don't pass empty vars, add config

Author: curusarn

templates/daemonset.yaml

@@ -36,9 +36,11 @@ spec:
           privileged: false
         env:
         {{- range $key, $value := .Values.collector.env }}
+        {{- if $value }}
         - name: {{ $key }}
           value: {{ $value | quote }}
         {{- end }}
+        {{- end }}
         # System environment variables from Kubernetes downward API
         - name: HOSTNAME
           valueFrom:
@@ -109,9 +111,11 @@ spec:
           {{- toYaml .Values.securityContext.beyla | nindent 10 }}
         env:
         {{- range $key, $value := .Values.beyla.env }}
+        {{- if $value }}
         - name: {{ $key }}
           value: {{ $value | quote }}
         {{- end }}
+        {{- end }}
         # System environment variables from Kubernetes downward API
         - name: HOSTNAME
           valueFrom:

values.yaml

@@ -66,6 +66,7 @@ beyla:
     OTEL_EXPORTER_OTLP_PROTOCOL: "http/protobuf"
     BEYLA_DISCOVERY_POLL_INTERVAL: "30s"
     BEYLA_MIN_PROCESS_AGE: "20s"
+    BEYLA_CONFIG_PATH: "/etc/beyla/beyla.yaml"
     BEYLA_OPEN_PORT: ""         # Set to "1-32767" to skip ephemeral ports, set to "1-65535" to enable all ports
     BEYLA_PROFILE_PORT: ""      # Set to 6060 for profiling
     BEYLA_LOG_LEVEL: ""         # Options: debug, info, warn, error