7.4.2-debian-9-r4 release

bitnami/logstash/7/debian-9/prebuildfs/liblog.sh

@@ -0,0 +1,83 @@
+#!/bin/bash
+#
+# Library for logging functions
+
+# Constants
+RESET='\033[0m'
+RED='\033[38;5;1m'
+GREEN='\033[38;5;2m'
+YELLOW='\033[38;5;3m'
+MAGENTA='\033[38;5;5m'
+CYAN='\033[38;5;6m'
+
+# Functions
+
+########################
+# Print to STDERR
+# Arguments:
+#   Message to print
+# Returns:
+#   None
+#########################
+stderr_print() {
+    printf "%b\\n" "${*}" >&2
+}
+
+########################
+# Log message
+# Arguments:
+#   Message to log
+# Returns:
+#   None
+#########################
+log() {
+    stderr_print "${CYAN}${MODULE:-} ${MAGENTA}$(date "+%T.%2N ")${RESET}${*}"
+}
+########################
+# Log an 'info' message
+# Arguments:
+#   Message to log
+# Returns:
+#   None
+#########################
+info() {
+    log "${GREEN}INFO ${RESET} ==> ${*}"
+}
+########################
+# Log message
+# Arguments:
+#   Message to log
+# Returns:
+#   None
+#########################
+warn() {
+    log "${YELLOW}WARN ${RESET} ==> ${*}"
+}
+########################
+# Log an 'error' message
+# Arguments:
+#   Message to log
+# Returns:
+#   None
+#########################
+error() {
+    log "${RED}ERROR${RESET} ==> ${*}"
+}
+########################
+# Log a 'debug' message
+# Globals:
+#   BITNAMI_DEBUG
+# Arguments:
+#   None
+# Returns:
+#   None
+#########################
+debug() {
+    # 'is_boolean_yes' is defined in libvalidations.sh, but depends on this file so we cannot source it
+    local -r bool="${BITNAMI_DEBUG:-false}"
+    # comparison is performed without regard to the case of alphabetic characters
+    shopt -s nocasematch
+    if [[ "$bool" = 1 || "$bool" =~ ^(yes|true)$ ]]; then
+        log "${MAGENTA}DEBUG${RESET} ==> ${*}"
+    fi
+}