集成 Grafana Agent 数据
创建时间：2024-07-11 最近修改时间：2024-08-23
#1. 数据流
#2. 配置 Grafana Agent
#2.1 Grafana Agent
在 Grafana Agent 文档 (opens new window)中可了解相关背景知识。 如果你的环境中没有 Grafana Agent，可用如下步骤部署 Grafana Agent：
mkdir -p /etc/apt/keyrings/
wget -q -O - https://apt.grafana.com/gpg.key | gpg --dearmor | sudo tee /etc/apt/keyrings/grafana.gpg > /dev/null
echo "deb [signed-by=/etc/apt/keyrings/grafana.gpg] https://apt.grafana.com stable main" | sudo tee /etc/apt/sources.list.d/grafana.list
apt-get update
apt-get -y install grafana-agent
cat << EOF > /etc/grafana-agent.yaml
server:
log_level: warn
metrics:
global:
scrape_interval: 1m
remote_write:
- url: http://127.0.0.1:38086/api/v1/prometheus
wal_directory: '/var/lib/grafana-agent'
integrations:
agent:
enabled: true
node_exporter:
enabled: true
relabel_configs:
- source_labels: [__address__]
regex: (.*)
target_label: instance
replacement: \$1
EOF
DEFAULT_INTERFACE=$(ip route | grep default | awk '{print $5}')
DEFAULT_IP=$(ip -4 addr show $DEFAULT_INTERFACE | grep -oP '(?<=inet\s)\d+(\.\d+){3}')
sed -i "s|127.0.0.1|$DEFAULT_IP|g" /etc/sysconfig/grafana-agent
systemctl start grafana-agent
systemctl enable grafana-agent
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wget -q -O gpg.key https://rpm.grafana.com/gpg.key
rpm --import gpg.key
cat << EOF > /etc/yum.repos.d/grafana.repo
[grafana]
name=grafana
baseurl=https://rpm.grafana.com
repo_gpgcheck=1
enabled=1
gpgcheck=1
gpgkey=https://rpm.grafana.com/gpg.key
sslverify=1
sslcacert=/etc/pki/tls/certs/ca-bundle.crt
EOF
yum -y install grafana-agent
cat << EOF > /etc/grafana-agent.yaml
server:
log_level: warn
metrics:
global:
scrape_interval: 1m
remote_write:
- url: http://127.0.0.1:38086/api/v1/prometheus
wal_directory: '/var/lib/grafana-agent'
integrations:
agent:
enabled: true
node_exporter:
enabled: true
relabel_configs:
- source_labels: [__address__]
regex: (.*)
target_label: instance
replacement: \$1
EOF
DEFAULT_INTERFACE=$(ip route | grep default | awk '{print $5}')
DEFAULT_IP=$(ip -4 addr show $DEFAULT_INTERFACE | grep -oP '(?<=inet\s)\d+(\.\d+){3}')
sed -i "s|127.0.0.1|$DEFAULT_IP|g" /etc/sysconfig/grafana-agent
systemctl start grafana-agent
systemctl enable grafana-agent
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helm repo add prometheus-community https://prometheus-community.github.io/helm-charts
helm repo update
cat << EOF > kube-state-metrics-values-custom.yaml
selfMonitor:
enabled: true
EOF
helm install kube-state-metrics prometheus-community/kube-state-metrics \
--namespace grafana-agent \
--create-namespace \
-f kube-state-metrics-values-custom.yaml
helm repo add grafana https://grafana.github.io/helm-charts
helm repo update
cat << EOF > grafana-agent-values-custom.yaml
agent:
# -- Address to listen for traffic on. 0.0.0.0 exposes the UI to other
# containers.
# -- Address to listen for traffic on. 0.0.0.0 exposes the UI to other
# containers.
listenAddr: \$(HOSTIP)
# -- Port to listen for traffic on.
listenPort: 9100
# -- Base path where the UI is exposed.
uiPathPrefix: /
# -- Enables sending Grafana Labs anonymous usage stats to help improve Grafana
# Agent.
enableReporting: true
# -- Extra environment variables to pass to the agent container.
extraEnv:
- name: HOSTIP
valueFrom:
fieldRef:
fieldPath: status.hostIP
mode: 'static'
configMap:
# -- Create a new ConfigMap for the config file.
create: true
content: |
server:
log_level: info
log_format: json
metrics:
wal_directory: /tmp/wal
global:
remote_write:
- url: http://deepflow-agent.deepflow.svc.cluster.local/api/v1/prometheus
configs:
- name: deepflow
scrape_configs:
- bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
honor_labels: true
honor_timestamps: false
job_name: deepflow/kube-state-metrics/0
kubernetes_sd_configs:
- namespaces:
names:
- {{ $.Release.Namespace }}
role: endpoints
metric_relabel_configs:
- action: drop
regex: kube_endpoint_address_not_ready|kube_endpoint_address_available
source_labels:
- __name__
relabel_configs:
- source_labels:
- job
target_label: __tmp_prometheus_job_name
- action: keep
regex: kube-state-metrics
source_labels:
- __meta_kubernetes_service_label_app_kubernetes_io_name
- action: keep
regex: http
source_labels:
- __meta_kubernetes_endpoint_port_name
- regex: Node;(.*)
replacement: \$1
separator: ;
source_labels:
- __meta_kubernetes_endpoint_address_target_kind
- __meta_kubernetes_endpoint_address_target_name
target_label: node
- regex: Pod;(.*)
replacement: \$1
separator: ;
source_labels:
- __meta_kubernetes_endpoint_address_target_kind
- __meta_kubernetes_endpoint_address_target_name
target_label: pod
- source_labels:
- __meta_kubernetes_namespace
target_label: namespace
- source_labels:
- __meta_kubernetes_service_name
target_label: service
- source_labels:
- __meta_kubernetes_pod_name
target_label: pod
- source_labels:
- __meta_kubernetes_pod_container_name
target_label: container
- replacement: \$1
source_labels:
- __meta_kubernetes_service_name
target_label: job
- regex: (.+)
replacement: \$1
source_labels:
- __meta_kubernetes_service_label_app_kubernetes_io_name
target_label: job
- replacement: http
target_label: endpoint
- action: labeldrop
regex: (pod|service|endpoint|namespace)
- action: hashmod
modulus: 1
source_labels:
- __address__
target_label: __tmp_hash
- action: keep
regex: 0
source_labels:
- __tmp_hash
scheme: http
scrape_interval: 25s
scrape_timeout: 25s
tls_config:
insecure_skip_verify: true
- bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
honor_labels: true
honor_timestamps: false
job_name: deepflow/kube-state-metrics/1
kubernetes_sd_configs:
- namespaces:
names:
- {{ $.Release.Namespace }}
role: endpoints
relabel_configs:
- source_labels:
- job
target_label: __tmp_prometheus_job_name
- action: keep
regex: kube-state-metrics
source_labels:
- __meta_kubernetes_service_label_app_kubernetes_io_name
- action: keep
regex: metrics
source_labels:
- __meta_kubernetes_endpoint_port_name
- regex: Node;(.*)
replacement: \$1
separator: ;
source_labels:
- __meta_kubernetes_endpoint_address_target_kind
- __meta_kubernetes_endpoint_address_target_name
target_label: node
- regex: Pod;(.*)
replacement: \$1
separator: ;
source_labels:
- __meta_kubernetes_endpoint_address_target_kind
- __meta_kubernetes_endpoint_address_target_name
target_label: pod
- source_labels:
- __meta_kubernetes_namespace
target_label: namespace
- source_labels:
- __meta_kubernetes_service_name
target_label: service
- source_labels:
- __meta_kubernetes_pod_name
target_label: pod
- source_labels:
- __meta_kubernetes_pod_container_name
target_label: container
- replacement: \$1
source_labels:
- __meta_kubernetes_service_name
target_label: job
- regex: (.+)
replacement: \$1
source_labels:
- __meta_kubernetes_service_label_app_kubernetes_io_name
target_label: job
- replacement: metrics
target_label: endpoint
- action: hashmod
modulus: 1
source_labels:
- __address__
target_label: __tmp_hash
- action: keep
regex: 0
source_labels:
- __tmp_hash
scheme: http
scrape_interval: 25s
tls_config:
insecure_skip_verify: true
- bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
honor_labels: true
honor_timestamps: false
job_name: deepflow/cadvisor-monitor/0
static_configs:
- targets: ['127.0.0.1:10250']
metric_relabel_configs:
- action: keep
regex: kubelet_cgroup_manager_duration_seconds_count|go_goroutines|kubelet_pod_start_duration_seconds_count|kubelet_runtime_operations_total|kubelet_pleg_relist_duration_seconds_bucket|volume_manager_total_volumes|kubelet_volume_stats_capacity_bytes|container_cpu_usage_seconds_total|container_network_transmit_bytes_total|kubelet_runtime_operations_errors_total|container_network_receive_bytes_total|container_memory_swap|container_network_receive_packets_total|container_cpu_cfs_periods_total|container_cpu_cfs_throttled_periods_total|kubelet_running_pod_count|node_namespace_pod_container:container_cpu_usage_seconds_total:sum_rate|container_memory_working_set_bytes|storage_operation_errors_total|kubelet_pleg_relist_duration_seconds_count|kubelet_running_pods|rest_client_request_duration_seconds_bucket|process_resident_memory_bytes|storage_operation_duration_seconds_count|kubelet_running_containers|kubelet_runtime_operations_duration_seconds_bucket|kubelet_node_config_error|kubelet_cgroup_manager_duration_seconds_bucket|kubelet_running_container_count|kubelet_volume_stats_available_bytes|kubelet_volume_stats_inodes|container_memory_rss|kubelet_pod_worker_duration_seconds_count|kubelet_node_name|kubelet_pleg_relist_interval_seconds_bucket|container_network_receive_packets_dropped_total|kubelet_pod_worker_duration_seconds_bucket|container_start_time_seconds|container_network_transmit_packets_dropped_total|process_cpu_seconds_total|storage_operation_duration_seconds_bucket|container_memory_cache|container_network_transmit_packets_total|kubelet_volume_stats_inodes_used|up|rest_client_requests_total
source_labels:
- __name__
metrics_path: /metrics/cadvisor
relabel_configs:
- source_labels:
- job
target_label: __tmp_prometheus_job_name
- regex: Node;(.*)
replacement: \$1
separator: ;
source_labels:
- __meta_kubernetes_endpoint_address_target_kind
- __meta_kubernetes_endpoint_address_target_name
target_label: node
- regex: Pod;(.*)
replacement: \$1
separator: ;
source_labels:
- __meta_kubernetes_endpoint_address_target_kind
- __meta_kubernetes_endpoint_address_target_name
target_label: pod
- source_labels:
- __meta_kubernetes_namespace
target_label: namespace
- source_labels:
- __meta_kubernetes_service_name
target_label: service
- source_labels:
- __meta_kubernetes_pod_name
target_label: pod
- source_labels:
- __meta_kubernetes_pod_container_name
target_label: container
- replacement: \$1
source_labels:
- __meta_kubernetes_service_name
target_label: job
- replacement: https-metrics
target_label: endpoint
- action: replace
source_labels:
- __metrics_path__
target_label: metrics_path
- action: replace
replacement: integrations/kubernetes/cadvisor
target_label: job
- action: hashmod
modulus: 1
source_labels:
- __address__
target_label: __tmp_hash
- action: keep
regex: 0
source_labels:
- __tmp_hash
scheme: https
scrape_interval: 25s
tls_config:
insecure_skip_verify: true
- bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
honor_labels: true
honor_timestamps: false
job_name: deepflow/kubelet-monitor/0
static_configs:
- targets: ['127.0.0.1:10250']
metric_relabel_configs:
- action: keep
regex: kubelet_cgroup_manager_duration_seconds_count|go_goroutines|kubelet_pod_start_duration_seconds_count|kubelet_runtime_operations_total|kubelet_pleg_relist_duration_seconds_bucket|volume_manager_total_volumes|kubelet_volume_stats_capacity_bytes|container_cpu_usage_seconds_total|container_network_transmit_bytes_total|kubelet_runtime_operations_errors_total|container_network_receive_bytes_total|container_memory_swap|container_network_receive_packets_total|container_cpu_cfs_periods_total|container_cpu_cfs_throttled_periods_total|kubelet_running_pod_count|node_namespace_pod_container:container_cpu_usage_seconds_total:sum_rate|container_memory_working_set_bytes|storage_operation_errors_total|kubelet_pleg_relist_duration_seconds_count|kubelet_running_pods|rest_client_request_duration_seconds_bucket|process_resident_memory_bytes|storage_operation_duration_seconds_count|kubelet_running_containers|kubelet_runtime_operations_duration_seconds_bucket|kubelet_node_config_error|kubelet_cgroup_manager_duration_seconds_bucket|kubelet_running_container_count|kubelet_volume_stats_available_bytes|kubelet_volume_stats_inodes|container_memory_rss|kubelet_pod_worker_duration_seconds_count|kubelet_node_name|kubelet_pleg_relist_interval_seconds_bucket|container_network_receive_packets_dropped_total|kubelet_pod_worker_duration_seconds_bucket|container_start_time_seconds|container_network_transmit_packets_dropped_total|process_cpu_seconds_total|storage_operation_duration_seconds_bucket|container_memory_cache|container_network_transmit_packets_total|kubelet_volume_stats_inodes_used|up|rest_client_requests_total
source_labels:
- __name__
relabel_configs:
- source_labels:
- job
target_label: __tmp_prometheus_job_name
- regex: Node;(.*)
replacement: \$1
separator: ;
source_labels:
- __meta_kubernetes_endpoint_address_target_kind
- __meta_kubernetes_endpoint_address_target_name
target_label: node
- regex: Pod;(.*)
replacement: \$1
separator: ;
source_labels:
- __meta_kubernetes_endpoint_address_target_kind
- __meta_kubernetes_endpoint_address_target_name
target_label: pod
- source_labels:
- __meta_kubernetes_namespace
target_label: namespace
- source_labels:
- __meta_kubernetes_service_name
target_label: service
- source_labels:
- __meta_kubernetes_pod_name
target_label: pod
- source_labels:
- __meta_kubernetes_pod_container_name
target_label: container
- replacement: \$1
source_labels:
- __meta_kubernetes_service_name
target_label: job
- replacement: https-metrics
target_label: endpoint
- action: replace
source_labels:
- __metrics_path__
target_label: metrics_path
- action: replace
replacement: integrations/kubernetes/kubelet
target_label: job
- action: hashmod
modulus: 1
source_labels:
- __address__
target_label: __tmp_hash
- action: keep
regex: 0
source_labels:
- __tmp_hash
scheme: https
scrape_interval: 25s
tls_config:
insecure_skip_verify: true
integrations:
agent:
enabled: true
node_exporter:
enabled: true
relabel_configs:
- source_labels: [__address__]
regex: (.*)
target_label: instance
replacement: \$1
controller:
# -- Type of controller to use for deploying Grafana Agent in the cluster.
# Must be one of 'daemonset', 'deployment', or 'statefulset'.
type: 'daemonset'
# -- Number of pods to deploy. Ignored when controller.type is 'daemonset'.
replicas: 1
# -- Annotations to add to controller.
extraAnnotations: {}
# -- Whether to deploy pods in parallel. Only used when controller.type is
# 'statefulset'.
parallelRollout: true
# -- Configures Pods to use the host network. When set to true, the ports that will be used must be specified.
## The value must be set to hostnet; otherwise, network metrics cannot be captured https://github.com/grafana/alloy/issues/250
hostNetwork: true
# -- Configures Pods to use the host PID namespace.
hostPID: false
# -- Configures the DNS policy for the pod. https://kubernetes.io/docs/concepts/services-networking/dns-pod-service/#pod-s-dns-policy
dnsPolicy: ClusterFirstWithHostNet
EOF
helm install grafana-agent grafana/grafana-agent \
--namespace grafana-agent \
--create-namespace \
-f grafana-agent-values-custom.yaml
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#3. 配置 DeepFlow
请参考 配置 DeepFlow 一节内容，完成 DeepFlow Agent 配置。
Grafana Agent 中的指标将会存储在 DeepFlow 的 Grafana Agent database 中。
Grafana Agent 原有的标签可通过 tag.XXX 引用，指标值通过 value 引用。
同时 DeepFlow 也会自动注入大量的 Meta Tag 和 Custom Tag，使得 Grafana Agent 采集的数据可以与其他数据源无缝关联。
使用 Grafana，选择 DeepFlow 数据源进行搜索时的展现图下图：
Grafana Agent 数据集成