NPM - add windows debug scripts

debug/windows/npm/README.md

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+# Introduction 
+
+This script will collect Windows NPM logs and the HNS and VFP state of the cluster and write them to a new local folder.
+
+## How to collect logs
+
+In a PowerShell terminal, navigate to the `azure-container-networking/debug/windows/npm folder`. Make sure your kubectl is configured to point to the cluster you want to collect logs from (`az aks get-credentials -g <resource-group> -n <cluster-name>`) and run `.\win-debug.ps1`. The script will create a new folder called logs_DATE containing the results.

debug/windows/npm/pod_exec.ps1

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+param([string]$podIps)
+$filepath = "logs"
+
+$podIp = @()
+foreach ($r in ($podIps -split " ")) {
+    $podIp += $r
+}
+
+ (Get-HnsNetwork | ? Name -Like azure).Policies >>( New-Item -Path ./$filepath/hns_state.out -Force )
+ Get-HnsEndpoint | ConvertTo-Json >> $filepath/hns_state.out
+
+
+ foreach ($row in $podIp) {    
+    Write-Output "Gathering logs for IP $row"
+    [string]$endpoint = hnsdiag list endpoints | select-string -context 2, 0 "$row"
+    if($endpoint -ne $null){
+        $endpointID = $endpoint.Substring($endpoint.IndexOf(":")+2,37).Trim()
+        hnsdiag list endpoints | select-string -context 2, 0 "$row" >> $filepath/vfp_state_$row.out     
+        vfpctrl /port $endpointID /list-tag >> $filepath/vfp_state_$row.out
+        vfpctrl /port $endpointID /layer ACL_ENDPOINT_LAYER /list-rule >> $filepath/vfp_state_$row.out
+    }
+ }
+
+ Compress-Archive -Path 'logs' -DestinationPath 'logs.zip' -Force
+
+exit

debug/windows/npm/win-debug.ps1

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+$filepath = "logs_$((Get-Date).ToString('MM-dd-yyyy'))"
+kubectl get pod -A -o wide >> ( New-Item -Path ./$filepath/allpods.out -Force )
+$npmpod = kubectl get pod -n kube-system -owide --output=custom-columns='Name:.metadata.name,Node:spec.nodeName' | Select-String "npm-win"
+$rows = @()
+foreach ($row in (-split $npmpod)) {
+    $rows += $row
+}
+
+for ($i = 0; $i -lt $rows.Length; $i += 2) {
+    $npm = $rows[$i]
+    $node = $rows[$i + 1]
+
+    Write-Output "Gathering logs for node $node"
+
+    $ip = kubectl get pod -n kube-system -owide --output=custom-columns='IP:.status.podIP,Node:spec.nodeName' | Select-String "$node"
+    $ip = (-split $ip)
+    [string] $ips = ""
+    for ($j = 0; $j -lt $ip.Length; $j += 2) {
+        if($j -ne $ip.Length-2){
+            $ips += $ip[$j] + " "}
+            else{
+                $ips += $ip[$j]
+            }
+    }  
+
+    kubectl logs -n kube-system $npm >> $filepath/logs_$npm.out
+    kubectl cp ./pod_exec.ps1 kube-system/"$npm":execw.ps1
+    kubectl exec -it -n kube-system $npm -- powershell.exe -Command  .\execw.ps1 "'$ips'"
+    kubectl cp kube-system/"$npm":logs.zip ./$filepath/logs_$node.zip
+}