目录
输入和输出集成概述
Docker 输入插件允许您使用 Docker Engine API 从 Docker 容器收集指标,从而增强容器化应用程序的可见性和监控。
此输出插件通过 HTTP 将 Telegraf 的指标直接流式传输到 ServiceNow MID Server,利用 nowmetric 序列化器与 ServiceNow 的 Operational Intelligence 和 Event Management 有效集成。
集成详情
Docker
Telegraf 的 Docker 输入插件从 Docker Engine API 收集有价值的指标,从而深入了解正在运行的容器。此插件利用官方 Docker 客户端与 Engine API 交互,允许用户监控各种容器状态、资源分配和性能指标。通过按名称和状态过滤容器的选项,以及可自定义的标签,此插件支持在各种环境中监控容器化应用程序的灵活性,无论是在本地系统还是在 Kubernetes 等编排平台中。此外,它还通过要求访问 Docker 守护程序的权限来解决安全问题,并在容器化环境中部署时强调适当的配置。
ServiceNow
Telegraf 可用于将指标数据直接发送到 ServiceNow MID Server REST 端点。指标可以使用 ServiceNow 的 Operational Intelligence (OI) 格式或 JSONv2 格式进行格式化,从而实现与 ServiceNow 的 Event Management 和 Operational Intelligence 平台的无缝集成。序列化器有效地批量处理指标,通过减少 HTTP POST 请求的数量来降低网络开销。此集成允许用户快速利用 ServiceNow 中的指标来增强可观察性、主动事件管理和性能监控,以及 ServiceNow 的运营智能功能。
配置
Docker
[[inputs.docker]]
## Docker Endpoint
## To use TCP, set endpoint = "tcp://[ip]:[port]"
## To use environment variables (ie, docker-machine), set endpoint = "ENV"
endpoint = "unix:///var/run/docker.sock"
## Set to true to collect Swarm metrics(desired_replicas, running_replicas)
## Note: configure this in one of the manager nodes in a Swarm cluster.
## configuring in multiple Swarm managers results in duplication of metrics.
gather_services = false
## Only collect metrics for these containers. Values will be appended to
## container_name_include.
## Deprecated (1.4.0), use container_name_include
container_names = []
## Set the source tag for the metrics to the container ID hostname, eg first 12 chars
source_tag = false
## Containers to include and exclude. Collect all if empty. Globs accepted.
container_name_include = []
container_name_exclude = []
## Container states to include and exclude. Globs accepted.
## When empty only containers in the "running" state will be captured.
# container_state_include = []
# container_state_exclude = []
## Objects to include for disk usage query
## Allowed values are "container", "image", "volume"
## When empty disk usage is excluded
storage_objects = []
## Timeout for docker list, info, and stats commands
timeout = "5s"
## Whether to report for each container per-device blkio (8:0, 8:1...),
## network (eth0, eth1, ...) and cpu (cpu0, cpu1, ...) stats or not.
## Usage of this setting is discouraged since it will be deprecated in favor of 'perdevice_include'.
## Default value is 'true' for backwards compatibility, please set it to 'false' so that 'perdevice_include' setting
## is honored.
perdevice = true
## Specifies for which classes a per-device metric should be issued
## Possible values are 'cpu' (cpu0, cpu1, ...), 'blkio' (8:0, 8:1, ...) and 'network' (eth0, eth1, ...)
## Please note that this setting has no effect if 'perdevice' is set to 'true'
# perdevice_include = ["cpu"]
## Whether to report for each container total blkio and network stats or not.
## Usage of this setting is discouraged since it will be deprecated in favor of 'total_include'.
## Default value is 'false' for backwards compatibility, please set it to 'true' so that 'total_include' setting
## is honored.
total = false
## Specifies for which classes a total metric should be issued. Total is an aggregated of the 'perdevice' values.
## Possible values are 'cpu', 'blkio' and 'network'
## Total 'cpu' is reported directly by Docker daemon, and 'network' and 'blkio' totals are aggregated by this plugin.
## Please note that this setting has no effect if 'total' is set to 'false'
# total_include = ["cpu", "blkio", "network"]
## docker labels to include and exclude as tags. Globs accepted.
## Note that an empty array for both will include all labels as tags
docker_label_include = []
docker_label_exclude = []
## Which environment variables should we use as a tag
tag_env = ["JAVA_HOME", "HEAP_SIZE"]
## Optional TLS Config
# tls_ca = "/etc/telegraf/ca.pem"
# tls_cert = "/etc/telegraf/cert.pem"
# tls_key = "/etc/telegraf/key.pem"
## Use TLS but skip chain & host verification
# insecure_skip_verify = false
ServiceNow
[[outputs.http]]
## ServiceNow MID Server metrics endpoint
url = "http://mid-server.example.com:9082/api/mid/sa/metrics"
## HTTP request method
method = "POST"
## Basic Authentication credentials
username = "evt.integration"
password = "P@$$w0rd!"
## Data serialization format for ServiceNow
data_format = "nowmetric"
## Metric format type: "oi" (default) or "jsonv2"
nowmetric_format = "oi"
## HTTP Headers
[outputs.http.headers]
Content-Type = "application/json"
Accept = "application/json"
## Optional timeout
# timeout = "5s"
## TLS configuration options
# tls_ca = "/etc/telegraf/ca.pem"
# tls_cert = "/etc/telegraf/cert.pem"
# tls_key = "/etc/telegraf/key.pem"
# insecure_skip_verify = false
输入和输出集成示例
Docker
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监控容器化应用程序的性能:使用 Docker 输入插件来跟踪 Docker 容器中运行的应用程序的 CPU、内存、磁盘 I/O 和网络活动。通过收集这些指标,DevOps 团队可以主动管理资源分配、解决性能瓶颈,并确保跨不同环境的最佳应用程序性能。
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与 Kubernetes 集成:利用此插件收集由 Kubernetes 编排的 Docker 容器的指标。通过过滤掉不必要的 Kubernetes 标签并专注于关键指标,团队可以简化其监控解决方案并创建仪表板,从而深入了解 Kubernetes 集群中运行的微服务的整体健康状况。
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容量规划和资源优化:使用 Docker 输入插件收集的指标来执行 Docker 部署的容量规划。分析使用模式有助于识别未充分利用的资源和过度配置的容器,从而根据实际使用趋势指导扩展或缩减的决策。
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容器异常的自动警报:根据通过 Docker 插件收集的指标设置警报规则,以通知团队资源使用量或服务中断的异常峰值。这种主动监控方法有助于维护服务可靠性并优化容器化应用程序的性能。
ServiceNow
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主动事件管理:利用 Telegraf 和 ServiceNow 集成将基础设施和应用程序指标实时流式传输到 ServiceNow Event Management。基于阈值自动触发事件或补救工作流程,从而显着缩短事件检测和响应时间。
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端到端应用程序监控:在应用程序堆栈的多个层部署 Telegraf 代理,将性能指标直接发送到 ServiceNow。利用 ServiceNow 的 Operational Intelligence,团队可以将跨组件的指标关联起来,快速识别性能瓶颈。
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动态 CI 性能跟踪:通过使用此插件推送性能数据,将 Telegraf 指标与 ServiceNow 的 CMDB 集成,从而允许基于实时指标自动更新配置项 (CI) 健康状态。这确保了 ServiceNow 中基础设施健康的准确和当前状态。
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云资源优化:使用 Telegraf 从混合云和多云基础设施收集指标,直接流式传输到 ServiceNow。利用这些指标进行实时分析、预测性容量规划和资源优化,从而实现主动管理并降低运营成本。
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