Module: WdiTf::Cli

Defined in:
lib/wdi_tf/cli.rb

Constant Summary collapse

@@project_file = 
'Terraform.tfproj'
@@variables_file = 
'Terraform.tfvars'
@@allowed_cmds = 
['clean', 'plan', 'apply', 'destroy']

Class Method Summary collapse

Class Method Details

.get_cli_command(args: ARGV) ⇒ Object 



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# File 'lib/wdi_tf/cli.rb', line 40

def get_cli_command(args: ARGV)
    verbose("Get the Terraform command to run from the command line ARGVs.")
    
    cmd = ARGV.shift
    cmd ||= "plan"
    
    if not @@allowed_cmds.include?(cmd)
        error(msg: "Unknown command '#{ cmd }'.  Accepted commands: #{ @@allowed_cmds.join(', ') }")
    end
    
    return cmd
end

.load_opts(args: ARGV) ⇒ Object 



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# File 'lib/wdi_tf/cli.rb', line 16

def load_opts(args: ARGV)
    Trollop.options(args) do
        banner "            tf: Wrapper for Terraform\n            \n            Usage:\n              tf [options] COMMAND\n            \n            Commands:\n              clean     - cleans the workspace and returns it back to the original state.\n              plan      - runs 'terraform plan' on the workspace. (default)\n              apply     - runs 'terraform apply' on the workspace.\n              destroy   - runs 'teraform destroy' on the workspace.\n            \n            Options:\n        EOS\n        \n        opt :debug, 'Puts the wrapper into debug mode', type: TrueClass, default: nil\n        opt :verbose, 'Display more information to STDOUT', type: TrueClass, default: nil\n        \n        stop_on_unknown\n    end\nend\n".gsub(/^ {20}/, '')

.start ⇒ Object 



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# File 'lib/wdi_tf/cli.rb', line 53

def start
    opts = load_opts
    WdiTf::Funcs.set_verbose = opts[:verbose]
    
    cmd = get_cli_command
    
    @main = WdiTf::Main.new()
    @main.clean_workspace()
    
    if not cmd == "clean"
        info("Deploying the Terraform project.")

        if not File.exists?(@@project_file)
            error(msg: "Unable to locate your Terraform project file.", code: 1)
        end
        
        @project = WdiTf::Project.new(file: @@project_file)
        
        source = @project.load_source_files()
        variables = @project.load_vars_info()
        
        @main.generate_vars_file(file: @@variables_file, vars: variables)
        @main.build_workspace(files: source)
        @main.run_terraform(command: cmd, variables: @@variables_file)
        
        if opts[:debug]
            verbose("Leaving the workspace as is; in debug mode.")
        else
            @main.clean_workspace()
        end
    end
    
    info("Done!")
end