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[英]docker-compose on Windows - Container command 'sh' not found or does not exist
[英]iptables command not found in docker-compose container
我們有 docker-compose 文件
version: '3'
services:
prometheus-server:
image: prom/prometheus
ports:
- 9090:9090
volumes:
- ./prometheus/prometheus.yml:/etc/prometheus/prometheus.yml
grafana-ui:
privileged: true
image: grafana/grafana-oss:latest
ports:
- 3000:3000
environment:
- GF_SECURITY_ADMIN_PASSWORD=secret
links:
- prometheus-server:prometheus
cap_add:
- NET_RAW
- NET_ADMIN
但是, /bin/sh: iptables: not found
當我們嘗試通過docker exec -it <grafana-ui container id> /bin/sh
運行iptables -nvL -t nat
時。 我有什么遺漏嗎? 如何在 docker 容器中運行iptables
?
Per this question 根據 alpinelinux 在 docker 容器中安裝 iptables ,添加了參數--cap-add=NET_ADMIN
和--cap-add=NET_RAW
,但是,我也無法運行iptables
。
/bin/sh: iptables: 未找到
這意味着grafana/grafana-oss:latest
默認不包括iptables
命令。
您可以使用apk add --no-cache iptables ip6tables
安裝它,請參閱Running (and debugging) iptables inside a Docker container 。
接下來的快速實驗:
nxa13855@shlava:~$ docker run --entrypoint /bin/bash -idt --cap-add=NET_ADMIN --cap-add=NET_RAW grafana/grafana-oss:latest
21296933a1d59c45c68c8ab1120b4324b717aea8d220ca070c2c8f21c449e6a5
nxa13855@shlava:~$ docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
21296933a1d5 grafana/grafana-oss:latest "/bin/bash" 8 seconds ago Up 7 seconds 3000/tcp awesome_villani
nxa13855@shlava:~$ docker exec -uroot -it 21296933a1d5 /bin/bash
bash-5.1# apk add --no-cache iptables ip6tables
fetch https://dl-cdn.alpinelinux.org/alpine/v3.14/main/x86_64/APKINDEX.tar.gz
fetch https://dl-cdn.alpinelinux.org/alpine/v3.14/community/x86_64/APKINDEX.tar.gz
(1/4) Installing libmnl (1.0.4-r1)
(2/4) Installing libnftnl-libs (1.2.0-r0)
(3/4) Installing iptables (1.8.7-r1)
(4/4) Installing ip6tables (1.8.7-r1)
Executing busybox-1.33.1-r6.trigger
Executing glibc-bin-2.30-r0.trigger
/usr/glibc-compat/sbin/ldconfig: /usr/glibc-compat/lib/ld-linux-x86-64.so.2 is not a symbolic link
OK: 29 MiB in 38 packages
bash-5.1# iptables -nvL -t nat
Chain PREROUTING (policy ACCEPT 0 packets, 0 bytes)
pkts bytes target prot opt in out source destination
Chain INPUT (policy ACCEPT 0 packets, 0 bytes)
pkts bytes target prot opt in out source destination
Chain OUTPUT (policy ACCEPT 0 packets, 0 bytes)
pkts bytes target prot opt in out source destination
Chain POSTROUTING (policy ACCEPT 0 packets, 0 bytes)
pkts bytes target prot opt in out source destination
bash-5.1#
對你來說,你可能需要寫下你的所有者 dockerfile extends from grafana/grafana-oss:latest
,在該 dokefile 中,添加apk add --no-cache iptables ip6tables
以使您的圖像默認具有iptables
命令。
如果只是為了調試,您可以像我上面所做的那樣直接 exec 進入該容器以安裝命令,但請記住在exec
時添加-uroot
作為該映像默認值不使用root
。
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