next attempt

lib/tiny-cloud/cloud/gcp/init

@@ -5,47 +5,48 @@
 # NOTE: overrides lib/tiny-cloud function
 # 	GCP ssh keys have a leading "<login>:" we should check/honor
 init__set_ssh_keys() {
-	local sshkeys="$(imds @ssh-keys)"
-	if [ -z "$sshkeys" ]; then
-		log -i -t "$phase" warning "$ACTION: no ssh key found"
-		return
-	fi
-	local userkey
-	local got_default
-	local tmp_dir=$(mktmp -d "$ROOT/run/tiny-cloud/ssh-XXXXXX")
+	local tmp_dir=$(mktemp -d "$ROOT/run/tiny-cloud/sshkeys-XXXXXX")
 	mkdir -p "$tmp_dir"
 	chmod 700 "$tmp_dir"
-	for userkey in $sshkeys; do
-		local user=$(echo "$userkey" | cut -d: -f1)
-		local key=$(echo "$userkey" | cut -d: -f2)
-		local pwent="$(getent passwd "$user")"
-		if [ -z "$pwent" ]; then
-			log -i -t "$phase" warning "$ACTION: failed to find login $user"
+	local userkey
+	local user
+	local key
+	local pwent
+	local group
+	local tmp_file
+	imds @ssh-keys | while IFS= read -r userkey; do
+		user=$(echo "$userkey" | cut -d: -f1)
+		key=$(echo "$userkey" | cut -d: -f2-)
+		if ! pwent="$(getent passwd "$user")"; then
+			log -i -t "$phase" warning "$ACTION: skipping SSH key for $user"
 			continue
-		elif [ "$user" = "$CLOUD_USER" ]; then
-			got_default=1
 		fi
-		local group=$(echo "$pwent" | cut -d: -f4)
-		local tmp_file="$tmp_dir/$user"
+		group=$(echo "$pwent" | cut -d: -f4)
+		tmp_file="$tmp_dir/$user"
 		touch "$tmp_file"
 		chmod 600 "$tmp_file"
 		$MOCK chown -R "$user/$group" "$tmp_file"
 		echo "$key" >> "$tmp_file"
 	done
-	for user in "$tmp_dir"/*; do
-		local tmp_file="$tmp_dir/$user"
-		local pwent="$(getent passwd "$user")"
-		local ssh_dir="${ROOT}$(echo "$pwent" | cut -d: -f6)/.ssh"
+	local ssh_dir
+	for tmp_file in "$tmp_dir"/*; do
+		user=$(basename "$tmp_file")
+		pwent="$(getent passwd "$user")"
+		group=$(echo "$pwent" | cut -d: -f4)
+		ssh_dir="$ROOT$(echo "$pwent" | cut -d: -f6)/.ssh"
 		if [ ! -d "$ssh_dir" ]; then
 			mkdir -p "$ssh_dir"
+			$MOCK chown -R "$user/$group" "$ssh_dir"
 			chmod 700 "$ssh_dir"
 		fi
-		local keys_file="$ssh_dir/authorized_keys"
-		cp -a "$tmp_file" "$keys_file"
+		cp -a "$tmp_file" "$ssh_dir/authorized_keys"
 		log -i -t "$phase" info "$ACTION: installed ssh keys for $user"
+		[ "$user" = "$CLOUD_USER" ] && found=2 || found=1
 	done
 	rm -rf "$tmp_dir"
-	if [ -z "$got_default" ]; then
+	if [ -z "$found" ]; then
+		log -i -t "$phase" warning "$ACTION: no SSH keys installed"
+	elif [ "$found" != 2]; then
 		log -i -t "$phase" warning "$ACTION: no SSH keys found for $CLOUD_USER"
 	fi
 }

tests/init.test

@@ -199,14 +199,15 @@ set_ssh_keys_gcp_body() {
 	fake_metadata_gcp <<-EOF
 		project:
 		  attributes:
-		    ssh-keys:
-		     - alpine:ssh-ed25519 keydata1
-		     - bar:ssh-rsa barfoo
+		    ssh-keys: |-
+		      alpine:ssh-ed25519 foobar1 alpine
+		      foo:ssh-rsa foobar2 jake
 		instance:
 		  attributes:
-		    ssh-keys:
-		      - alpine:ssh-ed25519 keydata2
-		      - foo:ssh-rsa foobar
+		    ssh-keys: |-
+		      bar:ecdsa-sha2-nistp521 foobar3 bar@omfg.local
+		      :ssh-rsa foobar4
+		      alpine:ssh-rsa foobar5 google-ssh {"userName":"alpine","expireOn":"2061-12-04T20:12:00+0000"}
 	EOF
 	# TODO: need to figure out what to check
 	CLOUD="gcp" atf_check \