initial digitalocean support

CHANGELOG.md

@@ -1,5 +1,12 @@
 # CHANGELOG
 
+## 2025-XX-XX - Tiny Cloud v3.2.0
+
+* Initial support for `digitalocean` cloud provider
+
+* Alpine autoinstall - allow override disk and reboot and set swap (@ncopa)
+
+
 ## 2024-12-03 - Tiny Cloud v3.1.0
 
 * Default to "/usr merge" friendly installation locations

README.md

@@ -10,6 +10,7 @@ https://gitlab.alpinelinux.org/alpine/cloud/tiny-ec2-bootstrap), Tiny Cloud
 works with multiple cloud providers.  Currently, the following are supported:
 * [AWS](https://aws.amazon.com) - Amazon Web Services
 * [Azure](https://azure.microsoft.com) - Microsoft Azure
+* [DigitalOcean](https://digitalocean.com) - DigitalOcean
 * [GCP](https://cloud.google.com) - Google Cloud Platform
 * [Hetzner](https://www.hetzner.com) - Hetzner Cloud
 * [Incus](https://linuxcontainers.org/incus) - Incus Containers and Virtual Machines
@@ -96,8 +97,8 @@ Tiny Cloud tries to autodetect (supported) clouds as of 3.1.0.  The default
 value for `CLOUD` is `auto`.
 
 However, if you want to explicitly set a cloud provider, you can do so in the
-conf file.  Current valid values are `aws`, `azure`, `gcp`, `hetzner`, `incus`,
+conf file.  Current valid values are `aws`, `azure`, `digitalocean`, `gcp`,
-`nocloud`, `oci`, and `scaleway`.
+`hetzner`, `incus`, `nocloud`, `oci`, and `scaleway`.
 
 Alternatively, you can add `tinycloud=cloud=<cloud>` (preferred) or `ds=<cloud>`
 (cloud-init compatible) to the kernel `/proc/cmdline` (preferred) or

TODO.md

@@ -13,7 +13,7 @@
 
 ## FUTURE
 
-* Support `vendor-data`?  In theory this is a baseline, and and `user-data`
+* Support `vendor-data`?  In theory this is a baseline, and `user-data`
   is layered on top of that.
 
 * Support additional features of `#cloud-config` as needed
@@ -21,7 +21,6 @@
 * Support LVM partitioning and non-`ext[234]` filesystems?
 
 * Support other cloud providers...
-  * Digital Ocean
   * IBM
   * Openstack
   * ???

lib/tiny-cloud/cloud/digitalocean/autodetect

@@ -0,0 +1,5 @@
+#!/bin/sh
+# vim:set filetype=sh:
+# shellcheck shell=sh
+
+grep -qi digitalocean "$ROOT"/sys/class/dmi/id/modalias 2>/dev/null && echo "10 digitalocean"

lib/tiny-cloud/cloud/digitalocean/imds

@@ -0,0 +1,23 @@
+# DigitalOcean Instance MetaData Service variables and functions
+# vim: set filetype=sh:
+# shellcheck shell=sh
+
+IMDS_URI="metadata/v1"
+IMDS_HOSTNAME="hostname"
+IMDS_LOCAL_HOSTNAME="$IMDS_HOSTNAME"
+IMDS_SSH_KEYS="public-keys"
+
+# TODO: flesh out networking
+unset \
+	IMDS_NICS \
+	IMDS_MAC \
+	IMDS_IPV4 \
+	IMDS_IPV6 \
+	IMDS_IPV4_NET \
+	IMDS_IPV6_NET \
+	IMDS_IPV4_PREFIX \
+	IMDS_IPV6_PREFIX
+
+_imds_header() { echo; }
+
+_imds_ssh_keys() { _imds "$IMDS_SSH_KEYS"; }

lib/tiny-cloud/cloud/hetzner/imds copy

@@ -1,18 +0,0 @@
-# AWS Instance MetaData Service variables and functions
-# vim:set filetype=sh:
-# shellcheck shell=sh
-
-IMDS_HEADER="X-aws-ec2-metadata-token"
-IMDS_TOKEN_TTL_HEADER="X-aws-ec2-metadata-token-ttl-seconds"
-: "${IMDS_TOKEN_TTL:=5}"
-IMDS_URI="latest"
-
-_imds_token() {
-	printf "PUT /latest/api/token HTTP/1.0\r\n%s: %s\r\n\r\n" \
-		"$IMDS_TOKEN_TTL_HEADER" "$IMDS_TOKEN_TTL" \
-		| nc -w 1 "$IMDS_ENDPOINT" 80 | tail -n 1
-}
-
-_imds_header() {
-	echo "$IMDS_HEADER: $(_imds_token)"
-}

lib/tiny-cloud/cloud/scaleway/imds copy

@@ -1,18 +0,0 @@
-# AWS Instance MetaData Service variables and functions
-# vim:set filetype=sh:
-# shellcheck shell=sh
-
-IMDS_HEADER="X-aws-ec2-metadata-token"
-IMDS_TOKEN_TTL_HEADER="X-aws-ec2-metadata-token-ttl-seconds"
-: "${IMDS_TOKEN_TTL:=5}"
-IMDS_URI="latest"
-
-_imds_token() {
-	printf "PUT /latest/api/token HTTP/1.0\r\n%s: %s\r\n\r\n" \
-		"$IMDS_TOKEN_TTL_HEADER" "$IMDS_TOKEN_TTL" \
-		| nc -w 1 "$IMDS_ENDPOINT" 80 | tail -n 1
-}
-
-_imds_header() {
-	echo "$IMDS_HEADER: $(_imds_token)"
-}

tests/imds.test

@@ -5,7 +5,7 @@
 . $(atf_get_srcdir)/test_env.sh
 
 export PREFIX="$srcdir"
-PROVIDERS="aws azure gcp hetzner incus oci nocloud scaleway"
+PROVIDERS="aws azure digitalocean gcp hetzner incus oci nocloud scaleway"
 
 init_tests \
 	imds_help \
@@ -13,6 +13,7 @@ init_tests \
 	\
 	imds_hostname_aws \
 	imds_hostname_azure \
+	imds_hostname_digitalocean \
 	imds_hostname_gcp \
 	imds_hostname_hetzner \
 	imds_hostname_incus \
@@ -22,6 +23,7 @@ init_tests \
 	\
 	imds_local_hostname_aws \
 	imds_local_hostname_azure \
+	imds_local_hostname_digitalocean \
 	imds_local_hostname_gcp \
 	imds_local_hostname_hetzner \
 	imds_local_hostname_incus \
@@ -31,6 +33,7 @@ init_tests \
 	\
 	imds_ssh_keys_aws \
 	imds_ssh_keys_azure \
+	imds_ssh_keys_digitalocean \
 	imds_ssh_keys_gcp \
 	imds_ssh_keys_hetzner \
 	imds_ssh_keys_incus \
@@ -58,7 +61,7 @@ imds_space_body() {
 
 check_hostname() {
 	fake_metadata "$1" <<-EOF
-		# nocloud, alpine, aws, hetzner
+		# aws, digitalocean, hetzner, nocloud
 		hostname: myhostname
 		# azure
 		compute:
@@ -71,6 +74,7 @@ check_hostname() {
 }
 imds_hostname_aws_body()	{ check_hostname aws; }
 imds_hostname_azure_body()	{ check_hostname azure; }
+imds_hostname_digitalocean_body()	{ check_hostname digitalocean; }
 imds_hostname_gcp_body()	{ check_hostname gcp; }
 imds_hostname_hetzner_body()	{ check_hostname hetzner; }
 imds_hostname_incus_body()	{
@@ -91,9 +95,9 @@ EOF
 
 check_local_hostname() {
 	fake_metadata "$1" <<-EOF
-		# nocloud, alpine, aws, incus
+		# nocloud, aws, incus
 		local-hostname: myhostname
-		# hetzner
+		# digitalocean, hetzner
 		hostname: myhostname
 		# azure
 		compute:
@@ -106,6 +110,7 @@ check_local_hostname() {
 }
 imds_local_hostname_aws_body()		{ check_local_hostname aws; }
 imds_local_hostname_azure_body()	{ check_local_hostname azure; }
+imds_local_hostname_digitalocean_body()	{ check_local_hostname digitalocean; }
 imds_local_hostname_gcp_body()		{ check_local_hostname gcp; }
 imds_local_hostname_hetzner_body()	{ check_local_hostname hetzner; }
 imds_local_hostname_incus_body()	{ check_local_hostname incus; }
@@ -144,6 +149,14 @@ check_ssh_keys() {
 }
 imds_ssh_keys_aws_body()	{ check_ssh_keys aws; }
 imds_ssh_keys_azure_body()	{ check_ssh_keys azure; }
+imds_ssh_keys_digitalocean_body() {
+	local key="ssh-ed25519 keydata"
+	fake_metadata "digitalocean" <<-EOF
+		# digitalocean
+		public-keys: $key
+	EOF
+	CLOUD="digitalocean" atf_check -o match:"$key" imds @ssh-keys
+}
 imds_ssh_keys_gcp_body()	{ check_ssh_keys gcp; }
 imds_ssh_keys_hetzner_body()	{
 	local key="ssh-ed25519 keydata"

tests/init.test

@@ -27,6 +27,7 @@ init_tests \
 	autodetect_aws_nitro \
 	autodetect_aws_xen \
 	autodetect_azure \
+	autodetect_digitalocean \
 	autodetect_gcp \
 	autodetect_hetzner \
 	autodetect_incus \
@@ -37,7 +38,7 @@ init_tests \
 	autodetect_scaleway \
 	autodetect_unknown
 
-PROVIDERS="aws azure gcp nocloud oci scaleway hetzner"
+PROVIDERS="aws azure digitalocean gcp hetzner nocloud oci scaleway"
 
 expand_root_body() {
 	mkdir proc
@@ -276,6 +277,16 @@ autodetect_azure_body() {
 		sh -c ". \"$lib\"; echo \$CLOUD"
 }
 
+autodetect_digitalocean_body() {
+	mkdir -p sys/class/dmi/id
+	cat > sys/class/dmi/id/modalias <<-EOT
+	dmi:bvnDigitalOcean:bvrReleasev4.1:bd03/08/2024:br4.1:svn:pnVirtualMachine:pvrReleasev4.1:rvn:rnVirtualMachine:rvrReleasev4.1:cvn:ct3:cvrReleasev4.1:skuNone:
+	EOT
+	atf_check \
+		-o match:"digitalocean" \
+		sh -c ". \"$lib\"; echo \$CLOUD"
+}
+
 autodetect_gcp_body() {
 	mkdir -p sys/class/dmi/id
 	cat > sys/class/dmi/id/modalias <<-EOT

tests/test_env.sh

@@ -74,6 +74,11 @@ fake_metadata_azure() {
 	export WGET_STRIP_PREFIX="/metadata/instance"
 }
 
+fake_metadata_digitalocean() {
+	cat > "169.254.169.254.yaml"
+	export WGET_STRIP_PREFIX="/metadata/v1"
+}
+
 fake_metadata_gcp() {
 	cat > "169.254.169.254.yaml"
 	export WGET_STRIP_PREFIX="/computeMetadata/v1"
@@ -111,6 +116,7 @@ fake_metadata() {
 		alpine|nocloud) fake_metadata_nocloud;;
 		aws) fake_metadata_aws;;
 		azure) fake_metadata_azure;;
+		digitalocean) fake_metadata_digitalocean;;
 		gcp) fake_metadata_gcp;;
 		hetzner) fake_metadata_hetzner;;
 		incus) fake_metadata_incus;;

tests/tiny-cloud.test

@@ -6,7 +6,7 @@
 
 export PREFIX="$srcdir"
 export MOCK=echo
-PROVIDERS="alpine aws azure gcp incus hetzner nocloud oci scaleway"
+PROVIDERS="alpine aws azure digitalocean gcp incus hetzner nocloud oci scaleway"
 
 init_tests \
 	tiny_cloud_help \