| 1 | #!/bin/sh
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| 2 | ########################################################################
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| 3 | #
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| 4 | # Begin /lib/lsb/init-funtions
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| 5 | #
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| 6 | # Description : Run Level Control Functions
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| 7 | #
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| 8 | # Authors : Gerard Beekmans - gerard@linuxfromscratch.org
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| 9 | # : DJ Lucas - dj@linuxfromscratch.org
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| 10 | # Update : Bruce Dubbs - bdubbs@linuxfromscratch.org
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| 11 | #
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| 12 | # Version : LFS 7.0
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| 13 | #
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| 14 | # Notes : With code based on Matthias Benkmann's simpleinit-msb
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| 15 | # http://winterdrache.de/linux/newboot/index.html
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| 16 | #
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| 17 | # The file should be located in /lib/lsb
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| 18 | #
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| 19 | ########################################################################
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| 20 |
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| 21 | ## Environmental setup
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| 22 | # Setup default values for environment
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| 23 | umask 022
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| 24 | export PATH="/bin:/usr/bin:/sbin:/usr/sbin"
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| 25 |
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| 26 | ## Set color commands, used via echo
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| 27 | # Please consult `man console_codes for more information
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| 28 | # under the "ECMA-48 Set Graphics Rendition" section
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| 29 | #
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| 30 | # Warning: when switching from a 8bit to a 9bit font,
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| 31 | # the linux console will reinterpret the bold (1;) to
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| 32 | # the top 256 glyphs of the 9bit font. This does
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| 33 | # not affect framebuffer consoles
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| 34 |
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| 35 | NORMAL="\\033[0;39m" # Standard console grey
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| 36 | SUCCESS="\\033[1;32m" # Success is green
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| 37 | WARNING="\\033[1;33m" # Warnings are yellow
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| 38 | FAILURE="\\033[1;31m" # Failures are red
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| 39 | INFO="\\033[1;36m" # Information is light cyan
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| 40 | BRACKET="\\033[1;34m" # Brackets are blue
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| 41 |
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| 42 | # Use a colored prefix
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| 43 | BMPREFIX=" "
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| 44 | SUCCESS_PREFIX="${SUCCESS} * ${NORMAL} "
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| 45 | FAILURE_PREFIX="${FAILURE}*****${NORMAL} "
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| 46 | WARNING_PREFIX="${WARNING} *** ${NORMAL} "
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| 47 | SKIP_PREFIX="${INFO} S ${NORMAL}"
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| 48 |
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| 49 | SUCCESS_SUFFIX="${BRACKET}[${SUCCESS} OK ${BRACKET}]${NORMAL}"
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| 50 | FAILURE_SUFFIX="${BRACKET}[${FAILURE} FAIL ${BRACKET}]${NORMAL}"
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| 51 | WARNING_SUFFIX="${BRACKET}[${WARNING} WARN ${BRACKET}]${NORMAL}"
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| 52 | SKIP_SUFFIX="${BRACKET}[${INFO} SKIP ${BRACKET}]${NORMAL}"
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| 53 |
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| 54 | BOOTLOG=/run/bootlog
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| 55 | KILLDELAY=3
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| 56 | SCRIPT_STAT="0"
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| 57 |
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| 58 | # Set any user specified environment variables e.g. HEADLESS
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| 59 | [ -r /etc/sysconfig/rc.site ] && . /etc/sysconfig/rc.site
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| 60 |
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| 61 | ## Screen Dimensions
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| 62 | # Find current screen size
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| 63 | if [ -z "${COLUMNS}" ]; then
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| 64 | COLUMNS=$(stty size)
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| 65 | COLUMNS=${COLUMNS##* }
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| 66 | fi
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| 67 |
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| 68 | # When using remote connections, such as a serial port, stty size returns 0
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| 69 | if [ "${COLUMNS}" = "0" ]; then
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| 70 | COLUMNS=80
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| 71 | fi
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| 72 |
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| 73 | ## Measurements for positioning result messages
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| 74 | COL=$((${COLUMNS} - 8))
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| 75 | WCOL=$((${COL} - 2))
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| 76 |
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| 77 | ## Set Cursor Position Commands, used via echo
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| 78 | SET_COL="\\033[${COL}G" # at the $COL char
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| 79 | SET_WCOL="\\033[${WCOL}G" # at the $WCOL char
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| 80 | CURS_UP="\\033[1A\\033[0G" # Up one line, at the 0'th char
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| 81 | CURS_ZERO="\\033[0G"
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| 82 |
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| 83 | ################################################################################
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| 84 | # start_daemon() #
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| 85 | # Usage: start_daemon [-f] [-n nicelevel] [-p pidfile] pathname [args...] #
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| 86 | # #
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| 87 | # Purpose: This runs the specified program as a daemon #
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| 88 | # #
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| 89 | # Inputs: -f: (force) run the program even if it is already running. #
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| 90 | # -n nicelevel: specify a nice level. See 'man nice(1)'. #
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| 91 | # -p pidfile: use the specified file to determine PIDs. #
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| 92 | # pathname: the complete path to the specified program #
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| 93 | # args: additional arguments passed to the program (pathname) #
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| 94 | # #
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| 95 | # Return values (as defined by LSB exit codes): #
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| 96 | # 0 - program is running or service is OK #
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| 97 | # 1 - generic or unspecified error #
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| 98 | # 2 - invalid or excessive argument(s) #
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| 99 | # 5 - program is not installed #
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| 100 | ################################################################################
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| 101 | start_daemon()
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| 102 | {
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| 103 | local force=""
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| 104 | local nice="0"
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| 105 | local pidfile=""
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| 106 | local pidlist=""
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| 107 | local retval=""
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| 108 |
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| 109 | # Process arguments
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| 110 | while true
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| 111 | do
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| 112 | case "${1}" in
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| 113 |
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| 114 | -f)
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| 115 | force="1"
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| 116 | shift 1
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| 117 | ;;
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| 118 |
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| 119 | -n)
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| 120 | nice="${2}"
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| 121 | shift 2
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| 122 | ;;
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| 123 |
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| 124 | -p)
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| 125 | pidfile="${2}"
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| 126 | shift 2
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| 127 | ;;
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| 128 |
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| 129 | -*)
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| 130 | return 2
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| 131 | ;;
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| 132 |
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| 133 | *)
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| 134 | program="${1}"
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| 135 | break
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| 136 | ;;
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| 137 | esac
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| 138 | done
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| 139 |
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| 140 | # Check for a valid program
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| 141 | if [ ! -e "${program}" ]; then return 5; fi
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| 142 |
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| 143 | # Execute
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| 144 | if [ -z "${force}" ]; then
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| 145 | if [ -z "${pidfile}" ]; then
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| 146 | # Determine the pid by discovery
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| 147 | pidlist=`pidofproc "${1}"`
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| 148 | retval="${?}"
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| 149 | else
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| 150 | # The PID file contains the needed PIDs
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| 151 | # Note that by LSB requirement, the path must be given to pidofproc,
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| 152 | # however, it is not used by the current implementation or standard.
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| 153 | pidlist=`pidofproc -p "${pidfile}" "${1}"`
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| 154 | retval="${?}"
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| 155 | fi
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| 156 |
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| 157 | # Return a value ONLY
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| 158 | # It is the init script's (or distribution's functions) responsibility
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| 159 | # to log messages!
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| 160 | case "${retval}" in
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| 161 |
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| 162 | 0)
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| 163 | # Program is already running correctly, this is a
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| 164 | # successful start.
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| 165 | return 0
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| 166 | ;;
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| 167 |
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| 168 | 1)
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| 169 | # Program is not running, but an invalid pid file exists
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| 170 | # remove the pid file and continue
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| 171 | rm -f "${pidfile}"
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| 172 | ;;
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| 173 |
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| 174 | 3)
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| 175 | # Program is not running and no pidfile exists
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| 176 | # do nothing here, let start_deamon continue.
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| 177 | ;;
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| 178 |
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| 179 | *)
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| 180 | # Others as returned by status values shall not be interpreted
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| 181 | # and returned as an unspecified error.
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| 182 | return 1
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| 183 | ;;
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| 184 | esac
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| 185 | fi
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| 186 |
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| 187 | # Do the start!
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| 188 | nice -n "${nice}" "${@}"
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| 189 | }
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| 190 |
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| 191 | ################################################################################
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| 192 | # killproc() #
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| 193 | # Usage: killproc [-p pidfile] pathname [signal] #
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| 194 | # #
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| 195 | # Purpose: Send control signals to running processes #
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| 196 | # #
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| 197 | # Inputs: -p pidfile, uses the specified pidfile #
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| 198 | # pathname, pathname to the specified program #
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| 199 | # signal, send this signal to pathname #
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| 200 | # #
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| 201 | # Return values (as defined by LSB exit codes): #
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| 202 | # 0 - program (pathname) has stopped/is already stopped or a #
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| 203 | # running program has been sent specified signal and stopped #
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| 204 | # successfully #
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| 205 | # 1 - generic or unspecified error #
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| 206 | # 2 - invalid or excessive argument(s) #
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| 207 | # 5 - program is not installed #
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| 208 | # 7 - program is not running and a signal was supplied #
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| 209 | ################################################################################
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| 210 | killproc()
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| 211 | {
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| 212 | local pidfile
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| 213 | local program
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| 214 | local prefix
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| 215 | local progname
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| 216 | local signal="-TERM"
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| 217 | local fallback="-KILL"
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| 218 | local nosig
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| 219 | local pidlist
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| 220 | local retval
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| 221 | local pid
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| 222 | local delay="30"
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| 223 | local piddead
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| 224 | local dtime
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| 225 |
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| 226 | # Process arguments
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| 227 | while true; do
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| 228 | case "${1}" in
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| 229 | -p)
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| 230 | pidfile="${2}"
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| 231 | shift 2
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| 232 | ;;
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| 233 |
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| 234 | *)
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| 235 | program="${1}"
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| 236 | if [ -n "${2}" ]; then
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| 237 | signal="${2}"
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| 238 | fallback=""
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| 239 | else
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| 240 | nosig=1
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| 241 | fi
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| 242 |
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| 243 | # Error on additional arguments
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| 244 | if [ -n "${3}" ]; then
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| 245 | return 2
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| 246 | else
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| 247 | break
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| 248 | fi
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| 249 | ;;
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| 250 | esac
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| 251 | done
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| 252 |
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| 253 | # Check for a valid program
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| 254 | if [ ! -e "${program}" ]; then return 5; fi
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| 255 |
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| 256 | # Check for a valid signal
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| 257 | check_signal "${signal}"
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| 258 | if [ "${?}" -ne "0" ]; then return 2; fi
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| 259 |
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| 260 | # Get a list of pids
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| 261 | if [ -z "${pidfile}" ]; then
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| 262 | # determine the pid by discovery
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| 263 | pidlist=`pidofproc "${1}"`
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| 264 | retval="${?}"
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| 265 | else
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| 266 | # The PID file contains the needed PIDs
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| 267 | # Note that by LSB requirement, the path must be given to pidofproc,
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| 268 | # however, it is not used by the current implementation or standard.
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| 269 | pidlist=`pidofproc -p "${pidfile}" "${1}"`
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| 270 | retval="${?}"
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| 271 | fi
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| 272 |
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| 273 | # Return a value ONLY
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| 274 | # It is the init script's (or distribution's functions) responsibility
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| 275 | # to log messages!
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| 276 | case "${retval}" in
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| 277 |
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| 278 | 0)
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| 279 | # Program is running correctly
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| 280 | # Do nothing here, let killproc continue.
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| 281 | ;;
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| 282 |
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| 283 | 1)
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| 284 | # Program is not running, but an invalid pid file exists
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| 285 | # Remove the pid file.
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| 286 |
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| 287 | progname=${program##*/}
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| 288 |
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| 289 | if [[ -e "/run/${progname}.pid" ]]; then
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| 290 | pidfile="/run/${progname}.pid"
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| 291 | rm -f "${pidfile}"
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| 292 | fi
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| 293 |
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| 294 | # This is only a success if no signal was passed.
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| 295 | if [ -n "${nosig}" ]; then
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| 296 | return 0
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| 297 | else
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| 298 | return 7
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| 299 | fi
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| 300 | ;;
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| 301 |
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| 302 | 3)
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| 303 | # Program is not running and no pidfile exists
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| 304 | # This is only a success if no signal was passed.
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| 305 | if [ -n "${nosig}" ]; then
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| 306 | return 0
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| 307 | else
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| 308 | return 7
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| 309 | fi
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| 310 | ;;
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| 311 |
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| 312 | *)
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| 313 | # Others as returned by status values shall not be interpreted
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| 314 | # and returned as an unspecified error.
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| 315 | return 1
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| 316 | ;;
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| 317 | esac
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| 318 |
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| 319 | # Perform different actions for exit signals and control signals
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| 320 | check_sig_type "${signal}"
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| 321 |
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| 322 | if [ "${?}" -eq "0" ]; then # Signal is used to terminate the program
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| 323 |
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| 324 | # Account for empty pidlist (pid file still exists and no
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| 325 | # signal was given)
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| 326 | if [ "${pidlist}" != "" ]; then
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| 327 |
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| 328 | # Kill the list of pids
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| 329 | for pid in ${pidlist}; do
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| 330 |
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| 331 | kill -0 "${pid}" 2> /dev/null
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| 332 |
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| 333 | if [ "${?}" -ne "0" ]; then
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| 334 | # Process is dead, continue to next and assume all is well
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| 335 | continue
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| 336 | else
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| 337 | kill "${signal}" "${pid}" 2> /dev/null
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| 338 |
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| 339 | # Wait up to ${delay}/10 seconds to for "${pid}" to
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| 340 | # terminate in 10ths of a second
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| 341 |
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| 342 | while [ "${delay}" -ne "0" ]; do
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| 343 | kill -0 "${pid}" 2> /dev/null || piddead="1"
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| 344 | if [ "${piddead}" = "1" ]; then break; fi
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| 345 | sleep 0.1
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| 346 | delay="$(( ${delay} - 1 ))"
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| 347 | done
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| 348 |
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| 349 | # If a fallback is set, and program is still running, then
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| 350 | # use the fallback
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| 351 | if [ -n "${fallback}" -a "${piddead}" != "1" ]; then
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| 352 | kill "${fallback}" "${pid}" 2> /dev/null
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| 353 | sleep 1
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| 354 | # Check again, and fail if still running
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| 355 | kill -0 "${pid}" 2> /dev/null && return 1
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| 356 | fi
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| 357 | fi
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| 358 | done
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| 359 | fi
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| 360 |
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| 361 | # Check for and remove stale PID files.
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| 362 | if [ -z "${pidfile}" ]; then
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| 363 | # Find the basename of $program
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| 364 | prefix=`echo "${program}" | sed 's/[^/]*$//'`
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| 365 | progname=`echo "${program}" | sed "s@${prefix}@@"`
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| 366 |
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| 367 | if [ -e "/run/${progname}.pid" ]; then
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| 368 | rm -f "/run/${progname}.pid" 2> /dev/null
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| 369 | fi
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| 370 | else
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| 371 | if [ -e "${pidfile}" ]; then rm -f "${pidfile}" 2> /dev/null; fi
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| 372 | fi
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| 373 |
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| 374 | # For signals that do not expect a program to exit, simply
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| 375 | # let kill do its job, and evaluate kill's return for value
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| 376 |
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| 377 | else # check_sig_type - signal is not used to terminate program
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| 378 | for pid in ${pidlist}; do
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| 379 | kill "${signal}" "${pid}"
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| 380 | if [ "${?}" -ne "0" ]; then return 1; fi
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| 381 | done
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| 382 | fi
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| 383 | }
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| 384 |
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| 385 | ################################################################################
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| 386 | # pidofproc() #
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| 387 | # Usage: pidofproc [-p pidfile] pathname #
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| 388 | # #
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| 389 | # Purpose: This function returns one or more pid(s) for a particular daemon #
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| 390 | # #
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| 391 | # Inputs: -p pidfile, use the specified pidfile instead of pidof #
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| 392 | # pathname, path to the specified program #
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| 393 | # #
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| 394 | # Return values (as defined by LSB status codes): #
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| 395 | # 0 - Success (PIDs to stdout) #
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| 396 | # 1 - Program is dead, PID file still exists (remaining PIDs output) #
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| 397 | # 3 - Program is not running (no output) #
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| 398 | ################################################################################
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| 399 | pidofproc()
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| 400 | {
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| 401 | local pidfile
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| 402 | local program
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| 403 | local prefix
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| 404 | local progname
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| 405 | local pidlist
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| 406 | local lpids
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| 407 | local exitstatus="0"
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| 408 |
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| 409 | # Process arguments
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| 410 | while true; do
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| 411 | case "${1}" in
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| 412 |
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| 413 | -p)
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| 414 | pidfile="${2}"
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| 415 | shift 2
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| 416 | ;;
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| 417 |
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| 418 | *)
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| 419 | program="${1}"
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| 420 | if [ -n "${2}" ]; then
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| 421 | # Too many arguments
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| 422 | # Since this is status, return unknown
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| 423 | return 4
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| 424 | else
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| 425 | break
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| 426 | fi
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| 427 | ;;
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| 428 | esac
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| 429 | done
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| 430 |
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| 431 | # If a PID file is not specified, try and find one.
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| 432 | if [ -z "${pidfile}" ]; then
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| 433 | # Get the program's basename
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| 434 | prefix=`echo "${program}" | sed 's/[^/]*$//'`
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| 435 |
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| 436 | if [ -z "${prefix}" ]; then
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| 437 | progname="${program}"
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| 438 | else
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| 439 | progname=`echo "${program}" | sed "s@${prefix}@@"`
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| 440 | fi
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| 441 |
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| 442 | # If a PID file exists with that name, assume that is it.
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| 443 | if [ -e "/run/${progname}.pid" ]; then
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| 444 | pidfile="/run/${progname}.pid"
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| 445 | fi
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| 446 | fi
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| 447 |
|
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| 448 | # If a PID file is set and exists, use it.
|
|---|
| 449 | if [ -n "${pidfile}" -a -e "${pidfile}" ]; then
|
|---|
| 450 |
|
|---|
| 451 | # Use the value in the first line of the pidfile
|
|---|
| 452 | pidlist=`/bin/head -n1 "${pidfile}"`
|
|---|
| 453 | # This can optionally be written as 'sed 1q' to repalce 'head -n1'
|
|---|
| 454 | # should LFS move /bin/head to /usr/bin/head
|
|---|
| 455 | else
|
|---|
| 456 | # Use pidof
|
|---|
| 457 | pidlist=`pidof "${program}"`
|
|---|
| 458 | fi
|
|---|
| 459 |
|
|---|
| 460 | # Figure out if all listed PIDs are running.
|
|---|
| 461 | for pid in ${pidlist}; do
|
|---|
| 462 | kill -0 ${pid} 2> /dev/null
|
|---|
| 463 |
|
|---|
| 464 | if [ "${?}" -eq "0" ]; then
|
|---|
| 465 | lpids="${lpids}${pid} "
|
|---|
| 466 | else
|
|---|
| 467 | exitstatus="1"
|
|---|
| 468 | fi
|
|---|
| 469 | done
|
|---|
| 470 |
|
|---|
| 471 | if [ -z "${lpids}" -a ! -f "${pidfile}" ]; then
|
|---|
| 472 | return 3
|
|---|
| 473 | else
|
|---|
| 474 | echo "${lpids}"
|
|---|
| 475 | return "${exitstatus}"
|
|---|
| 476 | fi
|
|---|
| 477 | }
|
|---|
| 478 |
|
|---|
| 479 | ################################################################################
|
|---|
| 480 | # statusproc() #
|
|---|
| 481 | # Usage: statusproc [-p pidfile] pathname #
|
|---|
| 482 | # #
|
|---|
| 483 | # Purpose: This function prints the status of a particular daemon to stdout #
|
|---|
| 484 | # #
|
|---|
| 485 | # Inputs: -p pidfile, use the specified pidfile instead of pidof #
|
|---|
| 486 | # pathname, path to the specified program #
|
|---|
| 487 | # #
|
|---|
| 488 | # Return values: #
|
|---|
| 489 | # 0 - Status printed #
|
|---|
| 490 | # 1 - Input error. The daemon to check was not specified. #
|
|---|
| 491 | ################################################################################
|
|---|
| 492 | statusproc()
|
|---|
| 493 | {
|
|---|
| 494 | local pidfile
|
|---|
| 495 | local pidlist
|
|---|
| 496 |
|
|---|
| 497 | if [ "${#}" = "0" ]; then
|
|---|
| 498 | echo "Usage: statusproc [-p pidfle] {program}"
|
|---|
| 499 | exit 1
|
|---|
| 500 | fi
|
|---|
| 501 |
|
|---|
| 502 | # Process arguments
|
|---|
| 503 | while true; do
|
|---|
| 504 | case "${1}" in
|
|---|
| 505 |
|
|---|
| 506 | -p)
|
|---|
| 507 | pidfile="${2}"
|
|---|
| 508 | shift 2
|
|---|
| 509 | ;;
|
|---|
| 510 |
|
|---|
| 511 | *)
|
|---|
| 512 | if [ -n "${2}" ]; then
|
|---|
| 513 | echo "Too many arguments"
|
|---|
| 514 | return 1
|
|---|
| 515 | else
|
|---|
| 516 | break
|
|---|
| 517 | fi
|
|---|
| 518 | ;;
|
|---|
| 519 | esac
|
|---|
| 520 | done
|
|---|
| 521 |
|
|---|
| 522 | if [ -n "${pidfile}" ]; then
|
|---|
| 523 | pidlist=`pidofproc -p "${pidfile}" $@`
|
|---|
| 524 | else
|
|---|
| 525 | pidlist=`pidofproc $@`
|
|---|
| 526 | fi
|
|---|
| 527 |
|
|---|
| 528 | # Trim trailing blanks
|
|---|
| 529 | pidlist=`echo "${pidlist}" | sed -r 's/ +$//'`
|
|---|
| 530 |
|
|---|
| 531 | base="${1##*/}"
|
|---|
| 532 |
|
|---|
| 533 | if [ -n "${pidlist}" ]; then
|
|---|
| 534 | /bin/echo -e "${INFO}${base} is running with Process" \
|
|---|
| 535 | "ID(s) ${pidlist}.${NORMAL}"
|
|---|
| 536 | else
|
|---|
| 537 | if [ -n "${base}" -a -e "/run/${base}.pid" ]; then
|
|---|
| 538 | /bin/echo -e "${WARNING}${1} is not running but" \
|
|---|
| 539 | "/run/${base}.pid exists.${NORMAL}"
|
|---|
| 540 | else
|
|---|
| 541 | if [ -n "${pidfile}" -a -e "${pidfile}" ]; then
|
|---|
| 542 | /bin/echo -e "${WARNING}${1} is not running" \
|
|---|
| 543 | "but ${pidfile} exists.${NORMAL}"
|
|---|
| 544 | else
|
|---|
| 545 | /bin/echo -e "${INFO}${1} is not running.${NORMAL}"
|
|---|
| 546 | fi
|
|---|
| 547 | fi
|
|---|
| 548 | fi
|
|---|
| 549 | }
|
|---|
| 550 |
|
|---|
| 551 | ################################################################################
|
|---|
| 552 | # timespec() #
|
|---|
| 553 | # #
|
|---|
| 554 | # Purpose: An internal utility function to format a timestamp #
|
|---|
| 555 | # a boot log file. Sets the STAMP variable. #
|
|---|
| 556 | # #
|
|---|
| 557 | # Return value: Not used #
|
|---|
| 558 | ################################################################################
|
|---|
| 559 | timespec()
|
|---|
| 560 | {
|
|---|
| 561 | STAMP="$(echo `date +"%b %d %T %:z"` `hostname`) "
|
|---|
| 562 | return 0
|
|---|
| 563 | }
|
|---|
| 564 |
|
|---|
| 565 | ################################################################################
|
|---|
| 566 | # log_success_msg() #
|
|---|
| 567 | # Usage: log_success_msg ["message"] #
|
|---|
| 568 | # #
|
|---|
| 569 | # Purpose: Print a successful status message to the screen and #
|
|---|
| 570 | # a boot log file. #
|
|---|
| 571 | # #
|
|---|
| 572 | # Inputs: $@ - Message #
|
|---|
| 573 | # #
|
|---|
| 574 | # Return values: Not used #
|
|---|
| 575 | ################################################################################
|
|---|
| 576 | log_success_msg()
|
|---|
| 577 | {
|
|---|
| 578 | /bin/echo -n -e "${BMPREFIX}${@}"
|
|---|
| 579 | /bin/echo -e "${CURS_ZERO}${SUCCESS_PREFIX}${SET_COL}${SUCCESS_SUFFIX}"
|
|---|
| 580 |
|
|---|
| 581 | # Strip non-printable characters from log file
|
|---|
| 582 | logmessage=`echo "${@}" | sed 's/\\\033[^a-zA-Z]*.//g'`
|
|---|
| 583 |
|
|---|
| 584 | timespec
|
|---|
| 585 | /bin/echo -e "${STAMP} ${logmessage} OK" >> ${BOOTLOG}
|
|---|
| 586 |
|
|---|
| 587 | return 0
|
|---|
| 588 | }
|
|---|
| 589 |
|
|---|
| 590 | log_success_msg2()
|
|---|
| 591 | {
|
|---|
| 592 | /bin/echo -n -e "${BMPREFIX}${@}"
|
|---|
| 593 | /bin/echo -e "${CURS_ZERO}${SUCCESS_PREFIX}${SET_COL}${SUCCESS_SUFFIX}"
|
|---|
| 594 |
|
|---|
| 595 | echo " OK" >> ${BOOTLOG}
|
|---|
| 596 |
|
|---|
| 597 | return 0
|
|---|
| 598 | }
|
|---|
| 599 |
|
|---|
| 600 | ################################################################################
|
|---|
| 601 | # log_failure_msg() #
|
|---|
| 602 | # Usage: log_failure_msg ["message"] #
|
|---|
| 603 | # #
|
|---|
| 604 | # Purpose: Print a failure status message to the screen and #
|
|---|
| 605 | # a boot log file. #
|
|---|
| 606 | # #
|
|---|
| 607 | # Inputs: $@ - Message #
|
|---|
| 608 | # #
|
|---|
| 609 | # Return values: Not used #
|
|---|
| 610 | ################################################################################
|
|---|
| 611 | log_failure_msg()
|
|---|
| 612 | {
|
|---|
| 613 | /bin/echo -n -e "${BMPREFIX}${@}"
|
|---|
| 614 | /bin/echo -e "${CURS_ZERO}${FAILURE_PREFIX}${SET_COL}${FAILURE_SUFFIX}"
|
|---|
| 615 |
|
|---|
| 616 | # Strip non-printable characters from log file
|
|---|
| 617 |
|
|---|
| 618 | timespec
|
|---|
| 619 | logmessage=`echo "${@}" | sed 's/\\\033[^a-zA-Z]*.//g'`
|
|---|
| 620 | /bin/echo -e "${STAMP} ${logmessage} FAIL" >> ${BOOTLOG}
|
|---|
| 621 |
|
|---|
| 622 | return 0
|
|---|
| 623 | }
|
|---|
| 624 |
|
|---|
| 625 | log_failure_msg2()
|
|---|
| 626 | {
|
|---|
| 627 | /bin/echo -n -e "${BMPREFIX}${@}"
|
|---|
| 628 | /bin/echo -e "${CURS_ZERO}${FAILURE_PREFIX}${SET_COL}${FAILURE_SUFFIX}"
|
|---|
| 629 |
|
|---|
| 630 | echo "FAIL" >> ${BOOTLOG}
|
|---|
| 631 |
|
|---|
| 632 | return 0
|
|---|
| 633 | }
|
|---|
| 634 |
|
|---|
| 635 | ################################################################################
|
|---|
| 636 | # log_warning_msg() #
|
|---|
| 637 | # Usage: log_warning_msg ["message"] #
|
|---|
| 638 | # #
|
|---|
| 639 | # Purpose: Print a warning status message to the screen and #
|
|---|
| 640 | # a boot log file. #
|
|---|
| 641 | # #
|
|---|
| 642 | # Return values: Not used #
|
|---|
| 643 | ################################################################################
|
|---|
| 644 | log_warning_msg()
|
|---|
| 645 | {
|
|---|
| 646 | /bin/echo -n -e "${BMPREFIX}${@}"
|
|---|
| 647 | /bin/echo -e "${CURS_ZERO}${WARNING_PREFIX}${SET_COL}${WARNING_SUFFIX}"
|
|---|
| 648 |
|
|---|
| 649 | # Strip non-printable characters from log file
|
|---|
| 650 | logmessage=`echo "${@}" | sed 's/\\\033[^a-zA-Z]*.//g'`
|
|---|
| 651 | timespec
|
|---|
| 652 | /bin/echo -e "${STAMP} ${logmessage} WARN" >> ${BOOTLOG}
|
|---|
| 653 |
|
|---|
| 654 | return 0
|
|---|
| 655 | }
|
|---|
| 656 |
|
|---|
| 657 | log_skip_msg()
|
|---|
| 658 | {
|
|---|
| 659 | /bin/echo -n -e "${BMPREFIX}${@}"
|
|---|
| 660 | /bin/echo -e "${CURS_ZERO}${SKIP_PREFIX}${SET_COL}${SKIP_SUFFIX}"
|
|---|
| 661 |
|
|---|
| 662 | # Strip non-printable characters from log file
|
|---|
| 663 | logmessage=`echo "${@}" | sed 's/\\\033[^a-zA-Z]*.//g'`
|
|---|
| 664 | /bin/echo "SKIP" >> ${BOOTLOG}
|
|---|
| 665 |
|
|---|
| 666 | return 0
|
|---|
| 667 | }
|
|---|
| 668 |
|
|---|
| 669 | ################################################################################
|
|---|
| 670 | # log_info_msg() #
|
|---|
| 671 | # Usage: log_info_msg message #
|
|---|
| 672 | # #
|
|---|
| 673 | # Purpose: Print an information message to the screen and #
|
|---|
| 674 | # a boot log file. Does not print a trailing newline character. #
|
|---|
| 675 | # #
|
|---|
| 676 | # Return values: Not used #
|
|---|
| 677 | ################################################################################
|
|---|
| 678 | log_info_msg()
|
|---|
| 679 | {
|
|---|
| 680 | /bin/echo -n -e "${BMPREFIX}${@}"
|
|---|
| 681 |
|
|---|
| 682 | # Strip non-printable characters from log file
|
|---|
| 683 | logmessage=`echo "${@}" | sed 's/\\\033[^a-zA-Z]*.//g'`
|
|---|
| 684 | timespec
|
|---|
| 685 | /bin/echo -n -e "${STAMP} ${logmessage}" >> ${BOOTLOG}
|
|---|
| 686 |
|
|---|
| 687 | return 0
|
|---|
| 688 | }
|
|---|
| 689 |
|
|---|
| 690 | log_info_msg2()
|
|---|
| 691 | {
|
|---|
| 692 | /bin/echo -n -e "${@}"
|
|---|
| 693 |
|
|---|
| 694 | # Strip non-printable characters from log file
|
|---|
| 695 | logmessage=`echo "${@}" | sed 's/\\\033[^a-zA-Z]*.//g'`
|
|---|
| 696 | /bin/echo -n -e "${logmessage}" >> ${BOOTLOG}
|
|---|
| 697 |
|
|---|
| 698 | return 0
|
|---|
| 699 | }
|
|---|
| 700 |
|
|---|
| 701 | ################################################################################
|
|---|
| 702 | # evaluate_retval() #
|
|---|
| 703 | # Usage: Evaluate a return value and print success or failure as appropriate #
|
|---|
| 704 | # #
|
|---|
| 705 | # Purpose: Convenience function to terminate an info message #
|
|---|
| 706 | # #
|
|---|
| 707 | # Return values: Not used #
|
|---|
| 708 | ################################################################################
|
|---|
| 709 | evaluate_retval()
|
|---|
| 710 | {
|
|---|
| 711 | local error_value="${?}"
|
|---|
| 712 |
|
|---|
| 713 | if [ ${error_value} = 0 ]; then
|
|---|
| 714 | log_success_msg2
|
|---|
| 715 | else
|
|---|
| 716 | log_failure_msg2
|
|---|
| 717 | fi
|
|---|
| 718 | }
|
|---|
| 719 |
|
|---|
| 720 | ################################################################################
|
|---|
| 721 | # check_signal() #
|
|---|
| 722 | # Usage: check_signal [ -{signal} ] #
|
|---|
| 723 | # #
|
|---|
| 724 | # Purpose: Check for a valid signal. This is not defined by any LSB draft, #
|
|---|
| 725 | # however, it is required to check the signals to determine if the #
|
|---|
| 726 | # signals chosen are invalid arguments to the other functions. #
|
|---|
| 727 | # #
|
|---|
| 728 | # Inputs: Accepts a single string value in the form of -{signal} #
|
|---|
| 729 | # #
|
|---|
| 730 | # Return values: #
|
|---|
| 731 | # 0 - Success (signal is valid #
|
|---|
| 732 | # 1 - Signal is not valid #
|
|---|
| 733 | ################################################################################
|
|---|
| 734 | check_signal()
|
|---|
| 735 | {
|
|---|
| 736 | local valsig
|
|---|
| 737 |
|
|---|
| 738 | # Add error handling for invalid signals
|
|---|
| 739 | valsig=" -ALRM -HUP -INT -KILL -PIPE -POLL -PROF -TERM -USR1 -USR2"
|
|---|
| 740 | valsig="${valsig} -VTALRM -STKFLT -PWR -WINCH -CHLD -URG -TSTP -TTIN"
|
|---|
| 741 | valsig="${valsig} -TTOU -STOP -CONT -ABRT -FPE -ILL -QUIT -SEGV -TRAP"
|
|---|
| 742 | valsig="${valsig} -SYS -EMT -BUS -XCPU -XFSZ -0 -1 -2 -3 -4 -5 -6 -8 -9"
|
|---|
| 743 | valsig="${valsig} -11 -13 -14 -15 "
|
|---|
| 744 |
|
|---|
| 745 | echo "${valsig}" | grep -- " ${1} " > /dev/null
|
|---|
| 746 |
|
|---|
| 747 | if [ "${?}" -eq "0" ]; then
|
|---|
| 748 | return 0
|
|---|
| 749 | else
|
|---|
| 750 | return 1
|
|---|
| 751 | fi
|
|---|
| 752 | }
|
|---|
| 753 |
|
|---|
| 754 | ################################################################################
|
|---|
| 755 | # check_sig_type() #
|
|---|
| 756 | # Usage: check_signal [ -{signal} | {signal} ] #
|
|---|
| 757 | # #
|
|---|
| 758 | # Purpose: Check if signal is a program termination signal or a control signal #
|
|---|
| 759 | # This is not defined by any LSB draft, however, it is required to #
|
|---|
| 760 | # check the signals to determine if they are intended to end a #
|
|---|
| 761 | # program or simply to control it. #
|
|---|
| 762 | # #
|
|---|
| 763 | # Inputs: Accepts a single string value in the form or -{signal} or {signal} #
|
|---|
| 764 | # #
|
|---|
| 765 | # Return values: #
|
|---|
| 766 | # 0 - Signal is used for program termination #
|
|---|
| 767 | # 1 - Signal is used for program control #
|
|---|
| 768 | ################################################################################
|
|---|
| 769 | check_sig_type()
|
|---|
| 770 | {
|
|---|
| 771 | local valsig
|
|---|
| 772 |
|
|---|
| 773 | # The list of termination signals (limited to generally used items)
|
|---|
| 774 | valsig=" -ALRM -INT -KILL -TERM -PWR -STOP -ABRT -QUIT -2 -3 -6 -9 -14 -15 "
|
|---|
| 775 |
|
|---|
| 776 | echo "${valsig}" | grep -- " ${1} " > /dev/null
|
|---|
| 777 |
|
|---|
| 778 | if [ "${?}" -eq "0" ]; then
|
|---|
| 779 | return 0
|
|---|
| 780 | else
|
|---|
| 781 | return 1
|
|---|
| 782 | fi
|
|---|
| 783 | }
|
|---|
| 784 |
|
|---|
| 785 | ################################################################################
|
|---|
| 786 | # wait_for_user() #
|
|---|
| 787 | # #
|
|---|
| 788 | # Purpose: Wait for the user to respond if not a headless system #
|
|---|
| 789 | # #
|
|---|
| 790 | ################################################################################
|
|---|
| 791 | wait_for_user()
|
|---|
| 792 | {
|
|---|
| 793 | # Wait for the user by default
|
|---|
| 794 | [ "${HEADLESS=0}" = "0" ] && read ENTER
|
|---|
| 795 | return 0
|
|---|
| 796 | }
|
|---|
| 797 |
|
|---|
| 798 | ################################################################################
|
|---|
| 799 | # is_true() #
|
|---|
| 800 | # #
|
|---|
| 801 | # Purpose: Utility to test if a variable is true | yes | 1 #
|
|---|
| 802 | # #
|
|---|
| 803 | ################################################################################
|
|---|
| 804 | is_true()
|
|---|
| 805 | {
|
|---|
| 806 | [ "$1" = "1" ] || [ "$1" = "yes" ] || [ "$1" = "true" ] || [ "$1" = "y" ] ||
|
|---|
| 807 | [ "$1" = "t" ]
|
|---|
| 808 | }
|
|---|
| 809 |
|
|---|
| 810 | # End /lib/lsb/init-functions
|
|---|
