Graylog: rolling config update (#1019)

Ensure graylog will be smoothly deployed when docker config content
changes.

Related Issue(s):
* #984

Author: YuryHrytsuk

services/graylog/.gitignore

@@ -0,0 +1 @@
+docker-compose.yml

services/graylog/Makefile

@@ -48,6 +48,9 @@ up-local: .init .env ${TEMP_COMPOSE}-local  ## Deploys graylog stack for local c
 
 # Helpers -------------------------------------------------
 
+docker-compose.yml: docker-compose.yml.j2 .venv .env
+	@$(call jinja, $<, .env, $@)
+
 .PHONY: ${TEMP_COMPOSE}
 ${TEMP_COMPOSE}: docker-compose.yml ## Deploys stack
 # Hacky workaround introduced by DK2021 via https://github.com/docker/compose/issues/7771
@@ -87,6 +90,8 @@ ${TEMP_COMPOSE}-aws: docker-compose.yml docker-compose.aws.yml
 	export GRAYLOG_ROOT_PASSWORD_SHA2;\
 	GRAYLOG_PASSWORD_SECRET=$$(tr -dc A-Za-z0-9 </dev/urandom | head -c 16 ; echo '');\
 	export GRAYLOG_PASSWORD_SECRET;\
+	STACK_NAME=$(STACK_NAME); \
+	export STACK_NAME; \
 	set +o allexport; \
 	envsubst < $< > $@
 

services/graylog/docker-compose.yml renamed to services/graylog/docker-compose.yml.j2

@@ -110,4 +110,5 @@ networks:
 
 configs:
   graylog_config:
+    name: ${STACK_NAME}_graylog_config_{{ "./data/contentpacks/osparc-custom-content-pack-v2.json" | sha256file | substring(0,10) }}
     file: ./data/contentpacks/osparc-custom-content-pack-v2.json

services/graylog/template.env

@@ -1,3 +1,4 @@
+STACK_NAME=${STACK_NAME}
 GRAYLOG_PASSWORD_SECRET=${GRAYLOG_PASSWORD_SECRET}
 GRAYLOG_ROOT_PASSWORD_SHA2=${GRAYLOG_ROOT_PASSWORD_SHA2}
 MONITORING_DOMAIN=${MONITORING_DOMAIN}