Rewrote entrypoint script. Now that environment variables are nativel…

…y supported, there is no need for templating the configuration file.

.gitignore

@@ -1,3 +1,3 @@
-# Jetbrains IDE local configs
-/.idea/
+.idea
+.vscode
 .DS_Store

Dockerfile

@@ -11,6 +11,6 @@ FROM ${ARCH}alpine:3.18 as container
 WORKDIR /app
 COPY --from=builder /app/src/idrac_exporter /app/bin/
 RUN apk add -U bash gettext
-COPY idrac.yml.template /etc/prometheus/
+COPY default-config.yml /etc/prometheus/idrac.yml
 COPY entrypoint.sh /app
-ENTRYPOINT /app/entrypoint.sh
+ENTRYPOINT ["/app/entrypoint.sh"]

default-config.yml

@@ -0,0 +1,17 @@
+address: 0.0.0.0
+port: 9348
+hosts:
+  default:
+    username: root
+    password: calvin
+metrics:
+  system: true
+  sensors: true
+  power: true
+  events: true
+  storage: true
+  memory: true
+  network: true
+events:
+  severity: warning
+  maxage: 7d

entrypoint.sh

@@ -1,22 +1,9 @@
 #!/bin/bash
 
-config=/etc/prometheus/idrac.yml
-
-if [[ ! -z "$IDRAC_USERNAME" ]] && [[ ! -z "$IDRAC_PASSWORD" ]]; then
-	envsubst <${config}.template > /app/config/idrac.yml
-	config=/app/config/idrac.yml
-elif [ ! -e "$config" ]; then
-	auth_file=/authconfig/$NODE_NAME
-
-	if [ ! -e "$auth_file" ]; then
-		>&2 echo "$config not found _and_ $auth_file not found."
-	else
-		# auth_file contents are in the format: user=password
-		export IDRAC_USERNAME=$(cut -f1  -d= $auth_file)
-		export IDRAC_PASSWORD=$(cut -f2- -d= $auth_file)
-		envsubst <${config}.template > /app/config/idrac.yml
-	fi
-
+auth_file="/authconfig/$NODE_NAME"
+if [ -f "$auth_file" ]; then
+	export CONFIG_DEFAULT_USERNAME=$(cut -f1  -d= $auth_file)
+	export CONFIG_DEFAULT_PASSWORD=$(cut -f2- -d= $auth_file)
 fi
 
-exec bin/idrac_exporter -config="$config"
+exec bin/idrac_exporter "$@"