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lab01-iaas.md

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Lab 1 - AWS EC2

Criando a instancia

Usaremos a imagem oficial Amazon Linux para aprender alguns conceitos importantes do EC2:

  1. Acessar o serviço EC2:

  2. Lançar o assistente de criaçao de instancias:

  3. Escolher a imagem do Amazon Linux 2 AMI:

  4. Escolher o flavor t2.micro:

  5. Usaremos um script de cloud-init para customizar a instância:

  6. Confirmar criaçao da instância:

  7. Criaçao da chave para poder acessar a instância via SSH de forma segura:

  8. Validar a criacao da instância:

Accessando à instancia

  1. Seguiremos as próprias indicações do EC2:

  2. Em um terminal local:

    $ chmod 400 fiap.pem
$ ssh -i "fiap.pem" ec2-user@ec2-52-91-146-116.compute-1.amazonaws.com

   __|  __|_  )
   _|  (     /   Amazon Linux 2 AMI
  ___|\___|___|

https://aws.amazon.com/amazon-linux-2/
[ec2-user@ip-172-31-50-1 ~]$

  3. Confirmar que o script de cloud-init rodou com sucesso:

$ ls /tmp/
cloudInitFunciona

Instalando um servidor web

  1. Instalar o pacote httpd:
[ec2-user@ip-172-31-50-1 ~]$ sudo yum install -y httpd
Failed to set locale, defaulting to C
Loaded plugins: extras_suggestions, langpacks, priorities, update-motd
amzn2-core                                                                                                                     | 2.4 kB  00:00:00     
Resolving Dependencies
--> Running transaction check
---> Package httpd.x86_64 0:2.4.43-1.amzn2 will be installed
--> Processing Dependency: httpd-tools = 2.4.43-1.amzn2 for package: httpd-2.4.43-1.amzn2.x86_64
--> Processing Dependency: httpd-filesystem = 2.4.43-1.amzn2 for package: httpd-2.4.43-1.amzn2.x86_64
--> Processing Dependency: system-logos-httpd for package: httpd-2.4.43-1.amzn2.x86_64
--> Processing Dependency: mod_http2 for package: httpd-2.4.43-1.amzn2.x86_64
--> Processing Dependency: httpd-filesystem for package: httpd-2.4.43-1.amzn2.x86_64
--> Processing Dependency: /etc/mime.types for package: httpd-2.4.43-1.amzn2.x86_64
--> Processing Dependency: libaprutil-1.so.0()(64bit) for package: httpd-2.4.43-1.amzn2.x86_64
--> Processing Dependency: libapr-1.so.0()(64bit) for package: httpd-2.4.43-1.amzn2.x86_64
--> Running transaction check
---> Package apr.x86_64 0:1.6.3-5.amzn2.0.2 will be installed
---> Package apr-util.x86_64 0:1.6.1-5.amzn2.0.2 will be installed
--> Processing Dependency: apr-util-bdb(x86-64) = 1.6.1-5.amzn2.0.2 for package: apr-util-1.6.1-5.amzn2.0.2.x86_64
---> Package generic-logos-httpd.noarch 0:18.0.0-4.amzn2 will be installed
---> Package httpd-filesystem.noarch 0:2.4.43-1.amzn2 will be installed
---> Package httpd-tools.x86_64 0:2.4.43-1.amzn2 will be installed
---> Package mailcap.noarch 0:2.1.41-2.amzn2 will be installed
---> Package mod_http2.x86_64 0:1.15.3-2.amzn2 will be installed
--> Running transaction check
---> Package apr-util-bdb.x86_64 0:1.6.1-5.amzn2.0.2 will be installed
--> Finished Dependency Resolution

Dependencies Resolved

======================================================================================================================================================
 Package                                  Arch                        Version                                   Repository                       Size
======================================================================================================================================================
Installing:
 httpd                                    x86_64                      2.4.43-1.amzn2                            amzn2-core                      1.3 M
Installing for dependencies:
 apr                                      x86_64                      1.6.3-5.amzn2.0.2                         amzn2-core                      118 k
 apr-util                                 x86_64                      1.6.1-5.amzn2.0.2                         amzn2-core                       99 k
 apr-util-bdb                             x86_64                      1.6.1-5.amzn2.0.2                         amzn2-core                       19 k
 generic-logos-httpd                      noarch                      18.0.0-4.amzn2                            amzn2-core                       19 k
 httpd-filesystem                         noarch                      2.4.43-1.amzn2                            amzn2-core                       23 k
 httpd-tools                              x86_64                      2.4.43-1.amzn2                            amzn2-core                       87 k
 mailcap                                  noarch                      2.1.41-2.amzn2                            amzn2-core                       31 k
 mod_http2                                x86_64                      1.15.3-2.amzn2                            amzn2-core                      146 k

Transaction Summary
======================================================================================================================================================
Install  1 Package (+8 Dependent packages)

Total download size: 1.8 M
Installed size: 5.1 M
Downloading packages:
(1/9): apr-util-1.6.1-5.amzn2.0.2.x86_64.rpm                                                                                   |  99 kB  00:00:00     
(2/9): apr-util-bdb-1.6.1-5.amzn2.0.2.x86_64.rpm                                                                               |  19 kB  00:00:00     
(3/9): apr-1.6.3-5.amzn2.0.2.x86_64.rpm                                                                                        | 118 kB  00:00:00     
(4/9): generic-logos-httpd-18.0.0-4.amzn2.noarch.rpm                                                                           |  19 kB  00:00:00     
(5/9): httpd-filesystem-2.4.43-1.amzn2.noarch.rpm                                                                              |  23 kB  00:00:00     
(6/9): httpd-2.4.43-1.amzn2.x86_64.rpm                                                                                         | 1.3 MB  00:00:00     
(7/9): httpd-tools-2.4.43-1.amzn2.x86_64.rpm                                                                                   |  87 kB  00:00:00     
(8/9): mailcap-2.1.41-2.amzn2.noarch.rpm                                                                                       |  31 kB  00:00:00     
(9/9): mod_http2-1.15.3-2.amzn2.x86_64.rpm                                                                                     | 146 kB  00:00:00     
------------------------------------------------------------------------------------------------------------------------------------------------------
Total                                                                                                                 6.2 MB/s | 1.8 MB  00:00:00     
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
  Installing : apr-1.6.3-5.amzn2.0.2.x86_64                                                                                                       1/9 
  Installing : apr-util-bdb-1.6.1-5.amzn2.0.2.x86_64                                                                                              2/9 
  Installing : apr-util-1.6.1-5.amzn2.0.2.x86_64                                                                                                  3/9 
  Installing : httpd-tools-2.4.43-1.amzn2.x86_64                                                                                                  4/9 
  Installing : generic-logos-httpd-18.0.0-4.amzn2.noarch                                                                                          5/9 
  Installing : mailcap-2.1.41-2.amzn2.noarch                                                                                                      6/9 
  Installing : httpd-filesystem-2.4.43-1.amzn2.noarch                                                                                             7/9 
  Installing : mod_http2-1.15.3-2.amzn2.x86_64                                                                                                    8/9 
  Installing : httpd-2.4.43-1.amzn2.x86_64                                                                                                        9/9 
  Verifying  : apr-util-1.6.1-5.amzn2.0.2.x86_64                                                                                                  1/9 
  Verifying  : apr-util-bdb-1.6.1-5.amzn2.0.2.x86_64                                                                                              2/9 
  Verifying  : httpd-2.4.43-1.amzn2.x86_64                                                                                                        3/9 
  Verifying  : mod_http2-1.15.3-2.amzn2.x86_64                                                                                                    4/9 
  Verifying  : httpd-filesystem-2.4.43-1.amzn2.noarch                                                                                             5/9 
  Verifying  : apr-1.6.3-5.amzn2.0.2.x86_64                                                                                                       6/9 
  Verifying  : mailcap-2.1.41-2.amzn2.noarch                                                                                                      7/9 
  Verifying  : generic-logos-httpd-18.0.0-4.amzn2.noarch                                                                                          8/9 
  Verifying  : httpd-tools-2.4.43-1.amzn2.x86_64                                                                                                  9/9 

Installed:
  httpd.x86_64 0:2.4.43-1.amzn2                                                                                                                       

Dependency Installed:
  apr.x86_64 0:1.6.3-5.amzn2.0.2                      apr-util.x86_64 0:1.6.1-5.amzn2.0.2              apr-util-bdb.x86_64 0:1.6.1-5.amzn2.0.2        
  generic-logos-httpd.noarch 0:18.0.0-4.amzn2         httpd-filesystem.noarch 0:2.4.43-1.amzn2         httpd-tools.x86_64 0:2.4.43-1.amzn2            
  mailcap.noarch 0:2.1.41-2.amzn2                     mod_http2.x86_64 0:1.15.3-2.amzn2               

Complete!
  1. Habilitar o serviço httpd:
[ec2-user@ip-172-31-50-1 ~]$ sudo service httpd start  
Redirecting to /bin/systemctl start httpd.service
  1. Criar um site de teste, no arquivo /var/www/html/index.html:
<h1>
   FIAP!!!
</h1>
  1. Testar localmente o servidor web:
[ec2-user@ip-172-31-50-1 ~]$ curl localhost
<h1>
        FIAP!!!
</h1>

  1. Obter o IP público da VM:

  2. Testar accesso pelo IP público:

  3. Como era esperado, o acesso web não funcionou pois a porta HTTP (TCP/80) deve ser liberada nos security groups. Incluir uma liberação para esta porta no security group associado à instância:

  4. Testar novamente o acesso pelo IP público: