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240 lines
6.9 KiB
Bash
240 lines
6.9 KiB
Bash
#!/usr/bin/env bash
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# shellcheck disable=SC2016,SC2119,SC2120,SC2230,SC2034
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shellcheck "$0"
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set -euo pipefail
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declare -A D # contains VM configuartion data
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# ---------------------- executable dependencies ---------------------
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# NOTE: following must be found in path
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declare vdiskmanager=vmware-vdiskmanager
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declare vmrun=vmrun
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# adapt for WSL2 (Windows) variation
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if [[ $(uname -r) =~ [Mm]icrosoft ]]; then
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vdiskmanager=vmware-vdiskmanager.exe
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vmrun=vmrun.exe
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fi
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which "$vmrun" &>/dev/null || (echo "vmrun not found" && exit 1)
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which "$vdiskmanager" &>/dev/null || (echo "vmrun not found" && exit 1)
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which "curl" &>/dev/null || (echo "curl not found" && exit 1)
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which "qemu-img" &>/dev/null || (echo "qemu-img not found" && exit 1)
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which "mkisofs" &>/dev/null || (echo "mkisofs not found" && exit 1)
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# --------------------------- vmx template ---------------------------
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# This is a copy from a .vmx file originally created from the VMware GUI
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# but with much of the post start extra stuff removed. This includes the
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# expectation of a storage.vmdk extra drive.
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declare VMX_TEMPLATE='
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.encoding = "UTF-8"
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config.version = "8"
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virtualHW.version = "18"
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mks.enable3d = "TRUE"
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pciBridge0.present = "TRUE"
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pciBridge4.present = "TRUE"
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pciBridge4.virtualDev = "pcieRootPort"
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pciBridge4.functions = "8"
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pciBridge5.present = "TRUE"
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pciBridge5.virtualDev = "pcieRootPort"
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pciBridge5.functions = "8"
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pciBridge6.present = "TRUE"
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pciBridge6.virtualDev = "pcieRootPort"
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pciBridge6.functions = "8"
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pciBridge7.present = "TRUE"
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pciBridge7.virtualDev = "pcieRootPort"
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pciBridge7.functions = "8"
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vmci0.present = "TRUE"
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hpet0.present = "TRUE"
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nvram = "{{name}}.nvram"
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virtualHW.productCompatibility = "hosted"
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powerType.powerOff = "soft"
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powerType.powerOn = "soft"
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powerType.suspend = "soft"
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powerType.reset = "soft"
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displayName = "{{name}}"
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usb.vbluetooth.startConnected = "TRUE"
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guestOS = "{{guest_os}}"
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tools.syncTime = "TRUE"
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tools.upgrade.policy = "upgradeAtPowerCycle"
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sound.autoDetect = "TRUE"
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sound.fileName = "-1"
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numvcpus = "{{cores}}"
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vcpu.hotadd = "TRUE"
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memsize = "{{memory}}"
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mem.hotadd = "TRUE"
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sata0.present = "TRUE"
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nvme0.present = "TRUE"
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nvme0:0.fileName = "{{vmdk}}"
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nvme0:0.present = "TRUE"
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sata0:1.autodetect = "TRUE"
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sata0:1.deviceType = "cdrom-image"
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sata0:1.fileName = "cloudinit.iso"
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sata0:1.startConnected = "TRUE"
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sata0:1.present = "TRUE"
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svga.graphicsMemoryKB = "8388608"
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ethernet0.connectionType = "nat"
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ethernet0.addressType = "generated"
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ethernet0.virtualDev = "vmxnet3"
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ethernet0.linkStatePropagation.enable = "TRUE"
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serial0.fileType = "thinprint"
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serial0.fileName = "thinprint"
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ethernet0.present = "TRUE"
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extendedConfigFile = "{{name}}.vmxf"
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floppy0.present = "FALSE"
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ehci:0.parent = "-1"
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ehci:0.port = "0"
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ehci:0.deviceType = "video"
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ehci:0.present = "TRUE"
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nvme0:1.fileName="storage.vmdk"
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nvme0:1.present="TRUE"
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'
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# ------------------------ user-data template ------------------------
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declare USER_DATA_TEMPLATE='
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#cloud-config
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users:
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- name: {{user}}
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ssh_authorized_keys:
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- {{sshkey}}
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sudo:
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- ALL=(ALL) NOPASSWD:ALL
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shell: /bin/bash
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lock_passwd: false
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passwd: "{{passwd}}"
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fqdn: {{name}}.{{domain}}
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hostname: {{name}}
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manage_etc_hosts: true
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runcmd:
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- mkfs.xfs /dev/nvme0n2
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- mkdir /s
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- echo "/dev/nvme0n2 /s xfs defaults 0 0" >>/etc/fstab
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- mount -a
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'
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# ---------------------- network-config template ---------------------
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declare NETWORK_CONFIG_TEMPLATE='
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version: 1
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config:
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- type: physical
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name: {{interface}}
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subnets:
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- type: static
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address: {{ip}}
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netmask: 255.255.255.0
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gateway: {{gateway}}
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dns_nameservers:
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- 1.1.1.1
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- 8.8.8.8
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dns_search:
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- {{domain}}
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'
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# ------------------------------- fill -------------------------------
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# Fills any template using {{foo}} notation with values from passed
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# associative array. Requires that the D associate array be declared and
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# assigned before being called (within local function scope or
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# globally).
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function fill {
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local buf="$1" val
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for i in "${!D[@]}"; do # D from caller scope
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val=${D[$i]}
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buf=${buf//\{\{$i\}\}/$val}
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done
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echo "$buf"
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}
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# ------------------------------- fetch ------------------------------
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function fetch {
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local url="$1" out="$2"
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[[ -e "$out" ]] && return 0
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curl -L "$url" -o "$out"
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}
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# ------------------------ create vm functions -----------------------
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# name # name of the VM to create, also hostname
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# url # url to the qcow2 image to download
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# qcow2 # name of QEMU image to save to disk
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# vmdk # name of the vmdk image to create from the qcow2
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# vmdir # full path to the directory of VMs
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# imgdir # full path to directory to cache image downloads
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# user # username for VM
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# passwd # mkpassd -s --method=SHA-512 encrypted password
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# sshkey # ssh pub key for authorized_keys file
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# domain # usually just localdomain
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# interface # usually eth0
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# ip # check vmnetcfg.exe or vmnet-cfgcli for network
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# gateway # probably best to end in .2
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# cores # CPU cores
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# memory # in megabytes
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# guest_os # the VMware thing for optimizations
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# ------------------------------ create ------------------------------
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# Expects that a global D associative array has been set to pass the
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# variables.
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function create {
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# create the vmware virtual machine (skip if already exists)
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local dir="${D[vmdir]}/${D[name]}.vmwarevm"
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[[ -e "$dir" ]] && echo "Already exists: \"$dir\"" && return 0
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mkdir -p "$dir"
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cd "$dir"
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"$vdiskmanager" -c -s 100MB -a lsilogic -t 0 "storage.vmdk"
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fill "$VMX_TEMPLATE" > "${D[name]}.vmx"
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# fetch the cloud-init enabled disk image and convert to vmware
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if [[ ! -d "${D[imgdir]}/${D[qcow2]}" ]]; then
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fetch "${D[url]}" "${D[imgdir]}/${D[qcow2]}"
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qemu-img convert -O vmdk \
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"${D[imgdir]}/${D[qcow2]}" "${D[imgdir]}/${D[vmdk]}"
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cp "${D[imgdir]}/${D[vmdk]}" "$dir"
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fi
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# create the cloud-init configuration files
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touch "meta-data"
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fill "$USER_DATA_TEMPLATE" > "user-data"
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fill "$NETWORK_CONFIG_TEMPLATE" > "network-config"
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mkisofs -output "cloudinit.iso" -volid cidata -joliet \
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-rock {meta-data,user-data,network-config}
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cd -
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}
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# --------------- configure and create virtual machines --------------
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D[name]=control
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D[qcow2]="AlmaLinux-8-GenericCloud-8.5-20211119.x86_64.qcow2"
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D[vmdk]="${D[qcow2]//qcow2/vmdk}"
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D[url]="https://repo.almalinux.org/almalinux/8/cloud/x86_64/images/${D[qcow2]}"
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D[vmdir]="/mnt/c/Users/rob/Documents/Virtual Machines"
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D[imgdir]="/mnt/c/Users/rob/Documents/DiskImages"
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D[user]=rwxrob
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D[passwd]='$6$rEibXMefJRd9q5L$F2y84STmrOJ30cTcjEEhQZGZ.bQV7VHJQ2Ek5com25Ywl7rgdLoRvT/Uw1z0r8ycYrZ3QoC2qcLQvsJ94ikEP0'
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D[sshkey]='ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIIXETTuUIx75wsuPWvMH+mcdPQCXmixYzz6dNxzildM/ rwxrob@tv'
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D[domain]="localdomain"
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D[interface]="eth0"
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D[ip]="192.168.136.10"
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D[gateway]="192.168.136.2"
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D[cores]="2"
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D[memory]="2048"
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D[guest_os]="rhel8-64"
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create
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D[cores]="1"
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D[memory]="2048"
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for i in {1..6}; do
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D[name]=node$i
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D[ip]="192.168.136.1$i"
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create
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done
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