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Update for pg_dump backups

master
Bel LaPointe 2020-04-07 13:07:58 -06:00
parent 89333e35c6
commit 2cffb2c2cb
2 changed files with 15 additions and 12 deletions
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25
Dockerfile
View File

@ -1,13 +1,16 @@
FROM ubuntu:18.10 as builder
RUN apt -y update \
&& apt -y install gcc
FROM ubuntu:20.04 as builder
RUN apt -y update || true; apt -y install gcc
COPY ./pause /pause
RUN cd /pause && gcc ./main.c -o pauser
FROM ubuntu:18.10
FROM ubuntu:20.04
RUN groupadd postgres && useradd -d /home/postgres -ms /bin/bash -g postgres -G sudo postgres
RUN apt -y update \
&& apt -y install \
RUN export DEBIAN_FRONTEND=noninteractive; \
apt -y update || true; \
apt -y install tzdata; \
ln -fs /usr/share/zoneinfo/America/Denver /etc/localtime; \
dpkg-reconfigure --frontend noninteractive tzdata; \
apt -y install \
curl \
rsync \
cron \
@ -40,17 +43,17 @@ COPY --from=builder /pause/pauser /pauser
USER root
### CRON BACKUPS
RUN true \
&& echo 'service postgresql stop && sleep 5 && b=$(date +%Y%m%d%H) && mkdir -p /mnt/save/$b && rsync -avzP --delete /var/lib/postgresql/10/main/ /mnt/save/$b/ && service postgresql start' > /backup.sh \
&& echo 'service postgresql stop && sleep 5 && b=$(find /mnt/save -mindepth 1 -maxdepth 1 | sort | tail -n 1); if [ -n "$b" ]; then rsync -avzP --delete "${b%/}/" /var/lib/postgresql/10/main/; fi && chown -R postgres /var/lib/postgresql && chmod -R 0700 /var/lib/postgresql && service postgresql start;' > /restore.sh \
&& echo 'b=$(date +%Y%m%d%H%M%S) && mkdir -p /mnt/save/$b && pg_dump $DATABASE_URL > /mnt/save/$b/pg.dump' > /backup.sh \
&& echo 'b=$(find /mnt/save -type f | sort | tail -n 1); if [ -n "$b" ]; then echo restoring $b; psql $DATABASE_URL < "$b"; fi && service postgresql start;' > /restore.sh \
&& echo '0 4,8,12,16,20 * * * bash /backup.sh >> /var/log/cronj.log 2>&1' > /etc/cron.d/backups \
&& echo '' >> /etc/cron.d/backups \
&& chmod 0644 /etc/cron.d/backups \
&& touch /var/log/cronj.log
ENTRYPOINT \
bash /restore.sh \
&& service postgresql start \
&& sleep 10 \
service postgresql start \
&& until psql $DATABASE_URL < /dev/null; do sleep 5; done \
&& bash /restore.sh \
&& miniflux -migrate \
&& miniflux -create-admin \
&& miniflux \

2
pause/main.c
View File

@ -14,7 +14,7 @@ int main() {
printf("Waiting...\n");
stat = sigwait(&set, &sig);
printf("Wait complete: %i (%i)\n", sig, stat);
printf("Stopped postgres: %i\n", system("service postgresql stop && sleep 5"));
printf("Saved postgres: %i\n", system("bash /backup.sh"));
printf("Bye-bye!\n");
return 0;
}