install: Disable installation and provisioning on Ubuntu 14.04 Trusty.

Signed-off-by: Anders Kaseorg <anders@zulipchat.com>

scripts/lib/install

@@ -100,7 +100,7 @@ os_info="$(lsb_release --short --id --release --codename)"
 { read -r os_id; read -r os_release; read -r os_codename; } <<< "$os_info"
 
 case "$os_codename" in
-    trusty|xenial|stretch|bionic) ;;
+    xenial|stretch|bionic) ;;
     *)
         set +x
         cat <<EOF
@@ -109,7 +109,6 @@ Unsupported OS release: $os_codename
 
 Zulip in production is supported only on:
  - Debian 9 "stretch"
- - Ubuntu 14.04 LTS "trusty" (deprecated)
  - Ubuntu 16.04 LTS "xenial"
  - Ubuntu 18.04 LTS "bionic"
 

scripts/lib/setup-apt-repo

@@ -36,7 +36,7 @@ apt-get -y install "${pre_setup_deps[@]}"
 SCRIPTS_PATH="$(dirname "$(dirname "$0")")"
 
 release=$(lsb_release -sc)
-if [ "$release" = "trusty" ] || [ "$release" = "xenial" ] || [ "$release" = "bionic" ]; then
+if [ "$release" = "xenial" ] || [ "$release" = "bionic" ]; then
     apt-key add "$SCRIPTS_PATH"/setup/pgroonga-ppa.asc
     apt-key add "$SCRIPTS_PATH"/setup/zulip-ppa.asc
     cat >$SOURCES_FILE <<EOF

scripts/lib/setup_venv.py

@@ -4,7 +4,7 @@ import os
 import shutil
 import subprocess
 import sys
-from scripts.lib.zulip_tools import run, run_as_root, ENDC, WARNING, parse_lsb_release
+from scripts.lib.zulip_tools import run, run_as_root, ENDC, WARNING
 from scripts.lib.hash_reqs import expand_reqs
 
 ZULIP_PATH = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
@@ -30,9 +30,7 @@ VENV_DEPENDENCIES = [
     "python-dev",
     "python3-pip",
     "python-pip",
-    "python-virtualenv",    # Trusty lacks `python3-virtualenv`.
-                            # Fortunately we don't need the library,
-                            # only the command, and this suffices.
+    "virtualenv",
     "python3-six",
     "python-six",
     "libxml2-dev",          # Used for installing talon
@@ -78,12 +76,6 @@ FEDORA_VENV_DEPENDENCIES = COMMON_YUM_VENV_DEPENDENCIES + [
     "virtualenv",  # see https://unix.stackexchange.com/questions/27877/install-virtualenv-on-fedora-16
 ]
 
-codename = parse_lsb_release()["DISTRIB_CODENAME"]
-
-if codename != "trusty":
-    # Workaround for the fact that trusty has a different package name here.
-    VENV_DEPENDENCIES.append("virtualenv")
-
 THUMBOR_VENV_DEPENDENCIES = [
     "libcurl4-openssl-dev",
     "libjpeg-dev",

scripts/zulip-puppet-apply

@@ -22,7 +22,7 @@ config.read("/etc/zulip/zulip.conf")
 
 if not os.path.exists("/etc/puppet/hiera.yaml"):
     codename = parse_lsb_release()['DISTRIB_CODENAME']
-    if codename in ["trusty", "stretch", "xenial"]:
+    if codename in ["stretch", "xenial"]:
         # Suppress warnings in old puppet about hiera.yaml not existing.
         open("/etc/puppet/hiera.yaml", "a").close()