Gangams/windows telegraf update (#1359)

* update to latest available telegraf version for windows
* fix configpath format

Author: ganga1980

build/common/installer/scripts/tomlparser-prom-customconfig.rb

@@ -114,11 +114,6 @@ def createPrometheusPluginsWithNamespaceSetting(monitorKubernetesPods, monitorKu
     new_contents = new_contents.gsub("$AZMON_TELEGRAF_CUSTOM_PROM_SCRAPE_SCOPE", "# Commenting this out since new plugins will be created per namespace\n  # $AZMON_TELEGRAF_CUSTOM_PROM_SCRAPE_SCOPE")
 
     timeout_config_key = "timeout"
-    if is_windows?
-      # For windows, the timeout config key is different because of old version of telegraf
-      timeout_config_key = "response_timeout"
-    end
-
     pluginConfigsWithNamespaces = ""
     monitorKubernetesPodsNamespaces.each do |namespace|
       if !namespace.nil?

build/windows/installer/conf/telegraf.conf

@@ -124,7 +124,7 @@
 #Prometheus Custom Metrics
 [[inputs.prometheus]]
   interval = "$AZMON_TELEGRAF_CUSTOM_PROM_INTERVAL"
-  
+
   ## Scrape Kubernetes pods for the following prometheus annotations:
   ## - prometheus.io/scrape: Enable scraping for this pod
   ## - prometheus.io/scheme: If the metrics endpoint is secured then you will need to
@@ -150,7 +150,7 @@
   # bearer_token_string = "abc_123"
 
   ## Specify timeout duration for slower prometheus clients (default is 3s)
-  response_timeout = "15s"
+  timeout = "15s"
 
   ## Optional TLS Config
   tls_ca = "/var/run/secrets/kubernetes.io/serviceaccount/ca.crt"

kubernetes/windows/Dockerfile

@@ -102,6 +102,7 @@ ENV APPLICATIONINSIGHTS_AUTH "NzAwZGM5OGYtYTdhZC00NThkLWI5NWMtMjA3ZjM3NmM3YmRi"
 ENV AZMON_COLLECT_ENV False
 ENV CI_CERT_LOCATION "C://oms.crt"
 ENV CI_KEY_LOCATION "C://oms.key"
+ENV TELEGRAF_CONFIG_PATH "/etc/telegraf/telegraf.conf"
 
 # Delete unnecessary files
 RUN powershell -Command "Remove-Item -Recurse -Force 'C:\ruby31\share\doc\ruby\html\js'; \

kubernetes/windows/main.ps1

@@ -812,6 +812,15 @@ function Start-Telegraf {
             Write-Host "Failed to set environment variable NODE_IP for target 'machine' since it is either null or empty"
         }
 
+        $telegrafConfigPath = [System.Environment]::GetEnvironmentVariable("TELEGRAF_CONFIG_PATH", "process")
+        if (![string]::IsNullOrEmpty($telegrafConfigPath)) {
+            [System.Environment]::SetEnvironmentVariable("TELEGRAF_CONFIG_PATH", $telegrafConfigPath, "machine")
+            Write-Host "Successfully set environment variable TELEGRAF_CONFIG_PATH - $($telegrafConfigPath) for target 'machine'..."
+        }
+        else {
+            Write-Host "Failed to set environment variable TELEGRAF_CONFIG_PATH for target 'machine' since it is either null or empty"
+        }
+
         $hostName = [System.Environment]::GetEnvironmentVariable("HOSTNAME", "process")
         Write-Host "nodename: $($hostName)"
         Write-Host "replacing nodename in telegraf config"
@@ -843,8 +852,8 @@ function Start-Telegraf {
             }
             Write-Host "Running telegraf service in test mode"
             C:\opt\telegraf\telegraf.exe --config "C:\etc\telegraf\telegraf.conf" --test
-            Write-Host "Starting telegraf service"
-            C:\opt\telegraf\telegraf.exe --service start
+            Write-Host "Starting telegraf service with auto restart"
+            C:\opt\telegraf\telegraf.exe --service-auto-restart
 
             # Trying to start telegraf again if it did not start due to fluent bit not being ready at startup
             Get-Service telegraf | findstr Running

kubernetes/windows/setup.ps1

@@ -42,7 +42,7 @@ Write-Host ('Finished Installing Fluentbit')
 Write-Host ('Installing Telegraf');
 try {
     # For next telegraf update, make sure to update config changes in telegraf.conf, tomlparser-prom-customconfig.rb and tomlparser-osm-config.rb
-    $telegrafUri='https://dl.influxdata.com/telegraf/releases/telegraf-1.24.2_windows_amd64.zip'
+    $telegrafUri='https://dl.influxdata.com/telegraf/releases/telegraf-1.33.1_windows_amd64.zip'
     Invoke-WebRequest -Uri $telegrafUri -OutFile /installation/telegraf.zip
     Expand-Archive -Path /installation/telegraf.zip -Destination /installation/telegraf
     Move-Item -Path /installation/telegraf/*/* -Destination /opt/telegraf/ -ErrorAction SilentlyContinue