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Initial commit
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Scooby Husky
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# Talos Metrics Proxy
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# Workaround for HTTP 415 errors when scraping Talos apid metrics
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# This deploys an nginx proxy that strips problematic HTTP headers
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: talos-metrics-proxy-config
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namespace: kube-system
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data:
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nginx.conf: |
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pid /tmp/nginx.pid;
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events {
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worker_connections 1024;
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}
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http {
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proxy_temp_path /tmp/proxy_temp;
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client_body_temp_path /tmp/client_temp;
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fastcgi_temp_path /tmp/fastcgi_temp;
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uwsgi_temp_path /tmp/uwsgi_temp;
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scgi_temp_path /tmp/scgi_temp;
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# Upstream Talos nodes
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upstream talos01 {
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server 172.28.101.21:50000;
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}
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upstream talos02 {
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server 172.28.101.22:50000;
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}
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upstream talos03 {
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server 172.28.101.23:50000;
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}
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upstream talos04 {
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server 172.28.101.24:50000;
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}
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# Proxy for talos01
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server {
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listen 9100;
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server_name talos01-metrics;
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location /metrics {
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proxy_pass https://talos01/metrics;
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proxy_ssl_certificate /certs/client.crt;
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proxy_ssl_certificate_key /certs/client.key;
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proxy_ssl_trusted_certificate /certs/ca.crt;
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proxy_ssl_verify on;
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proxy_http_version 1.1;
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proxy_set_header Accept "text/plain;version=0.0.4";
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proxy_set_header Connection "";
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}
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}
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# Proxy for talos02
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server {
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listen 9101;
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server_name talos02-metrics;
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location /metrics {
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proxy_pass https://talos02/metrics;
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proxy_ssl_certificate /certs/client.crt;
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proxy_ssl_certificate_key /certs/client.key;
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proxy_ssl_trusted_certificate /certs/ca.crt;
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proxy_ssl_verify on;
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proxy_http_version 1.1;
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proxy_set_header Accept "text/plain;version=0.0.4";
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proxy_set_header Connection "";
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}
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}
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# Proxy for talos03
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server {
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listen 9102;
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server_name talos03-metrics;
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location /metrics {
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proxy_pass https://talos03/metrics;
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proxy_ssl_certificate /certs/client.crt;
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proxy_ssl_certificate_key /certs/client.key;
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proxy_ssl_trusted_certificate /certs/ca.crt;
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proxy_ssl_verify on;
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proxy_http_version 1.1;
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proxy_set_header Accept "text/plain;version=0.0.4";
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proxy_set_header Connection "";
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}
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}
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# Proxy for talos04
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server {
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listen 9103;
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server_name talos04-metrics;
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location /metrics {
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proxy_pass https://talos04/metrics;
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proxy_ssl_certificate /certs/client.crt;
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proxy_ssl_certificate_key /certs/client.key;
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proxy_ssl_trusted_certificate /certs/ca.crt;
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proxy_ssl_verify on;
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proxy_http_version 1.1;
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proxy_set_header Accept "text/plain;version=0.0.4";
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proxy_set_header Connection "";
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}
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}
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}
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---
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: talos-metrics-proxy
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namespace: kube-system
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labels:
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app: talos-metrics-proxy
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spec:
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replicas: 1
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selector:
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matchLabels:
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app: talos-metrics-proxy
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template:
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metadata:
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labels:
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app: talos-metrics-proxy
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spec:
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automountServiceAccountToken: false
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containers:
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- name: nginx
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image: nginx:1.27-alpine
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securityContext:
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runAsUser: 10101
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runAsGroup: 10101
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runAsNonRoot: true
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allowPrivilegeEscalation: false
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readOnlyRootFilesystem: true
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capabilities:
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drop:
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- ALL
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seccompProfile:
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type: RuntimeDefault
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ports:
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- containerPort: 9100
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name: talos01
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- containerPort: 9101
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name: talos02
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- containerPort: 9102
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name: talos03
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- containerPort: 9103
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name: talos04
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volumeMounts:
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- name: nginx-config
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mountPath: /etc/nginx/nginx.conf
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subPath: nginx.conf
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- name: talos-certs
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mountPath: /certs
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readOnly: true
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- name: tmp
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mountPath: /tmp
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- name: cache
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mountPath: /var/cache/nginx
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resources:
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requests:
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memory: "64Mi"
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cpu: "10m"
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limits:
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memory: "128Mi"
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volumes:
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- name: nginx-config
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configMap:
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name: talos-metrics-proxy-config
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- name: talos-certs
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secret:
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secretName: talos-client-cert
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- name: tmp
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emptyDir: {}
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- name: cache
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emptyDir: {}
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---
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apiVersion: v1
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kind: Service
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metadata:
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name: talos-metrics-proxy
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namespace: kube-system
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labels:
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app: talos-metrics-proxy
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spec:
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type: ClusterIP
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ports:
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- port: 9100
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targetPort: 9100
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protocol: TCP
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name: talos01
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- port: 9101
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targetPort: 9101
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protocol: TCP
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name: talos02
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- port: 9102
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targetPort: 9102
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protocol: TCP
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name: talos03
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- port: 9103
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targetPort: 9103
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protocol: TCP
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name: talos04
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selector:
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app: talos-metrics-proxy
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---
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apiVersion: monitoring.coreos.com/v1
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kind: ServiceMonitor
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metadata:
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name: talos-metrics
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namespace: kube-system
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labels:
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app: talos-metrics-proxy
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spec:
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endpoints:
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- port: talos01
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path: /metrics
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interval: 30s
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- port: talos02
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path: /metrics
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interval: 30s
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- port: talos03
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path: /metrics
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interval: 30s
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- port: talos04
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path: /metrics
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interval: 30s
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selector:
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matchLabels:
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app: talos-metrics-proxy
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namespaceSelector:
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matchNames:
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- kube-system
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