Prepare for initial release 🎈

.github/workflows/release.yml

@@ -8,7 +8,7 @@ on:
       version:
         description: "Version to release"
         required: true
-        default: "0.0.0"
+        default: "0.0.1"
         type: string
 
 env:

.gitignore

@@ -4,5 +4,6 @@ _data/
 bin/
 tmp/
 frontend/config
+notes.md
 
 # Binaries from `go build`

scripts/release.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+
+VERSION=$1
+
+if [[ -z "$VERSION" ]]; then
+  echo "Error! Supply version tag!"
+  exit 1
+fi
+
+# read in notes.md
+REL_NOTES=$(cat notes.md)
+
+read -r -d '' NOTES << EOM
+$REL_NOTES
+\`\`\`
+docker pull ghcr.io/benc-uk/nanomon-api:$VERSION
+docker pull ghcr.io/benc-uk/nanomon-frontend:$VERSION
+docker pull ghcr.io/benc-uk/nanomon-runner:$VERSION
+\`\`\`
+EOM
+
+gh release create "$VERSION" --title "Release v$VERSION" -n "$NOTES"

scripts/url-check.sh

@@ -0,0 +1,108 @@
+#!/bin/bash
+
+declare -i time=60
+declare -i delay=5
+declare -i count=5
+declare -i okCount=0
+declare -i elapsed=0
+declare isUp="false"
+
+# Display usage
+usage(){
+echo -e "\e[32m╭──────────────────────────────────────────────────────────────╮"
+echo -e "│   🌍 \e[94murl-check.sh \e[96mCheck URL endpoint for HTTP responses 🚀\e[32m   │"
+echo -e "╰──────────────────────────────────────────────────────────────╯"
+echo -e "\n\e[95mParameters:\e[37m"
+echo -e "     -u, --url       \e[33mURL to check (required)\e[37m"
+echo -e "     [-t, --time]    \e[33mMaximum number of seconds to poll for \e[92m(default: 60)\e[37m"
+echo -e "     [-d, --delay]   \e[33mDelay in seconds between requests \e[92m(default: 5)\e[37m"
+echo -e "     [-c, --count]   \e[33mHow many successes to receive before exiting \e[92m(default: 5)\e[37m"
+echo -e "     [-s, --search]  \e[33mOptional content check, grep for this string in HTTP body \e[92m(default: none)\e[37m"
+echo -e "     [-h, --help]    \e[33mShow this help text\e[37m"
+}
+
+if ! OPTS=$(getopt -o u:t:d:c:s:h --long url:,time:,delay:,count:,search:,help -n 'parse-options' -- "$@"); then echo "Failed parsing options." >&2 ; usage; exit 1 ; fi
+eval set -- "$OPTS"
+
+while true; do
+  case "$1" in
+    -u | --url ) url="$2"; shift; shift;;
+    -t | --time ) time="$2"; shift; shift;;
+    -d | --delay ) delay="$2"; shift; shift;;
+    -c | --count ) count="$2"; shift; shift;;
+    -s | --search ) search="$2"; shift; shift;;
+    -h | --help ) HELP=true; shift ;;
+    -- ) shift; break ;;
+    * ) break ;;
+  esac
+done
+
+if [[ ${HELP} = true ]] || [ -z "${url}" ];  then
+  usage
+  exit 0
+fi
+
+# Check for impossible parameter combination ie. too many checks and delays in given time limit
+if (( delay * count > time)); then
+  echo -e "\e[31m### Error! The time ($time) provided is too short given the delay ($delay) and count ($count)\e[0m"
+  exit 1
+fi
+
+echo -e "\n\e[36m### Polling \e[33m$url\e[36m for ${time}s, to get $count OK results, with a ${delay}s delay\e[0m\n"
+
+# Generate tmp filename
+tmpfile=$(echo "$url" | md5sum)
+
+# Main loop 
+while [ "$isUp" != "true" ]
+do
+  # Break out of loop if max time has elapsed
+  if (( elapsed >= time )); then break; fi
+  timestamp=$(date "+%Y/%m/%d %H:%M:%S")
+
+  # Main CURL test, output to file and return http_code 
+  urlstatus=$(curl -o "/tmp/$tmpfile" --silent --write-out '%{http_code}' "$url")
+
+  if [ "$urlstatus" -eq 000 ]; then 
+    # Code 000 means DNS, network error or malformed URL
+    msg="\e[95mSite not found or other error"
+  else
+    if (( urlstatus >= 200 )) && (( urlstatus < 300 )); then
+      # Check returned content with grep if check specified
+      if [ -n "$search" ]; then
+        # Only count as a success if string grep passed
+        if grep -q "$search" "/tmp/$tmpfile"; then
+          (( okCount=okCount + 1 ))
+          msg="✅ \e[32m$urlstatus 🔍 Content check for '$search' passed"
+        else
+          msg="❌ \e[91m$urlstatus 🔍 Content check for '$search' failed"
+        fi
+      else
+        # Good status code
+        ((okCount=okCount + 1))
+        msg="✅ \e[32m$urlstatus "
+      fi
+
+      if (( okCount >= count )); then isUp="true"; fi
+    else
+      # Bad status code
+      msg="❌ \e[91m$urlstatus "
+    fi
+  fi
+
+  # Output message + timestamp then delay
+  echo -e "### $timestamp: $msg\e[0m"
+  # if isUp false then delay
+  if [ "$isUp" != "true" ]; then sleep "$delay"; fi
+  ((elapsed=elapsed + delay))
+done
+
+rm "/tmp/$tmpfile" > /dev/null 2>&1
+# Final result check
+if [ "$isUp" == "true" ]; then
+  echo -e "\n\e[32m### Result: $url is UP! 🤩\e[0m"
+  exit 0
+else
+  echo -e "\n\e[91m### Result: $url is DOWN! 😢\e[0m"
+  exit 1
+fi