From 9535a9bed93de691f0418fbe6f7c14b3e760b1d7 Mon Sep 17 00:00:00 2001
From: Jarno Rankinen <jarno@oranki.net>
Date: Mon, 3 Oct 2022 21:43:39 +0300
Subject: [PATCH] Install services, populate mounted empty /var/spool on init

---
 Dockerfile                 |  21 +++++++++++++++++++++
 mailpod-entrypoint         |   7 +++++++
 mailpod-entrypoint.service |   9 +++++++++
 spool.tar.gz               | Bin 0 -> 436 bytes
 4 files changed, 37 insertions(+)
 create mode 100644 Dockerfile
 create mode 100755 mailpod-entrypoint
 create mode 100644 mailpod-entrypoint.service
 create mode 100644 spool.tar.gz

diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..54ee087
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,21 @@
+FROM rockylinux:8
+ENV container docker
+#RUN (cd /lib/systemd/system/sysinit.target.wants/; for i in *; do [ $i == \
+#systemd-tmpfiles-setup.service ] || rm -f $i; done); \
+#rm -f /lib/systemd/system/multi-user.target.wants/*;\
+#rm -f /etc/systemd/system/*.wants/*;\
+#rm -f /lib/systemd/system/local-fs.target.wants/*; \
+#rm -f /lib/systemd/system/sockets.target.wants/*udev*; \
+#rm -f /lib/systemd/system/sockets.target.wants/*initctl*; \
+#rm -f /lib/systemd/system/basic.target.wants/*;\
+#rm -f /lib/systemd/system/anaconda.target.wants/*;
+COPY spool.tar.gz /var/
+RUN dnf install epel-release -y
+RUN dnf install postfix dovecot opendkim -y
+COPY mailpod-entrypoint /usr/local/bin
+COPY mailpod-entrypoint.service /etc/systemd/system/
+RUN systemctl enable mailpod-entrypoint.service
+VOLUME [ "/sys/fs/cgroup" ]
+#ENTRYPOINT ["/usr/sbin/mailpod-entrypoint"]
+CMD ["/usr/sbin/init"]
+
diff --git a/mailpod-entrypoint b/mailpod-entrypoint
new file mode 100755
index 0000000..90734d9
--- /dev/null
+++ b/mailpod-entrypoint
@@ -0,0 +1,7 @@
+#!/bin/bash
+
+if [[ "$(find /var/spool -maxdepth 0 -empty)" == "/var/spool" ]]; then
+	pushd /var/spool &> /dev/null
+	tar xzf ../spool.tar.gz
+    popd &> /dev/null
+fi
diff --git a/mailpod-entrypoint.service b/mailpod-entrypoint.service
new file mode 100644
index 0000000..9bf5c8b
--- /dev/null
+++ b/mailpod-entrypoint.service
@@ -0,0 +1,9 @@
+[Unit]
+Description=Mailpod entrypoint
+
+[Service]
+Type=simple
+ExecStart=/usr/local/bin/mailpod-entrypoint
+
+[Install]
+WantedBy=default.target
diff --git a/spool.tar.gz b/spool.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..1a268d04e10d27ecfc23f8dff351bcbf028eb985
GIT binary patch
literal 436
zcmV;l0ZaZLiwFQ2BRgXN1MQhzZi6rkfH_KUusA>DJPha>4G0RM+VK}yqpp+Mu1L0M
z$@db`<RQvuo8Y#EY2GqiSU_tvkAa^NWPF}~0||m@CbiHR111&Eb_#i4GvnY3x7%gT
zT7PR@8xD$MKg8I+?y67IV#dJiU(NnO%Q%WZ{y9@Qa5np&LV?(SJcw)S?#(|by&e4C
ze4&<rU;fYee;!Z%1>`vonGeA~aG9?x|L@H|DbasXdULFC!eI7)@(lv6_~%@ST!$c-
z@}GzDK<oc>5Lef|xc_%Mc4hLvS^uSVZtOiu04(q?bL#rPasO4luN~4YV1a)Yt_#UO
z0T=#VU15a40{==;-~Tu6f8UJ5VLkZ|0LecE(f`3VD7ioJxPKnT<e!4*-*lyIP4}^u
z`mfXdpM>atYHwD~_GtdarT_4Wcf-GwTCdFiG(Q~>#hwU>{(FN~{{PwkyQu$6Qs4hJ
z-v8^JITjwL0kok0OG*9z&&KP2KfX7nMC|{;L-jwr0aoV!#q0l29C1GWvt|7so${ZA
e=-;~ntNp*of9n4x5{X12fyXzWQ+}BMC;$Kh+UL9g

literal 0
HcmV?d00001