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#14 Allow multiple config files
It would be nice to have multiple config xml files allowed, so that the archive, srvdescriptors and the monitored servers are in separate files. This makes life easier to e.g. promote a set of srvdescriptors into a production environment, is it not necessary to update the list of servers being monitored, and it makes it simple to diff the srvdescriptor files to see what the differences are.
I have made a prototype of this - simply read in multiple config files and do the parse & validate after they have been loaded. You may want to add more validation. Changed Asemon_logger.java, CnxMgr.java and Config.java
PS thanks for asemon - it's a very useful!
diff -ru asemon_logger-2.7.15/Asemon_logger.java asemon_logger.new/Asemon_logger.java --- asemon_logger-2.7.15/Asemon_logger.java Wed Jun 11 11:39:38 2014 +++ asemon_logger.new/Asemon_logger.java Wed Jun 11 12:38:05 2014 @@ -15,7 +15,7 @@ static String Asemon_logger_version = "Version V2.7.15"; static int asemon_procs_version = 2760; static int threadNameSizeMax=1; // Used to format messages - static String config_file; // Configuration file name (with or without path) + static Vector<String> configFiles; // Configuration file name (with or without path) static Config config; // Used to store all the configuration static CnxMgr cnxMgr; // Used to manage all types of connections static PassFileMgr pfm=null; // Used to manage passwords @@ -51,7 +51,7 @@ // static Connection archive_conn=null; - static String usage_string = "Usage : asemon_logger -c config_file.xml [-V] \n"; + static String usage_string = "Usage : asemon_logger -c config_file.xml [-c ...] [-V] \n"; static void getArgs(String args[]) { @@ -64,7 +64,7 @@ while ((c = g.getopt()) != -1) { switch(c) { case 'c': - config_file = g.getOptarg(); + configFiles.add(g.getOptarg()); break; case 'T': traceflag=0; @@ -127,7 +127,7 @@ } } - if ( config_file==null ) { + if ( configFiles.isEmpty() ) { Asemon_logger.printmess ("ERROR Provide a configuration file"); System.out.println(usage_string); System.exit(1); @@ -159,6 +159,7 @@ public static void main(String[] args) { traceflags = new Vector(); + configFiles = new Vector(); getArgs(args); @@ -179,7 +180,9 @@ System.exit(1); } printmess ("Classpath is : "+System.getProperty("java.class.path")); - printmess ("Config file used : "+config_file); + for (String cfgFile : configFiles) { + printmess ("Config file used : "+cfgFile); + } // initialize the password manager pfm = new PassFileMgr("passwords"); // encrypt clear passwords @@ -193,9 +196,22 @@ // Initialize configuration config = new Config(); - if ( !config.loadConfig(config_file) ) - System.exit(1); + for (String cfgFile : configFiles) { + if ( !config.loadConfig(cfgFile) ) { + System.exit(1); + } + } + try { + config.loadMetricdescriptors(); + config.validateConfig(); + } + catch (Exception e){ + Asemon_logger.printmess (e.getMessage()); + System.exit(1); + } + + if (skipRetreiveSQLText==true) Asemon_logger.printmess("Active traceflag : 1 = skipRetreiveSQLText"); if (disableBulkLoad==true) diff -ru asemon_logger-2.7.15/CnxMgr.java asemon_logger.new/CnxMgr.java --- asemon_logger-2.7.15/CnxMgr.java Wed Jun 11 11:39:39 2014 +++ asemon_logger.new/CnxMgr.java Wed Jun 11 12:43:45 2014 @@ -381,11 +381,7 @@ try { Statement stmt = aArchServCnx.archive_conn.createStatement(); - int len = Asemon_logger.config_file.length(); - int start, end; - if (len > 30) {start=len-30; end=len;} - else {start=0; end=len-1;} - stmt.executeUpdate("set clientapplname '"+Asemon_logger.config_file.substring(start, end)+"'"); + stmt.executeUpdate("set clientapplname 'asemon_logger'"); stmt.close(); } catch (Exception e) { @@ -421,11 +417,7 @@ Asemon_logger.printmess ("Connected to archive server : "+ Asemon_logger.archive_server + " Database : " + Asemon_logger.archive_base); try { Statement stmt = msrv.purge_conn.createStatement(); - int len = Asemon_logger.config_file.length(); - int start, end; - if (len > 30) {start=len-30; end=len;} - else {start=0; end=len-1;} - stmt.executeUpdate("set clientapplname '"+Asemon_logger.config_file.substring(start, end)+"'"); + stmt.executeUpdate("set clientapplname 'asemon_logger'"); stmt.close(); } catch (Exception e) { diff -ru asemon_logger-2.7.15/Config.java asemon_logger.new/Config.java --- asemon_logger-2.7.15/Config.java Wed Jun 11 11:39:39 2014 +++ asemon_logger.new/Config.java Wed Jun 11 12:36:33 2014 @@ -150,184 +150,180 @@ // Retreive archive server configuration Element archiveSrvXml = root.getChild("ArchiveSrv"); - if (archiveSrvXml == null) { - Asemon_logger.printmess ("parseConfigFile : (" +fname+ ") : missing archive server" ); - System.exit(1); - } - // Retreive archive server conf - Asemon_logger.archive_server = archiveSrvXml.getChildTextTrim("name"); - Asemon_logger.archive_user = archiveSrvXml.getChildTextTrim("user"); - useKerberosStr = archiveSrvXml.getChildTextTrim("useKerberos"); - if ((useKerberosStr != null)&&(useKerberosStr.equalsIgnoreCase("YES"))) Asemon_logger.archive_useKerberos=true; - else Asemon_logger.archive_useKerberos=false; - Asemon_logger.archive_base = archiveSrvXml.getChildTextTrim("database"); - Asemon_logger.archive_charset = archiveSrvXml.getChildTextTrim("charset"); - Asemon_logger.archive_granteeList = archiveSrvXml.getChildTextTrim("GranteeList"); - if (Asemon_logger.archive_granteeList != null) Asemon_logger.archive_granteeList.trim(); - - String archpoolSzStr = archiveSrvXml.getChildTextTrim("poolsize"); - if (archpoolSzStr != null) { - try { - Asemon_logger.archive_poolsize=Integer.parseInt(archpoolSzStr); + if (archiveSrvXml != null) { + // Retreive archive server conf + Asemon_logger.archive_server = archiveSrvXml.getChildTextTrim("name"); + Asemon_logger.archive_user = archiveSrvXml.getChildTextTrim("user"); + useKerberosStr = archiveSrvXml.getChildTextTrim("useKerberos"); + if ((useKerberosStr != null)&&(useKerberosStr.equalsIgnoreCase("YES"))) Asemon_logger.archive_useKerberos=true; + else Asemon_logger.archive_useKerberos=false; + Asemon_logger.archive_base = archiveSrvXml.getChildTextTrim("database"); + Asemon_logger.archive_charset = archiveSrvXml.getChildTextTrim("charset"); + Asemon_logger.archive_granteeList = archiveSrvXml.getChildTextTrim("GranteeList"); + if (Asemon_logger.archive_granteeList != null) Asemon_logger.archive_granteeList.trim(); + + String archpoolSzStr = archiveSrvXml.getChildTextTrim("poolsize"); + if (archpoolSzStr != null) { + try { + Asemon_logger.archive_poolsize=Integer.parseInt(archpoolSzStr); + } + catch (NumberFormatException e) { + Asemon_logger.printmess ("parseConfigFile : (" +fname+ ") : incorrect poolsize" ); + Asemon_logger.archive_poolsize =1; + } + if (Asemon_logger.archive_poolsize <= 0) { + // Ignore bad conf, reset to default + Asemon_logger.printmess ("parseConfigFile : (" +fname+ ") : incorrect poolsize" ); + Asemon_logger.archive_poolsize =1; + } } - catch (NumberFormatException e) { - Asemon_logger.printmess ("parseConfigFile : (" +fname+ ") : incorrect poolsize" ); - Asemon_logger.archive_poolsize =1; + String packet_size_STR = archiveSrvXml.getChildTextTrim("packet_size"); + if ( (packet_size_STR!=null) && (packet_size_STR.length()>0) ) { + try { + Asemon_logger.archive_packet_size = Integer.parseInt(packet_size_STR); + Asemon_logger.printmess("Archive server packet_size asked by asemon_logger : " + Asemon_logger.archive_packet_size); + } + catch (Exception e) { + Asemon_logger.printmess ("parseConfigFile : Invalid packet_size. Will be ignored."); + Asemon_logger.archive_packet_size = 0; + } } - if (Asemon_logger.archive_poolsize <= 0) { - // Ignore bad conf, reset to default - Asemon_logger.printmess ("parseConfigFile : (" +fname+ ") : incorrect poolsize" ); - Asemon_logger.archive_poolsize =1; - } } - String packet_size_STR = archiveSrvXml.getChildTextTrim("packet_size"); - if ( (packet_size_STR!=null) && (packet_size_STR.length()>0) ) { - try { - Asemon_logger.archive_packet_size = Integer.parseInt(packet_size_STR); - Asemon_logger.printmess("Archive server packet_size asked by asemon_logger : " + Asemon_logger.archive_packet_size); - } - catch (Exception e) { - Asemon_logger.printmess ("parseConfigFile : Invalid packet_size. Will be ignored."); - Asemon_logger.archive_packet_size = 0; - } - } // Initialize monitored serveurs structure Element monSrvXml = root.getChild("MonitoredSrv"); - if (monSrvXml == null) { - Asemon_logger.printmess ("parseConfigFile : (" +fname+ ") : missing monitored server" ); - System.exit(1); - } - Element aMSXml; - MonitoredSRV aMonitoredSRV; - // Get list of monitored servers - List msl = monSrvXml.getChildren("SRV"); - monitoredSRVs = new Hashtable(msl.size()); - for (Iterator itMsl = msl.iterator(); itMsl.hasNext();) { - // Retreive a monitored server (SRV) - aMSXml = (Element)itMsl.next(); - aMonitoredSRV = new MonitoredSRV(); - aMonitoredSRV.name = aMSXml.getChildTextTrim("name"); - if (aMonitoredSRV.name.length() >20) - aMonitoredSRV.srvNormalized = aMonitoredSRV.name.substring(0,20); - else aMonitoredSRV.srvNormalized = aMonitoredSRV.name; - aMonitoredSRV.amStats = new AsemonStats(aMonitoredSRV.srvNormalized); // Allocate monitoring pipe - aMonitoredSRV.user = aMSXml.getChildTextTrim("user"); - - useKerberosStr = aMSXml.getChildTextTrim("useKerberos"); - if ((useKerberosStr != null)&&(useKerberosStr.equalsIgnoreCase("YES"))) aMonitoredSRV.useKerberos=true; - else aMonitoredSRV.useKerberos=false; - - - - aMonitoredSRV.charset = aMSXml.getChildTextTrim("charset"); - aMonitoredSRV.RSSDServer = aMSXml.getChildTextTrim("RSSDServer"); - aMonitoredSRV.RSSDUser = aMSXml.getChildTextTrim("RSSDUser"); - aMonitoredSRV.RSSDDatabase = aMSXml.getChildTextTrim("RSSDDatabase"); - aMonitoredSRV.srvDescriptor = aMSXml.getChildTextTrim("srvDescriptor"); - - aMonitoredSRV.purgeArchive = false; // By default, purge is deactivated - aMonitoredSRV.daysToKeep=90; // Default days to keep if purge is activated - Element purgeXml = aMSXml.getChild("purgearchive"); - if (purgeXml != null){ - aMonitoredSRV.purgeArchive = true; - String daysToKeepStr = purgeXml.getAttributeValue("daysToKeep"); - String deleteSleepStr = purgeXml.getAttributeValue("deleteSleep"); - try { - if (daysToKeepStr != null) aMonitoredSRV.daysToKeep = Integer.parseInt(daysToKeepStr); - if (aMonitoredSRV.daysToKeep <=0 ){ - Asemon_logger.printmess ("ERROR - Parse XML Config file : 'daysToKeep' for server '"+ - aMonitoredSRV.name+"' must be > 0. Purge deactivated."); + if (monSrvXml != null) { + Element aMSXml; + MonitoredSRV aMonitoredSRV; + // Get list of monitored servers + List msl = monSrvXml.getChildren("SRV"); + monitoredSRVs = new Hashtable(msl.size()); + for (Iterator itMsl = msl.iterator(); itMsl.hasNext();) { + // Retreive a monitored server (SRV) + aMSXml = (Element)itMsl.next(); + aMonitoredSRV = new MonitoredSRV(); + aMonitoredSRV.name = aMSXml.getChildTextTrim("name"); + if (aMonitoredSRV.name.length() >20) + aMonitoredSRV.srvNormalized = aMonitoredSRV.name.substring(0,20); + else aMonitoredSRV.srvNormalized = aMonitoredSRV.name; + aMonitoredSRV.amStats = new AsemonStats(aMonitoredSRV.srvNormalized); // Allocate monitoring pipe + aMonitoredSRV.user = aMSXml.getChildTextTrim("user"); + + useKerberosStr = aMSXml.getChildTextTrim("useKerberos"); + if ((useKerberosStr != null)&&(useKerberosStr.equalsIgnoreCase("YES"))) aMonitoredSRV.useKerberos=true; + else aMonitoredSRV.useKerberos=false; + + + + aMonitoredSRV.charset = aMSXml.getChildTextTrim("charset"); + aMonitoredSRV.RSSDServer = aMSXml.getChildTextTrim("RSSDServer"); + aMonitoredSRV.RSSDUser = aMSXml.getChildTextTrim("RSSDUser"); + aMonitoredSRV.RSSDDatabase = aMSXml.getChildTextTrim("RSSDDatabase"); + aMonitoredSRV.srvDescriptor = aMSXml.getChildTextTrim("srvDescriptor"); + + aMonitoredSRV.purgeArchive = false; // By default, purge is deactivated + aMonitoredSRV.daysToKeep=90; // Default days to keep if purge is activated + Element purgeXml = aMSXml.getChild("purgearchive"); + if (purgeXml != null){ + aMonitoredSRV.purgeArchive = true; + String daysToKeepStr = purgeXml.getAttributeValue("daysToKeep"); + String deleteSleepStr = purgeXml.getAttributeValue("deleteSleep"); + try { + if (daysToKeepStr != null) aMonitoredSRV.daysToKeep = Integer.parseInt(daysToKeepStr); + if (aMonitoredSRV.daysToKeep <=0 ){ + Asemon_logger.printmess ("ERROR - Parse XML Config file : 'daysToKeep' for server '"+ + aMonitoredSRV.name+"' must be > 0. Purge deactivated."); + aMonitoredSRV.purgeArchive = false; + } + } + catch (NumberFormatException e) { + Asemon_logger.printmess ("ERROR - Parse XML Config file : invalid number for 'daysToKeep' for server '"+ + aMonitoredSRV.name+"'. Purge deactivated."); aMonitoredSRV.purgeArchive = false; } - } - catch (NumberFormatException e) { - Asemon_logger.printmess ("ERROR - Parse XML Config file : invalid number for 'daysToKeep' for server '"+ - aMonitoredSRV.name+"'. Purge deactivated."); - aMonitoredSRV.purgeArchive = false; - } - - aMonitoredSRV.deleteSleep = 100; - try { - if (deleteSleepStr != null) aMonitoredSRV.deleteSleep = Integer.parseInt(deleteSleepStr); - if (aMonitoredSRV.deleteSleep < 0 ){ - Asemon_logger.printmess ("ERROR - Parse XML Config file : 'deleteSleep' for server '"+ - aMonitoredSRV.name+"' must be >= 0. Default sleep time of 100 ms will be used."); + + aMonitoredSRV.deleteSleep = 100; + try { + if (deleteSleepStr != null) aMonitoredSRV.deleteSleep = Integer.parseInt(deleteSleepStr); + if (aMonitoredSRV.deleteSleep < 0 ){ + Asemon_logger.printmess ("ERROR - Parse XML Config file : 'deleteSleep' for server '"+ + aMonitoredSRV.name+"' must be >= 0. Default sleep time of 100 ms will be used."); + aMonitoredSRV.deleteSleep = 100; + } + } + catch (NumberFormatException e) { + Asemon_logger.printmess ("ERROR - Parse XML Config file : invalid number for 'deleteSleep' for server '"+ + aMonitoredSRV.name+"'. Default sleep time of 100 ms will be used."); aMonitoredSRV.deleteSleep = 100; } - } - catch (NumberFormatException e) { - Asemon_logger.printmess ("ERROR - Parse XML Config file : invalid number for 'deleteSleep' for server '"+ - aMonitoredSRV.name+"'. Default sleep time of 100 ms will be used."); - aMonitoredSRV.deleteSleep = 100; - } - - String startDelayStr = purgeXml.getAttributeValue("startDelay"); - try { - if (startDelayStr != null) aMonitoredSRV.startDelay = Integer.parseInt(startDelayStr); - else aMonitoredSRV.startDelay = 30; - if (aMonitoredSRV.startDelay == -1) { - // Special case, generate a random number between 1 and 30 - aMonitoredSRV.startDelay = ((int)(java.lang.Math.random() * 29)) +1; + + String startDelayStr = purgeXml.getAttributeValue("startDelay"); + try { + if (startDelayStr != null) aMonitoredSRV.startDelay = Integer.parseInt(startDelayStr); + else aMonitoredSRV.startDelay = 30; + if (aMonitoredSRV.startDelay == -1) { + // Special case, generate a random number between 1 and 30 + aMonitoredSRV.startDelay = ((int)(java.lang.Math.random() * 29)) +1; + } + else if (aMonitoredSRV.startDelay <=0 ){ + Asemon_logger.printmess ("ERROR - Parse XML Config file : 'startDelay' for server '"+ + aMonitoredSRV.name+"' must be > 0. Purge deactivated."); + aMonitoredSRV.purgeArchive = false; + } } - else if (aMonitoredSRV.startDelay <=0 ){ - Asemon_logger.printmess ("ERROR - Parse XML Config file : 'startDelay' for server '"+ - aMonitoredSRV.name+"' must be > 0. Purge deactivated."); + catch (NumberFormatException e) { + Asemon_logger.printmess ("ERROR - Parse XML Config file : invalid number for 'daysToKeep' for server '"+ + aMonitoredSRV.name+"'. Purge deactivated."); aMonitoredSRV.purgeArchive = false; } + + aMonitoredSRV.batchsize = 1000; + String batchsizeStr = purgeXml.getAttributeValue("batchsize"); + if (batchsizeStr!= null) try { + aMonitoredSRV.batchsize = Integer.parseInt(batchsizeStr); + } + catch (Exception e) { + Asemon_logger.printmess ("parseConfigFile : Invalid batchsize. Will be ignored."); + aMonitoredSRV.batchsize = 1000; + } + if (aMonitoredSRV.batchsize < 0){ + Asemon_logger.printmess ("parseConfigFile : Invalid batchsize. Will be ignored."); + aMonitoredSRV.batchsize = 1000; + } + } - catch (NumberFormatException e) { - Asemon_logger.printmess ("ERROR - Parse XML Config file : invalid number for 'daysToKeep' for server '"+ - aMonitoredSRV.name+"'. Purge deactivated."); - aMonitoredSRV.purgeArchive = false; + + // Packet_size + String packet_size_STR = aMSXml.getChildTextTrim("packet_size"); + if ( (packet_size_STR!=null) && (packet_size_STR.length()>0) ) { + try { + aMonitoredSRV.packet_size = Integer.parseInt(packet_size_STR); + Asemon_logger.printmess("Packet_size asked by asemon_logger for server '"+aMonitoredSRV.name+"': " + aMonitoredSRV.packet_size); + } + catch (Exception e) { + Asemon_logger.printmess ("parseConfigFile : Invalid packet_size for server '"+aMonitoredSRV.name+"'. Will be ignored."); + aMonitoredSRV.packet_size = 0; + } } - - aMonitoredSRV.batchsize = 1000; - String batchsizeStr = purgeXml.getAttributeValue("batchsize"); - if (batchsizeStr!= null) try { - aMonitoredSRV.batchsize = Integer.parseInt(batchsizeStr); + + // textsize + String textsize_STR = aMSXml.getChildTextTrim("textsize"); + if ( (textsize_STR!=null) && (textsize_STR.length()>0) ) { + try { + aMonitoredSRV.textsize = Integer.parseInt(textsize_STR); + Asemon_logger.printmess("textsize for retreiving text (XML documents) for '"+aMonitoredSRV.name+"': " + aMonitoredSRV.textsize); + } + catch (Exception e) { + Asemon_logger.printmess ("parseConfigFile : Invalid textsize for server '"+aMonitoredSRV.name+"'. Will be ignored."); + aMonitoredSRV.textsize = 32768; + } } - catch (Exception e) { - Asemon_logger.printmess ("parseConfigFile : Invalid batchsize. Will be ignored."); - aMonitoredSRV.batchsize = 1000; - } - if (aMonitoredSRV.batchsize < 0){ - Asemon_logger.printmess ("parseConfigFile : Invalid batchsize. Will be ignored."); - aMonitoredSRV.batchsize = 1000; - } - - } - - // Packet_size - packet_size_STR = aMSXml.getChildTextTrim("packet_size"); - if ( (packet_size_STR!=null) && (packet_size_STR.length()>0) ) { - try { - aMonitoredSRV.packet_size = Integer.parseInt(packet_size_STR); - Asemon_logger.printmess("Packet_size asked by asemon_logger for server '"+aMonitoredSRV.name+"': " + aMonitoredSRV.packet_size); - } - catch (Exception e) { - Asemon_logger.printmess ("parseConfigFile : Invalid packet_size for server '"+aMonitoredSRV.name+"'. Will be ignored."); - aMonitoredSRV.packet_size = 0; - } - } - - // textsize - String textsize_STR = aMSXml.getChildTextTrim("textsize"); - if ( (textsize_STR!=null) && (textsize_STR.length()>0) ) { - try { - aMonitoredSRV.textsize = Integer.parseInt(textsize_STR); - Asemon_logger.printmess("textsize for retreiving text (XML documents) for '"+aMonitoredSRV.name+"': " + aMonitoredSRV.textsize); - } - catch (Exception e) { - Asemon_logger.printmess ("parseConfigFile : Invalid textsize for server '"+aMonitoredSRV.name+"'. Will be ignored."); - aMonitoredSRV.textsize = 32768; - } - } - - - - // finaly add the monitored srv to the list - monitoredSRVs.put(aMonitoredSRV.name, aMonitoredSRV); + + + + // finaly add the monitored srv to the list + monitoredSRVs.put(aMonitoredSRV.name, aMonitoredSRV); + } } // Initialize serveur descriptors @@ -423,7 +419,7 @@ ** Validate the configuration ** Exit if error */ - void validateConfig(String fname) { + void validateConfig() { // Check parameters for archive server if ( Asemon_logger.archive_server==null ) { Asemon_logger.printmess ("ERROR Provide Ase connection to archive results"); @@ -445,20 +441,20 @@ // Retreive a monitored server (SRV) aMonitoredSRV = (MonitoredSRV)eMs.nextElement(); if (aMonitoredSRV.name==null) { - Asemon_logger.printmess ("validateConfig : (" +fname+ ") : missing server name in SRV structure" ); + Asemon_logger.printmess ("validateConfig : missing server name in SRV structure" ); System.exit(1); } if (aMonitoredSRV.user==null) { - Asemon_logger.printmess ("validateConfig : (" +fname+ ") : missing user name in SRV structure for " +aMonitoredSRV.name ); + Asemon_logger.printmess ("validateConfig : missing user name in SRV structure for " +aMonitoredSRV.name ); System.exit(1); } if (aMonitoredSRV.srvDescriptor==null) { - Asemon_logger.printmess ("validateConfig : (" +fname+ ") : missing srvDescriptor in SRV structure for "+aMonitoredSRV.name ); + Asemon_logger.printmess ("validateConfig : missing srvDescriptor in SRV structure for "+aMonitoredSRV.name ); System.exit(1); } // retreive corresponding srvDescriptor and bind it in the monitoredSrv structure if (srvDescriptors==null) { - Asemon_logger.printmess ("validateConfig : (" +fname+ ") : no SrvDescriptors" ); + Asemon_logger.printmess ("validateConfig : no SrvDescriptors" ); System.exit(1); } SrvDescriptor aSrvDescriptor; @@ -473,7 +469,7 @@ } } if (!found) { - Asemon_logger.printmess ("validateConfig : (" +fname+ ") : not all monitored servers have a corresponding srvDescriptor"); + Asemon_logger.printmess ("validateConfig : not all monitored servers have a corresponding srvDescriptor"); System.exit(1); } } @@ -492,8 +488,6 @@ MetricDescriptor md=null; try { parseConfigFile(fname); - loadMetricdescriptors(); - validateConfig(fname); } catch (Exception e){ Asemon_logger.printmess ("loadConfig : (" +fname+ ") " + e);
Discussion
Anonymous
Thank you for prototype
Just a question : why don't you group your production servers in a few config files ( say 30 servers per config file) ? A single config file can be used to monitor several servers.