reutilizar contenedores

This commit is contained in:
f 2022-03-07 12:49:49 -03:00
parent c9edc86be3
commit 07546bafb2
3 changed files with 69 additions and 103 deletions

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# Este Dockerfile está armado pensando en una compilación lanzada desde
# el mismo repositorio de trabajo. Cuando tengamos CI/CD algunas cosas
# como el tarball van a tener que cambiar porque ya vamos a haber hecho
# un clone/pull limpio.
FROM alpine:3.13.6 AS build
FROM registry.nulo.in/sutty/rails:3.13.6-2.7.5 AS build
MAINTAINER "f <f@sutty.nl>"
ARG RAILS_MASTER_KEY
ARG BRANCH
# Un entorno base
ENV BRANCH=$BRANCH
ENV SECRET_KEY_BASE solo_es_necesaria_para_correr_rake
ENV RAILS_ENV production
ENV RAILS_MASTER_KEY=$RAILS_MASTER_KEY
RUN apk add --no-cache libxslt libxml2 tzdata ruby ruby-json ruby-bigdecimal ruby-rake
RUN apk add --no-cache postgresql-libs git yarn brotli libssh2 python3
RUN apk add --no-cache libxslt libxml2 tzdata postgresql-libs git yarn brotli libssh2 python3 findutils
RUN test "2.7.4" = `ruby -e 'puts RUBY_VERSION'`
USER rails
WORKDIR /srv/gems
# https://github.com/rubygems/rubygems/issues/2918
# https://gitlab.alpinelinux.org/alpine/aports/issues/10808
RUN apk add --no-cache patch
COPY ./rubygems-platform-musl.patch /tmp/
RUN cd /usr/lib/ruby/2.7.0 && patch -Np 0 -i /tmp/rubygems-platform-musl.patch
COPY --chown=rails:www-data ./Gemfile .
COPY --chown=rails:www-data ./Gemfile.lock .
# Agregar el usuario
RUN addgroup -g 82 -S www-data
RUN adduser -s /bin/sh -G www-data -h /home/app -D app
RUN install -dm750 -o app -g www-data /home/app/sutty
RUN gem install --no-document bundler:2.1.4
# Empezamos con la usuaria app
USER app
# Vamos a trabajar dentro de este directorio
WORKDIR /home/app/sutty
# Copiamos solo el Gemfile para poder instalar las gemas necesarias
COPY --chown=app:www-data ./Gemfile .
COPY --chown=app:www-data ./Gemfile.lock .
RUN bundle config set no-cache true
RUN bundle config set specific_platform true
RUN bundle install --path=./vendor --without='test development'
# Vaciar la caché
RUN rm vendor/ruby/2.7.0/cache/*.gem
# Copiar el repositorio git
COPY --chown=app:www-data ./.git/ ./.git/
# Hacer un clon limpio del repositorio en lugar de copiar todos los
# archivos
COPY --chown=rails:www-data ./.git/ ./.git/
RUN cd .. && git clone sutty checkout
RUN cd ../checkout && git checkout $BRANCH
WORKDIR /home/app/checkout
# Traer las gemas:
RUN rm -rf ./vendor
RUN mv ../sutty/vendor ./vendor
RUN mv ../sutty/.bundle ./.bundle
WORKDIR /srv/checkout
# Instalar secretos
COPY --chown=app:root ./config/credentials.yml.enc ./config/
RUN rm -rf ./vendor ./node_modules ./tmp/cache ./.git ./test ./doc
RUN mv ../gems/vendor ./vendor
RUN mv ../gems/.bundle ./.bundle
RUN find /srv/checkout/vendor/ruby/2.7.0 -maxdepth 3 -type d -name test -o -name spec -o -name rubocop | xargs -r rm -rf
RUN rm -rf ./node_modules ./tmp/cache ./.git ./test ./doc
# Eliminar archivos innecesarios
USER root
RUN apk add --no-cache findutils
RUN find /home/app/checkout/vendor/ruby/2.7.0 -maxdepth 3 -type d -name test -o -name spec -o -name rubocop | xargs -r rm -rf
# Contenedor final
FROM registry.nulo.in/sutty/monit:3.13.6
FROM registry.nulo.in/sutty/rails:3.13.6-2.7.5
ENV RAILS_ENV production
# Pandoc
RUN echo 'http://dl-cdn.alpinelinux.org/alpine/edge/testing' >> /etc/apk/repositories
RUN echo 'https://dl-cdn.alpinelinux.org/alpine/edge/testing' >> /etc/apk/repositories
# Instalar las dependencias, separamos la librería de base de datos para
# poder reutilizar este primer paso desde otros contenedores
RUN apk add --no-cache libxslt libxml2 tzdata ruby ruby-json ruby-bigdecimal ruby-rake ruby-irb ruby-io-console ruby-etc
RUN apk add --no-cache postgresql-libs libssh2 file rsync git jpegoptim vips
RUN apk add --no-cache ffmpeg imagemagick pandoc tectonic oxipng jemalloc
RUN apk add --no-cache git-lfs openssh-client patch
# Chequear que la versión de ruby sea la correcta
RUN test "2.7.4" = `ruby -e 'puts RUBY_VERSION'`
# https://github.com/rubygems/rubygems/issues/2918
# https://gitlab.alpinelinux.org/alpine/aports/issues/10808
COPY ./rubygems-platform-musl.patch /tmp/
RUN apk add --no-cache patch && cd /usr/lib/ruby/2.7.0 && patch -Np 0 -i /tmp/rubygems-platform-musl.patch && apk del patch
#
# Necesitamos yarn para que Jekyll pueda generar los sitios
# XXX: Eliminarlo cuando extraigamos la generación de sitios del proceso
# principal
RUN apk add --no-cache yarn
# Instalar foreman para poder correr los servicios
RUN gem install --no-document --no-user-install bundler:2.1.4 foreman
RUN apk add --no-cache libxslt libxml2 postgresql-libs libssh2 file \
rsync git jpegoptim vips ffmpeg imagemagick pandoc tectonic \
oxipng git-lfs openssh-client patch yarn daemonize ruby-webrick
# Agregar el grupo del servidor web y la usuaria
RUN addgroup -g 82 -S www-data
RUN adduser -s /bin/sh -G www-data -h /srv/http -D app
RUN gem install --no-document --no-user-install foreman
USER rails
RUN rm -rf /srv
COPY --from=build --chown=rails:www-data /srv/checkout /srv
# Convertirse en app para instalar
USER app
COPY --from=build --chown=app:www-data /home/app/checkout /srv/http
COPY --chown=app:www-data ./.git/ ./.git/
RUN rm -rf /srv/http/_sites /srv/http/_deploy
RUN ln -s data/_storage /srv/http/_storage
RUN ln -s data/_sites /srv/http/_sites
RUN ln -s data/_deploy /srv/http/_deploy
RUN ln -s data/_private /srv/http/_private
# Volver a root para cerrar la compilación
USER root
# Instalar la configuración de monit
RUN install -m 640 -o root -g root /srv/http/monit.conf /etc/monit.d/sutty.conf
RUN apk add --no-cache daemonize ruby-webrick
RUN install -m 755 /srv/http/entrypoint.sh /usr/local/bin/sutty
RUN install -m 640 -o root -g root /srv/monit.conf /etc/monit.d/sutty.conf
RUN install -m 755 /srv/entrypoint.sh /usr/local/bin/sutty
# Mantener estos directorios!
VOLUME "/srv/http/data"
VOLUME "/srv/data"
# El puerto de puma
EXPOSE 3000
EXPOSE 9394

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#!/bin/sh
set -e
s_pid=/srv/tmp/puma.pid
p_pid=/tmp/prometheus.pid
case $1 in
sutty)
su app -c "cd /srv/http && foreman start migrate"
daemonize -c /srv/http -u app /usr/bin/foreman start sutty
start)
su rails -c "cd /srv && foreman run migrate"
daemonize -c /srv -u rails /usr/bin/foreman start sutty
;;
stop)
cat $s_pid | xargs -r kill
;;
reload)
cat $s_pid | xargs -r kill -USR2
;;
prometheus)
case $2 in
start)
rm -f $p_pid
daemonize -c /srv -p $p_pid -l $p_pid -u rails /usr/bin/foreman start prometheus
;;
stop)
cat $p_pid | xargs -r kill
rm -f $p_pid
;;
esac
;;
blazer)
test -z "$2" || b="_$2"
su rails -c "cd /srv && foreman run blazer$b"
;;
prometheus) daemonize -c /srv/http -p /tmp/prometheus.pid -l /tmp/prometheus.pid -u app /usr/bin/foreman start prometheus ;;
esac

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check process sutty with pidfile /srv/http/tmp/puma.pid
start program = "/usr/local/bin/sutty sutty"
stop program = "/bin/sh -c 'cat /srv/http/tmp/puma.pid | xargs kill'"
check process sutty with pidfile /srv/tmp/puma.pid
start program = "/usr/local/bin/sutty start"
stop program = "/usr/local/bin/sutty stop"
check process prometheus with pidfile /tmp/prometheus.pid
start program = "/usr/local/bin/sutty prometheus"
stop program = "/bin/sh -c 'cat /tmp/prometheus.pid | xargs kill'"
start program = "/usr/local/bin/sutty prometheus start"
stop program = "/usr/local/bin/sutty prometheus start"
check program blazer_5m
with path "/bin/sh -c 'cd /srv/http && foreman start blazer_5m'"
as uid "app" and gid "www-data"
with path "/usr/local/bin/sutty blazer 5m"
every 5 cycles
if status != 0 then alert
check program blazer_1h
with path "/bin/sh -c 'cd /srv/http && foreman start blazer_1h'"
as uid "app" and gid "www-data"
with path "/usr/local/bin/sutty blazer 1h"
every 60 cycles
if status != 0 then alert
check program blazer_1d
with path "/bin/sh -c 'cd /srv/http && foreman start blazer_1d'"
as uid "app" and gid "www-data"
with path "/usr/local/bin/sutty blazer 1d"
every 1440 cycles
if status != 0 then alert
check program blazer
with path "/bin/sh -c 'cd /srv/http && foreman start blazer'"
as uid "app" and gid "www-data"
with path "/usr/local/bin/sutty blazer"
every 61 cycles
if status != 0 then alert