iankelling.org Git - distro-setup/blob - generate-ui.sh

   1 #!/bin/bash
   2 # I, Ian Kelling, follow the GNU license recommendations at
   3 # https://www.gnu.org/licenses/license-recommendations.en.html. They
   4 # recommend that small programs, < 300 lines, be licensed under the
   5 # Apache License 2.0. This file contains or is part of one or more small
   6 # programs. If a small program grows beyond 300 lines, I plan to switch
   7 # its license to GPL.
   8
   9 # Copyright 2024 Ian Kelling
  10
  11 # Licensed under the Apache License, Version 2.0 (the "License");
  12 # you may not use this file except in compliance with the License.
  13 # You may obtain a copy of the License at
  14
  15 #     http://www.apache.org/licenses/LICENSE-2.0
  16
  17 # Unless required by applicable law or agreed to in writing, software
  18 # distributed under the License is distributed on an "AS IS" BASIS,
  19 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  20 # See the License for the specific language governing permissions and
  21 # limitations under the License.
  22
  23
  24 # iank: fixed version of /usr/share/prometheus/alertmanager/generate-ui.sh, plus exit if already build
  25 set -e
  26
  27 if [[ -e /usr/share/prometheus/alertmanager/ui/index.html ]]; then
  28   exit 0
  29 fi
  30
  31
  32 ELMDISTURL=https://github.com/elm/compiler/releases/download/0.19.1/binary-for-linux-64-bit.gz
  33 SRCDIR=/usr/share/gocode/src/github.com/prometheus/alertmanager/ui/app
  34 DSTDIR=/usr/share/prometheus/alertmanager/ui
  35
  36 echo "Installing dependencies..." >&2
  37 apt install libjs-bootstrap4 fonts-font-awesome curl uglifyjs \
  38     golang-github-prometheus-alertmanager-dev
  39
  40 #/usr/share/fonts-font-awesome/
  41 TMPDIR=$(mktemp -d)
  42
  43 echo "Downloading Elm tools..." >&2
  44 cd $TMPDIR
  45 curl --location $ELMDISTURL | zcat >$TMPDIR/elm
  46 chmod +x $TMPDIR/elm
  47
  48 echo "Compiling source code..." >&2
  49 ln -s $SRCDIR/src $SRCDIR/elm.json $TMPDIR
  50 (cd $TMPDIR; ./elm make src/Main.elm --optimize --output $TMPDIR/app.js)
  51
  52 echo "Optimising source code..." >&2
  53 uglifyjs $TMPDIR/app.js \
  54          --compress 'pure_funcs="F2,F3,F4,F5,F6,F7,F8,F9,A2,A3,A4,A5,A6,A7,A8,A9",pure_getters,keep_fargs=false,unsafe_comps,unsafe' \
  55          --mangle --output $TMPDIR/script.js
  56
  57 echo "Installing in Alertmanager directory..." >&2
  58 mkdir -p $DSTDIR
  59 mkdir -p $DSTDIR/lib
  60 cp $TMPDIR/script.js $DSTDIR
  61 cp $SRCDIR/index.html $SRCDIR/favicon.ico $DSTDIR
  62 ln -s /usr/share/fonts-font-awesome $DSTDIR/lib/font-awesome
  63 ln -s /usr/share/nodejs/bootstrap/dist $DSTDIR/lib/bootstrap4
  64
  65 rm -rf $TMPDIR
  66
  67 echo "Finished! Please, restart prometheus-alertmanager to activate UI." >&2