Deploy to Nexus

With the following snippet you can deploy anything to Nexus. mvn deploy:deploy-file -DgroupId=com.somecompany -DartifactId=project -Dversion=1.0.0 -DgeneratePom=false -Dpackaging=jar -DrepositoryId=nexus -Durl=http://localhost:8081/nexus/content/repositories/releases -DpomFile=pom.xml -Dfile=target/project-1.0.0.jar

Ant as a script director

Hi, this entry on the blog is for using Ant as a scripting integration together with Groovy.

<‍project‍>
<‍property name="groovy.home" value="/home/vagrant/.sdkman/candidates/groovy/current/"/‍>
   <‍property name="groovy.version" value="X.Y.Z"/‍>
   <‍path id="groovy.classpath"‍>
     <‍fileset dir="${groovy.home}/lib"‍>
       <‍include name="**/*.jar"/‍>
     <‍/fileset‍>
   <‍/path‍>
<‍target name="targetSample"‍>
    <‍taskdef name="groovy" classname="org.codehaus.groovy.ant.Groovy" classpathref="groovy.classpath"/‍>
      
        ant.ant(antfile:'build.xml'){ // you antfile name
           target(name:'targetTest') // your targetName
           property(name:'param1',value:'theParamValue') // your params name and values
        }
        def salutation="Hello World"
        print(salutation)
       <‍/groovy‍>
 <‍/target‍>
<‍target name="targetTest"‍>
        <‍echo‍>Hola mundo Groovy! <‍/echo‍>
<‍/target‍>
<‍/project‍>

Output

Buildfile: /home/vagrant/ant-tests/build.xml

targetSample:

targetTest:
     [echo] Hola mundo Groovy!
Hello World

BUILD SUCCESSFUL
Total time: 1 second

Google Analytics from the command line

Use the following command

curl -d "v=1&tid=UA-104039318-1&cid=111&t=pageView&dp=/b/route&ds=web&cd3=GDL-MEX" 
-X POST www.google-analytics.com/collect

How to perform Single sign-on with Nginx

Insert within server section:

 location = /auth {
            internal;
            proxy_pass              http://localhost:8080/auth.jsp;
            proxy_pass_request_body off;
            proxy_set_header        Content-Length "";
            proxy_set_header        X-Original-URI $request_uri;
        }

        location /examples/ {
            auth_request     /auth;
            auth_request_set $userid $upstream_http_userid;
            auth_request_set $role $upstream_http_role;
            proxy_set_header X-UserId $userid;
            proxy_set_header X-Role $role;
            proxy_pass              http://localhost:8080/examples/;
        }

Converting Java to native code with GCJ

I recently discovered the power of gcc in order to create native executables from Java source code. You never know when are you going to need it, but just in case, is good to know that is there:

gcj -c -g -O MyJavaProg.java
gcj --main=MyJavaProg -o MyJavaProg MyJavaProg.o

Jenkins Pipelines.

Hey!!! I know it has been a while since my last post. It has been a very busy period in my life but now I wanted to take back my good habits and start writing posts related with software and infrastructure. Today I will start with Jenkins (the most usefull tool I have found in these days).

pipeline{
    agent any
    stages{
        stage ('logic artifact build'){
            steps{
                echo 'Fase I construyendo artefacto aplicacion'
                echo params.BRANCH
                build job: 'XXXXXX', parameters: [string(name: 'BRANCH', value: params.BRANCH)]
            }
        }
        stage ('build web app'){
            steps{
                echo 'Fase II construiyendo el Web'
                echo params.BRANCH
                build job: 'XXXXXX', parameters: [string(name: 'PARAM_BRANCH', value: params.BRANCH)]
            }
        }
        stage ('resource assembly'){
            steps{
                build 'APACHE_CONFIG'
                build 'PACKAGE_ZIP'
            }    
        }
        
    }
    post{
    always{
        echo 'Pipeline finished'
        echo params.BRANCH
    }
    success{
       echo 'Build was success'
    }
    failure{
       echo 'Build failed'
    }
  }
    
}

This DSL is a very basic PIPELINE job that can handle the construction, resource assembly, and deployment of the application. It's important to give your jobs parameters like branch, environment, etc... so you don't have to have a job for every environment.

Managing cache-control in Apache with UrlRewrite

Configuracion

 

 

 

Sinrewriter (sample.html)

> GET /sample.html HTTP/1.1

< HTTP/1.1 200 OK
< Date: Thu, 24 Jul 2014 18:30:04 GMT
* Server Apache/2.4.7 (Ubuntu) is not blacklisted
< Server: Apache/2.4.7 (Ubuntu)
< Last-Modified: Thu, 24 Jul 2014 17:30:06 GMT
< ETag: "d-4fef3cec9be73"
< Accept-Ranges: bytes
< Content-Length: 13
< Content-Type: text/html

Con rewriter (sample.jsp)

> GET /sample.jsp HTTP/1.1

< HTTP/1.1 200 OK
< Date: Thu, 24 Jul 2014 18:30:24 GMT
* Server Apache/2.4.7 (Ubuntu) is not blacklisted
< Server: Apache/2.4.7 (Ubuntu)
< Last-Modified: Thu, 24 Jul 2014 17:31:48 GMT
< ETag: "14-4fef3d4e06612"
< Accept-Ranges: bytes
< Content-Length: 20
< Pragma: no-cache
< Cache-Control: max-age=0, no-store, no-cache, must-revalidate

OpenSSL CMS comand line operation

Here comes the new recipe for this year related to encryption with Openssl. And yessss, we are still alive....

Web aplicaciones security checklist

Modern day web is mainly a hostile environment.




Accesing a H2 server database with PostgreSQL driver via ODBC

In order to setup a h2 instance we must start h2 daemon with the following syntax:
java -jar h2-1.3.163.jar -tcp -pg  -baseDir /temp/db2
This command line means :
start h2 in server mode, allowing connections only from localhost setting root database to /temp/db2.

Other interesting options are:

-tcpPort 9101

-tcpAllowOthers

-pgAllowOthers 

In order to create the database you must connect with admin user (SA and password recommended) for the very first time. For that you only need a jdbc connection.

If the database does not have a password for the SA user, you must set it with the folling command:
ALTER USER SA SET PASSWORD 'sa'


Then you can connect with a PostgreSQL client to the h2 database. 

OpenSSL Cheat sheet

Today I have found a very interesting web page http://wiki.samat.org/CheatSheet/OpenSSL it contains a lot of interesting recipes with short descriptions about functionallity.

OPENSSL CA

Selfsigned CA:
Steps
1) Create private key

openssl genrsa -aes128 -passout pass:foobar -out keys/privkey.pem 2048

2) Create public key

openssl req -new -x509 -days 1001 -key keys/privkey.pem -passin pass:foobar -out ca.cer <<EOF
>ES
>Spain
>Madrid
>Test
>Security
>AutoridadVal
>tt@none.es
>EOF

Script for data encryption with openssl

#!/bin/bash
export data=$2
openssl enc -blowfish -e -a -pass pass:$1 <<EOF
$data
EOF