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istio5

istio - Access logs 설정 1. 개요 - istio ingress gateway의 access log를 stdout으로 출력하도록 설정 2. Environments - istio 1.3 - Kubernetes 1.16.15 3. 설정 - istio configmap의 accessLogFile 항목을 "/dev/stdout"으로 지정하고, istio ingressgateway를 재 기동 한다. $ k edit configmap istio -n istio-system apiVersion: v1 data: mesh: |- .. # Set accessLogFile to empty string to disable access log. accessLogFile: "/dev/stdout" # Set accessLogEncoding to JSO.. 2021. 10. 8.
Istio - Virtual service config 2020.04.27 1. 참고 사이트 - Istio Traffic management (https://bcho.tistory.com/1367) - https://istio.io/docs/ops/best-practices/traffic-management/ - https://istio.io/docs/ops/best-practices/traffic-management/#split-virtual-services 2. 등록 고려 대상 - 대상 ✓ kubernetes-dashboard ✓ weave scope ✓ istio tool : kiali, jaeger, prometheus, grafana - 관련 서비스 $ k get svc grafana jaeger-query kiali prometheus -n ist.. 2021. 9. 23.
Istio 1.5 구성 2020.04.24 1. 개요 - Environments: Google Compute Engine, CentOS 7.7, Kubernetes 1.15 - Istio 1.5 has been tested with these Kubernetes releases: 1.14, 1.15, 1.16. - The Helm installation approach will be deprecated in the future. - 참고 사이트 https://istio.io/docs/setup/getting-started/ https://istio.io/docs/setup/install/istioctl/ #1 - 마이크로 서비스와 서비스 매쉬 (https://bcho.tistory.com/1293?category=731548).. 2021. 9. 23.
Cert-manager with LetsEncrypt (HTTP challenge) 2021.03.23, 2020.07.13 Cert-manager with LetsEncrypt (DNS challenge): https://1week.tistory.com/2 Cert-manager with LetsEncrypt (HTTP challenge) 1. 개요 - Cert-manager is a native Kubernetes certificate management controller. It can help with issuing certificates from a variety of sources, such as Let’s Encrypt, HashiCorp Vault, Venafi, a simple signing key pair, or self signed. Cert-manager can b.. 2021. 9. 23.
istio - Envoy CPU 과다 점유 2020.12.01 a. Problem: Worker node - CPU 과다 점유로 성능 저하 현상 발생 - Environments Kubernetes 1.16.15, istio 1.3 - 영향도 Rook ceph의 rook-ceph-mon-o POD가 iap04 노드에서 동작될 경우 응답 속도가 느려서 quorum에서 제외 되면서 fail-over 동작 [root@iap04 ~]# top top - 10:46:25 up 6 days, 17:58, 1 user, load average: 73.37, 77.52, 79.46 Tasks: 403 total, 19 running, 382 sleeping, 0 stopped, 2 zombie %Cpu(s): 90.1 us, 8.2 sy, 0.0 ni, 0.0 .. 2021. 9. 15.

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