Installbfa.sh is a script for installing BFA on a Debian (or derived) system

README.md

@@ -16,7 +16,7 @@
    - `npm install web3`
 3. Install the BFA software:
    - `git clone https://gitlab.bfa.ar/blockchain/nucleo.git`
-4. `source ${HOME}/bfa/bin`
+4. `source ${HOME}/bfa/bin/env`
    - You can include this line in your .bash_profile if you want. It is perfectly safe to source it multiple times.
    - `echo 'source ${HOME}/bfa/bin' > ~/.bashrc`
 5. Add crontab to start on system reboot (if you are running a sealer you MUST do this):

bin/installbfa.sh

+#!/bin/bash
+
+NODEJSPGP=0x68576280
+
+trap 'exit 1' ERR
+set -o errtrace
+# Be verbose
+set -e
+
+if [ `id -u` -ne 0 ]
+then
+    exec sudo $0
+fi
+
+function    info
+{
+    echo
+    echo '***'
+    echo "*** $@"
+    echo '***'
+}
+
+function    yesno
+{
+    local defval=$1
+    shift
+    local yn="yN"
+    test "${defval,,}" = "y" &&
+        yn="Yn"
+    REPLY=
+    while [ "${REPLY}" != "y" -a "${REPLY}" != "n" ]
+    do
+        read -s -n 1 -p "${*}? [${yn}]: "
+        test -z "${REPLY}" &&
+            REPLY=${defval:0:1}
+        REPLY=${REPLY,,}
+        test "$REPLY" != "y" -a "$REPLY" != "n" &&
+            REPLY=
+    done
+    echo $REPLY
+    if [ "$REPLY" = "n" ]
+    then
+        return 1
+    fi
+    return 0
+}
+
+# For getting a recent nodejs
+function nodejs_pre
+{
+    info nodejs
+    pkgs="$pkgs nodejs"
+    # Nodejs software repository PGP key
+    if [ `apt-key export ${NODEJSPGP} 2>&1 | wc -l` -le 50 ]
+    then
+        yesno n Add nodejs software repository PGP key &&
+          apt-key adv --keyserver keyserver.ubuntu.com --recv ${NODEJSPGP}
+    fi
+    local file=/etc/apt/sources.list.d/nodejs.list
+    if [ ! -r "$file" ]
+    then
+        info Adding nodejs repository to apt sources.
+        echo "deb https://deb.nodesource.com/node_7.x $(lsb_release -sc) main" > $file
+        info And now updating the software package list.
+        apt update
+    fi
+}
+
+function nodejs_post
+{
+    info Initialising nodejs.
+    test -r "package.json" ||
+        npm init -y
+    # nodejs package(s) that we need.
+    nodejs -e 'require("web3")' 2>/dev/null && return
+    yesno n Installing nodejs module: web3
+    npm install web3
+}
+
+function golang_pre
+{
+    unset installedusrlocalgo
+    if [ ! -d /usr/local/go ]
+    then
+        installedusrlocalgo=1
+        info Downloading package of go binaries.
+        mkdir -p ~/new
+        cd       ~/new
+        local arch=
+        case "$(uname -m)" in
+            x86_64)
+                arch=amd64
+                ;;
+            *)
+                echo Do not know how to help you. >&2
+                exit 1
+                ;;
+        esac
+
+        #Download go*.linux-${ARCH}.tar.gz from https://golang.org/dl/
+        golangurl=$(
+            curl -f https://golang.org/dl/ 2>/dev/null |
+            grep linux-${arch}.tar.gz |
+            grep downloadBox |
+            sed 's/.*href="//;s/".*//' |
+            head -1
+        )
+        name=$( basename $golangurl )
+        if [ -r "$name" ]
+        then
+            # If we have the download, check if it is corrupt
+            tar -ztf "$name" >/dev/null 2>&1    ||
+            rm -f "$name"
+        fi
+        if [ ! -r "$name" ]
+        then
+            curl -f -O $golangurl               ||
+                rm -f "$name"
+        fi
+        # Integrity checking the archive
+        tar -xzf "$name"
+        info Unpacking $name into /usr/local
+        tar -C /usr/local -xzf go*.tar.gz
+    fi
+    PATH=${PATH}:/usr/local/go/bin
+}
+
+function geth_pre
+{
+    mkdir -p ~/new
+    cd       ~/new
+    info Download geth source code.
+    test -d go-ethereum ||
+        git clone https://github.com/ethereum/go-ethereum
+    cd      ~/new/go-ethereum
+    info Running git pull to ensure that the local go-ethereum repo is up-to-date.
+    git pull
+}
+
+function geth_compile
+{
+    cd ~/new/go-ethereum
+    info Compiling geth
+    make geth
+}
+
+function geth_post
+{
+    mkdir -p ~bfa/bin
+    cp -vp ~/new/go-ethereum/build/bin/geth ~bfa/bin/
+    chown -R bfa:bfa ~bfa
+}
+
+function aptinstall
+{
+    local inst=
+    for pkg in $pkgs
+    do
+        dpkg --verify $pkg 2>/dev/null ||
+            inst="$inst $pkg"
+    done
+    test -n "$inst"     &&
+        apt --install-suggests -y install $inst || true
+}
+
+function usersetup
+{
+    if echo ~bfa | grep -qvE '^/' && yesno n Add required user \"bfa\"
+    then
+        info Adding BFA user \"bfa\".
+        adduser --disabled-password --gecos 'Blockchain Federal Argentina' bfa
+    fi
+    cd ~bfa
+    # cloning if not done already
+    if [ ! -d ~bfa/bfa ]
+    then
+        git clone https://gitlab.bfa.ar/blockchain/nucleo.git bfa
+    fi
+    # updating
+    cd bfa
+    git pull
+    #
+    cd ~bfa
+    if expand < .bashrc | grep -Evq 'source .*bfa/bin/env'
+    then
+        info Adding to automatically source \~bfa/bfa/bin/env via .bashrc
+        echo 'source ~/bfa/bin/env' >> .bashrc
+    fi
+}
+
+function golang_post
+{
+    if [ -n "${installedusrlocalgo}" ]
+    then
+        yesno n Remove unneeded go installation /usr/local/go &&
+            rm -rf /usr/local/go
+    fi
+}
+
+function cronit
+{
+    if crontab -u bfa -l | expand | grep -qvE '^@reboot +bfa/bin/cron.sh$'
+    then
+        yesno n Install crontab to start automatically upon reboot || return
+        ( crontab -u bfa -l ; echo '@reboot bfa/bin/cron.sh' ) | crontab -u bfa -
+    fi
+}
+
+function welcome
+{
+    echo
+    echo "(re)log in as user bfa"
+}
+
+
+# development tools
+pkgs="$pkgs curl build-essential git"
+nodejs_pre
+aptinstall
+usersetup
+nodejs_post
+golang_pre
+geth_pre
+geth_compile
+geth_post
+golang_post
+cronit
+welcome