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Mocker v1.0.0

Playful container engine created by 500 lines bash script

Demo

asciicast

Install on Centos

Tested with AWS Linux ami-0f2eac25772cd4e36

curl https://raw.githubusercontent.com/zalopay-oss/mocker-k1s/main/mocker/install.sh | bash

Basic usage

Demo mocker file

$ cat golang1.Mockerfile
RUN wget https://github.com/dinhanhhuy/go-backend/releases/download/1.0.0/go-backend-linux-amd64
RUN chmod +x go-backend-linux-amd64
RUN echo 'this is go-backend 1000' > /root/.mocker/layer/builder_space/index.html
RUN ls -la
RUN ls -la

Build image from Mockerfile

$ mocker build img1 golang1.Mockerfile
...
932ace9337a30e1f58841718c2624870
[INFO]: buding RUN chmod +x go-backend-linux-amd64
[INFO]: buding RUN echo 'this is go-backend 1000' > /root/.mocker/layer/builder_space/index.html
[INFO]: buding RUN ls -la
[INFO]: buding RUN ls -la
[INFO]: buding CMD ID=go-backend-1 WORK_DIR=/root/workspace /root/workspace/go-backend-linux-amd64
/root/.mocker/layer
|-- 2d15f0c52caa33fd679b2fdc8f14f642
|   |-- go-backend-linux-amd64
|   `-- index.html
|-- 90cb403239851d091015e1e2d98f489b
|   |-- entry.sh
|   |-- go-backend-linux-amd64
|   `-- index.html
|-- 932ace9337a30e1f58841718c2624870
|   `-- go-backend-linux-amd64
|-- ba8675a9a669696c12076f6c0b879a7d
|   |-- go-backend-linux-amd64
|   `-- index.html
|-- ddf58290b0367f3f695074b6ecde8985
|   `-- go-backend-linux-amd64
|-- f4d1ea5912242d002cc06053b6220342
|   |-- go-backend-linux-amd64
|   `-- index.html
`-- img1 -> 90cb403239851d091015e1e2d98f489b
 __________________________
< Build image img1 success >
 --------------------------
        \   ^__^
         \  (><)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

List all images

$ mocker images
/root/.mocker/layer
|-- 2d15f0c52caa33fd679b2fdc8f14f642
|   |-- go-backend-linux-amd64
|   `-- index.html
|-- 90cb403239851d091015e1e2d98f489b
|   |-- entry.sh
|   |-- go-backend-linux-amd64
|   `-- index.html
|-- 932ace9337a30e1f58841718c2624870
|   `-- go-backend-linux-amd64
|-- ba8675a9a669696c12076f6c0b879a7d
|   |-- go-backend-linux-amd64
|   `-- index.html
|-- ddf58290b0367f3f695074b6ecde8985
|   `-- go-backend-linux-amd64
|-- f4d1ea5912242d002cc06053b6220342
|   |-- go-backend-linux-amd64
|   `-- index.html
`-- img1 -> 90cb403239851d091015e1e2d98f489b

Run new container with isolate network

$ mocker run backend img1
ip backend, ip 10.0.0.5, pid 3832
 ___________________________________
< Success create backend, ip: 10.0.0.5 >
 -----------------------------------
        \   ^__^
         \  (oO)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

List container

$ mocker ps
backend 10.0.0.5

Test connection

container backend running at 10.0.0.5:10000

$ curl 10.0.0.5:10000
this is go-backend 1000

Verify the host dont listen on 10000

$ netstat -lnpt | grep 10000
# exit 1

Execute to pod and check for network

$ mocker exec backend
______________
< exec backend >
 -------------
        \   ^__^
         \  (..)\_______
            (__)\       )\/\
                ||----w |
                ||     ||
[root@ip-172-31-20-239 /]# netstat -lnpt | grep 10000
tcp6       0      0 :::10000                :::*                    LISTEN      5/go-backend-linux-