Add scaleway support

lib/tiny-cloud/cloud/scaleway/imds

@@ -0,0 +1,40 @@
+# Scaleway Instance MetaData Service variables and functions
+# vim:set filetype=sh:
+# shellcheck shell=sh
+
+IMDS_ENDPOINT="169.254.42.42"
+IMDS_URI="conf"
+
+IMDS_HOSTNAME="HOSTNAME"
+IMDS_LOCAL_HOSTNAME="$IMDS_HOSTNAME"
+IMDS_SSH_KEYS="SSH_PUBLIC_KEYS_[0-9]+_KEY"
+
+_imds() {
+	wget --quiet --timeout 1 --output-document - "http://$IMDS_ENDPOINT/$IMDS_URI$IMDS_QUERY" | egrep "^${1}=" | cut -d'=' -f2
+}
+
+_imds_ssh_keys() {
+	imds "$IMDS_SSH_KEYS" | tr -d "'" | sort -u
+}
+
+_imds_userdata() {
+	mkdir -p "$ROOT/run/tiny-cloud"
+	TMPFILE=$(mktemp "$ROOT/run/tiny-cloud/userdata.XXXXXX")
+
+	trap cleanup EXIT
+
+	cleanup() {
+		rm $TMPFILE
+	}
+
+	# Scaleway requires IMDS to use low-numbered ports to fetch
+	# userdata, which wget can't do
+	printf "GET /user_data/cloud-init HTTP/1.0\r\n\r\n" \
+		| nc -w 1 -p 1000 "$IMDS_ENDPOINT" 80 > $TMPFILE
+
+	STATUS=$(head -n 1 $TMPFILE | cut -d ' ' -f 2)
+
+	if [ $STATUS -eq 200 ]; then
+		awk 'NR==1,/^\r$/ {next} {printf "%s%s",$0,RT}' $TMPFILE
+	fi
+}

tests/bin/nc

@@ -1,6 +1,27 @@
 #!/bin/sh
 input="$(cat)"
+host=""
+port=""
+local_port=1024
 case "$input" in
 	-*) echo "nc: bad input: \$input" >&2; exit 1;;
 esac
+while [ ! -z $1 ]; do
+	case $1 in
+		-w) shift 2;;
+		-p) local_port=$2; shift 2;;
+		*) if [ -z $host ]; then host=$1; elif [ -z $port ]; then port=$1; fi; shift 1;;
+	esac
+done
+
+# Scaleway
+if [ "$CLOUD" = "scaleway" ]; then
+	if [ $local_port -gt 1023 ]; then
+		NC_CONTENT="invalid local port"
+	else
+		NC_CONTENT="$(cat ${NC_FILE:-$host.txt})"
+	fi
+	printf "HTTP/1.1 200 OK\r\n\r\n%s" "$NC_CONTENT"
+else
 	echo "token-foo"
+fi

tests/bin/wget

@@ -84,13 +84,19 @@ path="${url#http*://$host}"
 path="${path#${WGET_STRIP_PREFIX:-/}}"
 path="${path%\?*}"
 
+
 if [ -z "$WGETCONTENT" ]; then
+	# Scaleway has all the data on a single TXT endpoint
+	if [ "$CLOUD" = "scaleway" ]; then
+		cat "${WGET_YAML:-$host.txt}"
+	else
 		(
 		IFS=/
 		set -- ${path#/}
 		yx -f "${WGET_YAML:-$host.yaml}" "$@" 2>/dev/null
 		)
 	fi
+fi
 
 : "${outfile:=index.html}"
 case "$outfile" in

tests/imds.test

@@ -5,7 +5,7 @@
 . $(atf_get_srcdir)/test_env.sh
 
 export PREFIX="$srcdir"
-PROVIDERS="alpine aws azure gcp nocloud"
+PROVIDERS="alpine aws azure gcp nocloud scaleway"
 
 init_tests \
 	imds_help \
@@ -17,6 +17,7 @@ init_tests \
 	imds_hostname_gcp \
 	imds_hostname_nocloud \
 	imds_hostname_oci \
+	imds_hostname_scaleway \
 	\
 	imds_local_hostname_alpine \
 	imds_local_hostname_aws \
@@ -24,6 +25,7 @@ init_tests \
 	imds_local_hostname_gcp \
 	imds_local_hostname_nocloud \
 	imds_local_hostname_oci \
+	imds_local_hostname_scaleway \
 	\
 	imds_ssh_keys_alpine \
 	imds_ssh_keys_aws \
@@ -31,9 +33,12 @@ init_tests \
 	imds_ssh_keys_gcp \
 	imds_ssh_keys_nocloud \
 	imds_ssh_keys_oci \
+	imds_ssh_keys_scaleway \
 	\
 	imds_nocloud_cmdline_local_hostname \
-	imds_nocloud_smbios_local_hostname
+	imds_nocloud_smbios_local_hostname \
+	\
+	imds_userdata_scaleway
 
 imds_help_body() {
 	atf_check -o match:"Usage: imds" imds -h
@@ -66,6 +71,12 @@ imds_hostname_azure_body()	{ check_hostname azure; }
 imds_hostname_gcp_body()	{ check_hostname gcp; }
 imds_hostname_nocloud_body()	{ check_hostname nocloud; }
 imds_hostname_oci_body()	{ check_hostname oci; }
+imds_hostname_scaleway_body()	{
+	fake_metadata scaleway <<-EOF
+HOSTNAME=myhostname
+EOF
+	CLOUD="scaleway" atf_check -o match:"myhostname" imds @hostname
+}
 
 check_local_hostname() {
 	fake_metadata "$1" <<-EOF
@@ -86,6 +97,12 @@ imds_local_hostname_azure_body()	{ check_local_hostname azure; }
 imds_local_hostname_gcp_body()		{ check_local_hostname gcp; }
 imds_local_hostname_nocloud_body()	{ check_local_hostname nocloud; }
 imds_local_hostname_oci_body()	{ check_local_hostname oci; }
+imds_local_hostname_scaleway_body()	{
+	fake_metadata scaleway <<-EOF
+HOSTNAME=myhostname
+EOF
+	CLOUD="scaleway" atf_check -o match:"myhostname" imds @local-hostname
+}
 
 check_ssh_keys() {
 	local key="ssh-ed25519 keydata"
@@ -106,6 +123,7 @@ check_ssh_keys() {
 		  # oci
 		  metadata:
 		    ssh_authorized_keys: $key
+
 	EOF
 	CLOUD="$1" atf_check -o match:"$key" imds @ssh-keys
 }
@@ -115,6 +133,21 @@ imds_ssh_keys_azure_body()	{ check_ssh_keys azure; }
 imds_ssh_keys_gcp_body()	{ check_ssh_keys gcp; }
 imds_ssh_keys_nocloud_body()	{ check_ssh_keys nocloud; }
 imds_ssh_keys_oci_body()	{ check_ssh_keys oci; }
+imds_ssh_keys_scaleway_body()	{
+	local key="ssh-ed25519 keydata"
+	fake_metadata scaleway <<-EOF
+SSH_PUBLIC_KEYS=1
+SSH_PUBLIC_KEYS_0='ID KEY FINGERPRINT CREATION_DATE MODIFICATION_DATE DESCRIPTION IP'
+SSH_PUBLIC_KEYS_0_ID=00000000-0000-0000-0000-000000000000
+SSH_PUBLIC_KEYS_0_KEY='$key'
+SSH_PUBLIC_KEYS_0_FINGERPRINT='256 MD5:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00 ssh_test_key (ssh-ed25519)'
+SSH_PUBLIC_KEYS_0_CREATION_DATE=2024-01-25T19:51:28.263483+00:00
+SSH_PUBLIC_KEYS_0_MODIFICATION_DATE=2024-01-25T19:51:28.263483+00:00
+SSH_PUBLIC_KEYS_0_DESCRIPTION=ssh_test_key
+SSH_PUBLIC_KEYS_0_IP=
+EOF
+	CLOUD="scaleway" atf_check -o match:"$key" imds @ssh-keys
+}
 
 imds_nocloud_cmdline_local_hostname_body() {
 	atf_require_prog yx
@@ -137,3 +170,11 @@ imds_nocloud_smbios_local_hostname_body() {
 			imds @local-hostname
 	done
 }
+
+imds_userdata_scaleway_body() {
+	local cmd="sh ./cmd"
+	fake_userdata_scaleway <<-EOF
+$cmd
+EOF
+	CLOUD="scaleway" atf_check -o match:"$cmd" imds @userdata
+}

tests/init.test

@@ -25,7 +25,7 @@ init_tests \
 	userdata_type \
 	run_userdata
 
-PROVIDERS="alpine aws azure gcp nocloud oci"
+PROVIDERS="alpine aws azure gcp nocloud oci scaleway"
 
 expand_root_body() {
 	mkdir proc

tests/test_env.sh

@@ -7,6 +7,7 @@ PATH="$atf_srcdir/bin:$srcdir/bin:$srcdir/sbin:$PATH"
 export TINY_CLOUD_BASEDIR="$srcdir"
 export ROOT="$PWD"
 
+
 init_tests() {
 	TESTS=
 	for t; do
@@ -83,6 +84,15 @@ fake_metadata_oci() {
 	export WGET_STRIP_PREFIX="/opc/v2"
 }
 
+fake_metadata_scaleway() {
+	cat > "169.254.42.42.txt"
+	export WGET_STRIP_PREFIX="/conf"
+}
+
+fake_userdata_scaleway() {
+	cat > "169.254.42.42.txt"
+}
+
 fake_metadata() {
 	case "${1:-$CLOUD}" in
 		alpine|nocloud) fake_metadata_nocloud;;
@@ -90,6 +100,7 @@ fake_metadata() {
 		azure) fake_metadata_azure;;
 		gcp) fake_metadata_gcp;;
 		oci) fake_metadata_oci;;
+		scaleway) fake_metadata_scaleway;;
 		*) echo "TODO: fake_metadata_$CLOUD" >&2;;
 	esac
 }

tests/tiny-cloud.test

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