learn(tf): practising local-exec in dept

AWS Automation/env.txt

@@ -0,0 +1,65 @@
+GJS_DEBUG_TOPICS=JS ERROR;JS LOG
+LESSOPEN=| /usr/bin/lesspipe %s
+USER=dev
+XDG_SESSION_TYPE=x11
+GIT_ASKPASS=/usr/share/code/resources/app/extensions/git/dist/askpass.sh
+host=localhost
+SHLVL=1
+HOME=/home/dev
+CHROME_DESKTOP=code-url-handler.desktop
+TERM_PROGRAM_VERSION=1.90.1
+DESKTOP_SESSION=ubuntu
+NVM_BIN=/home/dev/.nvm/versions/node/v20.9.0/bin
+NVM_INC=/home/dev/.nvm/versions/node/v20.9.0/include/node
+GIO_LAUNCHED_DESKTOP_FILE=/usr/share/applications/code.desktop
+GNOME_SHELL_SESSION_MODE=ubuntu
+GTK_MODULES=gail:atk-bridge
+VSCODE_GIT_ASKPASS_MAIN=/usr/share/code/resources/app/extensions/git/dist/askpass-main.js
+VSCODE_GIT_ASKPASS_NODE=/usr/share/code/code
+MANAGERPID=2844
+SYSTEMD_EXEC_PID=3212
+GSM_SKIP_SSH_AGENT_WORKAROUND=true
+DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1000/bus
+COLORTERM=truecolor
+GIO_LAUNCHED_DESKTOP_FILE_PID=6887
+NVM_DIR=/home/dev/.nvm
+DEBUGINFOD_URLS=https://debuginfod.ubuntu.com 
+LOGNAME=dev
+JOURNAL_STREAM=8:25652
+_=/usr/local/bin/terraform
+MEMORY_PRESSURE_WATCH=/sys/fs/cgroup/user.slice/user-1000.slice/user@1000.service/session.slice/org.gnome.Shell@x11.service/memory.pressure
+XDG_SESSION_CLASS=user
+USERNAME=dev
+TERM=xterm-256color
+GNOME_DESKTOP_SESSION_ID=this-is-deprecated
+WINDOWPATH=2
+PATH=/home/dev/.nvm/versions/node/v20.9.0/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin:/snap/bin:/usr/bin:/usr/bin:/usr/bin:/usr/bin
+SESSION_MANAGER=local/dev-B85M-D3H:@/tmp/.ICE-unix/3181,unix/dev-B85M-D3H:/tmp/.ICE-unix/3181
+INVOCATION_ID=fb3e46bff8544e66ac1ab89ca0359f21
+XDG_MENU_PREFIX=gnome-
+XDG_RUNTIME_DIR=/run/user/1000
+GDK_BACKEND=x11
+DISPLAY=:1
+LANG=en_US.UTF-8
+XDG_CURRENT_DESKTOP=Unity
+XMODIFIERS=@im=ibus
+XDG_SESSION_DESKTOP=ubuntu
+XAUTHORITY=/run/user/1000/gdm/Xauthority
+LS_COLORS=rs=0:di=01;34:ln=01;36:mh=00:pi=40;33:so=01;35:do=01;35:bd=40;33;01:cd=40;33;01:or=40;31;01:mi=00:su=37;41:sg=30;43:ca=00:tw=30;42:ow=34;42:st=37;44:ex=01;32:*.tar=01;31:*.tgz=01;31:*.arc=01;31:*.arj=01;31:*.taz=01;31:*.lha=01;31:*.lz4=01;31:*.lzh=01;31:*.lzma=01;31:*.tlz=01;31:*.txz=01;31:*.tzo=01;31:*.t7z=01;31:*.zip=01;31:*.z=01;31:*.dz=01;31:*.gz=01;31:*.lrz=01;31:*.lz=01;31:*.lzo=01;31:*.xz=01;31:*.zst=01;31:*.tzst=01;31:*.bz2=01;31:*.bz=01;31:*.tbz=01;31:*.tbz2=01;31:*.tz=01;31:*.deb=01;31:*.rpm=01;31:*.jar=01;31:*.war=01;31:*.ear=01;31:*.sar=01;31:*.rar=01;31:*.alz=01;31:*.ace=01;31:*.zoo=01;31:*.cpio=01;31:*.7z=01;31:*.rz=01;31:*.cab=01;31:*.wim=01;31:*.swm=01;31:*.dwm=01;31:*.esd=01;31:*.avif=01;35:*.jpg=01;35:*.jpeg=01;35:*.mjpg=01;35:*.mjpeg=01;35:*.gif=01;35:*.bmp=01;35:*.pbm=01;35:*.pgm=01;35:*.ppm=01;35:*.tga=01;35:*.xbm=01;35:*.xpm=01;35:*.tif=01;35:*.tiff=01;35:*.png=01;35:*.svg=01;35:*.svgz=01;35:*.mng=01;35:*.pcx=01;35:*.mov=01;35:*.mpg=01;35:*.mpeg=01;35:*.m2v=01;35:*.mkv=01;35:*.webm=01;35:*.webp=01;35:*.ogm=01;35:*.mp4=01;35:*.m4v=01;35:*.mp4v=01;35:*.vob=01;35:*.qt=01;35:*.nuv=01;35:*.wmv=01;35:*.asf=01;35:*.rm=01;35:*.rmvb=01;35:*.flc=01;35:*.avi=01;35:*.fli=01;35:*.flv=01;35:*.gl=01;35:*.dl=01;35:*.xcf=01;35:*.xwd=01;35:*.yuv=01;35:*.cgm=01;35:*.emf=01;35:*.ogv=01;35:*.ogx=01;35:*.aac=00;36:*.au=00;36:*.flac=00;36:*.m4a=00;36:*.mid=00;36:*.midi=00;36:*.mka=00;36:*.mp3=00;36:*.mpc=00;36:*.ogg=00;36:*.ra=00;36:*.wav=00;36:*.oga=00;36:*.opus=00;36:*.spx=00;36:*.xspf=00;36:*~=00;90:*#=00;90:*.bak=00;90:*.crdownload=00;90:*.dpkg-dist=00;90:*.dpkg-new=00;90:*.dpkg-old=00;90:*.dpkg-tmp=00;90:*.old=00;90:*.orig=00;90:*.part=00;90:*.rej=00;90:*.rpmnew=00;90:*.rpmorig=00;90:*.rpmsave=00;90:*.swp=00;90:*.tmp=00;90:*.ucf-dist=00;90:*.ucf-new=00;90:*.ucf-old=00;90:
+VSCODE_GIT_IPC_HANDLE=/run/user/1000/vscode-git-145185e0d2.sock
+TERM_PROGRAM=vscode
+SSH_AUTH_SOCK=/run/user/1000/keyring/ssh
+ORIGINAL_XDG_CURRENT_DESKTOP=ubuntu:GNOME
+SHELL=/bin/bash
+QT_ACCESSIBILITY=1
+GDMSESSION=ubuntu
+LESSCLOSE=/usr/bin/lesspipe %s %s
+GPG_AGENT_INFO=/run/user/1000/gnupg/S.gpg-agent:0:1
+GJS_DEBUG_OUTPUT=stderr
+VSCODE_GIT_ASKPASS_EXTRA_ARGS=
+QT_IM_MODULE=ibus
+PWD=/home/dev/Desktop/Terraform Learning /AWS Automation
+XDG_CONFIG_DIRS=/etc/xdg/xdg-ubuntu:/etc/xdg
+NVM_CD_FLAGS=
+XDG_DATA_DIRS=/usr/share/ubuntu:/usr/share/gnome:/usr/local/share/:/usr/share/:/var/lib/snapd/desktop
+MEMORY_PRESSURE_WRITE=c29tZSAyMDAwMDAgMjAwMDAwMAA=

AWS Automation/instance.tf

@@ -7,35 +7,63 @@ resource "aws_instance" "First-TF-Instance" {
   tags = {
     Name = "First-TF-Instance"
   }
+  # This will run the script.sh file on the EC2 instance
   user_data = file("${path.module}/script.sh")
 
   connection {
+    # This will connect to the EC2 instance using SSH
+    # This will use the private key to connect to the EC2 instance
+    # This will use the ec2-user as the user
+    # This will use the public IP of the EC2 instance
     type        = "ssh"
     user        = "ec2-user"
     private_key = file("${path.module}/id_rsa")
     host        = self.public_ip
   }
   provisioner "file" {
-    source      = "Readme.MD"
-    destination = "/tmp/Readme.MD"
+    source      = "Readme.MD" # This file should be in the same directory as the instance.tf file
+    destination = "/tmp/Readme.MD" # This is the destination path on the EC2 instance
   }
   provisioner "file" {
-    content     = "This is test content"
+    content     = "This is test content" # This is the content that will be written to the file
     destination = "/tmp/Content.MD"
   }
   provisioner "file" {
-    source     = "test-folder"
+    source      = "test-folder" # This is the folder that will be copied to the EC2 instance
     destination = "/tmp/test-folder/"
   }
 
   provisioner "local-exec" {
-    command = "echo ${self.public_ip} > ip_address.txt " 
+    command = "echo ${self.public_ip} > ip_address.txt " # This will write the public IP of the EC2 instance to the file
   }
+
   provisioner "local-exec" {
-    interpreter = [ 
+    interpreter = [
       "/usr/bin/python3", "-c"
-     ]
-     command = "print('Hello World')"
+    ]
+    command = "print('Hello World')" # This will run the python code on the local machine
+  }
+
+  provisioner "local-exec" {
+    # This will run only once when the resource is created
+    # This will create a file with the environment variables
+    command = "env > env.txt"
+    environment = {
+      host = "localhost"
+    }
+
   }
 
+  provisioner "local-exec" {
+    when    = destroy # This will only run when the resource is destroyed
+    command = "echo 'Destroying...'"
+  }
+
+  provisioner "local-exec" {
+    # This will run only once when the resource is created
+    command = "echo 'Creating Resources...'"
+  }
+
 }
+
+

AWS Automation/ip_address.txt

@@ -1 +1 @@
-13.235.23.207
+3.110.212.213