210 lines
6.8 KiB
Bash
Executable File
210 lines
6.8 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Copyright (C) 2023 Umorpha Systems
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# SPDX-License-Identifier: AGPL-3.0-or-later
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set -euE -o pipefail
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usage() {
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cat <<EOF
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Usage: ${0##*/} --name=HOSTNAME --plan=PLAN_ID --region=REGION_ID
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or: ${0##*/} --help
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Create/wipe a Vultr instance and install an image onto it.
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For selecting the appropriate plan ID, determine which type you want
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from the following table, then list the plans of that type with
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\`vultr-cli plans list --type=TYPE\`
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| type | WebUI label | ID format |
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|-------+---------------------------------------------+---------------------------------------------|
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| vc2 | Cloud Compute : Regular Performance | vc2-${nproc}c-${ram}gb[-sc1] |
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| vhf | Cloud Compute : High Frequency | vhf-${nproc}c-${ram}gb[-sc1] |
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| vhp | Cloud Compute : High Performance | vhp-${nproc}c-${ram}gb-{amd,intel}[-sc1] |
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| voc-g | Optimized Cloud Compute : General Purpose | voc-g-${nproc}c-${ram}gb-${disk}s-amd[-sc1] |
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| voc-c | Optimized Cloud Compute : CPU Optimized | voc-c-${nproc}c-${ram}gb-${disk}s-amd[-sc1] |
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| voc-m | Optimized Cloud Compute : Memory Optimized | voc-m-${nproc}c-${ram}gb-${disk}s-amd[-sc1] |
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| voc-s | Optimized Cloud Compute : Storage Optimized | voc-s-${nproc}c-${ram}gb-${disk}s-amd[-sc1] |
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| vcg | Cloud GPU | vcg-${gpu}-{nproc}c-${ram}g-${vram}vram |
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(The "-sc1" prefix for the "sao" region (São Paulo, Brazil), which have
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separate plan types because it's more expensive there.)
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For selecting the appropriate region ID, here lis a list of the
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regions in the US:
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| ID | Location | HDD | NVMe |
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|-----+----------------+-----+------|
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| atl | Atlanta | yes | |
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| dfw | Dallas | yes | |
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| ewr | New Jersey | yes | yes |
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| hnl | Honolulu | yes | |
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| lax | Los Angeles | yes | yes |
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| mia | Miami | yes | |
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| ord | Chicago | yes | |
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| sea | Seattle | yes | |
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| sjc | Silicon Valley | yes | |
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EOF
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}
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readonly os_iso=159 # From `vultr-cli os list`
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run() {
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local arg_name arg_plan arg_region
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arg_name=$1
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arg_plan=$2
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arg_region=$3
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export VULTR_API_KEY=$(cat secrets/vultr-api-key.txt)
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# Upload rootfs
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printf >&2 ':: Uploading rootfs...\n'
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local rootfs_url
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rootfs_url=$(bin/vultr-upload "images/${arg_name%%.*}.rootfs.img" "s3://umorpha-images/${arg_name%%.*}.rootfs.img")
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# Upload ISO
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printf >&2 ':: Uploading bootstrap ISO...\n'
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local iso_id
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iso_id=$(bin/vultr-iso-id https://mirror.dal10.us.leaseweb.net/archlinux/iso/2023.11.01/archlinux-2023.11.01-x86_64.iso)
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# Set up instance
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local instance_id
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instance_id=$(bin/vultr-api "instances?label=${arg_name}" | jq -r '.instances[]|.id')
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local user_data
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user_data="#!/bin/sh
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set -euE -o pipefail
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cd /tmp
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while [[ \$(systemctl is-active pacman-init.service) != active ]]; do
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echo 'Waiting for pacman to initialize...'
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sleep 1
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done
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set -x
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pacman -Sy --needed --noconfirm jq
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echo '$(base64 bin/umorpha-install)' | base64 -d > umorpha-install
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echo '$(base64 bin/vultr-api)' | base64 -d > vultr-api
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chmod 755 umorpha-install vultr-api
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# Grow /tmp.
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# By default it's half the RAM (2G rn), but we need ~1.2G.
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# Give it 1.5GiB.
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mount -o remount,size=1572864k /tmp
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curl ${rootfs_url} >./${arg_name%%.*}.rootfs.img
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./umorpha-install /dev/vda ./${arg_name%%.*}.rootfs.img
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export VULTR_API_KEY=${VULTR_API_KEY}
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instance_id=\$(curl --fail-with-body --no-progress-meter http://169.254.169.254/v1/instance-v2-id)
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./vultr-api instances/\${instance_id} -XPATCH --data '{\"user_data\":\"\"}'
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./vultr-api instances/\${instance_id}/iso/detach -XPOST
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reboot
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"
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if [[ -z "$instance_id" ]]; then
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printf >&2 ':: Creating instance...\n'
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vultr-cli instance create \
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--host="$arg_name" \
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--label="$arg_name" \
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\
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--plan="$arg_plan" \
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--region="$arg_region" \
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--ipv6=true \
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--auto-backup=true \
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\
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--os="$os_iso" \
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--iso="$iso_id" \
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\
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--userdata="$user_data"
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else
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printf >&2 ':: Updating instance %s...\n' "$instance_id"
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# Determine what we need to patch.
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instance_data="$(bin/vultr-api instances/$instance_id)"
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declare -A patch
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patch[user_data]="$(base64 --wrap=0 <<<"$user_data")"
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if [[ "$(jq -r .instance.region <<<"$instance_data")" != "$arg_region" ]]; then
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patch[region]="$arg_region"
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fi
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if [[ "$(jq -r .instance.plan <<<"$instance_data")" != "$arg_plan" ]]; then
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patch[plan]="$arg_plan"
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fi
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# Format that patch as JSON.
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data='{'
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for k in "${!patch[@]}"; do
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data+="\"$k\":\"${patch[$k]}\","
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done
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data="${data%,}}"
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# Apply.
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printf >&2 ' -> Halting instance...\n'
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bin/vultr-api instances/$instance_id/halt -XPOST
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printf >&2 ' -> Updating instance...\n'
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bin/vultr-api instances/$instance_id -XPATCH --data "$data" | jq
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printf >&2 ' -> Attaching ISO...\n'
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resp=$(bin/vultr-api instances/$instance_id/iso/attach -XPOST --data "{\"iso_id\":\"${iso_id}\"}")
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resp_state=$(jq -r .iso_status.state <<<"$resp")
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resp_id=$(jq -r .iso_status.iso_id <<<"$resp")
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while ! [[ "$resp_state" == isomounted && "$resp_id" == "$iso_id" ]]; do
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printf >&2 ' instance iso: state=%q id=%q\n' "$resp_state" "$resp_id"
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sleep 1
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resp=$(bin/vultr-api instances/$instance_id/iso)
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resp_state=$(jq -r .iso_status.state <<<"$resp")
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resp_id=$(jq -r .iso_status.iso_id <<<"$resp")
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done
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printf >&2 ' instance iso: state=%q id=%q\n' "$resp_state" "$resp_id"
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printf >&2 ' -> Starting instance...\n'
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bin/vultr-api instances/$instance_id/start -XPOST
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fi
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}
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main() {
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local arg_name=
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local arg_plan=
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local arg_region=
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local arg_mode=run
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local args
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if ! args="$(getopt -n "${0##*/}" -o '' -l 'help,name:,plan:,region:' -- "$@")"; then
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arg_mode=error
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else
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eval "set -- $args"
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while true; do
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case "$1" in
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--help) shift; arg_mode=help;;
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--name) shift; arg_name=$1; shift;;
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--plan) shift; arg_plan=$1; shift;;
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--region) shift; arg_region=$1; shift;;
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--) shift; break;;
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esac
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done
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if [[ $@ -gt 0 ]]; then
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printf >&2 '%s: error: unexpected positional arguments: %s' "${*@Q}"
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arg_mode=error
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fi
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if [[ -z "$arg_name" ]]; then
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printf >&2 '%s: error: --name=HOSTNAME is required\n' "${0##*/}"
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arg_mode=error
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fi
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if [[ -z "$arg_plan" ]]; then
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printf >&2 '%s: error: --plan=PLAN_ID is required\n' "${0##*/}"
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arg_mode=error
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fi
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if [[ -z "$arg_region" ]]; then
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printf >&2 '%s: error: --region=REGION_ID is required\n' "${0##*/}"
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arg_mode=error
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fi
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case "$arg_mode" in
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error) printf >&2 "Try '%q --help' for more information\n" "${0##*/}"; exit 2;;
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help) show_help;;
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run) run "$arg_name" "$arg_plan" "$arg_region";;
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esac
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fi
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}
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main "$@"
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