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class mongodb {

    $add-key = "/usr/bin/apt-key adv --keyserver keyserver.ubuntu.com --recv 7F0CEB10"
    $mongodb-repo = "deb http://downloads-distro.mongodb.org/repo/ubuntu-upstart dist 10gen"

    Exec { require => Package["python-software-properties"] }

    exec { "add-10gen-key":
        command => $add-key,
        onlyif => "/usr/bin/apt-key list | /usr/bin/awk '$0 ~ /10gen/ { exit 1 }' /etc/apt/sources.list"
    }

    exec { "10gen-repo" :
        command => "/usr/bin/add-apt-repository '${mongodb-repo}'",
        require => Exec["add-10gen-key"],
        onlyif => "/usr/bin/awk '$0 ~ /10gen/ { exit 1 }' /etc/apt/sources.list"
    }

    $required-execs = [ "10gen-repo" ]

    exec { "mongodb-apt-ready" :
        command => "/usr/bin/apt-get update",
        require => Exec[$required-execs],
        onlyif => "/usr/bin/test ! -x /usr/bin/mongo"
    }

    package { [ "mongodb-10gen" ] :
        ensure => "installed",
        require => Exec["mongodb-apt-ready"]
    }

    service { "mongodb":
        ensure => "running",
        enable => "true",
        require => Package["mongodb-10gen"]
    }

    file { "/etc/mongodb.conf":
        notify => Service["mongodb"],
        mode => 600,
        owner => "root",
        group => "root",
        require => Package["mongodb-10gen"],
        content => template("mongodb/mongodb.conf.erb")
    }
}