jclaret/ocp_45_D0180.md

## ocp_45_D0180.md

      
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              ocp_45_D0180.md
            
          
    NOTE: git clone https://github.com/yourgituser/DO180-apps
Creating Containerized Services

podman search rhel
podman pull rhel
podman images
podman run ubi7/ubi:latest echo 'RHEL Image is ready!'
podman run -d rhscl/httpd-24-rhel7:2.4-36.8
podman inspect -l -f "{{.NetworkSettings.IPAddress}}"
curl http://<ip_address>:8080
podman run -it ubi7/ubi:7.7 /bin/bash
podman run -e VAR1=hola -e VAR2=podman rhel7:7.5 printenv VAR1 VAR2
podman run --name mysql-basic 

-e MYSQL_USER=user -e MYSQL_PASSWORD=password 

-e MYSQL_DATABASE=items -e MYSQL_ROOT_PASSWORD=password 

-d rhscl/mysql-57-rhel7:5.7-3.14
podman ps --format "{{.ID}} {{.Image}} {{.Names}}"
podman exec -it mysql-basic /bin/bash
mysql> mysql -uroot
mysql> show databases;
mysql> use items;
mysql> show tables;
mysql> insert into Projects (id, name, code) values (1,'Project1','WinnerWinner');
mysql> select * from Projects;
mysql> exit
podman run -d -p 8080:80 --name httpd-basic redhattraining/httpd-parent:2.4
curl http://localhost:8080
podman exec -it httpd-basic /bin/bash
echo "Winner Winner, Chicken Dinner" > /var/www/html/index.html
curl http://localhost:8080
Creating Containers

podman run rhscl/httpd-24-rhel7
podman ps
podman run --name my-httpd-container rhscl/httpd-24-rhel7
podman run --name my-httpd-container -d rhscl/httpd-24-rhel7
podman run rhscl/httpd-24-rhel7 ls /tmp
podman run -it rhscl/httpd-24-rhel7 /bin/bash
podman exec 11d6e671a611 cat /etc/hostname
podman exec my-httpd-container cat /etc/hostname
podman exec -l cat /etc/hostname
podman ps
podman ps -a
podman inspect my-httpd-container
podman inspect -f '{{ .NetworkSettings.IPAddress }}' my-httpd-container
podman stop my-httpd-container
podman kill my-httpd-container
podman kill -s SIGKILL my-httpd-container
podman restart my-httpd-container
podman rm my-httpd-container
podman rm -a
podman stop -a
podman run --name mysql-db rhscl/mysql-57-rhel7
podman logs mysql-db
podman run --name mysql 

-d -e MYSQL_USER=user -e MYSQL_PASSWORD=password 

-e MYSQL_DATABASE=items -e MYSQL_ROOT_PASSWORD=password 

rhscl/mysql-57-rhel7
podman ps
podman inspect -f '{{ .NetworkSettings.IPAddress }}' mysql
mysql -uuser1 -h 10.99.1.6 -p items
mysql> CREATE TABLE Projects (id int(11) NOT NULL, \
    name varchar(255) DEFAULT NULL, code varchar(255) DEFAULT NULL, \
    PRIMARY KEY (id));
mysql> insert into Projects (id, name, code) values (1,'WinnerWinner','Dinner');
mysql> exit
mysql -uuser1 -h 10.99.1.6 -ppassword items < manage-lifecycle/db.sql
podman run --name mysql-2 -it rhscl/mysql-57-rhel7 /bin/bash
mysql -uroot # Fail
podman ps -a --format="table {{.ID}} {{.Names}} {{.Status}}"
podman exec mysql /bin/bash -c 'mysql -uuser -p -e "select * from items.Projects;"'
Attaching Persistent Storage to Containers

mkdir /var/dbfiles; chown -R 27:27 /var/dbfiles
semanage fcontext -a -t container_file_t '/var/dbfiles(/.*)?'
restorecon -Rv /var/dbfiles
podman run -v /var/dbfiles:/var/lib/mysql rhmap47/mysql
mkdir -pv /var/local/mysql
semanage fcontext -a -t container_file_t '/var/local/mysql(/.*)?'
restorecon -R /var/local/mysql; ls -dZ /var/local/mysql
chown -Rv 27:27 /var/local/mysql
podman pull rhscl/mysql-57-rhel7
podman run --name persist-db \

-d -v /var/local/mysql:/var/lib/mysql/data 

-e MYSQL_USER=user1 -e MYSQL_PASSWORD=mypa55 

-e MYSQL_DATABASE=items -e MYSQL_ROOT_PASSWORD=r00tpa55 

rhscl/mysql-57-rhel7

podman ps --format="table {{.ID}} {{.Names}} {{.Status}}"
ls -l /var/local/mysql
Creating a Custom Apache Container Image

podman login quay.io
podman exec -it official-httpd /bin/bash
echo "Winner Winner, Chicken Dinner" > /var/www/html/winner.html;  exit
curl 127.0.0.1:8180/winner.html
podman inspect -f "{{range .Mounts}}{{println .Destination}}{{end}}" official-httpd
podman diff official-httpd
podman stop official-httpd
podman images
source /usr/local/etc/ocp4.config
podman tag do180-custom-httpd quay.io/${RHT_OCP4_QUAY_USER}/do180-custom-httpd:v1.0
podman images
podman push quay.io/${RHT_OCP4_QUAY_USER}/do180-custom-httpd:v1.0
podman pull -q quay.io/${RHT_OCP4_QUAY_USER}/do180-custom-httpd:v1.0
podman run -d --name test-httpd -p 8280:80 ${RHT_OCP4_QUAY_USER}/do180-custom-httpd:v1.0
curl http://localhost:8280/winner.html
podman search docker.io/nginx
podman pull docker.io/nginx:1.17
podman run --name official-nginx -d -p 8080:80 docker.io/nginx:1.17
podman exec -it official-nginx /bin/bash
echo 'Winner Winner' > /usr/share/nginx/html/index.html; exit
curl 127.0.0.1:8080
podman stop official-nginx
podman commit -a 'Your Name' official-nginx do180/mynginx:v1.0-SNAPSHOT
podman images
podman run --name official-nginx-dev -d -p 8080:80 do180/mynginx:v1.0-SNAPSHOT
podman exec -it official-nginx-dev /bin/bash
echo 'Chicken Dinner' > /usr/share/nginx/html/index.html; exit
curl 127.0.0.1:8080
podman stop official-nginx-dev
podman commit -a 'Your Name' official-nginx-dev do180/mynginx:v1.0
podman ps -a --format="{{.ID}} {{.Names}} {{.Status}}"
podman rm official-nginx-dev
podman ps -a --format="{{.ID}} {{.Names}} {{.Status}}"
podman rmi do180/mynginx:v1.0-SNAPSHOT
podman images
podman run -d --name my-nginx -p 8280:80 do180/mynginx:v1.0
curl 127.0.0.1:8280
Creating Custom Container Images

vim labs/dockerfile-review/Dockerfile
FROM ubi7/ubi:7.7

MAINTAINER Your Name <youremail>

ENV PORT 8080

RUN yum install -y httpd && \
    yum clean all

RUN sed -ri -e "/^Listen 80/c\Listen ${PORT}" /etc/httpd/conf/httpd.conf && \
    chown -R apache:apache /etc/httpd/logs/ && \
    chown -R apache:apache /run/httpd/

USER apache

# Expose the custom port that you provided in the ENV var
EXPOSE ${PORT}

# Copy all files under src/ folder to Apache DocumentRoot (/var/www/html)
COPY ./src/ /var/www/html/

# Start Apache in the foreground
CMD ["httpd", "-D", "FOREGROUND"]

podman build -t do180/custom-apache .
podman images
podman run -d --name dockerfile -p 20080:8080 do180/custom-apache
podman ps
curl 127.0.0.1:20080