one more question is whether the alert manager can be accessed by the
following way in Prometheus configmap?
alerting:
alertmanagers:
- scheme: http
static_configs:
- targets:
- alertmanager0-0.alertmanager0.monitoring.svc.cluster.local:9093
- alertmanager1-0.alertmanager1.monitoring.svc.cluster.local:9093
On Wednesday, June 23, 2021 at 3:34:02 PM UTC+8 nina guo wrote:
> Thank you, great, I resolved the issue once I change to StatefulSet.
>
>
>
>
> On Wednesday, June 23, 2021 at 3:21:10 PM UTC+8 [email protected]
> wrote:
>
>> The statefulset keeps track of the pods (hence the word stateful), they
>> will get assigned the same name and they will keep the same hostname every
>> time they die and come back,
>> ie: a statefulset named foobar with two pods will always have two pods
>> named foobar-0 and foobar-1
>> combined with a headless service, the pods are reachable at
>> foobar-{0/1}.<service_name>.<namespace>.svc.cluster.local
>>
>> On Wed, Jun 23, 2021 at 9:08 AM nina guo <[email protected]> wrote:
>>
>>> May I ask what's the difference once I change to Statefulset?
>>>
>>> On Wednesday, June 23, 2021 at 2:42:56 PM UTC+8 [email protected]
>>> wrote:
>>>
>>>> Hello, you can make use of Kubernetes Statefulset instead of deployment
>>>> in this case
>>>>
>>>> On Wed, Jun 23, 2021 at 8:20 AM nina guo <[email protected]> wrote:
>>>>
>>>>> Hi guys,
>>>>>
>>>>> I'm implementing alertmanager HA.
>>>>>
>>>>> alertmanager0:
>>>>> -----------------------------------------
>>>>> containers:
>>>>> - name: alertmanager
>>>>> image: quay.io/prometheus/alertmanager:latest
>>>>> args:
>>>>> - "--config.file=/etc/alertmanager/config.yml"
>>>>> - "--storage.path=/alertmanager"
>>>>> - "--cluster.listen-address=0.0.0.0:9094"
>>>>> -----------------------------------------------
>>>>>
>>>>> alertmanager1:
>>>>> --------------------------------------------
>>>>> containers:
>>>>> - name: alertmanager
>>>>> image: quay.io/prometheus/alertmanager:latest
>>>>> args:
>>>>> - "--config.file=/etc/alertmanager/config.yml"
>>>>> - "--storage.path=/alertmanager"
>>>>> - "--cluster.listen-address=0.0.0.0:9095"
>>>>> - "--cluster.peer=internal_ip_of_alertmanager0:9094"
>>>>>
>>>>> alertmanager service:
>>>>> -------------------------------------------------
>>>>> apiVersion: v1
>>>>> kind: Service
>>>>> metadata:
>>>>> name: alertmanager
>>>>> namespace: monitoring
>>>>> spec:
>>>>> selector:
>>>>> app: alertmanager
>>>>> type: NodePort
>>>>> ports:
>>>>> - port: 9093
>>>>> targetPort: 9093
>>>>> nodePort: 31000
>>>>>
>>>>> I have a question that if alertmanager0 restarts, then the internal ip
>>>>> will be changed. So I may have to update the deployment file and re-apply
>>>>> again.
>>>>> May I ask if there is a way to assign a DNS something like this to the
>>>>> internal IP address?
>>>>>
>>>>>
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>>>>>
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>>> .
>>>
>>
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