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quick_start.md

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Using Atomic App

Prerequisite: Before proceeding, make sure you either have a Kubernetes, OpenShift or Docker environment setup and ready.

You can either use Atomic App on your own OS or in a container via the atomic command on Atomic hosts.

In order to use Atomic App on Project Atomic hosts we use the INSTALL and RUN label functionality with atomic cli.

With the exception of the atomic stop command all functionality is essentially the same.

Quickstart: Atomic App on bare metal

Running Apache on Docker:

▶ sudo atomicapp run projectatomic/helloapache --provider=docker
2016-02-25 16:06:38,298 - [INFO] - main.py - Action/Mode Selected is: run
2016-02-25 16:06:38,299 - [INFO] - base.py - Unpacking image: projectatomic/helloapache to /var/lib/atomicapp/projectatomic-helloapache-7c32c1632a7b
2016-02-25 16:06:41,904 - [INFO] - container.py - Skipping pulling Docker image: projectatomic/helloapache
2016-02-25 16:06:41,904 - [INFO] - container.py - Extracting nulecule data from image: projectatomic/helloapache to /var/lib/atomicapp/projectatomic-helloapache-7c32c1632a7b
20af2e6e33d10d26aa98d6e63c70de5fd55bfe14b9cc782e1312afe441ef7130
2016-02-25 16:06:42,231 - [INFO] - docker.py - Deploying to provider: Docker
5d6938439d50c21251507b26c73f5e65f102f2b99e183002ef2ec21414c4ee78

Your application resides in /var/lib/atomicapp/projectatomic-helloapache-7c32c1632a7b
Please use this directory for managing your application

▶ docker ps
CONTAINER ID        IMAGE               COMMAND                  CREATED             STATUS              PORTS                NAMES
5d6938439d50        centos/httpd        "/run-httpd.sh"          3 seconds ago       Up 1 seconds        0.0.0.0:80->80/tcp   default_centos-httpd_ec75a2fe2a50

Runnning Apache on Kubernetes:

▶ sudo atomicapp run projectatomic/helloapache
2016-02-25 15:03:04,341 - [INFO] - main.py - Action/Mode Selected is: run
2016-02-25 15:03:04,343 - [INFO] - base.py - Unpacking image: projectatomic/helloapache to /var/lib/atomicapp/projectatomic-helloapache-c0dd79b5e757
2016-02-25 15:03:07,983 - [INFO] - container.py - Skipping pulling Docker image: projectatomic/helloapache
2016-02-25 15:03:07,984 - [INFO] - container.py - Extracting nulecule data from image: projectatomic/helloapache to /var/lib/atomicapp/projectatomic-helloapache-c0dd79b5e757
886e10a3244f982f3302ab9058ab7b377c6f83e2cf63f001e1ba011358d0b471
2016-02-25 15:03:08,332 - [INFO] - kubernetes.py - Using namespace default
2016-02-25 15:03:08,332 - [INFO] - kubernetes.py - trying kubectl at /usr/bin/kubectl
2016-02-25 15:03:08,332 - [INFO] - kubernetes.py - trying kubectl at /usr/local/bin/kubectl
2016-02-25 15:03:08,332 - [INFO] - kubernetes.py - found kubectl at /usr/local/bin/kubectl
2016-02-25 15:03:08,332 - [INFO] - kubernetes.py - Deploying to Kubernetes
...

Your application resides in /var/lib/atomicapp/projectatomic-helloapache-c0dd79b5e757
Please use this directory for managing your application

▶ kubectl get po
NAME                   READY     STATUS    RESTARTS   AGE
helloapache            1/1       Running   0          2m
k8s-etcd-127.0.0.1     1/1       Running   0          1d
k8s-master-127.0.0.1   4/4       Running   0          1d
k8s-proxy-127.0.0.1    1/1       Running   0          1d

Fetch, edit and run Apache on Kubernetes:

▶ mkdir ./localdir

▶ sudo atomicapp fetch projectatomic/helloapache --destination ./localdir/
2016-02-25 15:35:41,439 - [INFO] - main.py - Action/Mode Selected is: fetch
2016-02-25 15:35:41,440 - [INFO] - base.py - Unpacking image: projectatomic/helloapache to helloapache
2016-02-25 15:35:45,067 - [INFO] - container.py - Skipping pulling Docker image: projectatomic/helloapache
2016-02-25 15:35:45,067 - [INFO] - container.py - Extracting nulecule data from image: projectatomic/helloapache to helloapache
c12d2047fab44f2906b9cbee3ac86c6c6499921ce33a90085e8765491b44f447

Your application resides in localdir
Please use this directory for managing your application

▶ cd localdir

▶ cat Nulecule
...
      - name: hostport
        description: The host TCP port as the external endpoint
        default: 80
...

▶ vim Nulecule # edit port 80 to 8080

▶ cat Nulecule 
...
      - name: hostport
        description: The host TCP port as the external endpoint
        default: 8080
...

▶ sudo atomicapp run .

OR

▶ docker build -t myapp
▶ sudo atomicapp run myapp

Quickstart: Atomic App on Atomic Host

Running Apache on Docker:

▶ sudo atomic run projectatomic/helloapache --provider=docker
docker run -it --rm  --privileged -v /home/wikus:/atomicapp -v /run:/run -v /:/host --net=host --name helloapache -e NAME=helloapache -e IMAGE=projectatomic/helloapache projectatomic/helloapache  run  --provider=docker
docker run -it --rm  --privileged -v /home/wikus:/atomicapp -v /run:/run -v /:/host --net=host --name helloapache -e NAME=helloapache -e IMAGE=projectatomic/helloapache projectatomic/helloapache  run  --provider=docker
2016-03-01 20:54:37,617 - [INFO] - main.py - Action/Mode Selected is: run
2016-03-01 20:54:37,618 - [INFO] - base.py - Unpacking image: projectatomic/helloapache to /host/var/lib/atomicapp/projectatomic-helloapache-a68057164f09
2016-03-01 20:54:38,357 - [INFO] - container.py - Skipping pulling Docker image: projectatomic/helloapache
2016-03-01 20:54:38,358 - [INFO] - container.py - Extracting nulecule data from image: projectatomic/helloapache to /host/var/lib/atomicapp/projectatomic-helloapache-a68057164f09
6eedd332f9938c7b4bacca694fdc77309ca5b43aabb05a1cb644ff8a0b713012
2016-03-01 20:54:38,558 - [WARNING] - plugin.py - Configuration option 'providerconfig' not found
2016-03-01 20:54:38,558 - [WARNING] - plugin.py - Configuration option 'providerconfig' not found
2016-03-01 20:54:38,602 - [INFO] - docker.py - Deploying to provider: Docker
a98d9a3305496803c38a90a9ef65c52030dc23dae4b04f36ce167ff98335395f

Your application resides in /var/lib/atomicapp/projectatomic-helloapache-a68057164f09
Please use this directory for managing your application

Runnning Apache on Kubernetes:

▶ sudo atomic run projectatomic/helloapache
docker run -it --rm  --privileged -v /home/wikus:/atomicapp -v /run:/run -v /:/host --net=host --name helloapache -e NAME=helloapache -e IMAGE=projectatomic/helloapache projectatomic/helloapache  run  
docker run -it --rm  --privileged -v /home/wikus:/atomicapp -v /run:/run -v /:/host --net=host --name helloapache -e NAME=helloapache -e IMAGE=projectatomic/helloapache projectatomic/helloapache  run  
2016-03-01 20:58:03,396 - [INFO] - main.py - Action/Mode Selected is: run
2016-03-01 20:58:03,397 - [INFO] - base.py - Unpacking image: projectatomic/helloapache to /host/var/lib/atomicapp/projectatomic-helloapache-89e975ea7438
2016-03-01 20:58:04,153 - [INFO] - container.py - Skipping pulling Docker image: projectatomic/helloapache
2016-03-01 20:58:04,153 - [INFO] - container.py - Extracting nulecule data from image: projectatomic/helloapache to /host/var/lib/atomicapp/projectatomic-helloapache-89e975ea7438
c85cbb2d28857f2b283e23a72a70e077daceeb2b72f6964605af6f7efa8fbc2f
2016-03-01 20:58:04,387 - [WARNING] - plugin.py - Configuration option 'providerconfig' not found
2016-03-01 20:58:04,388 - [WARNING] - plugin.py - Configuration option 'providerconfig' not found
2016-03-01 20:58:04,388 - [INFO] - kubernetes.py - Using namespace default
2016-03-01 20:58:04,388 - [INFO] - kubernetes.py - trying kubectl at /host/usr/bin/kubectl
2016-03-01 20:58:04,388 - [INFO] - kubernetes.py - trying kubectl at /host/usr/local/bin/kubectl
2016-03-01 20:58:04,388 - [INFO] - kubernetes.py - found kubectl at /host/usr/local/bin/kubectl
2016-03-01 20:58:04,388 - [INFO] - kubernetes.py - Deploying to Kubernetes

Your application resides in /var/lib/atomicapp/projectatomic-helloapache-89e975ea7438
Please use this directory for managing your application

Stopping Apache on Kubernetes:

▶ sudo atomic stop projectatomic/helloapache /var/lib/atomicapp/projectatomic-helloapache-89e975ea7438
docker run -it --rm  --privileged -v /home/wikus:/atomicapp -v /run:/run -v /:/host --net=host --name helloapache -e NAME=helloapache -e IMAGE=projectatomic/helloapache projectatomic/helloapache  stop  /var/lib/atomicapp/projectatomic-helloapache-89e975ea7438 
2016-03-01 20:59:57,067 - [INFO] - main.py - Action/Mode Selected is: stop
2016-03-01 20:59:57,075 - [WARNING] - plugin.py - Configuration option 'providerconfig' not found
2016-03-01 20:59:57,075 - [WARNING] - plugin.py - Configuration option 'providerconfig' not found
2016-03-01 20:59:57,075 - [INFO] - kubernetes.py - Using namespace default
2016-03-01 20:59:57,075 - [INFO] - kubernetes.py - trying kubectl at /host/usr/bin/kubectl
2016-03-01 20:59:57,075 - [INFO] - kubernetes.py - trying kubectl at /host/usr/local/bin/kubectl
2016-03-01 20:59:57,075 - [INFO] - kubernetes.py - found kubectl at /host/usr/local/bin/kubectl
2016-03-01 20:59:57,075 - [INFO] - kubernetes.py - Undeploying from Kubernetes