| 1 | #!/usr/bin/env bash |
| 2 |
|
| 3 | # Script variables |
| 4 | PYTHON_MAJOR=3 |
| 5 | PYTHON_MINOR=7 |
| 6 | ACCEPTABLE_PYTHON_COMMANDS="python3 python3.10 python3.9 python3.8 python3.7 python" |
| 7 | PYTHON_COMMAND= |
| 8 |
|
| 9 | SCRIPT_SOURCE_DIR=$(dirname -- "${BASH_SOURCE[0]}") |
| 10 |
|
| 11 | # If pip modules are named differently from their internal Python modules, the |
| 12 | # requirements.txt file will use the format `pip_name:py_name` per line for |
| 13 | # each requirement. |
| 14 | while read -r requirement |
| 15 | do |
| 16 | [[ $requirement =~ ^#.* ]] && continue # Ignore comment line |
| 17 | REQUIRED_PIP_MODULES="$REQUIRED_PIP_MODULES $(sed -r "s/:.*//g" <<< $requirement)" |
| 18 | REQUIRED_PYTHON_MODULES="$REQUIRED_PYTHON_MODULES $(sed -r "s/.*://g" <<< $requirement)" |
| 19 | done < $SCRIPT_SOURCE_DIR/requirements.txt |
| 20 |
|
| 21 | # Plumbing |
| 22 | set -o pipefail |
| 23 |
|
| 24 | RESTORE=$(echo -en '\033[0m') |
| 25 | STANDOUT=$(echo -en '\033[7m') |
| 26 | RED=$(echo -en '\033[00;31m') |
| 27 | GREEN=$(echo -en '\033[00;32m') |
| 28 | YELLOW=$(echo -en '\033[00;33m') |
| 29 | PURPLE=$(echo -en '\033[00;35m') |
| 30 | LIGHTGRAY=$(echo -en '\033[00;37m') |
| 31 | LRED=$(echo -en '\033[01;31m') |
| 32 | LGREEN=$(echo -en '\033[01;32m') |
| 33 | LYELLOW=$(echo -en '\033[01;33m') |
| 34 | LBLUE=$(echo -en '\033[01;34m') |
| 35 | LCYAN=$(echo -en '\033[01;36m') |
| 36 |
|
| 37 |
|
| 38 |
|
| 39 | function usage { |
| 40 | echo "Usage: sudo $0 <prod|test>" |
| 41 | exit 0 |
| 42 | } |
| 43 |
|
| 44 | if [ "$EUID" -ne 0 ]; then |
| 45 | echo "error: must run as root" |
| 46 | usage |
| 47 | fi |
| 48 |
|
| 49 | # Handle argument input |
| 50 | case $1 in |
| 51 | prod) |
| 52 | ;; |
| 53 | test) |
| 54 | ;; |
| 55 | *) |
| 56 | usage |
| 57 | ;; |
| 58 | esac |
| 59 |
|
| 60 | MODE=$1 |
| 61 |
|
| 62 | # Determine Python interpreter to use. Takes from list of acceptable |
| 63 | # interpreters if user didn't supply one. |
| 64 | echo "${LIGHTGRAY}Determining Python interpreter${RESTORE}" |
| 65 | if [ -z $PYTHON_COMMAND ]; then |
| 66 | for COMMAND in $ACCEPTABLE_PYTHON_COMMANDS |
| 67 | do |
| 68 | if command -v $COMMAND &> /dev/null; then |
| 69 | PYTHON_COMMAND=$COMMAND |
| 70 | break |
| 71 | fi |
| 72 | done |
| 73 | fi |
| 74 |
|
| 75 | # Expand interpreter command, verify with `import sys` test instruction |
| 76 | PYTHON_COMMAND=$(command -v $PYTHON_COMMAND) |
| 77 | if [ -z $PYTHON_COMMAND ]; then |
| 78 | echo " ${BOLD}${LRED}Python interpreter not found${RESTORE}" |
| 79 | exit 1 |
| 80 | fi |
| 81 | if [ -h "$PYTHON_COMMAND" ]; then |
| 82 | PYTHON_COMMAND=$(readlink -f $PYTHON_COMMAND) # Expand symlink, if "python3" |
| 83 | fi |
| 84 | echo " Trying interpreter [ ${LYELLOW}$PYTHON_COMMAND${RESTORE} ]" |
| 85 | if ! $PYTHON_COMMAND -c "import sys"; then |
| 86 | echo " ${BOLD}${LRED}Executable is not a Python interpreter${RESTORE}" |
| 87 | exit 1 |
| 88 | fi |
| 89 |
|
| 90 | # Verifying installed Python version meets minimum requirements |
| 91 | echo "${LIGHTGRAY}Checking Python version${RESTORE} [ needs ${LIGHTGRAY}>=$PYTHON_MAJOR.$PYTHON_MINOR${RESTORE} ]" |
| 92 | PYTHON_VERSION_STRING=$($PYTHON_COMMAND -c "print('.'.join([str(a) for a in __import__('sys').version_info[:3]]))") |
| 93 | if ! $PYTHON_COMMAND -c "import sys;exit(not(sys.version_info.major==$PYTHON_MAJOR and sys.version_info.minor>=$PYTHON_MINOR))"; then |
| 94 | echo " ${RED}Python version must be ${RESTORE}[ ${LCYAN}>=$PYTHON_MAJOR.$PYTHON_MINOR${RESTORE} ]${RED}."\ |
| 95 | "Installed is ${RESTORE}[ ${LCYAN}$PYTHON_VERSION_STRING${RESTORE} ]" |
| 96 | exit 1 |
| 97 | fi |
| 98 | echo " Version [ ${LCYAN}$PYTHON_VERSION_STRING${RESTORE} ] acceptable" |
| 99 |
|
| 100 | # Verifying required modules are installed |
| 101 | echo "${LIGHTGRAY}Checking Python modules installed${RESTORE}" |
| 102 | for MODULE in $(seq 1 $(wc -w <<< $REQUIRED_PIP_MODULES)) |
| 103 | do |
| 104 | PIP_MODULE=$(awk -v N=$MODULE '{print $N}' <<< "$REQUIRED_PIP_MODULES") |
| 105 | PYTHON_MODULE=$(awk -v N=$MODULE '{print $N}' <<< "$REQUIRED_PYTHON_MODULES") |
| 106 | if ! $PYTHON_COMMAND -c "import $PYTHON_MODULE" &> /dev/null; then |
| 107 | echo " ${BOLD}${LRED}Required Python module ${RESTORE}[ ${BOLD}${LBLUE}$PYTHON_MODULE${RESTORE} ] ${BOLD}${LRED}not found.${RESTORE}" |
| 108 | echo " Attempting install with ${PURPLE}$PYTHON_COMMAND -m pip install $PIP_MODULE${RESTORE}" |
| 109 | $PYTHON_COMMAND -m pip install $PIP_MODULE |
| 110 | if ! $PYTHON_COMMAND -c "import $PYTHON_MODULE" &> /dev/null; then |
| 111 | echo " ${BOLD}${LRED}Required Python module ${RESTORE}[ ${BOLD}${LBLUE}$PYTHON_MODULE${RESTORE} ] ${BOLD}${LRED}not found${RESTORE}" |
| 112 | exit 1 |
| 113 | fi |
| 114 | fi |
| 115 | echo " Module [ ${LBLUE}$PYTHON_MODULE${RESTORE} ] found" |
| 116 | done |
| 117 | echo " ${GREEN}All required modules found${RESTORE}" |
| 118 |
|
| 119 | function runcmd { # Indents program output before passing to stdout |
| 120 | "$@" 2>&1 | sed 's/^/ /'; |
| 121 | } |
| 122 |
|
| 123 |
|
| 124 | # Run templating engine for static site content |
| 125 | echo "${LIGHTGRAY}Running HTML templating script${RESTORE}" |
| 126 | runcmd $SCRIPT_SOURCE_DIR/build.py $HTML_OUT |
| 127 | if [ $? != 0 ]; then |
| 128 | echo " ${BOLD}${LRED}Error running templating script${RESTORE}" |
| 129 | exit 1 |
| 130 | else |
| 131 | echo " ${GREEN}Templating successful${RESTORE}" |
| 132 | fi |
| 133 |
|
| 134 | echo "${LIGHTGRAY}Copying templated files${RESTORE}" |
| 135 | runcmd rm -rv /var/www/josh |
| 136 | runcmd mkdir -p /var/www/josh |
| 137 | runcmd cp -rv $SCRIPT_SOURCE_DIR/build/* /var/www/josh |
| 138 | echo " ${GREEN}Files copied successfully${RESTORE}" |
| 139 |
|
| 140 | # Install nginx configuration |
| 141 | echo "${LIGHTGRAY}Installing nginx configuration${RESTORE}" |
| 142 | if [ ! -f $SCRIPT_SOURCE_DIR/nginx/nginx.conf ]; then |
| 143 | echo " ${BOLD}${LRED}Core configuration file ${RESTORE}[ ${BOLD}${LBLUE}$SCRIPT_SOURCE_DIR/nginx/nginx.conf${RESTORE} ] ${BOLD}${LRED}not found${RESTORE}" |
| 144 | exit 1 |
| 145 | fi |
| 146 | runcmd cp -v $SCRIPT_SOURCE_DIR/nginx/nginx.conf /etc/nginx/nginx.conf |
| 147 | if [ ! -d $SCRIPT_SOURCE_DIR/nginx/$MODE ]; then |
| 148 | echo " ${BOLD}${LRED}Directory ${RESTORE}[ ${BOLD}${LBLUE}$SCRIPT_SOURCE_DIR/nginx/$MODE${RESTORE} ] ${BOLD}${LRED}not found${RESTORE}" |
| 149 | exit 1 |
| 150 | fi |
| 151 | runcmd rm -rv /etc/nginx/sites/joshstock.in |
| 152 | runcmd mkdir -p /etc/nginx/sites/joshstock.in |
| 153 | runcmd cp -rv $SCRIPT_SOURCE_DIR/nginx/$MODE/* /etc/nginx/sites/joshstock.in |
| 154 | echo " ${GREEN}nginx configuration successfully installed${RESTORE}" |
| 155 |
|
| 156 | # Install configuration for resty-gitweb subdomain |
| 157 | echo "${LIGHTGRAY}Installing resty-gitweb configuration${RESTORE}" |
| 158 | if [ ! -f $SCRIPT_SOURCE_DIR/resty-gitweb.yaml ]; then |
| 159 | echo " ${BOLD}${LRED}Core configuration file ${RESTORE}[ ${BOLD}${LBLUE}$SCRIPT_SOURCE_DIR/resty-gitweb.yaml${RESTORE} ] ${BOLD}${LRED}not found${RESTORE}" |
| 160 | exit 1 |
| 161 | fi |
| 162 | runcmd cp -v $SCRIPT_SOURCE_DIR/resty-gitweb.yaml /etc/resty-gitweb.yaml |
| 163 | echo " ${GREEN}resty-gitweb configuration successfully installed${RESTORE}" |
| 164 |
|
| 165 | # Reload nginx |
| 166 | if [[ ! $(lsof -i TCP:80) =~ "nginx" ]]; then |
| 167 | echo "${LIGHTGRAY}(Re)starting nginx${RESTORE}" |
| 168 | systemctl restart nginx |
| 169 | else |
| 170 | echo "${LIGHTGRAY}Reloading nginx${RESTORE}" |
| 171 | systemctl reload nginx |
| 172 | fi |
| 173 | if [ $? != 0 ]; then |
| 174 | echo "${BOLD}${LRED}nginx configuration not accepted or nginx could not be restarted. Dumping systemctl status...${RESTORE}" |
| 175 | runcmd systemctl status nginx |
| 176 | exit 1 |
| 177 | else |
| 178 | echo "${GREEN}nginx loaded new configuration successfully${RESTORE}" |
| 179 | echo "${BOLD}${LGREEN}Successful deployment!${RESTORE}" |
| 180 | exit 0 |
| 181 | fi |
| 182 |
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