puppet: Add basic configuration for Ubuntu bionic.

puppet/zulip/manifests/base.pp

@@ -37,6 +37,7 @@ class zulip::base {
     '15.04' => 'vivid',
     '15.10' => 'wily',
     '16.04' => 'xenial',
+    '18.04' => 'bionic',
   }
 
   $postgres_version = $release_name ? {
@@ -48,6 +49,7 @@ class zulip::base {
     'vivid'   => '9.4',
     'wily'    => '9.4',
     'xenial'  => '9.5',
+    'bionic'  => '10',
   }
 
   $normal_queues = [

puppet/zulip/manifests/static_asset_compiler.pp

@@ -3,6 +3,8 @@ class zulip::static_asset_compiler {
     $closure_compiler_package = 'libclosure-compiler-java'
   } elsif $zulip::base::release_name == 'xenial' {
     $closure_compiler_package = 'closure-compiler'
+  } elsif $zulip::base::release_name == 'bionic' {
+    $closure_compiler_package = 'closure-compiler'
   } elsif $zulip::base::release_name == 'stretch' {
     $closure_compiler_package = 'closure-compiler'
   }

tools/lib/provision.py

@@ -111,6 +111,7 @@ POSTGRES_VERSION_MAP = {
     "trusty": "9.3",
     "xenial": "9.5",
     "zesty": "9.6",
+    "bionic": "10",
 }
 POSTGRES_VERSION = POSTGRES_VERSION_MAP[codename]
 
@@ -154,9 +155,10 @@ APT_DEPENDENCIES = {
         "postgresql-9.5-pgroonga",
         "virtualenv",  # see comment on stretch
     ],
-    "zesty": UBUNTU_COMMON_APT_DEPENDENCIES + [
-        "postgresql-9.6",
-        "postgresql-9.6-pgroonga",
+    "bionic": UBUNTU_COMMON_APT_DEPENDENCIES + [
+        "postgresql-10",
+        "postgresql-10-pgroonga",
+        "postgresql-10-tsearch-extras",
         "virtualenv",  # see comment on stretch
     ],
 }