change analytics config (cloudbees#56)

* change analytics config

* suggested changes

Author: kuisathaverat

modifiedAnalyticsConfig.groovy

@@ -0,0 +1,51 @@
+/**
+@Author kuisathaverat
+@description This script allow to modified the Elasticsearch configuration from groovy.
+**/
+import com.cloudbees.opscenter.analytics.reporter.*
+import com.cloudbees.opscenter.analytics.AnalyticsConfiguration
+import hudson.XmlFile
+import hudson.util.XStream2
+
+def j = Jenkins.getInstance()
+def config = AnalyticsConfiguration.get()
+
+def providerES = config.getElasticsearchProvider()
+def provider = config.getElasticsearchLocator().getProvider();
+
+println config.backupInterval
+println config.backupsEnabled
+println config.backupNumSnapshots
+println config.backupPath
+println config.backupName
+
+println providerES.urls
+println providerES.credentialsId
+println providerES.authScheme
+
+config.backupInterval = 300
+config.backupsEnabled = true
+config.backupNumSnapshots = 5
+config.backupPath = '/var/lib/somewhere'
+config.backupName = 'CloudBees-Jenkins-Analytics'
+
+providerES.urls = [new URL('http://URL_TO_ES/changed')]
+//read only properties
+//providerES.credentialsId = 'b312f53c-ce46-448f-9562-79d0b83e52f6'
+//providerES.authScheme = 'BASIC'
+
+config.elasticsearchProvider.ensureStopped()
+
+/**
+// hard way writing the XML to disk
+try {
+    def configXml = new XmlFile(new File(j.getRootDir(), "operations-center-analytics-config.xml"))
+    XStream2 xs = new XStream2()
+    configXml.write(config)
+} catch (IOException e) {
+    throw new Exception(e, "elasticsearchProvider")
+}
+**/
+
+AnalyticsConfiguration.get().save()
+AnalyticsConfiguration.get().elasticsearchProvider.ensureStarted()