What did you do?
i upgraded prometheus on GKE via prometheus-operator from version 3.6.0 to 3.7.0
What did you expect to see?
prometheus starts up successfully
What did you see instead? Under which circumstances?
prometheus fails to start with the error parsing YAML file /etc/prometheus/config_out/prometheus.env.yaml: \"$1\" is invalid 'replacement' for labelmap action
System information
Kuberentes 1.32
Prometheus version
Prometheus configuration file
- job_name: podMonitor/com-dev-kafka-cluster/entity-operator-resources-metrics/0
honor_labels: false
kubernetes_sd_configs:
- role: pod
namespaces:
names:
- com-dev-kafka-cluster
metrics_path: /metrics
relabel_configs:
- source_labels:
- job
target_label: __tmp_prometheus_job_name
- action: drop
source_labels:
- __meta_kubernetes_pod_phase
regex: (Failed|Succeeded)
- action: keep
source_labels:
- __meta_kubernetes_pod_label_strimzi_io_component_type
- __meta_kubernetes_pod_labelpresent_strimzi_io_component_type
regex: (entity-operator);true
- action: keep
source_labels:
- __meta_kubernetes_pod_container_port_name
regex: healthcheck
- source_labels:
- __meta_kubernetes_namespace
target_label: namespace
- source_labels:
- __meta_kubernetes_pod_container_name
target_label: container
- source_labels:
- __meta_kubernetes_pod_name
target_label: pod
- target_label: job
replacement: com-dev-kafka-cluster/entity-operator-resources-metrics
- target_label: endpoint
replacement: healthcheck
- regex: __meta_kubernetes_pod_label_(strimzi_io_.+)
action: labelmap
- source_labels:
- __meta_kubernetes_namespace
separator: ;
target_label: namespace
regex: (.*)
replacement: $1
action: replaceAlertmanager version
Alertmanager configuration file
Logs
{
"time": "2025-10-20T07:08:18.575139903Z",
"level": "ERROR",
"source": "main.go:642",
"msg": "Error loading config (--config.file=/etc/prometheus/config_out/prometheus.env.yaml)",
"file": "/etc/prometheus/config_out/prometheus.env.yaml",
"err": "parsing YAML file /etc/prometheus/config_out/prometheus.env.yaml: \"$1\" is invalid 'replacement' for labelmap action"
}
What did you do?
i upgraded prometheus on GKE via prometheus-operator from version 3.6.0 to 3.7.0
What did you expect to see?
prometheus starts up successfully
What did you see instead? Under which circumstances?
prometheus fails to start with the error
parsing YAML file /etc/prometheus/config_out/prometheus.env.yaml: \"$1\" is invalid 'replacement' for labelmap actionSystem information
Kuberentes 1.32
Prometheus version
Prometheus configuration file
Alertmanager version
Alertmanager configuration file
Logs