ATTR_DATADIRECTORY, sDataDir.str());
}
}
catch (IException *e)
{
StringBuffer msg;
throw MakeStringException(-1, "%s", e->errorMessage(msg).str());
}
catch (...)
{
throw MakeStringException(-1, "Unknown exception in generating slave configuration!" );
}
return true;
}
void CConfigEnvHelper::addReplicateConfig(IPropertyTree* pSlaveNode, int channel, const char* dir,
const char* netAddress, IPropertyTree* pRoxie)
{
StringBuffer directory;
directory.appendf("%s", dir);
makePlatformSpecificAbsolutePath( pSlaveNode->queryProp(XML_ATTR_COMPUTER), directory);