Improved ghetto-terraform

README.md

@@ -0,0 +1 @@
+Download cloud images from: https://cloud-images.ubuntu.com/focal/current/

ansible/inventory.yaml

@@ -1,70 +1,70 @@
 # ip addresses could be acquired from the vms after they're created
 cloud-1:
   vars:
-    magic_router_ip: 192.168.100.10
+    magic_router_ip: 192.168.110.10
     magic_routes:
-     - 192.168.101.0/24
+     - 192.168.111.0/24
-     - 192.168.102.0/24
+     - 192.168.112.0/24
-     - 192.168.103.0/24
+     - 192.168.113.0/24
     ansible_become: true
     ansible_user: ubuntu
   hosts:
     cloud-cluster-1-master-1:
-      ansible_host: 192.168.100.131
+      ansible_host: 192.168.110.100
     cloud-cluster-1-worker-1:
-      ansible_host: 192.168.100.239
+      ansible_host: 192.168.110.101
     cloud-cluster-1-worker-2:
-      ansible_host: 192.168.100.247
+      ansible_host: 192.168.110.102
 
 
 edge-1:
   vars:
-    magic_router_ip: 192.168.101.10
+    magic_router_ip: 192.168.111.10
     magic_routes:
-     - 192.168.100.0/24
+     - 192.168.110.0/24
-     - 192.168.102.0/24
+     - 192.168.112.0/24
-     - 192.168.103.0/24
+     - 192.168.113.0/24
     ansible_become: true
     ansible_user: ubuntu
   hosts:
     edge-cluster-1-master-1:
-      ansible_host: 192.168.101.254
+      ansible_host: 192.168.111.100
     edge-cluster-1-worker-1:
-      ansible_host: 192.168.101.197
+      ansible_host: 192.168.111.101
     edge-cluster-1-worker-2:
-      ansible_host: 192.168.101.234
+      ansible_host: 192.168.111.102
 
 edge-2:
   become: true
   user: ubuntu
   vars:
-    magic_router_ip: 192.168.102.10
+    magic_router_ip: 192.168.112.10
     magic_routes:
-     - 192.168.100.0/24
+     - 192.168.110.0/24
-     - 192.168.101.0/24
+     - 192.168.111.0/24
-     - 192.168.103.0/24
+     - 192.168.113.0/24
     ansible_become: true
     ansible_user: ubuntu
   hosts:
     edge-cluster-2-master-1:
-      ansible_host: 192.168.102.226
+      ansible_host: 192.168.112.100
     edge-cluster-2-worker-1:
-      ansible_host: 192.168.102.180
+      ansible_host: 192.168.112.101
     edge-cluster-2-worker-2:
-      ansible_host: 192.168.102.238
+      ansible_host: 192.168.112.102
 
 site-1:
   vars:
-    magic_router_ip: 192.168.103.10
+    magic_router_ip: 192.168.113.10
     magic_routes:
-     - 192.168.100.0/24
+     - 192.168.110.0/24
-     - 192.168.101.0/24
+     - 192.168.111.0/24
-     - 192.168.102.0/24
+     - 192.168.112.0/24
     ansible_become: true
     ansible_user: ubuntu
   hosts:
     site-emulator-1:
-      ansible_host: 192.168.103.169
+      ansible_host: 192.168.113.100
 
 all:
   children:

hosts

@@ -0,0 +1,22 @@
+# [hostname]            [ram]   [network] [ipaddr]
+# Tabs are not allowed, only a single space
+# cloud cluster
+cloud-cluster-1-master-1 2048 cloud 192.168.110.100
+cloud-cluster-1-worker-1 4096 cloud 192.168.110.101
+cloud-cluster-1-worker-2 4096 cloud 192.168.110.102
+
+# edge-1
+edge-cluster-1-master-1 2048 edge-1 192.168.111.100
+edge-cluster-1-worker-1 4096 edge-1 192.168.111.101
+edge-cluster-1-worker-2 4096 edge-1 192.168.111.102
+
+# edge-2
+edge-cluster-2-master-1 2048 edge-2 192.168.112.100
+edge-cluster-2-worker-1 4096 edge-2 192.168.112.101
+edge-cluster-2-worker-2 4096 edge-2 192.168.112.102
+
+# site
+site-emulator-1 2048 site 192.168.113.100
+
+# magic router
+magic-router 1024 cloud,edge-1,edge-2,site -

vm_generator/hosts

@@ -1,13 +0,0 @@
-edge-cluster-1-master-1 edge-1 2048
-edge-cluster-1-worker-1 edge-1 4096
-edge-cluster-1-worker-2 edge-1 4096
-
-edge-cluster-2-master-1 edge-2 2048
-edge-cluster-2-worker-1 edge-2 4096
-edge-cluster-2-worker-2 edge-2 4096
-
-cloud-cluster-1-master-1 cloud 2048
-cloud-cluster-1-worker-1 cloud 4096
-cloud-cluster-1-worker-2 cloud 4096
-
-site-emulator-1 site 2048

vm_generator_local/generate.py

@@ -32,6 +32,7 @@ chpasswd:
   expire: False
 packages:
   - qemu-guest-agent
+  - python3
 # written to /var/log/cloud-init-output.log
 final_message: "The system is finally up, after $UPTIME seconds"
 """
@@ -134,10 +135,7 @@ libvirt = """<domain type="kvm">
     <controller type="virtio-serial" index="0">
       <address type="pci" domain="0x0000" bus="0x04" slot="0x00" function="0x0"/>
     </controller>
-    <interface type="network">
+{interfacecfg}
-      <source network="{virbr}"/>
-      <model type="virtio"/>
-    </interface>
     <serial type="pty">
       <target type="isa-serial" port="0">
         <model name="isa-serial"/>
@@ -162,9 +160,6 @@ libvirt = """<domain type="kvm">
     <graphics type="spice" autoport="yes">
       <listen type="address"/>
     </graphics>
-    <sound model="ich9">
-      <address type="pci" domain="0x0000" bus="0x00" slot="0x1b" function="0x0"/>
-    </sound>
     <audio id="1" type="spice"/>
     <video>
       <model type="qxl" ram="65536" vram="65536" vgamem="16384" heads="1" primary="yes"/>
@@ -187,59 +182,96 @@ libvirt = """<domain type="kvm">
 </domain>
 """
 
+
+def run_iso(outdir:str, hostname:str, ipaddr:str):
+  isoout = os.path.join(outdir, 'iso')
+  
+  fhandle, fname = tempfile.mkstemp(suffix='.yaml')
+  with open(fhandle, "wt") as of:
+	  of.write(
+      cloudinit.format(hostname=hostname)
+    )
+  
+  os.makedirs(isoout, exist_ok=True)
+  os.system(f'cloud-localds -v {isoout}/cloudinit-{hostname}.iso {fname}')
+  os.unlink(fname)
+
+def run_img(outdir:str, hostname:str, img_src:str):
+  imgout = os.path.join(outdir, 'img')
+  os.makedirs(imgout, exist_ok=True)
+
+  hostdrive = os.path.join(imgout, f"{hostname}.qcow2")
+
+  shutil.copy(img_src, hostdrive)
+  os.system(f"qemu-img resize {hostdrive} +100G")
+  
+
+def run_xml(outdir:str, hostname:str, ram:int, net:str, ipaddr:str):
+  xmlout = os.path.join(outdir, 'xml')
+  isoout = os.path.join(outdir, 'iso')
+  cloudinitiso = os.path.join(isoout, f"cloudinit-{hostname}.iso")
+  imgout = os.path.join(outdir, 'img')
+  hostdrive = os.path.join(imgout, f"{hostname}.qcow2")
+  os.makedirs(xmlout, exist_ok=True)
+
+  interfacecfg = ""
+
+  for n in net.split(','):
+    interfacecfg += f"""    <interface type="network">
+        <source network="{n}"/>
+        <model type="virtio"/>
+      </interface>"""
+
+
+  with open(os.path.join(xmlout, f"{hostname}.xml"), "wt") as of:
+    of.write(
+      libvirt.format(
+        hostname=hostname,
+        ram=ram,
+        interfacecfg=interfacecfg,
+        cloudinitiso=cloudinitiso,
+        hostdrive=hostdrive
+      )
+    )
+
+
 def main():
 
-	if len(sys.argv) < 2:
+  if len(sys.argv) < 3:
-		print("Usage: generate.py [workdir] [image source]")
+    print("Usage: generate.py [stage] [hostsfile] [image source] [output]")
-		return
+    return
 
-	workdir = sys.argv[1]
+  stage = sys.argv[1]
-	img_src = sys.argv[2]
+  hostsfile = sys.argv[2]
+  img_src = sys.argv[3]
+  outdir = sys.argv[4]
 
-	os.makedirs(os.path.join(workdir, 'xml'), exist_ok=True)
+  if stage not in ['all', 'img', 'iso', 'xml']:
-	os.makedirs(os.path.join(workdir, 'img'), exist_ok=True)
+    print("Stage should be: all, img, iso or xml")
-	os.makedirs(os.path.join(workdir, 'iso'), exist_ok=True)
+    return
 
-	with open(os.path.join(workdir, 'hosts'), 'rt') as f:
+  with open(hostsfile, 'rt') as f:
 
-		for line in f:
+    for line in f:
-			line = line.replace('\n','')
+      line = line.replace('\n','').strip()
-			if not line:
+      if not line or line.startswith('#'):
-				# skip empty lines
+        # skip empty and comment lines
-				continue
+        continue
 
-			hostname, virbr, ram = line.split(' ')
+      hostname, ram, net, ipaddr = line.split(' ')
-			ram=int(ram)
+      ram=int(ram)
+      ipaddr = None if ipaddr == '-' else ipaddr
 
-			print("Working on",hostname)
+      print(f"Working on {hostname}...")
+      if stage in ['iso', 'all']:
+        run_iso(outdir, hostname, ipaddr)
 
+      if stage in ['img', 'all']:
+        run_img(outdir,hostname, img_src)
 
-			fhandle, fname = tempfile.mkstemp(suffix='.yaml')
+      if stage in ['xml', 'all']:
-			with open(fhandle, "wt") as of:
+        run_xml(outdir,hostname, ram, net, ipaddr)
-				of.write(
-					cloudinit.format(hostname=hostname)
-				)
-
-			os.system(f'cloud-localds -v {workdir}/iso/cloudinit-{hostname}.iso {fname}')
-
-			os.unlink(fname)
-
-			hostdrive = os.path.join(workdir, f"img/{hostname}.qcow2")
-
-			with open(os.path.join(workdir, f"xml/{hostname}.xml"), "wt") as of:
-				of.write(
-					libvirt.format(
-						hostname=hostname,
-						ram=ram,
-						virbr=virbr,
-						cloudinitiso=os.path.join(workdir, f"iso/cloudinit-{hostname}.iso"),
-						hostdrive=hostdrive
-					)
-				)
-
-			shutil.copy(img_src, hostdrive)
-			os.system(f"qemu-img resize {hostdrive} +100G")
 
 
 if __name__ == "__main__":
-	main()
+  main()

vm_generator_luna/generate.py

@@ -0,0 +1,297 @@
+import sys
+import tempfile
+import os
+import os.path
+
+# For some weird reason cloud-init won't work with files dumped by pyyaml, and I'm fucking tired of debugging this
+cloudinit = """#cloud-config
+hostname: {hostname}
+fqdn: {hostname}.local
+manage_etc_hosts: true
+users:
+  - name: ubuntu
+    sudo: ALL=(ALL) NOPASSWD:ALL
+    groups: users, admin, sudo
+    home: /home/ubuntu
+    shell: /bin/bash
+    lock_passwd: false
+    ssh-authorized-keys:
+      - ssh-rsa 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
+      - ssh-rsa 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
+      - ssh-rsa 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
+      - ssh-rsa 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
+      - ssh-rsa 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
+
+# only cert auth via ssh (console access can still login)
+ssh_pwauth: false
+disable_root: true
+chpasswd:
+  list: |
+     ubuntu:ansibleme
+  expire: False
+packages:
+  - qemu-guest-agent
+  - python3
+# written to /var/log/cloud-init-output.log
+final_message: "The system is finally up, after $UPTIME seconds"
+"""
+
+netplan = """version: 2
+ethernets:
+  enp1s0:
+     dhcp4: false
+     dhcp6: false
+     addresses: [ {addr}/24 ]
+     gateway4: {gateway}
+     nameservers:
+       addresses: [ 8.8.8.8, 8.8.4.4 ]
+       search: [ local ]
+"""
+
+libvirt = """<domain type="kvm">
+  <name>{hostname}</name>
+  <metadata>
+    <libosinfo:libosinfo xmlns:libosinfo="http://libosinfo.org/xmlns/libvirt/domain/1.0">
+      <libosinfo:os id="http://ubuntu.com/ubuntu/20.04"/>
+    </libosinfo:libosinfo>
+  </metadata>
+  <memory unit="MiB">{ram}</memory>
+  <currentMemory unit="MiB">{ram}</currentMemory>
+  <vcpu placement="static">2</vcpu>
+  <os>
+    <type arch="x86_64" machine="pc-q35-6.1">hvm</type>
+    <boot dev="hd"/>
+  </os>
+  <features>
+    <acpi/>
+    <apic/>
+    <vmport state="off"/>
+  </features>
+  <cpu mode="host-model" check="partial"/>
+  <clock offset="utc">
+    <timer name="rtc" tickpolicy="catchup"/>
+    <timer name="pit" tickpolicy="delay"/>
+    <timer name="hpet" present="no"/>
+  </clock>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <pm>
+    <suspend-to-mem enabled="no"/>
+    <suspend-to-disk enabled="no"/>
+  </pm>
+  <devices>
+    <emulator>/usr/bin/qemu-system-x86_64</emulator>
+    <disk type="file" device="cdrom">
+      <driver name="qemu" type="raw"/>
+      <source file="{cloudinitiso}"/>
+      <target dev="sda" bus="sata"/>
+      <readonly/>
+    </disk>
+    <disk type="file" device="disk">
+      <driver name="qemu" type="qcow2"/>
+      <source file="{hostdrive}"/>
+      <target dev="vda" bus="virtio"/>
+    </disk>
+    <controller type="usb" index="0" model="qemu-xhci" ports="15">
+      <address type="pci" domain="0x0000" bus="0x02" slot="0x00" function="0x0"/>
+    </controller>
+    <controller type="scsi" index="0" model="virtio-scsi">
+      <address type="pci" domain="0x0000" bus="0x03" slot="0x00" function="0x0"/>
+    </controller>
+    <controller type="sata" index="0">
+      <address type="pci" domain="0x0000" bus="0x00" slot="0x1f" function="0x2"/>
+    </controller>
+    <controller type="pci" index="0" model="pcie-root"/>
+    <controller type="pci" index="1" model="pcie-root-port">
+      <model name="pcie-root-port"/>
+      <target chassis="1" port="0x10"/>
+      <address type="pci" domain="0x0000" bus="0x00" slot="0x02" function="0x0" multifunction="on"/>
+    </controller>
+    <controller type="pci" index="2" model="pcie-root-port">
+      <model name="pcie-root-port"/>
+      <target chassis="2" port="0x11"/>
+      <address type="pci" domain="0x0000" bus="0x00" slot="0x02" function="0x1"/>
+    </controller>
+    <controller type="pci" index="3" model="pcie-root-port">
+      <model name="pcie-root-port"/>
+      <target chassis="3" port="0x12"/>
+      <address type="pci" domain="0x0000" bus="0x00" slot="0x02" function="0x2"/>
+    </controller>
+    <controller type="pci" index="4" model="pcie-root-port">
+      <model name="pcie-root-port"/>
+      <target chassis="4" port="0x13"/>
+      <address type="pci" domain="0x0000" bus="0x00" slot="0x02" function="0x3"/>
+    </controller>
+    <controller type="pci" index="5" model="pcie-root-port">
+      <model name="pcie-root-port"/>
+      <target chassis="5" port="0x14"/>
+      <address type="pci" domain="0x0000" bus="0x00" slot="0x02" function="0x4"/>
+    </controller>
+    <controller type="pci" index="6" model="pcie-root-port">
+      <model name="pcie-root-port"/>
+      <target chassis="6" port="0x15"/>
+      <address type="pci" domain="0x0000" bus="0x00" slot="0x02" function="0x5"/>
+    </controller>
+    <controller type="pci" index="7" model="pcie-root-port">
+      <model name="pcie-root-port"/>
+      <target chassis="7" port="0x16"/>
+      <address type="pci" domain="0x0000" bus="0x00" slot="0x02" function="0x6"/>
+    </controller>
+    <controller type="pci" index="8" model="pcie-root-port">
+      <model name="pcie-root-port"/>
+      <target chassis="8" port="0x17"/>
+      <address type="pci" domain="0x0000" bus="0x00" slot="0x02" function="0x7"/>
+    </controller>
+    <controller type="virtio-serial" index="0">
+      <address type="pci" domain="0x0000" bus="0x04" slot="0x00" function="0x0"/>
+    </controller>
+{interfacecfg}
+    <serial type="pty">
+      <target type="isa-serial" port="0">
+        <model name="isa-serial"/>
+      </target>
+    </serial>
+    <console type="pty">
+      <target type="serial" port="0"/>
+    </console>
+    <channel type="unix">
+      <target type="virtio" name="org.qemu.guest_agent.0"/>
+      <address type="virtio-serial" controller="0" bus="0" port="1"/>
+    </channel>
+    <channel type="spicevmc">
+      <target type="virtio" name="com.redhat.spice.0"/>
+      <address type="virtio-serial" controller="0" bus="0" port="2"/>
+    </channel>
+    <input type="tablet" bus="usb">
+      <address type="usb" bus="0" port="1"/>
+    </input>
+    <input type="mouse" bus="ps2"/>
+    <input type="keyboard" bus="ps2"/>
+    <graphics type="spice" autoport="yes">
+      <listen type="address"/>
+    </graphics>
+    <audio id="1" type="spice"/>
+    <video>
+      <model type="qxl" ram="65536" vram="65536" vgamem="16384" heads="1" primary="yes"/>
+      <address type="pci" domain="0x0000" bus="0x00" slot="0x01" function="0x0"/>
+    </video>
+    <redirdev bus="usb" type="spicevmc">
+      <address type="usb" bus="0" port="2"/>
+    </redirdev>
+    <redirdev bus="usb" type="spicevmc">
+      <address type="usb" bus="0" port="3"/>
+    </redirdev>
+    <memballoon model="virtio">
+      <address type="pci" domain="0x0000" bus="0x06" slot="0x00" function="0x0"/>
+    </memballoon>
+    <rng model="virtio">
+      <backend model="random">/dev/urandom</backend>
+      <address type="pci" domain="0x0000" bus="0x07" slot="0x00" function="0x0"/>
+    </rng>
+  </devices>
+</domain>
+"""
+
+
+def run_iso(hostname:str, ipaddr:str):
+  isoout = "/var/lib/libvirt/images/cloudiso"
+  gateway = '192.168.' + ipaddr.split('.')[3] + '.1'  # Ezen Kristóf jót nevetett
+  
+  cloudinit_fhandle, cloudinit_fname = tempfile.mkstemp(suffix='.yaml')
+  with open(cloudinit_fhandle, "wt") as f:
+	  f.write(
+      cloudinit.format(hostname=hostname)
+    )
+
+  netplan_fhandle, netplan_fname = tempfile.mkstemp(suffix='.yaml')
+  with open(netplan_fhandle, "wt") as f:
+	  f.write(
+      netplan.format(
+        addr=ipaddr,
+        gateway=gateway,
+      )
+    )
+
+  
+  os.makedirs(isoout, exist_ok=True)
+  os.system(f'cloud-localds -v {isoout}/cloudinit-{hostname}.iso --network-config={netplan_fname} {cloudinit_fname}')
+  os.unlink(cloudinit_fname)
+  os.unlink(netplan_fname)
+
+
+def run_img(hostname:str, img_src:str):
+  lv_name = hostname.replace('-', '_')
+  hostdrive = f"/dev/vmdatastore/{lv_name}"
+  os.system(f'dd if={img_src} of={hostdrive} bs=4M')
+
+
+def run_xml(outdir:str, hostname:str, ram:int, net:str):
+  xmlout = os.path.join(outdir, 'xml')
+  isoout = "/var/lib/libvirt/images/cloudiso"
+  cloudinitiso = os.path.join(isoout, f"cloudinit-{hostname}.iso")
+  lv_name = hostname.replace('-', '_')
+  hostdrive = f"/dev/vmdatastore/{lv_name}"
+  os.makedirs(xmlout, exist_ok=True)
+
+  interfacecfg = ""
+
+  for n in net.split(','):
+    interfacecfg += f"""    <interface type="network">
+        <source network="{n}"/>
+        <model type="virtio"/>
+      </interface>"""
+
+
+  with open(os.path.join(xmlout, f"{hostname}.xml"), "wt") as of:
+    of.write(
+      libvirt.format(
+        hostname=hostname,
+        ram=ram,
+        interfacecfg=interfacecfg,
+        cloudinitiso=cloudinitiso,
+        hostdrive=hostdrive
+      )
+    )
+
+
+def main():
+
+  if len(sys.argv) < 3:
+    print("Usage: generate.py [stage] [hostsfile] [image source] [output]")
+    return
+
+  stage = sys.argv[1]
+  hostsfile = sys.argv[2]
+  img_src = sys.argv[3]
+  outdir = sys.argv[4]
+
+  if stage not in ['all', 'img', 'iso', 'xml']:
+    print("Stage should be: all, img, iso or xml")
+    return
+
+  with open(hostsfile, 'rt') as f:
+
+    for line in f:
+      line = line.replace('\n','').strip()
+      if not line or line.startswith('#'):
+        # skip empty and comment lines
+        continue
+
+      hostname, ram, net, ipaddr = line.split(' ')
+      ram=int(ram)
+      ipaddr = None if ipaddr == '-' else ipaddr
+
+      print(f"Working on {hostname}...")
+      if stage in ['iso', 'all']:
+        run_iso(hostname, ipaddr)
+
+      if stage in ['img', 'all']:
+        run_img(hostname, img_src)
+
+      if stage in ['xml', 'all']:
+        run_xml(outdir,hostname, ram, net)
+
+
+if __name__ == "__main__":
+  main()