我有一个运行在EKS上的kubernetes集群
我已经从这个repository安装了prometheus和alertmanager。
这是一套工具，所以我认为它对像我这样的乞丐很有用。
现在我可以通过localhost:9090看到prometheus Jmeter 板，我的pod也在这里。
有三个alertmanager。（可能和node一样？）

$kubectl get pod -A
NAMESPACE     NAME                                   READY   STATUS    RESTARTS   AGE
kube-system   aws-node-669m7                         1/1     Running   0          29m
kube-system   aws-node-7rwhg                         1/1     Running   0          29m
kube-system   aws-node-f7tnf                         1/1     Running   0          39m
kube-system   cluster-autoscaler-78c99d7c59-6gbn7    1/1     Running   0          31m
kube-system   coredns-7dbf6bcd5b-5hgjx               1/1     Running   0          49m
kube-system   coredns-7dbf6bcd5b-ff5b4               1/1     Running   0          49m
kube-system   kube-proxy-jrwxh                       1/1     Running   0          29m
kube-system   kube-proxy-lwm9q                       1/1     Running   0          39m
kube-system   kube-proxy-xp9l9                       1/1     Running   0          29m
monitoring    alertmanager-main-0                    2/2     Running   0          35m
monitoring    alertmanager-main-1                    2/2     Running   0          35m
monitoring    alertmanager-main-2                    2/2     Running   0          35m
monitoring    blackbox-exporter-69f4d86566-d99bk     3/3     Running   0          36m
monitoring    grafana-79cd8d4b69-2k9np               1/1     Running   0          36m
monitoring    kube-state-metrics-56f8746666-q298b    3/3     Running   0          31m
monitoring    node-exporter-ndln7                    2/2     Running   0          29m
monitoring    node-exporter-psqng                    2/2     Running   0          29m
monitoring    node-exporter-z92vx                    2/2     Running   0          35m
monitoring    prometheus-adapter-77f56b865b-4sgv7    1/1     Running   0          31m
monitoring    prometheus-adapter-77f56b865b-f9tx6    1/1     Running   0          35m
monitoring    prometheus-k8s-0                       2/2     Running   0          35m
monitoring    prometheus-k8s-1                       2/2     Running   0          35m
monitoring    prometheus-operator-54f6687b97-5mdbb   2/2     Running   0          35m

然后，我想做的是设置警报，当节点超过4时，它会发送电子邮件到我的Gmail帐户。
所以我做了alertmanager.yml（这不是我的意思，这只是样本，只是练习。）

global:
  resolve_timeout: 5m
  smtp_from: 'prometheus.test@example.com'
  smtp_smarthost: 'localhost:25'
route:
  group_by: ['alertname']
  group_wait: 10s
  group_interval: 10s
  repeat_interval: 1h
  receiver: 'web.hook'
  routes:
  - receiver: 'mailtest'
    match:
      test_type: SampleAlert
receivers:
- name: 'mailtest'
  email_configs:
    - to: 'root@localhost.localdomain'
      require_tls: false
- name: 'web.hook'
  webhook_configs:
  - url: 'https://127.0.0.1:5001/'
inhibit_rules:
  - source_match:
      severity: 'critical'
    target_match:
      severity: 'warning'
    equal: ['alertname', 'dev', 'instance']

然后文档说，我可以将其附加为nohup ./alertmanager --config.file=alertmanager.yml &
但是，我本地PC中没有alertmanager命令。
我应该如何将这个yml应用到运行在EKS上的alertmanager pod？