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Loki, the "open source star picking program", realizes the efficient management of harbor logs
2022-07-07 22:36:00 【51CTO】
This article has participated in 「 Open source star picking program 」, Welcome to join us .
Preface
stay Harbor Of
Use Loki Realization Harbor Log management , stay Grafana Page query Harbor Log .
Environmental Science ：
Passed Helm stay Kubernetes Install in cluster Harbor,Harbor The service is deployed in Harbor In the namespace .
Helm Deploy Harbor Please read the document of ：
Helm Deploy Harbor, Realize highly available image warehouse （ Super detailed sharing ）~ The pit record is attached
https://blog.51cto.com/lidabai/5195706
[[email protected] harbor]
# kubectl -n harbor get pods
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[[email protected] harbor]
# kubectl -n harbor get svc
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Loki brief introduction
Loki yes Grafana Labs The team's latest open source project , It's a level of scalability , High availability , Multi tenant log aggregation system . It's designed to be very cost-effective and easy to operate , Because it does not index log content , Instead, label each log stream .
Unlike other logging systems ,Loki It is built around the idea of indexing only metadata about logs ： label （ It's like Prometheus The label is the same ）. then , The log data itself will be compressed and stored in object storage in the form of blocks （ for example S3 or GCS） in , Even stored locally in the file system . Small indexes and highly compressed blocks simplify operations and significantly reduce Loki Cost of .
Use Helm Deploy Loki Log platform
Environmental preparation
1) Create a namespace
2） install Helm
If you have installed it helm 了 , You can ignore this step .
[[email protected] ~]
# wget https://get.helm.sh/helm-v3.7.2-linux-amd64.tar.gz
[[email protected] ~]
# tar zxvf helm-v3.7.2-linux-amd64.tar.gz
[[email protected] ~]
# cp linux-amd64/helm /usr/local/bin/
[[email protected] ~]
# helm versio
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[[email protected] ~]
# helm repo add grafana https://grafana.github.io/helm-charts
[[email protected] ~]
# helm repo list
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# helm repo update
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4) Search for chart
[[email protected] ~]
# helm search repo grafana
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grafana/loki-stack: Encapsulate multiple processes into one Pod Inside , No data persistence , For test environments , Monomer mode .
grafana/loki-canary: Canary update mode ;
grafana/loki-distributed: Microservice model , Suitable for large-scale production ;
grafana/loki-simple-scalable: Read write separation mode , Simple and scalable ;
Download and install Loki Chart
- Download decompression chart
[[email protected] ~]
# helm pull grafana/loki-stack --untar
[[email protected] ~]
# cd loki-stack/
[[email protected] loki-stack]
# ls
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- 2.
- 3.
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--untar： Download and unzip Chart package ;
- modify values.yaml To configure
[[email protected] loki-stack]
# vim values.yaml
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- 3.
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- install
[[email protected] loki-stack]
# helm install loki-stack . -n loki
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[[email protected] loki-stack]
# helm -n loki ls
- 1.
- 2.
- 3.
- 4.
- 5.
- 6.
- 7.
- 8.
- 9.
- 10.
- 11.
View authentication services
[[email protected] loki-stack]
# kubectl -n loki get pods
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[[email protected] loki-stack]
# kubectl -n loki get svc
N
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- 4.
- 5.
- 6.
- 7.
- 8.
- 9.
- 10.
- 11.
- 12.
- 13.
- 14.
- 15.
Pod All deployed successfully ！
- modify Grafana The service access method is NodePort
[[email protected] loki-stack]
# kubectl -n loki edit svc loki-stack-grafana
s
p
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c:
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e:
N
o
d
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P
o
r
t
- 1.
- 2.
- 3.
Grafana To configure
Sign in Grafana
[[email protected] loki-stack]
# kubectl -n loki get svc loki-stack-grafana
N
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- 2.
- 3.
see Grafana password
Browser login Grafana
- The login address ： k8s node IP:NodePort
- user name ：admin
- password ： What I just saw secret Analytic string
Grafana see Loki journal
And then input ： {namespace="harbor"} You can view it Harbor All logs of namespace .
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