From 8de79895d02fff4ee770d85554fc9a606d2adc27 Mon Sep 17 00:00:00 2001
From: "Alexander A. Klimov" <alexander.klimov@icinga.com>
Date: Wed, 24 Jun 2020 15:29:58 +0200
Subject: [PATCH] entrypoint/: initialize /data

refs #2
---
 deps.Dockerfile    | 4 +++-
 entrypoint/main.go | 9 +++++++++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/deps.Dockerfile b/deps.Dockerfile
index b73af08..9ac0d57 100644
--- a/deps.Dockerfile
+++ b/deps.Dockerfile
@@ -27,6 +27,8 @@ EXPOSE 8080
 
 RUN ["chmod", "o+x", "/var/log/apache2"]
 RUN ["chown", "www-data:www-data", "/var/run/apache2"]
-RUN ["install", "-o", "www-data", "-g", "www-data", "-d", "/etc/icingaweb2"]
+RUN ["ln", "-vs", "/data/etc/icingaweb2", "/etc/icingaweb2"]
+RUN ["install", "-o", "www-data", "-g", "www-data", "-d", "/data"]
 
+VOLUME ["/data"]
 ENTRYPOINT ["/entrypoint"]
diff --git a/entrypoint/main.go b/entrypoint/main.go
index f8da5a0..9d432cd 100644
--- a/entrypoint/main.go
+++ b/entrypoint/main.go
@@ -23,6 +23,15 @@ func entrypoint() error {
 		return nil
 	}
 
+	if os.Getpid() == 1 {
+		logf("info", "Initializing /data as we're the init process")
+
+		logf("debug", `Creating "/data/etc/icingaweb2"`)
+		if errMA := os.MkdirAll("/data/etc/icingaweb2", 0750); errMA != nil {
+			return errMA
+		}
+	}
+
 	path := os.Args[1]
 	if filepath.Base(path) == path {
 		logf("info", "Looking up %#v in $PATH", path)