initial

stupid-natalieee.net-uptime-checker.sh

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+#!/bin/bash
+FILE_PATH=/data/stupid-natalieee.net-uptime-tracker
+
+function other_websites_reacheable() {
+    # ensure it is not reacheable because natalie issue, not network issue
+    for site in {'google.com','duckduckgo.com','mozilla.org'}; do 
+        ping -W1 -c1 "${site}" > /dev/null 2>&1 || return 1;
+    done
+}
+
+function set_state() {
+    sed -i "s/${1}/${2}/" $FILE_PATH
+}
+
+function update_count() {
+    set_state "$(grep "${1} count: " "${FILE_PATH}")" "${1} count: $(($(grep "${1} count: " "${FILE_PATH}" | cut -d: -f2) + 1))"
+}
+
+ping -W1 -c1 natalieee.net > /dev/null 2>&1 && {
+    # natalieee.net reacheable
+    set_state "$(grep 'last update:' "${FILE_PATH}")" "last update: up"
+    update_count 'up'
+} || {
+    # natalieee.net unreacheable or ping error
+    other_websites_reacheable && {
+        update_count 'down'
+        date +"natalieee.net unreacheable %s" >> "${FILE_PATH}"
+        set_state "$(grep 'last update:' "${FILE_PATH}")" 'last update: down (ping failed to only natalieee.net)'
+    } || {
+        update_count 'unknown'
+        date +"natalieee.net and other domains unreacheable %s" >> "${FILE_PATH}"
+        set_state "$(grep 'last update:' "${FILE_PATH}")" 'last update: down (ping failed to natalieee.net and some other domain(s))'
+    }
+}