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Flagger Install on Alibaba ServiceMesh
This guide walks you through setting up Flagger on Alibaba ServiceMesh.
Prerequisites
Variables declaration
$ACK_CONFIG: the kubeconfig file path of ACK, which be treated as$HOME/.kube/configin the rest of guide.$MESH_CONFIG: the kubeconfig file path of ASM.
Install Prometheus
Install Prometheus:
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kubectl apply -f $ISTIO_RELEASE/samples/addons/prometheus.yaml
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it' same with the below cmd:
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kubectl --kubeconfig "$ACK_CONFIG" apply -f $ISTIO_RELEASE/samples/addons/prometheus.yaml
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Append the below configs to
scrape_configs in prometheus configmap, to support telemetry:1
scrape_configs:
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# Mixer scrapping. Defaults to Prometheus and mixer on same namespace.
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- job_name: 'istio-mesh'
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kubernetes_sd_configs:
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- role: endpoints
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namespaces:
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names:
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- istio-system
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relabel_configs:
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- source_labels: [__meta_kubernetes_service_name, __meta_kubernetes_endpoint_port_name]
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action: keep
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regex: istio-telemetry;prometheus
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# Scrape config for envoy stats
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- job_name: 'envoy-stats'
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metrics_path: /stats/prometheus
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kubernetes_sd_configs:
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- role: pod
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relabel_configs:
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- source_labels: [__meta_kubernetes_pod_container_port_name]
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action: keep
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regex: '.*-envoy-prom'
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- source_labels: [__address__, __meta_kubernetes_pod_annotation_prometheus_io_port]
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action: replace
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regex: ([^:]+)(?::\d+)?;(\d+)
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replacement: $1:15090
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target_label: __address__
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- action: labeldrop
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regex: __meta_kubernetes_pod_label_(.+)
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- source_labels: [__meta_kubernetes_namespace]
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action: replace
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target_label: namespace
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- source_labels: [__meta_kubernetes_pod_name]
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action: replace
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target_label: pod_name
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- job_name: 'istio-policy'
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kubernetes_sd_configs:
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- role: endpoints
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namespaces:
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names:
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- istio-system
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relabel_configs:
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- source_labels: [__meta_kubernetes_service_name, __meta_kubernetes_endpoint_port_name]
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action: keep
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regex: istio-policy;http-policy-monitoring
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- job_name: 'istio-telemetry'
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kubernetes_sd_configs:
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- role: endpoints
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namespaces:
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names:
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- istio-system
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relabel_configs:
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- source_labels: [__meta_kubernetes_service_name, __meta_kubernetes_endpoint_port_name]
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action: keep
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regex: istio-telemetry;http-monitoring
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- job_name: 'pilot'
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kubernetes_sd_configs:
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- role: endpoints
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namespaces:
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names:
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- istio-system
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relabel_configs:
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- source_labels: [__meta_kubernetes_service_name, __meta_kubernetes_endpoint_port_name]
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action: keep
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regex: istiod;http-monitoring
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- source_labels: [__meta_kubernetes_service_label_app]
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target_label: app
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- job_name: 'sidecar-injector'
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kubernetes_sd_configs:
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- role: endpoints
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namespaces:
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names:
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- istio-system
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relabel_configs:
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- source_labels: [__meta_kubernetes_service_name, __meta_kubernetes_endpoint_port_name]
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action: keep
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regex: istio-sidecar-injector;http-monitoring
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Install Flagger
Add Flagger Helm repository:
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helm repo add flagger https://flagger.app
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helm repo update
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Install Flagger's Canary CRD:
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kubectl apply -f $FLAGGER_SRC/artifacts/flagger/crd.yaml
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Deploy Flagger for Alibaba ServiceMesh:
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cp $MESH_CONFIG kubeconfig
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kubectl -n istio-system create secret generic istio-kubeconfig --from-file kubeconfig
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kubectl -n istio-system label secret istio-kubeconfig istio/multiCluster=true
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helm upgrade -i flagger flagger/flagger \
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--namespace=istio-system \
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--set crd.create=false \
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--set meshProvider=istio \
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--set metricsServer=http://prometheus:9090 \
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--set istio.kubeconfig.secretName=istio-kubeconfig \
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--set istio.kubeconfig.key=kubeconfig
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Last modified 9mo ago
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