refactor: drop web installer in favor of setup via cli

This makes the installation a bit more secure by ensuring a user does not accidentally expose a way for unauthorized users to add new ssh keys to the system.

Additionally, this removes the extra HOSTNAME file to make the initial install process easier (that file was not modifiable by any dokku commands.

Closes #2247

tests/unit/domains.bats

@@ -5,14 +5,12 @@ load test_helper
 setup() {
   global_setup
   [[ -f "$DOKKU_ROOT/VHOST" ]] && cp -fp "$DOKKU_ROOT/VHOST" "$DOKKU_ROOT/VHOST.bak"
-  [[ -f "$DOKKU_ROOT/HOSTNAME" ]] && cp -fp "$DOKKU_ROOT/HOSTNAME" "$DOKKU_ROOT/HOSTNAME.bak"
   create_app
 }
 
 teardown() {
   destroy_app
   [[ -f "$DOKKU_ROOT/VHOST.bak" ]] && mv "$DOKKU_ROOT/VHOST.bak" "$DOKKU_ROOT/VHOST" && chown dokku:dokku "$DOKKU_ROOT/VHOST"
-  [[ -f "$DOKKU_ROOT/HOSTNAME.bak" ]] && mv "$DOKKU_ROOT/HOSTNAME.bak" "$DOKKU_ROOT/HOSTNAME" && chown dokku:dokku "$DOKKU_ROOT/HOSTNAME"
   global_teardown
 }
 

tests/unit/network.bats

@@ -5,14 +5,12 @@ load test_helper
 setup() {
   global_setup
   [[ -f "$DOKKU_ROOT/VHOST" ]] && cp -fp "$DOKKU_ROOT/VHOST" "$DOKKU_ROOT/VHOST.bak"
-  [[ -f "$DOKKU_ROOT/HOSTNAME" ]] && cp -fp "$DOKKU_ROOT/HOSTNAME" "$DOKKU_ROOT/HOSTNAME.bak"
   create_app
 }
 
 teardown() {
   destroy_app 0 $TEST_APP
   [[ -f "$DOKKU_ROOT/VHOST.bak" ]] && mv "$DOKKU_ROOT/VHOST.bak" "$DOKKU_ROOT/VHOST" && chown dokku:dokku "$DOKKU_ROOT/VHOST"
-  [[ -f "$DOKKU_ROOT/HOSTNAME.bak" ]] && mv "$DOKKU_ROOT/HOSTNAME.bak" "$DOKKU_ROOT/HOSTNAME" && chown dokku:dokku "$DOKKU_ROOT/HOSTNAME"
   docker network rm create-network || true
   docker network rm deploy-network || true
   docker network rm initial-network || true

tests/unit/nginx-vhosts_1.bats

@@ -6,14 +6,11 @@ source "$PLUGIN_CORE_AVAILABLE_PATH/config/functions"
 setup() {
   global_setup
   [[ -f "$DOKKU_ROOT/VHOST" ]] && cp -fp "$DOKKU_ROOT/VHOST" "$DOKKU_ROOT/VHOST.bak"
-  [[ -f "$DOKKU_ROOT/HOSTNAME" ]] && cp -fp "$DOKKU_ROOT/HOSTNAME" "$DOKKU_ROOT/HOSTNAME.bak"
 }
 
 teardown() {
-  detach_delete_network
   destroy_app
   [[ -f "$DOKKU_ROOT/VHOST.bak" ]] && mv "$DOKKU_ROOT/VHOST.bak" "$DOKKU_ROOT/VHOST" && chown dokku:dokku "$DOKKU_ROOT/VHOST"
-  [[ -f "$DOKKU_ROOT/HOSTNAME.bak" ]] && mv "$DOKKU_ROOT/HOSTNAME.bak" "$DOKKU_ROOT/HOSTNAME" && chown dokku:dokku "$DOKKU_ROOT/HOSTNAME"
   global_teardown
 }
 
@@ -35,7 +32,7 @@ teardown() {
   deploy_app
   dokku domains:disable $TEST_APP
 
-  HOSTNAME=$(< "$DOKKU_ROOT/HOSTNAME")
+  HOSTNAME=$(< "$DOKKU_ROOT/VHOST")
   check_urls http://${HOSTNAME}:[0-9]+
 
   URLS=$(dokku --quiet urls "$TEST_APP")

tests/unit/nginx-vhosts_10.bats

@@ -5,14 +5,12 @@ load test_helper
 setup() {
   global_setup
   [[ -f "$DOKKU_ROOT/VHOST" ]] && cp -fp "$DOKKU_ROOT/VHOST" "$DOKKU_ROOT/VHOST.bak"
-  [[ -f "$DOKKU_ROOT/HOSTNAME" ]] && cp -fp "$DOKKU_ROOT/HOSTNAME" "$DOKKU_ROOT/HOSTNAME.bak"
   create_app
 }
 
 teardown() {
   destroy_app 0 $TEST_APP
   [[ -f "$DOKKU_ROOT/VHOST.bak" ]] && mv "$DOKKU_ROOT/VHOST.bak" "$DOKKU_ROOT/VHOST" && chown dokku:dokku "$DOKKU_ROOT/VHOST"
-  [[ -f "$DOKKU_ROOT/HOSTNAME.bak" ]] && mv "$DOKKU_ROOT/HOSTNAME.bak" "$DOKKU_ROOT/HOSTNAME" && chown dokku:dokku "$DOKKU_ROOT/HOSTNAME"
   global_teardown
 }
 

tests/unit/nginx-vhosts_11.bats

@@ -5,14 +5,12 @@ load test_helper
 setup() {
   global_setup
   [[ -f "$DOKKU_ROOT/VHOST" ]] && cp -fp "$DOKKU_ROOT/VHOST" "$DOKKU_ROOT/VHOST.bak"
-  [[ -f "$DOKKU_ROOT/HOSTNAME" ]] && cp -fp "$DOKKU_ROOT/HOSTNAME" "$DOKKU_ROOT/HOSTNAME.bak"
   create_app
 }
 
 teardown() {
   destroy_app 0 $TEST_APP
   [[ -f "$DOKKU_ROOT/VHOST.bak" ]] && mv "$DOKKU_ROOT/VHOST.bak" "$DOKKU_ROOT/VHOST" && chown dokku:dokku "$DOKKU_ROOT/VHOST"
-  [[ -f "$DOKKU_ROOT/HOSTNAME.bak" ]] && mv "$DOKKU_ROOT/HOSTNAME.bak" "$DOKKU_ROOT/HOSTNAME" && chown dokku:dokku "$DOKKU_ROOT/HOSTNAME"
   global_teardown
 }
 

tests/unit/nginx-vhosts_2.bats

@@ -5,14 +5,12 @@ load test_helper
 setup() {
   global_setup
   [[ -f "$DOKKU_ROOT/VHOST" ]] && cp -fp "$DOKKU_ROOT/VHOST" "$DOKKU_ROOT/VHOST.bak"
-  [[ -f "$DOKKU_ROOT/HOSTNAME" ]] && cp -fp "$DOKKU_ROOT/HOSTNAME" "$DOKKU_ROOT/HOSTNAME.bak"
   create_app
 }
 
 teardown() {
   destroy_app 0 $TEST_APP
   [[ -f "$DOKKU_ROOT/VHOST.bak" ]] && mv "$DOKKU_ROOT/VHOST.bak" "$DOKKU_ROOT/VHOST" && chown dokku:dokku "$DOKKU_ROOT/VHOST"
-  [[ -f "$DOKKU_ROOT/HOSTNAME.bak" ]] && mv "$DOKKU_ROOT/HOSTNAME.bak" "$DOKKU_ROOT/HOSTNAME" && chown dokku:dokku "$DOKKU_ROOT/HOSTNAME"
   global_teardown
 }
 

tests/unit/nginx-vhosts_3.bats

@@ -6,7 +6,6 @@ source "$PLUGIN_CORE_AVAILABLE_PATH/config/functions"
 setup() {
   global_setup
   [[ -f "$DOKKU_ROOT/VHOST" ]] && cp -fp "$DOKKU_ROOT/VHOST" "$DOKKU_ROOT/VHOST.bak"
-  [[ -f "$DOKKU_ROOT/HOSTNAME" ]] && cp -fp "$DOKKU_ROOT/HOSTNAME" "$DOKKU_ROOT/HOSTNAME.bak"
   create_app
   docker build "${BATS_TEST_DIRNAME}/../../tests/apps/gogrpc" -t ${TEST_APP}-docker-image
 }
@@ -14,7 +13,6 @@ setup() {
 teardown() {
   destroy_app 0 $TEST_APP
   [[ -f "$DOKKU_ROOT/VHOST.bak" ]] && mv "$DOKKU_ROOT/VHOST.bak" "$DOKKU_ROOT/VHOST" && chown dokku:dokku "$DOKKU_ROOT/VHOST"
-  [[ -f "$DOKKU_ROOT/HOSTNAME.bak" ]] && mv "$DOKKU_ROOT/HOSTNAME.bak" "$DOKKU_ROOT/HOSTNAME" && chown dokku:dokku "$DOKKU_ROOT/HOSTNAME"
   global_teardown
 }
 

tests/unit/nginx-vhosts_4.bats

@@ -6,23 +6,24 @@ source "$PLUGIN_CORE_AVAILABLE_PATH/config/functions"
 setup() {
   global_setup
   [[ -f "$DOKKU_ROOT/VHOST" ]] && cp -fp "$DOKKU_ROOT/VHOST" "$DOKKU_ROOT/VHOST.bak"
-  [[ -f "$DOKKU_ROOT/HOSTNAME" ]] && cp -fp "$DOKKU_ROOT/HOSTNAME" "$DOKKU_ROOT/HOSTNAME.bak"
 }
 
 teardown() {
-  detach_delete_network
   destroy_app
   [[ -f "$DOKKU_ROOT/VHOST.bak" ]] && mv "$DOKKU_ROOT/VHOST.bak" "$DOKKU_ROOT/VHOST" && chown dokku:dokku "$DOKKU_ROOT/VHOST"
-  [[ -f "$DOKKU_ROOT/HOSTNAME.bak" ]] && mv "$DOKKU_ROOT/HOSTNAME.bak" "$DOKKU_ROOT/HOSTNAME" && chown dokku:dokku "$DOKKU_ROOT/HOSTNAME"
   global_teardown
 }
 
-@test "(nginx-vhosts) nginx:build-config (without global VHOST but real HOSTNAME)" {
+@test "(nginx-vhosts) nginx:build-config (without global VHOST)" {
   rm "$DOKKU_ROOT/VHOST"
-  echo "${TEST_APP}.dokku.me" > "$DOKKU_ROOT/HOSTNAME"
   deploy_app
 
-  HOSTNAME=$(< "$DOKKU_ROOT/HOSTNAME")
+  run /bin/bash -c "dokku --quiet urls $TEST_APP"
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+
+  HOSTNAME="$(hostname -f)"
   check_urls http://${HOSTNAME}:[0-9]+
 
   URLS=$(dokku --quiet urls "$TEST_APP")
@@ -33,10 +34,10 @@ teardown() {
 
 @test "(nginx-vhosts) nginx:build-config (without global VHOST and IPv4 address set as HOSTNAME)" {
   rm "$DOKKU_ROOT/VHOST"
-  echo "127.0.0.1" > "$DOKKU_ROOT/HOSTNAME"
+  echo "127.0.0.1" > "$DOKKU_ROOT/VHOST"
   deploy_app
 
-  HOSTNAME=$(< "$DOKKU_ROOT/HOSTNAME")
+  HOSTNAME=$(< "$DOKKU_ROOT/VHOST")
   check_urls http://${HOSTNAME}:[0-9]+
 
   URLS=$(dokku --quiet urls "$TEST_APP")
@@ -47,10 +48,10 @@ teardown() {
 
 @test "(nginx-vhosts) nginx:build-config (without global VHOST and IPv6 address set as HOSTNAME)" {
   rm "$DOKKU_ROOT/VHOST"
-  echo "fda5:c7db:a520:bb6d::aabb:ccdd:eeff" > "$DOKKU_ROOT/HOSTNAME"
+  echo "fda5:c7db:a520:bb6d::aabb:ccdd:eeff" > "$DOKKU_ROOT/VHOST"
   deploy_app
 
-  HOSTNAME=$(< "$DOKKU_ROOT/HOSTNAME")
+  HOSTNAME=$(< "$DOKKU_ROOT/VHOST")
   check_urls http://${HOSTNAME}:[0-9]+
 }
 

tests/unit/nginx-vhosts_5.bats

@@ -6,14 +6,12 @@ source "$PLUGIN_CORE_AVAILABLE_PATH/config/functions"
 setup() {
   global_setup
   [[ -f "$DOKKU_ROOT/VHOST" ]] && cp -fp "$DOKKU_ROOT/VHOST" "$DOKKU_ROOT/VHOST.bak"
-  [[ -f "$DOKKU_ROOT/HOSTNAME" ]] && cp -fp "$DOKKU_ROOT/HOSTNAME" "$DOKKU_ROOT/HOSTNAME.bak"
 }
 
 teardown() {
   detach_delete_network
   destroy_app
   [[ -f "$DOKKU_ROOT/VHOST.bak" ]] && mv "$DOKKU_ROOT/VHOST.bak" "$DOKKU_ROOT/VHOST" && chown dokku:dokku "$DOKKU_ROOT/VHOST"
-  [[ -f "$DOKKU_ROOT/HOSTNAME.bak" ]] && mv "$DOKKU_ROOT/HOSTNAME.bak" "$DOKKU_ROOT/HOSTNAME" && chown dokku:dokku "$DOKKU_ROOT/HOSTNAME"
   global_teardown
 }
 

tests/unit/nginx-vhosts_6.bats

@@ -5,14 +5,12 @@ load test_helper
 setup() {
   global_setup
   [[ -f "$DOKKU_ROOT/VHOST" ]] && cp -fp "$DOKKU_ROOT/VHOST" "$DOKKU_ROOT/VHOST.bak"
-  [[ -f "$DOKKU_ROOT/HOSTNAME" ]] && cp -fp "$DOKKU_ROOT/HOSTNAME" "$DOKKU_ROOT/HOSTNAME.bak"
   create_app
 }
 
 teardown() {
   destroy_app 0 $TEST_APP
   [[ -f "$DOKKU_ROOT/VHOST.bak" ]] && mv "$DOKKU_ROOT/VHOST.bak" "$DOKKU_ROOT/VHOST" && chown dokku:dokku "$DOKKU_ROOT/VHOST"
-  [[ -f "$DOKKU_ROOT/HOSTNAME.bak" ]] && mv "$DOKKU_ROOT/HOSTNAME.bak" "$DOKKU_ROOT/HOSTNAME" && chown dokku:dokku "$DOKKU_ROOT/HOSTNAME"
   global_teardown
 }
 

tests/unit/nginx-vhosts_7.bats

@@ -5,14 +5,12 @@ load test_helper
 setup() {
   global_setup
   [[ -f "$DOKKU_ROOT/VHOST" ]] && cp -fp "$DOKKU_ROOT/VHOST" "$DOKKU_ROOT/VHOST.bak"
-  [[ -f "$DOKKU_ROOT/HOSTNAME" ]] && cp -fp "$DOKKU_ROOT/HOSTNAME" "$DOKKU_ROOT/HOSTNAME.bak"
   create_app
 }
 
 teardown() {
   destroy_app 0 $TEST_APP
   [[ -f "$DOKKU_ROOT/VHOST.bak" ]] && mv "$DOKKU_ROOT/VHOST.bak" "$DOKKU_ROOT/VHOST" && chown dokku:dokku "$DOKKU_ROOT/VHOST"
-  [[ -f "$DOKKU_ROOT/HOSTNAME.bak" ]] && mv "$DOKKU_ROOT/HOSTNAME.bak" "$DOKKU_ROOT/HOSTNAME" && chown dokku:dokku "$DOKKU_ROOT/HOSTNAME"
   global_teardown
 }
 

tests/unit/nginx-vhosts_8.bats

@@ -5,14 +5,12 @@ load test_helper
 setup() {
   global_setup
   [[ -f "$DOKKU_ROOT/VHOST" ]] && cp -fp "$DOKKU_ROOT/VHOST" "$DOKKU_ROOT/VHOST.bak"
-  [[ -f "$DOKKU_ROOT/HOSTNAME" ]] && cp -fp "$DOKKU_ROOT/HOSTNAME" "$DOKKU_ROOT/HOSTNAME.bak"
   create_app
 }
 
 teardown() {
   destroy_app 0 $TEST_APP
   [[ -f "$DOKKU_ROOT/VHOST.bak" ]] && mv "$DOKKU_ROOT/VHOST.bak" "$DOKKU_ROOT/VHOST" && chown dokku:dokku "$DOKKU_ROOT/VHOST"
-  [[ -f "$DOKKU_ROOT/HOSTNAME.bak" ]] && mv "$DOKKU_ROOT/HOSTNAME.bak" "$DOKKU_ROOT/HOSTNAME" && chown dokku:dokku "$DOKKU_ROOT/HOSTNAME"
   global_teardown
 }
 

tests/unit/nginx-vhosts_9.bats

@@ -5,14 +5,12 @@ load test_helper
 setup() {
   global_setup
   [[ -f "$DOKKU_ROOT/VHOST" ]] && cp -fp "$DOKKU_ROOT/VHOST" "$DOKKU_ROOT/VHOST.bak"
-  [[ -f "$DOKKU_ROOT/HOSTNAME" ]] && cp -fp "$DOKKU_ROOT/HOSTNAME" "$DOKKU_ROOT/HOSTNAME.bak"
   create_app
 }
 
 teardown() {
   destroy_app 0 $TEST_APP
   [[ -f "$DOKKU_ROOT/VHOST.bak" ]] && mv "$DOKKU_ROOT/VHOST.bak" "$DOKKU_ROOT/VHOST" && chown dokku:dokku "$DOKKU_ROOT/VHOST"
-  [[ -f "$DOKKU_ROOT/HOSTNAME.bak" ]] && mv "$DOKKU_ROOT/HOSTNAME.bak" "$DOKKU_ROOT/HOSTNAME" && chown dokku:dokku "$DOKKU_ROOT/HOSTNAME"
   global_teardown
 }
 

tests/unit/proxy.bats

@@ -5,14 +5,12 @@ load test_helper
 setup() {
   global_setup
   [[ -f "$DOKKU_ROOT/VHOST" ]] && cp -fp "$DOKKU_ROOT/VHOST" "$DOKKU_ROOT/VHOST.bak"
-  [[ -f "$DOKKU_ROOT/HOSTNAME" ]] && cp -fp "$DOKKU_ROOT/HOSTNAME" "$DOKKU_ROOT/HOSTNAME.bak"
   create_app
 }
 
 teardown() {
   destroy_app 0 $TEST_APP
   [[ -f "$DOKKU_ROOT/VHOST.bak" ]] && mv "$DOKKU_ROOT/VHOST.bak" "$DOKKU_ROOT/VHOST" && chown dokku:dokku "$DOKKU_ROOT/VHOST"
-  [[ -f "$DOKKU_ROOT/HOSTNAME.bak" ]] && mv "$DOKKU_ROOT/HOSTNAME.bak" "$DOKKU_ROOT/HOSTNAME" && chown dokku:dokku "$DOKKU_ROOT/HOSTNAME"
   global_teardown
 }
 

tests/unit/test_helper.bash

@@ -228,7 +228,7 @@ add_domain() {
 # shellcheck disable=SC2119
 check_urls() {
   local PATTERN="$1"
-  run /bin/bash -c "dokku --quiet urls $TEST_APP | grep -E \"${PATTERN}\""
+  run /bin/bash -c "dokku urls $TEST_APP | grep -E \"${PATTERN}\""
   echo "output: $output"
   echo "status: $status"
   assert_success