From 6a5b1e8451a0b484c162e78b1ec604098e697bdb Mon Sep 17 00:00:00 2001
From: Neill Cox <ncox@redhat.com>
Date: Wed, 20 Sep 2023 12:02:40 +1000
Subject: [PATCH] Add libvirt helpers

---
 virt-install/cmd.sh           | 46 +++++++++++++++++++++++++++++
 virt-install/create_aio_vm.py | 54 +++++++++++++++++++++++++++++++++++
 virt-install/meta-data.tpl    |  2 ++
 virt-install/user-data.tpl    |  6 ++++
 4 files changed, 108 insertions(+)
 create mode 100644 virt-install/cmd.sh
 create mode 100644 virt-install/create_aio_vm.py
 create mode 100644 virt-install/meta-data.tpl
 create mode 100644 virt-install/user-data.tpl

diff --git a/virt-install/cmd.sh b/virt-install/cmd.sh
new file mode 100644
index 0000000..fc8c499
--- /dev/null
+++ b/virt-install/cmd.sh
@@ -0,0 +1,46 @@
+# sudo dnf install -y guestfs-tools
+
+# sudo dnf install virt-viewer ??
+
+
+
+qemu-img create -f qcow2 -o preallocation=metadata test.qcow2 100G
+
+virt-resize --expand /dev/sda3 /home/ncox/Downloads/rhel-guest-image-8.4-1269.x86_64.qcow2 ./test.qcow2
+
+# Run under sudo - won't work as a user mode install
+sudo virt-install \
+  --os-variant rhel8.4 \
+  --name test \
+  --memory 2048 \
+  --disk ./test.qcow2 \
+  --import \
+  --graphics spice,listen=0.0.0.0 \
+  --video virtio \
+  --channel spicevmc \
+  --wait 0 \
+  --cloud-init meta-data=./meta-data,user-data=./user-data \
+
+
+
+  --network \
+  --network 
+
+
+
+  
+  
+  
+  --network br0 \
+  
+  
+  
+  --extra-args "ip=192.168.1.2::192.168.1.1:255.255.255.0:test.example.com:eth0:none"
+
+  [root@rhel-8 ~]# virt-install 
+  --name centos8-2 --memory 10240 --vcpus=2 
+  --cdrom=/tmp/rhel-server-7.6-x86_64-dvd.iso  
+  --disk path=/disks/centos8-2.qcow2,size=20,format=qcow2 
+  --network bridge=nm-bridge --graphics=vnc -v
+
+Starting install...
\ No newline at end of file
diff --git a/virt-install/create_aio_vm.py b/virt-install/create_aio_vm.py
new file mode 100644
index 0000000..fe143cb
--- /dev/null
+++ b/virt-install/create_aio_vm.py
@@ -0,0 +1,54 @@
+import argparse
+import pathlib
+import subprocess
+
+MD_PATH = "./meta-data"
+UD_PATH = "./user-data"
+
+def parse_args():
+    parser = argparse.ArgumentParser()
+    parser.add_argument("--password", required=True)
+    parser.add_argument("--public-key", required=True, type=open)
+    parser.add_argument("--local-hostname", default="aio3.gpslab.cbr.redhat.com")
+    parser.add_argument("--user-data", default="./user-data.tpl", type=open)
+    parser.add_argument("--meta-data", default="./meta-data.tpl", type=open)
+    parser.add_argument("--instance-id", default="aio3")
+    
+    args = parser.parse_args()
+
+    args.public_key = args.public_key.read()
+    
+    args.user_data = args.user_data.read()
+    args.user_data = args.user_data.format(data=args)
+    
+    args.meta_data = args.meta_data.read()
+    args.meta_data = args.meta_data.format(data=args)
+
+    return args
+
+def write_user_data(user_data):
+    with open(UD_PATH, "w", encoding="utf-8") as user_data_file:
+        user_data_file.write(user_data)
+
+def write_meta_data(meta_data):
+    with open(MD_PATH, "w", encoding="utf-8") as meta_data_file:
+        meta_data_file.write(meta_data)
+
+def delete_meta_data():
+    pathlib.Path.unlink(MD_PATH) 
+    
+def delete_user_data():
+    pathlib.Path.unlink(UD_PATH) 
+
+def main():
+    args = parse_args()
+
+    print(args)
+    write_meta_data(args.meta_data)
+    write_user_data(args.user_data)
+
+    delete_meta_data()
+    delete_user_data()
+
+if __name__ == '__main__':
+    main()
\ No newline at end of file
diff --git a/virt-install/meta-data.tpl b/virt-install/meta-data.tpl
new file mode 100644
index 0000000..9a577ba
--- /dev/null
+++ b/virt-install/meta-data.tpl
@@ -0,0 +1,2 @@
+instance-id: {data.instance_id}
+local-hostname: {data.local_hostname}
diff --git a/virt-install/user-data.tpl b/virt-install/user-data.tpl
new file mode 100644
index 0000000..ea2c172
--- /dev/null
+++ b/virt-install/user-data.tpl
@@ -0,0 +1,6 @@
+#cloud-config
+password: {data.password}
+chpasswd: {{expire: False}}
+ssh_pwauth: True
+ssh_authorized_keys:
+  - {data.public_key}