Bag of hacks to get local libvirt working

capsulflask/hub_api.py

@@ -177,5 +177,5 @@ def on_create_claimed(payload, host_id):
     host=host_id,
     network_name=payload['network_name'],
     public_ipv4=payload['public_ipv4'],
-    ssh_authorized_keys=list(map(lambda x: x["name"], payload['ssh_authorized_keys'])),
-  )
+    ssh_authorized_keys=['3wc'],
+  )

capsulflask/hub_model.py

@@ -214,12 +214,13 @@ class CapsulFlaskHub(VirtualizationInterface):
       except:
         # no need to do anything here since if it cant be parsed then generic_operation will handle it.
         pass
+
+    if error_message != "":
+      raise ValueError(f"create capsul operation {operation_id} on {assigned_hosts} failed with {error_message}")
       
     if number_of_assigned != 1:
       assigned_hosts_string = ", ".join(assigned_hosts)
       raise ValueError(f"expected create capsul operation {operation_id} to be assigned to one host, it was assigned to {number_of_assigned} ({assigned_hosts_string})")
-    if error_message != "":
-      raise ValueError(f"create capsul operation {operation_id} on {assigned_hosts_string} failed with {error_message}")
       
 
   def destroy(self, email: str, id: str):

capsulflask/shell_scripts/capacity-avaliable.sh

@@ -3,7 +3,7 @@
 # check available RAM and IPv4s
 
 ram_bytes_to_allocate="$1"
-ram_bytes_available=$(grep -E "^(size|memory_available_bytes)" /proc/spl/kstat/zfs/arcstats | awk '{sum+=$3} END {printf "%.0f", sum}')
+ram_bytes_available="$(($(grep Available /proc/meminfo | grep -o '[0-9]*') * 1024))"
 ram_bytes_remainder="$((ram_bytes_available - ram_bytes_to_allocate))"
 
 if echo "$ram_bytes_to_allocate" | grep -vqE "^[0-9]+$"; then
@@ -11,8 +11,8 @@ if echo "$ram_bytes_to_allocate" | grep -vqE "^[0-9]+$"; then
   exit 1
 fi
 
-# 20GB
-if [ "$ram_bytes_remainder" -le $((20 * 1024 * 1024 * 1024)) ]; then
+# 0.25GB
+if [ "$ram_bytes_remainder" -le $((1 * 1024 * 1024 * 1024 / 4)) ]; then
   echo "VM is requesting more RAM than $(hostname -f) has available."
   echo "Bytes requested: $ram_bytes_to_allocate"
   echo "Bytes available: $ram_bytes_available"

capsulflask/shell_scripts/create.sh

@@ -6,6 +6,7 @@
 
 vmname="$1"
 template_file="/tank/img/$2"
+qemu_tank_dir="/home/f/Projects/Cyberia/tank"
 vcpus="$3"
 memory="$4"
 pubkeys="$5"
@@ -50,40 +51,40 @@ if echo "$public_ipv4" | grep -vqE "^[0-9.]+$"; then
   exit 1
 fi
 
-disk="/tank/vm/$vmname.qcow2"
-cdrom="/tank/vm/$vmname.iso"
-xml="/tank/vm/$vmname.xml"
+disk="$vmname.qcow2"
+cdrom="$vmname.iso"
+xml="$vmname.xml"
 
 if [ -f /tank/vm/$vmname.qcow2 ]; then
     echo "Randomly generated name matched an existing VM! Odds are like one in a billion. Buy a lotto ticket."
     exit 1
 fi
 
-cp "$template_file" "$disk"
+cp "$template_file" "/tank/vm/$disk"
 cp /tank/config/cyberia-cloudinit.yml /tmp/cloudinit.yml
 echo "$pubkeys" | while IFS= read -r line; do
   echo "      - $line" >> /tmp/cloudinit.yml
 done
 
-cloud-localds "$cdrom" /tmp/cloudinit.yml
+cloud-localds "/tank/vm/$cdrom" /tmp/cloudinit.yml
 
-qemu-img resize "$disk" "$root_volume_size"
+qemu-img resize "/tank/vm/$disk" "$root_volume_size"
 virt-install \
     --memory "$memory" \
     --vcpus "$vcpus" \
     --name "$vmname" \
-    --disk "$disk",bus=virtio \
-    --disk "$cdrom",device=cdrom \
+    --disk "$qemu_tank_dir/vm/$disk",bus=virtio \
+    --disk "$qemu_tank_dir/vm/$cdrom",device=cdrom \
     --os-type Linux \
     --os-variant generic \
     --virt-type kvm \
     --graphics vnc,listen=127.0.0.1 \
     --network network=$network_name,filterref=clean-traffic,model=virtio \
     --import \
-    --print-xml > "$xml"
+    --print-xml > "/tank/vm/$xml"
 
-chmod 0600 "$xml" "$disk" "$cdrom"
-virsh define "$xml"
+chmod 0600 "/tank/vm/$xml" "/tank/vm/$disk" "/tank/vm/$cdrom"
+virsh define "/tank/vm/$xml"
 virsh start "$vmname"
 
 echo "success"