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* added icons * added icons * http upgrade * add grafana dashboard * updated diagram
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,70 @@ | ||
| apiVersion: apps/v1 | ||
| kind: Deployment | ||
| metadata: | ||
| name: coffee | ||
| spec: | ||
| replicas: 3 | ||
| selector: | ||
| matchLabels: | ||
| app: coffee | ||
| template: | ||
| metadata: | ||
| labels: | ||
| app: coffee | ||
| spec: | ||
| containers: | ||
| - name: coffee | ||
| image: nginxinc/ingress-demo # upgraded Cafe Docker image | ||
| ports: | ||
| - containerPort: 80 | ||
| --- | ||
| apiVersion: v1 | ||
| kind: Service | ||
| metadata: | ||
| name: coffee-svc | ||
| spec: | ||
| type: ClusterIP | ||
| clusterIP: None | ||
| ports: | ||
| - port: 80 | ||
| targetPort: 80 | ||
| protocol: TCP | ||
| name: http | ||
| selector: | ||
| app: coffee | ||
| --- | ||
| apiVersion: apps/v1 | ||
| kind: Deployment | ||
| metadata: | ||
| name: tea | ||
| spec: | ||
| replicas: 3 | ||
| selector: | ||
| matchLabels: | ||
| app: tea | ||
| template: | ||
| metadata: | ||
| labels: | ||
| app: tea | ||
| spec: | ||
| containers: | ||
| - name: tea | ||
| image: nginxinc/ingress-demo | ||
| ports: | ||
| - containerPort: 80 | ||
| --- | ||
| apiVersion: v1 | ||
| kind: Service | ||
| metadata: | ||
| name: tea-svc | ||
| labels: | ||
| spec: | ||
| type: ClusterIP | ||
| clusterIP: None | ||
| ports: | ||
| - port: 80 | ||
| targetPort: 80 | ||
| protocol: TCP | ||
| name: http | ||
| selector: | ||
| app: tea |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,129 @@ | ||
| # NginxK8sLB HTTP configuration, for L7 load balancing | ||
| # Chris Akker, Apr 2023 | ||
| # HTTP Proxy and load balancing | ||
| # 2 k8s Clusters LB with http split clients | ||
| # Nginx Kubernetes Loadbalancer | ||
| # Upstream servers managed by NKL Controller | ||
| # Nginx Key Value store for Split ratios | ||
| # | ||
| #### clusters.conf | ||
|
|
||
| # Define Key Value store, backup state file, timeout, and enable sync | ||
|
|
||
| keyval_zone zone=split:1m state=/var/lib/nginx/state/split.keyval timeout=30d sync; | ||
| keyval $host $split_level zone=split; | ||
|
|
||
| # Main Nginx Server Block for cafe.example.com, with TLS | ||
|
|
||
| server { | ||
| listen 443 ssl; | ||
| status_zone https://cafe.example.com; | ||
| server_name cafe.example.com; | ||
|
|
||
| ssl_certificate /etc/ssl/nginx/default.crt; | ||
| ssl_certificate_key /etc/ssl/nginx/default.key; | ||
|
|
||
| location / { | ||
| status_zone /; | ||
|
|
||
| proxy_set_header Host $host; | ||
| proxy_http_version 1.1; | ||
| proxy_set_header "Connection" ""; | ||
| proxy_pass https://$upstream; | ||
|
|
||
| } | ||
|
|
||
| } | ||
|
|
||
| # Cluster1 upstreams | ||
|
|
||
| upstream cluster1-https { | ||
| zone cluster1-https 256k; | ||
| least_time last_byte; | ||
| server 10.1.1.10:31317; | ||
| server 10.1.1.8:31317; | ||
| keepalive 16; | ||
| #servers managed by NKL | ||
| #state /var/lib/nginx/state/cluster1-https.state; | ||
| } | ||
|
|
||
| # Cluster2 upstreams | ||
|
|
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| upstream cluster2-https { | ||
| zone cluster2-https 256k; | ||
| least_time last_byte; | ||
| server 10.1.1.11:31390; | ||
| server 10.1.1.12:31390; | ||
| #servers managed by NKL | ||
| #state /var/lib/nginx/state/cluster2-https.state; | ||
| } | ||
|
|
||
| # HTTP Split Clients Configuration for Cluster1/Cluster2 ratios | ||
|
|
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| split_clients $request_id $split0 { | ||
| * cluster2-https; | ||
| } | ||
|
|
||
| split_clients $request_id $split1 { | ||
| 1.0% cluster1-https; | ||
| * cluster2-https; | ||
| } | ||
|
|
||
| split_clients $request_id $split5 { | ||
| 5.0% cluster1-https; | ||
| * cluster2-https; | ||
| } | ||
|
|
||
| split_clients $request_id $split10 { | ||
| 10% cluster1-https; | ||
| * cluster2-https; | ||
| } | ||
|
|
||
| split_clients $request_id $split25 { | ||
| 25% cluster1-https; | ||
| * cluster2-https; | ||
| } | ||
|
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| split_clients $request_id $split50 { | ||
| 50% cluster1-https; | ||
| * cluster2-https; | ||
| } | ||
|
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| split_clients $request_id $split75 { | ||
| 75% cluster1-https; | ||
| * cluster2-https; | ||
| } | ||
|
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||
| split_clients $request_id $split90 { | ||
| 90% cluster1-https; | ||
| * cluster2-https; | ||
| } | ||
|
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||
| split_clients $request_id $split95 { | ||
| 95% cluster1-https; | ||
| * cluster2-https; | ||
| } | ||
|
|
||
| split_clients $request_id $split99 { | ||
| 99% cluster1-https; | ||
| * cluster2-https; | ||
| } | ||
|
|
||
| split_clients $request_id $split100 { | ||
| * cluster1-https; | ||
| } | ||
|
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||
| map $split_level $upstream { | ||
| 0 $split0; | ||
| 1.0 $split1; | ||
| 5.0 $split5; | ||
| 10 $split10; | ||
| 25 $split25; | ||
| 50 $split50; | ||
| 75 $split75; | ||
| 90 $split90; | ||
| 95 $split95; | ||
| 99 $split99; | ||
| 100 $split100; | ||
| default $split50; | ||
| } |
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