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Added containerlized aca for merak #46

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Added containerlized aca for merak #46

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14 changes: 14 additions & 0 deletions tools/merak-aca-container/Dockerfile
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FROM ubuntu:18.04
RUN apt update
RUN apt upgrade -y
RUN apt install -y git
RUN apt install -y wget
RUN apt install -y uuid
RUN apt-get install -y uuid-dev
RUN apt install -y openvswitch-switch=2.9.8-0ubuntu0.18.04.2

RUN git clone --recurse-submodules https://github.com/futurewei-cloud/alcor-control-agent.git /root/alcor-control-agent

ENV LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/lib/
RUN /root/alcor-control-agent/build/aca-machine-init.sh
CMD sh /root/alcor-control-agent/build/aca_container/aca_run.sh
48 changes: 48 additions & 0 deletions tools/merak-aca-container/README.md
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# How to build ACA image and run it in docker/k8s

Use the bellow command to build image
```
docker build --no-cache -f Dockerfile -t aca_build .
```

After Build we can rename(tag) it, no need to do, unless upload to dockerhub:
```
docker tag <IMAGE ID> <username>/<aca_image_name>
```
To upload image to Dockerhub:
```
docker push <username>/<aca_image_name>
```

To download image to physical machines:
```
docker pull <username>/<aca_image_name>
```

To run the docer image in container:
```
docker container run -d -it --cap-add=NET_ADMIN --cap-add=SYS_PTRACE --privileged --security-opt seccomp=unconfined --name <aca_container_name> <username>/<aca_image_name> /bin/bash
```

To Login to the Docker container:
```
docker exec -u 0 -it <aca_container_name> /bin/bash
```

___

## For k8s
To run the above aca image in K8s, we need to run the folling command on all k8s nodes.
```
docker pull <username>/<aca_image_name>
```

Then we can use the bellow yaml file to create ACA pods in k8s:
```
Kubectl create -f aca_k8s.yaml
```

To get into ACA pod:
```
kubectl exec --stdin --tty <aca_pod_name> -- /bin/bash
```
24 changes: 24 additions & 0 deletions tools/merak-aca-container/aca_k8s.yaml
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apiVersion: apps/v1
kind: Deployment
metadata:
name: aca-deployment
spec:
selector:
matchLabels:
app: aca
replicas: 1 # tells deployment to run 2 pods matching the template
template:
metadata:
labels:
app: aca
spec:
# hostPID: true
containers:
- name: aca
image: aca_image
command: ["/bin/sh","-c"]
args: ["service rsyslog restart && /etc/init.d/openvswitch-switch restart && /root/alcor-control-agent/build/bin/AlcorControlAgent -d -a 10.213.43.251 -p 30014"]
securityContext:
privileged: true
ports:
- containerPort: 50001