124 lines
6.4 KiB
Bash
Executable File
124 lines
6.4 KiB
Bash
Executable File
#!/bin/bash
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update_apps(){
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echo -e "${BWhite}App Updater${Color_Off}"
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[[ -z $timeout ]] && echo -e "Default Timeout: 500" && timeout=500 || echo -e "\nCustom Timeout: $timeout"
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[[ "$timeout" -le 120 ]] && echo "Warning: Your timeout is set low and may lead to premature rollbacks or skips"
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echo ""
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echo "Creating list of Apps to update..."
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# Render a list of ignored applications, so users can verify their ignores got parsed correctly.
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if [[ -z ${ignore[*]} ]]; then
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echo "No apps added to ignore list, continuing..."
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else
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echo "ignored applications:"
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for ignored in "${ignore[@]}"
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do
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echo "${ignored}"
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done
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fi
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echo ""
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mapfile -t array < <(cli -m csv -c 'app chart_release query name,update_available,human_version,human_latest_version,container_images_update_available,status' | grep -E ",true(,|$)" | sort)
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[[ -z ${array[*]} ]] && echo -e "\nThere are no updates available or middleware timed out" && return 0 || echo -e "\n${#array[@]} update(s) available:"
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PIDlist=()
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# Draft a list of app names, seperate from actuall execution
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# This prevents outputs getting mixed together
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for i in "${array[@]}"
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do
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app_name=$(echo "$i" | awk -F ',' '{print $1}') #print out first catagory, name.
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echo "$app_name"
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done
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echo ""
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echo "Updating Apps..."
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# Create a background task for each update as async solution
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for i in "${array[@]}"
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do
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executeUpdate "${i}" &
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PIDlist+=($!)
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done
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echo ""
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echo "Waiting for update results..."
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# Wait for all the async updates to complete
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for p in "${PIDlist[@]}"
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do
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wait "${p}" ||:
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done
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}
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export -f update_apps
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# This is a combination of stopping previously-stopped apps and apps stuck Deploying after update
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after_update_actions(){
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SECONDS=0
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count=0
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sleep 15
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# Keep this running and exit the endless-loop based on a timer, instead of a countered-while-loop
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# shellcheck disable=SC2050
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while [[ "0" != "1" ]]
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do
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(( count++ ))
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status=$(cli -m csv -c 'app chart_release query name,update_available,human_version,human_latest_version,status' | grep "^$app_name," | awk -F ',' '{print $2}')
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if [[ "$status" == "ACTIVE" && "$startstatus" == "STOPPED" ]]; then
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[[ "$verbose" == "true" ]] && echo "Returing to STOPPED state.."
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midclt call chart.release.scale "$app_name" '{"replica_count": 0}' &> /dev/null && echo "Stopped"|| echo "FAILED"
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break
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elif [[ "$SECONDS" -ge "$timeout" && "$status" == "DEPLOYING" && "$failed" != "true" ]]; then
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echo -e "Error: Run Time($SECONDS) for $app_name has exceeded Timeout($timeout)\nIf this is a slow starting application, set a higher timeout with -t\nIf this applicaion is always DEPLOYING, you can disable all probes under the Healthcheck Probes Liveness section in the edit configuration\nReverting update.."
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midclt call chart.release.rollback "$app_name" "{\"item_version\": \"$rollback_version\"}" &> /dev/null
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[[ "$startstatus" == "STOPPED" ]] && failed="true" && after_update_actions && unset failed #run back after_update_actions function if the app was stopped prior to update
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break
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elif [[ "$SECONDS" -ge "$timeout" && "$status" == "DEPLOYING" && "$failed" == "true" ]]; then
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echo -e "Error: Run Time($SECONDS) for $app_name has exceeded Timeout($timeout)\nThe application failed to be ACTIVE even after a rollback,\nManual intervention is required\nAbandoning"
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break
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elif [[ "$status" == "STOPPED" ]]; then
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[[ "$count" -le 1 && "$verbose" == "true" ]] && echo "Verifying Stopped.." && sleep 15 && continue #if reports stopped on FIRST time through loop, double check
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[[ "$count" -le 1 && -z "$verbose" ]] && sleep 15 && continue #if reports stopped on FIRST time through loop, double check
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echo "Stopped" && break #if reports stopped any time after the first loop, assume its extermal services.
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elif [[ "$status" == "ACTIVE" ]]; then
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[[ "$count" -le 1 && "$verbose" == "true" ]] && echo "Verifying Active.." && sleep 15 && continue #if reports active on FIRST time through loop, double check
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[[ "$count" -le 1 && -z "$verbose" ]] && sleep 15 && continue #if reports active on FIRST time through loop, double check
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echo "Active" && break #if reports active any time after the first loop, assume actually active.
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else
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[[ "$verbose" == "true" ]] && echo "Waiting $((timeout-SECONDS)) more seconds for $app_name to be ACTIVE"
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sleep 15
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continue
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fi
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done
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}
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export -f after_update_actions
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# Determine what all the required information for the App to update, check it and execute the update using the SCALE API
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executeUpdate(){
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app_name=$(echo "$1" | awk -F ',' '{print $1}') #print out first catagory, name.
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old_app_ver=$(echo "$1" | awk -F ',' '{print $4}' | awk -F '_' '{print $1}' | awk -F '.' '{print $1}') #previous/current Application MAJOR Version
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new_app_ver=$(echo "$1" | awk -F ',' '{print $5}' | awk -F '_' '{print $1}' | awk -F '.' '{print $1}') #new Application MAJOR Version
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old_chart_ver=$(echo "$1" | awk -F ',' '{print $4}' | awk -F '_' '{print $2}' | awk -F '.' '{print $1}') # Old Chart MAJOR version
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new_chart_ver=$(echo "$1" | awk -F ',' '{print $5}' | awk -F '_' '{print $2}' | awk -F '.' '{print $1}') # New Chart MAJOR version
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status=$(echo "$1" | awk -F ',' '{print $2}') #status of the app: STOPPED / DEPLOYING / ACTIVE
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startstatus=$status
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diff_app=$(diff <(echo "$old_app_ver") <(echo "$new_app_ver")) #caluclating difference in major app versions
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diff_chart=$(diff <(echo "$old_chart_ver") <(echo "$new_chart_ver")) #caluclating difference in Chart versions
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old_full_ver=$(echo "$1" | awk -F ',' '{print $4}') #Upgraded From
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new_full_ver=$(echo "$1" | awk -F ',' '{print $5}') #Upraded To
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rollback_version=$(echo "$1" | awk -F ',' '{print $4}' | awk -F '_' '{print $2}')
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printf '%s\0' "${ignore[@]}" | grep -iFxqz "${app_name}" && echo -e "\n$app_name\nIgnored, skipping" && return #If application is on ignore list, skip
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if [[ "$diff_app" == "$diff_chart" || "$update_all_apps" == "true" ]]; then #continue to update
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[[ "$verbose" == "true" ]] && echo "Updating.."
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# shellcheck disable=SC2015
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cli -c 'app chart_release upgrade release_name=''"'"$app_name"'"' &> /dev/null && echo -e "Updated $app_name\n$old_full_ver\n$new_full_ver" && after_update_actions || { echo -e "$app_name: update ${IRed}FAILED${Color_Off}"; return; }
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else
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echo -e "\n$app_name\nMajor Release, update manually"
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return
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fi
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}
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export -f executeUpdate
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