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@kleimkuhler
Last active October 8, 2020 18:48
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kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1
metadata:
name: prometheus
rules:
- apiGroups: [""]
resources: ["nodes", "nodes/proxy", "pods"]
verbs: ["get", "list", "watch"]
---
kind: ClusterRoleBinding
apiVersion: rbac.authorization.k8s.io/v1
metadata:
name: prometheus
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: ClusterRole
name: prometheus
subjects:
- kind: ServiceAccount
name: prometheus
namespace: default
---
kind: ServiceAccount
apiVersion: v1
metadata:
name: prometheus
namespace: default
---
kind: ConfigMap
apiVersion: v1
metadata:
name: prometheus-config
namespace: default
data:
prometheus.yml: |-
global:
evaluation_interval: 10s
scrape_interval: 10s
scrape_timeout: 10s
rule_files:
- /etc/prometheus/*_rules.yml
- /etc/prometheus/*_rules.yaml
remote_write:
- url: http://cortex-service.default.svc.cluster.local:9009/api/prom/push
scrape_configs:
- job_name: 'prometheus'
static_configs:
- targets: ['localhost:9090']
- job_name: 'grafana'
kubernetes_sd_configs:
- role: pod
namespaces:
names: ['linkerd']
relabel_configs:
- source_labels:
- __meta_kubernetes_pod_container_name
action: keep
regex: ^grafana$
# Required for: https://grafana.com/grafana/dashboards/315
- job_name: 'kubernetes-nodes-cadvisor'
scheme: https
tls_config:
ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
insecure_skip_verify: true
bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
kubernetes_sd_configs:
- role: node
relabel_configs:
- action: labelmap
regex: __meta_kubernetes_node_label_(.+)
- target_label: __address__
replacement: kubernetes.default.svc:443
- source_labels: [__meta_kubernetes_node_name]
regex: (.+)
target_label: __metrics_path__
replacement: /api/v1/nodes/$1/proxy/metrics/cadvisor
metric_relabel_configs:
- source_labels: [__name__]
regex: '(container|machine)_(cpu|memory|network|fs)_(.+)'
action: keep
- source_labels: [__name__]
regex: 'container_memory_failures_total' # unneeded large metric
action: drop
- job_name: 'linkerd-controller'
kubernetes_sd_configs:
- role: pod
namespaces:
names: ['linkerd']
relabel_configs:
- source_labels:
- __meta_kubernetes_pod_label_linkerd_io_control_plane_component
- __meta_kubernetes_pod_container_port_name
action: keep
regex: (.*);admin-http$
- source_labels: [__meta_kubernetes_pod_container_name]
action: replace
target_label: component
- job_name: 'linkerd-service-mirror'
kubernetes_sd_configs:
- role: pod
relabel_configs:
- source_labels:
- __meta_kubernetes_pod_label_linkerd_io_control_plane_component
- __meta_kubernetes_pod_container_port_name
action: keep
regex: linkerd-service-mirror;admin-http$
- source_labels: [__meta_kubernetes_pod_container_name]
action: replace
target_label: component
- job_name: 'linkerd-proxy'
kubernetes_sd_configs:
- role: pod
relabel_configs:
- source_labels:
- __meta_kubernetes_pod_container_name
- __meta_kubernetes_pod_container_port_name
- __meta_kubernetes_pod_label_linkerd_io_control_plane_ns
action: keep
regex: ^linkerd-proxy;linkerd-admin;linkerd$
- source_labels: [__meta_kubernetes_namespace]
action: replace
target_label: namespace
- source_labels: [__meta_kubernetes_pod_name]
action: replace
target_label: pod
# special case k8s' "job" label, to not interfere with prometheus' "job"
# label
# __meta_kubernetes_pod_label_linkerd_io_proxy_job=foo =>
# k8s_job=foo
- source_labels: [__meta_kubernetes_pod_label_linkerd_io_proxy_job]
action: replace
target_label: k8s_job
# drop __meta_kubernetes_pod_label_linkerd_io_proxy_job
- action: labeldrop
regex: __meta_kubernetes_pod_label_linkerd_io_proxy_job
# __meta_kubernetes_pod_label_linkerd_io_proxy_deployment=foo =>
# deployment=foo
- action: labelmap
regex: __meta_kubernetes_pod_label_linkerd_io_proxy_(.+)
# drop all labels that we just made copies of in the previous labelmap
- action: labeldrop
regex: __meta_kubernetes_pod_label_linkerd_io_proxy_(.+)
# __meta_kubernetes_pod_label_linkerd_io_foo=bar =>
# foo=bar
- action: labelmap
regex: __meta_kubernetes_pod_label_linkerd_io_(.+)
# Copy all pod labels to tmp labels
- action: labelmap
regex: __meta_kubernetes_pod_label_(.+)
replacement: __tmp_pod_label_$1
# Take `linkerd_io_` prefixed labels and copy them without the prefix
- action: labelmap
regex: __tmp_pod_label_linkerd_io_(.+)
replacement: __tmp_pod_label_$1
# Drop the `linkerd_io_` originals
- action: labeldrop
regex: __tmp_pod_label_linkerd_io_(.+)
# Copy tmp labels into real labels
- action: labelmap
regex: __tmp_pod_label_(.+)
---
kind: Service
apiVersion: v1
metadata:
name: prometheus
namespace: default
spec:
type: ClusterIP
selector:
app: prometheus
ports:
- name: admin-http
port: 9090
targetPort: 9090
---
apiVersion: apps/v1
kind: Deployment
metadata:
name: prometheus
namespace: default
spec:
replicas: 1
selector:
matchLabels:
app: prometheus
template:
metadata:
labels:
app: prometheus
spec:
nodeSelector:
beta.kubernetes.io/os: linux
securityContext:
fsGroup: 65534
containers:
- args:
- --config.file=/etc/prometheus/prometheus.yml
- --log.level=info
- --storage.tsdb.path=/data
- --storage.tsdb.retention.time=6h
image: prom/prometheus:v2.19.3
imagePullPolicy: IfNotPresent
livenessProbe:
httpGet:
path: /-/healthy
port: 9090
initialDelaySeconds: 30
timeoutSeconds: 30
name: prometheus
ports:
- containerPort: 9090
name: admin-http
readinessProbe:
httpGet:
path: /-/ready
port: 9090
initialDelaySeconds: 30
timeoutSeconds: 30
securityContext:
runAsNonRoot: true
runAsUser: 65534
runAsGroup: 65534
volumeMounts:
- mountPath: /data
name: data
- mountPath: /etc/prometheus/prometheus.yml
name: prometheus-config
subPath: prometheus.yml
readOnly: true
serviceAccountName: prometheus
volumes:
- name: data
emptyDir: {}
- configMap:
name: prometheus-config
name: prometheus-config
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