Add ssh-keys core plugin

tests/unit/30_ssh_keys.bats

@@ -0,0 +1,38 @@
+#!/usr/bin/env bats
+
+load test_helper
+
+setup() {
+  create_key
+}
+
+teardown() {
+  destroy_key
+}
+
+@test "(ssh-keys) ssh-keys:add, ssh-keys:list, ssh-keys:remove" {
+  run /bin/bash -c "dokku ssh-keys:add name1 /tmp/testkey.pub"
+  echo "output: "$output
+  echo "status: "$status
+  assert_success
+  run /bin/bash -c "cat /tmp/testkey.pub | dokku ssh-keys:add name2"
+  echo "output: "$output
+  echo "status: "$status
+  assert_success
+  run /bin/bash -c "dokku ssh-keys:list | grep name1 && dokku ssh-keys:list | grep name2"
+  echo "output: "$output
+  echo "status: "$status
+  assert_success
+  run /bin/bash -c "dokku ssh-keys:remove name1"
+  echo "output: "$output
+  echo "status: "$status
+  assert_success
+  run /bin/bash -c "dokku ssh-keys:list | grep name1"
+  echo "output: "$output
+  echo "status: "$status
+  assert_failure
+  run /bin/bash -c "dokku ssh-keys:list | grep name2"
+  echo "output: "$output
+  echo "status: "$status
+  assert_success
+}

tests/unit/test_helper.bash

@@ -117,6 +117,12 @@ create_app() {
   dokku apps:create "$TEST_APP"
 }
 
+
+create_key() {
+  touch "$DOKKU_ROOT/.ssh/authorized_keys" && chown dokku:dokku "$DOKKU_ROOT/.ssh/authorized_keys"
+  ssh-keygen -P "" -f /tmp/testkey &> /dev/null
+}
+
 destroy_app() {
   local RC="$1"; local RC=${RC:=0}
   local APP="$2"; local TEST_APP=${APP:=$TEST_APP}
@@ -124,6 +130,10 @@ destroy_app() {
   return "$RC"
 }
 
+destroy_key() {
+  rm -f "$DOKKU_ROOT/.ssh/authorized_keys" /tmp/testkey* &> /dev/null || true
+}
+
 add_domain() {
   dokku domains:add "$TEST_APP" "$1"
 }