From 26addc9b5a061d57235703c4e4c5391b322fb9ae Mon Sep 17 00:00:00 2001
From: kneutron <50146127+kneutron@users.noreply.github.com>
Date: Fri, 16 Aug 2024 18:36:34 -0600
Subject: [PATCH] added features parallel, ctr

---
 proxmox/proxmox-list-vm-snapshots.sh | 79 ++++++++++++++++++++++++++++
 1 file changed, 79 insertions(+)
 create mode 100644 proxmox/proxmox-list-vm-snapshots.sh

diff --git a/proxmox/proxmox-list-vm-snapshots.sh b/proxmox/proxmox-list-vm-snapshots.sh
new file mode 100644
index 0000000..f2c46b6
--- /dev/null
+++ b/proxmox/proxmox-list-vm-snapshots.sh
@@ -0,0 +1,79 @@
+#!/bin/bash
+
+# 2024.Aug kneutron
+
+# Feature - parallel process if # of VMs is > 15
+# Feature - now works with either VM / CTR VMID
+
+# REQUIRES: parallel awk grep
+
+# arg1 = vmid
+if [ "$1" = "" ]; then
+# list all; 
+  echo "$(date) - Listing all VM snapshots"
+# xxx TODO EDITME - change this if you favor CTR count over VMs
+#  if [ $(pct list |wc -l) -gt 15 ]; then
+  if [ $(qm list |wc -l) -gt 15 ]; then
+#  DONE parallel to sep tmp files, sort and cat
+  
+# create list of VM IDs on thisnode
+    tmpdir=/dev/shm
+    vmlistf=$tmpdir/vmlist.infile
+    ctrlistf=$tmpdir/ctrlist.infile
+  
+    para=/usr/bin/parallel
+# REF: https://stackoverflow.com/questions/22187834/gnu-parallel-output-each-job-to-a-different-file
+    [ -e $para ] || apt-get install -y parallel
+
+# auto cleanup
+    /bin/rm -f $tmpdir/proxmox-snaplist* "$vmlistf" "$ctrlistf"
+  
+# populate
+    echo "$(date) - Getting list of VMs"
+    qm list |grep -v VMID |awk '{print "qm listsnapshot "$1}' > "$vmlistf"
+ 
+    echo "$(date) - Getting list of CTRs"
+    pct list |grep -v VMID |awk '{print "pct listsnapshot "$1}' > "$ctrlistf"
+    
+    limitt=5
+    cd $tmpdir
+  
+    echo "$(date) - Processing VM list in parallel"
+    time cat $vmlistf |$para  -j $limitt --results proxmox-snaplist-{}.out 
+    date
+ 
+    echo "$(date) - Processing CTR list in parallel"
+    time cat $ctrlistf |$para  -j $limitt --results proxmox-snaplist-{}.out 
+    date
+  
+# show filename
+    tail -n +1 proxmox-snaplist-pct*.out #|less
+    tail -n +1 proxmox-snaplist-qm*.out #|less
+      
+  else
+    for vmid in $(pct list |grep -v VMID |awk '{print $1}'); do
+      echo "$(date) === CTR VMID: $vmid" 
+      pct listsnapshot $vmid 
+    done
+    for vmid in $(qm list |grep -v VMID |awk '{print $1}'); do
+      echo "$(date) === VMID: $vmid" 
+      qm listsnapshot $vmid 
+    done
+  fi
+else
+# we got passed an arg
+  time qm listsnapshot $1 2>/dev/null || time pct listsnapshot $1
+fi
+
+# PROTIP: pipe output to awk 'NF>0' to get rid of blank lines
+
+exit;
+
+# REF: https://phoenixnap.com/kb/proxmox-delete-vm#ftoc-heading-9
+# qm listsnapshot 126
+`-> b4-nic-change               2024-05-02 17:54:37     powered off!
+ `-> current                                            You are here!
+
+# to delete snapshot:
+# qm delsnapshot [vmid] [snapshot_name]
+# pct delsnapshot <vmid> <snapname> [OPTIONS] # for CTR