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January 31, 2024 19:34
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prometheus-with-file-arg
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# Copyright 2022 Google LLC | |
# | |
# Licensed under the Apache License, Version 2.0 (the "License"); | |
# you may not use this file except in compliance with the License. | |
# You may obtain a copy of the License at | |
# | |
# https://www.apache.org/licenses/LICENSE-2.0 | |
# | |
# Unless required by applicable law or agreed to in writing, software | |
# distributed under the License is distributed on an "AS IS" BASIS, | |
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
# See the License for the specific language governing permissions and | |
# limitations under the License. | |
apiVersion: rbac.authorization.k8s.io/v1 | |
kind: ClusterRole | |
metadata: | |
name: gmp-test:prometheus-test | |
rules: | |
- apiGroups: [""] | |
resources: | |
- pods | |
verbs: ["get", "list", "watch"] | |
--- | |
apiVersion: rbac.authorization.k8s.io/v1 | |
kind: ClusterRoleBinding | |
metadata: | |
name: gmp-test:prometheus-test | |
roleRef: | |
apiGroup: rbac.authorization.k8s.io | |
kind: ClusterRole | |
name: gmp-test:prometheus-test | |
subjects: | |
- kind: ServiceAccount | |
namespace: gmp-test | |
name: default | |
--- | |
apiVersion: v1 | |
kind: Service | |
metadata: | |
namespace: gmp-test | |
name: prometheus-test | |
labels: | |
prometheus: test | |
spec: | |
type: ClusterIP | |
selector: | |
app: prometheus | |
prometheus: test | |
ports: | |
- name: web | |
port: 9090 | |
targetPort: web | |
--- | |
apiVersion: apps/v1 | |
kind: StatefulSet | |
metadata: | |
namespace: gmp-test | |
name: prometheus-test | |
annotations: | |
# The emptyDir for the storage and config directories prevents cluster | |
# autoscaling unless this annotation is set. See | |
# https://github.com/kubernetes/autoscaler/blob/master/cluster-autoscaler/FAQ.md#what-types-of-pods-can-prevent-ca-from-removing-a-node | |
# for details. | |
cluster-autoscaler.kubernetes.io/safe-to-evict: "true" | |
labels: | |
prometheus: test | |
spec: | |
replicas: 1 | |
selector: | |
matchLabels: | |
app: prometheus | |
prometheus: test | |
serviceName: prometheus-test | |
template: | |
metadata: | |
labels: | |
app: prometheus | |
prometheus: test | |
spec: | |
automountServiceAccountToken: true | |
affinity: | |
nodeAffinity: | |
requiredDuringSchedulingIgnoredDuringExecution: | |
nodeSelectorTerms: | |
- matchExpressions: | |
- key: kubernetes.io/arch | |
operator: In | |
values: | |
- arm64 | |
- amd64 | |
- key: kubernetes.io/os | |
operator: In | |
values: | |
- linux | |
initContainers: | |
- name: config-init | |
image: gke.gcr.io/gke-distroless/bash:20220419 | |
command: ['/bin/bash', '-c', 'touch /prometheus/config_out/config.yaml'] | |
volumeMounts: | |
- name: config-out | |
mountPath: /prometheus/config_out | |
securityContext: | |
allowPrivilegeEscalation: false | |
capabilities: | |
drop: | |
- all | |
privileged: false | |
containers: | |
- name: prometheus | |
image: gke.gcr.io/prometheus-engine/prometheus:v2.41.0-gmp.5-gke.0 | |
args: | |
- "@/prometheus/args.txt" | |
ports: | |
- name: web | |
containerPort: 9090 | |
readinessProbe: | |
httpGet: | |
path: /-/ready | |
port: web | |
scheme: HTTP | |
resources: | |
requests: | |
memory: 400Mi | |
volumeMounts: | |
- name: config-out | |
mountPath: /prometheus/config_out | |
readOnly: true | |
- name: prometheus-db | |
mountPath: /prometheus/data | |
- name: flags | |
mountPath: /prometheus/ | |
- name: config-reloader | |
image: gke.gcr.io/prometheus-engine/config-reloader:v0.8.0-gke.4 | |
args: | |
- --config-file=/prometheus/config/config.yaml | |
- --config-file-output=/prometheus/config_out/config.yaml | |
- --reload-url=http://localhost:9090/-/reload | |
- --ready-url=http://localhost:9090/-/ready | |
- --listen-address=:19091 | |
ports: | |
- name: reloader-web | |
containerPort: 8080 | |
resources: | |
limits: | |
memory: 50Mi | |
requests: | |
cpu: 100m | |
memory: 50Mi | |
volumeMounts: | |
- name: config | |
mountPath: /prometheus/config | |
- name: config-out | |
mountPath: /prometheus/config_out | |
terminationGracePeriodSeconds: 600 | |
volumes: | |
- name: prometheus-db | |
emptyDir: {} | |
- name: config | |
configMap: | |
name: prometheus-test | |
defaultMode: 420 | |
- name: config-out | |
emptyDir: {} | |
- name: flags | |
configMap: | |
name: prometheus-flags | |
--- | |
apiVersion: v1 | |
kind: ConfigMap | |
metadata: | |
namespace: gmp-test | |
name: prometheus-test | |
labels: | |
prometheus: test | |
data: | |
config.yaml: | | |
global: | |
scrape_interval: 30s | |
scrape_configs: | |
# Let Prometheus scrape itself. | |
- job_name: prometheus | |
static_configs: | |
- targets: ['localhost:9090'] | |
# Scrape pods with label app=prom-example across all namespaces | |
# on the port named 'metrics'. | |
- job_name: prom-example | |
kubernetes_sd_configs: | |
- role: pod | |
relabel_configs: | |
- source_labels: [__meta_kubernetes_pod_label_app] | |
regex: prom-example | |
action: keep | |
- source_labels: [__meta_kubernetes_namespace] | |
target_label: namespace | |
- source_labels: [__meta_kubernetes_pod_name, __meta_kubernetes_pod_container_port_name] | |
regex: (.+);(.+) | |
target_label: instance | |
replacement: $1:$2 | |
action: replace | |
- source_labels: [__meta_kubernetes_pod_container_port_name] | |
regex: metrics | |
action: keep | |
--- | |
apiVersion: v1 | |
kind: ConfigMap | |
metadata: | |
namespace: gmp-test | |
name: prometheus-flags | |
data: | |
args.txt: | | |
--config.file=/prometheus/config_out/config.yaml | |
--storage.tsdb.path=/prometheus/data | |
--storage.tsdb.retention.time=24h | |
--web.enable-lifecycle | |
--storage.tsdb.no-lockfile | |
--web.route-prefix=/ | |
--export.label.cluster=foo | |
--export.match={__name__!="prometheus_target_metadata_cache_bytes"} |
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