From e2a0c40e6bf3919e6cef6ed1789251b30367dc11 Mon Sep 17 00:00:00 2001
From: Alex Auvolat <alex@adnab.me>
Date: Sun, 15 Nov 2020 19:27:57 +0100
Subject: Script to backup Consul KV store

---
 app/build/backup-consul/Dockerfile   | 21 +++++++++++++++++++++
 app/build/backup-consul/do_backup.sh | 19 +++++++++++++++++++
 2 files changed, 40 insertions(+)
 create mode 100644 app/build/backup-consul/Dockerfile
 create mode 100755 app/build/backup-consul/do_backup.sh

(limited to 'app/build')

diff --git a/app/build/backup-consul/Dockerfile b/app/build/backup-consul/Dockerfile
new file mode 100644
index 0000000..ff052bf
--- /dev/null
+++ b/app/build/backup-consul/Dockerfile
@@ -0,0 +1,21 @@
+FROM amd64/debian:buster
+
+RUN apt-get update && \
+	apt-get -qq -y full-upgrade && \
+	apt-get install -y rsync wget openssh-client unzip && \
+	apt-get clean && \
+	rm -f /var/lib/apt/lists/*_*
+
+RUN mkdir -p /root/.ssh
+WORKDIR /root
+
+RUN wget https://releases.hashicorp.com/consul/1.8.5/consul_1.8.5_linux_amd64.zip && \
+	unzip consul_1.8.5_linux_amd64.zip && \
+	chmod +x consul && \
+	mv consul /usr/local/bin && \
+	rm consul_1.8.5_linux_amd64.zip
+
+COPY do_backup.sh /root/do_backup.sh
+
+CMD "/root/do_backup.sh"
+
diff --git a/app/build/backup-consul/do_backup.sh b/app/build/backup-consul/do_backup.sh
new file mode 100755
index 0000000..049c998
--- /dev/null
+++ b/app/build/backup-consul/do_backup.sh
@@ -0,0 +1,19 @@
+#!/bin/sh
+
+set -x -e
+
+cd /root
+
+chmod 0600 .ssh/id_ed25519
+
+cat > .ssh/config <<EOF
+Host backuphost
+	HostName $TARGET_SSH_HOST
+	Port $TARGET_SSH_PORT
+	User $TARGET_SSH_USER
+EOF
+
+consul kv export > consul_kv_dump.json
+gzip consul_kv_dump.json
+
+rsync -vvvz --progress consul_kv_dump.json.gz "backuphost:$TARGET_SSH_DIR/consul/"
-- 
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