mirror of
https://github.com/mag37/dockcheck.git
synced 2026-02-17 00:38:16 +01:00
Add file notification channel (#222)
* Add file notification channel * Bypass file channel notifications for dockcheck.sh script * Implement notification channel template reuse and advanced configuration variables. * Fix text insertion formatting for dockcheck script and container updates. * Fix dockcheck.sh notification csv and text output. * Fix ntfy variable references and replace tr for uppercase conversion. * Fix ALLOWEMPTY logic, undefined snippet case, and README formatting. * Refactor notification send/skip logic. Adjust missing variable return codes. * Adjust notifications README section for clarity and readability. --------- Co-authored-by: Matthew Oleksowicz <matt@everyoneneeds.it>
This commit is contained in:
vorezal
GitHub
parent
37f33d7a06
commit
31a45f1d84
18 changed files with 620 additions and 267 deletions
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@ -1,4 +1,4 @@
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NOTIFY_V2_VERSION="v0.5"
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NOTIFY_V2_VERSION="v0.6"
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#
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# If migrating from an older notify template, remove your existing notify.sh file.
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# Leave (or place) this file in the "notify_templates" subdirectory within the same directory as the main dockcheck.sh script.
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@ -13,9 +13,33 @@ NOTIFY_V2_VERSION="v0.5"
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# Actual snooze will be 60 seconds less to avoid the chance of missed notifications due to minor scheduling or script run time issues.
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snooze="${SNOOZE_SECONDS:-}"
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SnoozeFile="${ScriptWorkDir}/snooze.list"
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[[ ! -f "${SnoozeFile}" ]] && touch "${SnoozeFile}"
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enabled_notify_channels=( ${NOTIFY_CHANNELS:-} )
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# Global output string variable for modification by functions
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UpdToString=""
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FormattedOutput=""
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get_channel_template() {
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local UpperChannel="${1^^}"
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local TemplateVar="${UpperChannel}_TEMPLATE"
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if [[ -n "${!TemplateVar:-}" ]]; then
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printf "${!TemplateVar}"
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else
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printf "$1"
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fi
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}
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declare -A unique_templates
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for channel in "${enabled_notify_channels[@]}"; do
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template=$(get_channel_template "${channel}")
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unique_templates["${template}"]=1
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done
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enabled_notify_templates=( "${!unique_templates[@]}" )
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FromHost=$(cat /etc/hostname)
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CurrentEpochTime=$(date +"%Y-%m-%dT%H:%M:%S")
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@ -23,49 +47,96 @@ CurrentEpochSeconds=$(date +%s)
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NotifyError=false
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for template in "${enabled_notify_templates[@]}"; do
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source_if_exists_or_fail "${ScriptWorkDir}/notify_${template}.sh" || \
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source_if_exists_or_fail "${ScriptWorkDir}/notify_templates/notify_${template}.sh" || \
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printf "The notification channel template ${template} is enabled, but notify_${template}.sh was not found. Check the ${ScriptWorkDir} directory or the notify_templates subdirectory.\n"
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done
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skip_snooze() {
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local UpperChannel="${1^^}"
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local SkipSnoozeVar="${UpperChannel}_SKIPSNOOZE"
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if [[ "${!SkipSnoozeVar:-}" == "true" ]]; then
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printf "true"
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else
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printf "false"
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fi
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}
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allow_empty() {
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local UpperChannel="${1^^}"
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local AllowEmptyVar="${UpperChannel}_ALLOWEMPTY"
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if [[ "${!AllowEmptyVar:-}" == "true" ]]; then
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printf "true"
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else
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printf "false"
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fi
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}
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containers_only() {
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local UpperChannel="${1^^}"
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local ContainersOnlyVar="${UpperChannel}_CONTAINERSONLY"
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if [[ "${!ContainersOnlyVar:-}" == "true" ]]; then
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printf "true"
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else
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printf "false"
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fi
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}
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output_format() {
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local UpperChannel="${1^^}"
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local OutputFormatVar="${UpperChannel}_OUTPUT"
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if [[ -z "${!OutputFormatVar:-}" ]]; then
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printf "text"
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else
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printf "${!OutputFormatVar:-}"
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fi
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}
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remove_channel() {
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local temp_array=()
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for channel in "${enabled_notify_channels[@]}"; do
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[[ "${channel}" != "$1" ]] && temp_array+=("${channel}")
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local channel_template=$(get_channel_template "${channel}")
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[[ "${channel_template}" != "$1" ]] && temp_array+=("${channel}")
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done
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enabled_notify_channels=( "${temp_array[@]}" )
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}
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for channel in "${enabled_notify_channels[@]}"; do
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source_if_exists_or_fail "${ScriptWorkDir}/notify_${channel}.sh" || \
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source_if_exists_or_fail "${ScriptWorkDir}/notify_templates/notify_${channel}.sh" || \
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printf "The notification channel ${channel} is enabled, but notify_${channel}.sh was not found. Check the ${ScriptWorkDir} directory or the notify_templates subdirectory.\n"
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done
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notify_containers_count() {
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unset NotifyContainers
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NotifyContainers=()
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[[ ! -f "${SnoozeFile}" ]] && touch "${SnoozeFile}"
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for update in "$@"
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do
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read -a container <<< "${update}"
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found=$(grep -w "${container[0]}" "${SnoozeFile}" || printf "")
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is_snoozed() {
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if [[ -n "${snooze}" ]] && [[ -f "${SnoozeFile}" ]]; then
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local found=$(grep -w "$1" "${SnoozeFile}" || printf "")
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if [[ -n "${found}" ]]; then
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read -a arr <<< "${found}"
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CheckEpochSeconds=$(( $(date -d "${arr[1]}" +%s 2>/dev/null) + ${snooze} - 60 )) || CheckEpochSeconds=$(( $(date -f "%Y-%m-%d" -j "${arr[1]}" +%s) + ${snooze} - 60 ))
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if [[ "${CurrentEpochSeconds}" -gt "${CheckEpochSeconds}" ]]; then
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NotifyContainers+=("${update}")
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if [[ "${CurrentEpochSeconds}" -le "${CheckEpochSeconds}" ]]; then
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printf "true"
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else
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printf "false"
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fi
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else
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NotifyContainers+=("${update}")
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printf "false"
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fi
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else
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printf "false"
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fi
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}
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unsnoozed_count() {
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unset Unsnoozed
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Unsnoozed=()
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for element in "$@"
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do
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read -a item <<< "${element}"
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if [[ $(is_snoozed "${item[0]}") == "false" ]]; then
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Unsnoozed+=("${element}")
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fi
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done
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printf "${#NotifyContainers[@]}"
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printf "${#Unsnoozed[@]}"
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}
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update_snooze() {
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[[ ! -f "${SnoozeFile}" ]] && touch "${SnoozeFile}"
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for arg in "$@"
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do
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read -a entry <<< "${arg}"
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@ -85,8 +156,6 @@ cleanup_snooze() {
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NotifyEntries=()
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switch=""
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[[ ! -f "${SnoozeFile}" ]] && touch "${SnoozeFile}"
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for arg in "$@"
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do
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read -a entry <<< "${arg}"
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@ -105,41 +174,130 @@ cleanup_snooze() {
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done <<< "$(grep ${switch} '\.sh ' ${SnoozeFile})"
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}
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format_output() {
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local UpdateType="$1"
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local OutputFormat="$2"
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local FormattedTextTemplate="$3"
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local tempcsv=""
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if [[ ! "${UpdateType}" == "dockcheck_update" ]]; then
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tempcsv="${UpdToString// -> /,}"
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tempcsv="${tempcsv//.sh /.sh,}"
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else
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tempcsv="${UpdToString}"
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fi
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if [[ "${OutputFormat}" == "csv" ]]; then
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if [[ -z "${UpdToString}" ]]; then
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FormattedOutput="None"
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else
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FormattedOutput="${tempcsv}"
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fi
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elif [[ "${OutputFormat}" == "json" ]]; then
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if [[ -z "${UpdToString}" ]]; then
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FormattedOutput='{"updates": []}'
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else
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if [[ "${UpdateType}" == "container_update" ]]; then
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# container updates case
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FormattedOutput=$(jq --compact-output --null-input --arg updates "${tempcsv}" '($updates | split("\\n")) | map(split(",")) | {"updates": map({"container_name": .[0], "release_notes": .[1]})} | del(..|nulls)')
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elif [[ "${UpdateType}" == "notify_update" ]]; then
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# script updates case
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FormattedOutput=$(jq --compact-output --null-input --arg updates "${tempcsv}" '($updates | split("\\n")) | map(split(",")) | {"updates": map({"script_name": .[0], "installed_version": .[1], "latest_version": .[2]})}')
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elif [[ "${UpdateType}" == "dockcheck_update" ]]; then
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# dockcheck update case
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FormattedOutput=$(jq --compact-output --null-input --arg updates "${tempcsv}" '($updates | split("\\n")) | map(split(",")) | {"updates": map({"script_name": .[0], "installed_version": .[1], "latest_version": .[2], "release_notes": (.[3:] | join(","))})}')
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else
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FormattedOutput="Invalid input"
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fi
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fi
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else
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if [[ -z "${UpdToString}" ]]; then
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FormattedOutput="None"
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else
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if [[ "${UpdateType}" == "container_update" ]]; then
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FormattedOutput="${FormattedTextTemplate/<insert_text_cu>/${UpdToString}}"
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elif [[ "${UpdateType}" == "notify_update" ]]; then
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FormattedOutput="${FormattedTextTemplate/<insert_text_nu>/${UpdToString}}"
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elif [[ "${UpdateType}" == "dockcheck_update" ]]; then
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FormattedOutput="${FormattedTextTemplate/<insert_text_iv>/$4}"
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FormattedOutput="${FormattedOutput/<insert_text_lv>/$5}"
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FormattedOutput="${FormattedOutput/<insert_text_rn>/$6}"
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else
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FormattedOutput="Invalid input"
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fi
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fi
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fi
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}
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skip_notification() {
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# Skip notification logic. Default to false. Handle all cases, and only those cases, where notifications should be skipped.
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local SkipNotification="false"
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local Channel="$1"
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local UnsnoozedCount="$2"
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local NotificationType="$3"
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if [[ $(containers_only "${Channel}") == "true" ]] && [[ "${NotificationType}" != "container" ]]; then
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# Do not send notifications through channels only configured for container update notifications
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SkipNotification="true"
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else
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# Handle empty update cases separately
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if [[ -z "${UpdToString}" ]]; then
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if [[ $(allow_empty "${Channel}") == "false" ]]; then
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# Do not send notifications if there are none and allow_empty is false
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SkipNotification="true"
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fi
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else
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if [[ $(skip_snooze "${Channel}") == "false" ]] && [[ ${UnsnoozedCount} -eq 0 ]]; then
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# Do not send notifications if there are any, they are all snoozed, and skip_snooze is false
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SkipNotification="true"
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fi
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fi
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fi
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printf "${SkipNotification}"
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}
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send_notification() {
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[[ -s "$ScriptWorkDir"/urls.list ]] && releasenotes || Updates=("$@")
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if [[ -n "${snooze}" ]] && [[ -f "${SnoozeFile}" ]]; then
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UpdNotifyCount=$(notify_containers_count "${Updates[@]}")
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else
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UpdNotifyCount="${#Updates[@]}"
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fi
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NotifyError=false
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if [[ "${UpdNotifyCount}" -gt 0 ]]; then
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UpdToString=$( printf '%s\\n' "${Updates[@]}" )
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UpdToString=${UpdToString%\\n}
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for channel in "${enabled_notify_channels[@]}"; do
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printf "\nSending ${channel} notification\n"
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# To be added in the MessageBody if "-d X" was used
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# leading space is left intentionally for clean output
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[[ -n "$DaysOld" ]] && msgdaysold="with images ${DaysOld}+ days old " || msgdaysold=""
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MessageTitle="$FromHost - updates ${msgdaysold}available."
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# Setting the MessageBody variable here.
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printf -v MessageBody "🐋 Containers on $FromHost with updates available:\n${UpdToString}\n"
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exec_if_exists_or_fail trigger_${channel}_notification || \
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printf "Attempted to send notification to channel ${channel}, but the function was not found. Make sure notify_${channel}.sh is available in the ${ScriptWorkDir} directory or notify_templates subdirectory.\n"
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done
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[[ -n "${snooze}" ]] && [[ "${NotifyError}" == "false" ]] && update_snooze "${Updates[@]}"
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fi
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[[ -n "${snooze}" ]] && cleanup_snooze "${Updates[@]}"
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UnsnoozedContainers=$(unsnoozed_count "${Updates[@]}")
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NotifyError=false
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Notified="false"
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# To be added in the MessageBody if "-d X" was used
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# Trailing space is left intentionally for clean output
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[[ -n "$DaysOld" ]] && msgdaysold="with images ${DaysOld}+ days old " || msgdaysold=""
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MessageTitle="$FromHost - updates ${msgdaysold}available."
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UpdToString=$( printf '%s\\n' "${Updates[@]}" )
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UpdToString="${UpdToString%, }"
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UpdToString=${UpdToString%\\n}
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for channel in "${enabled_notify_channels[@]}"; do
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local SkipNotification=$(skip_notification "${channel}" "${UnsnoozedContainers}" "container")
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if [[ "${SkipNotification}" == "false" ]]; then
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local template=$(get_channel_template "${channel}")
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# Formats UpdToString variable per channel settings
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format_output "container_update" "$(output_format "${channel}")" "🐋 Containers on $FromHost with updates available:\n<insert_text_cu>\n"
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# Setting the MessageBody variable here.
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printf -v MessageBody "${FormattedOutput}"
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printf "\nSending ${channel} notification"
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exec_if_exists_or_fail trigger_${template}_notification "${channel}" || \
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printf "\nAttempted to send notification to channel ${channel}, but the function was not found. Make sure notify_${template}.sh is available in the ${ScriptWorkDir} directory or notify_templates subdirectory."
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Notified="true"
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fi
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done
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if [[ "${Notified}" == "true" ]]; then
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[[ -n "${snooze}" ]] && [[ -n "${UpdToString}" ]] && [[ "${NotifyError}" == "false" ]] && update_snooze "${Updates[@]}"
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printf "\n"
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fi
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return 0
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}
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@ -147,37 +305,34 @@ send_notification() {
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### to not send notifications when dockcheck itself has updates.
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dockcheck_notification() {
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if [[ ! "${DISABLE_DOCKCHECK_NOTIFICATION:-}" == "true" ]]; then
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DockcheckNotify=false
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UnsnoozedDockcheck=$(unsnoozed_count "dockcheck\.sh")
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NotifyError=false
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Notified=false
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if [[ -n "${snooze}" ]] && [[ -f "${SnoozeFile}" ]]; then
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found=$(grep -w "dockcheck\.sh" "${SnoozeFile}" || printf "")
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if [[ -n "${found}" ]]; then
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read -a arr <<< "${found}"
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CheckEpochSeconds=$(( $(date -d "${arr[1]}" +%s 2>/dev/null) + ${snooze} - 60 )) || CheckEpochSeconds=$(( $(date -f "%Y-%m-%d" -j "${arr[1]}" +%s) + ${snooze} - 60 ))
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if [[ "${CurrentEpochSeconds}" -gt "${CheckEpochSeconds}" ]]; then
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DockcheckNotify=true
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fi
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else
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DockcheckNotify=true
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MessageTitle="$FromHost - New version of dockcheck available."
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UpdToString="dockcheck.sh,$1,$2,\"$3\""
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for channel in "${enabled_notify_channels[@]}"; do
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local SkipNotification=$(skip_notification "${channel}" "${UnsnoozedDockcheck}" "dockcheck")
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if [[ "${SkipNotification}" == "false" ]]; then
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local template=$(get_channel_template "${channel}")
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# Formats UpdToString variable per channel settings
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format_output "dockcheck_update" "$(output_format "${channel}")" "Installed version: <insert_text_iv>\nLatest version: <insert_text_lv>\n\nChangenotes: <insert_text_rn>\n" "$1" "$2" "$3"
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# Setting the MessageBody variable here.
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printf -v MessageBody "${FormattedOutput}"
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printf "\nSending dockcheck update notification - ${channel}"
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exec_if_exists_or_fail trigger_${template}_notification "${channel}" || \
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printf "\nAttempted to send notification to channel ${channel}, but the function was not found. Make sure notify_${template}.sh is available in the ${ScriptWorkDir} directory or notify_templates subdirectory."
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Notified="true"
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fi
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else
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DockcheckNotify=true
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fi
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if [[ "${DockcheckNotify}" == "true" ]]; then
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MessageTitle="$FromHost - New version of dockcheck available."
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# Setting the MessageBody variable here.
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printf -v MessageBody "Installed version: $1\nLatest version: $2\n\nChangenotes: $3\n"
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if [[ ${#enabled_notify_channels[@]} -gt 0 ]]; then printf "\n"; fi
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for channel in "${enabled_notify_channels[@]}"; do
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printf "Sending dockcheck update notification - ${channel}\n"
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exec_if_exists_or_fail trigger_${channel}_notification || \
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printf "Attempted to send notification to channel ${channel}, but the function was not found. Make sure notify_${channel}.sh is available in the ${ScriptWorkDir} directory or notify_templates subdirectory.\n"
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done
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done
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if [[ "${Notified}" == "true" ]]; then
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[[ -n "${snooze}" ]] && [[ "${NotifyError}" == "false" ]] && update_snooze "dockcheck.sh"
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printf "\n"
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fi
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fi
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@ -188,68 +343,63 @@ dockcheck_notification() {
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### to not send notifications when notify scripts themselves have updates.
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notify_update_notification() {
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if [[ ! "${DISABLE_NOTIFY_NOTIFICATION:-}" == "true" ]]; then
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NotifyUpdateNotify=false
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NotifyError=false
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NotifyUpdates=()
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Notified=false
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UpdateChannels=( "${enabled_notify_channels[@]}" "v2" )
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UpdateChannels=( "${enabled_notify_templates[@]}" "v2" )
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for NotifyScript in "${UpdateChannels[@]}"; do
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UpperChannel=$(tr '[:lower:]' '[:upper:]' <<< "$NotifyScript")
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UpperChannel="${NotifyScript^^}"
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VersionVar="NOTIFY_${UpperChannel}_VERSION"
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if [[ -n "${!VersionVar:-}" ]]; then
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RawNotifyUrl="https://raw.githubusercontent.com/mag37/dockcheck/main/notify_templates/notify_${NotifyScript}.sh"
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LatestNotifySnippet="$(curl ${CurlArgs} -r 0-150 "$RawNotifyUrl" || printf "undefined")"
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LatestNotifyRelease="$(echo "$LatestNotifySnippet" | sed -n "/${VersionVar}/s/${VersionVar}=//p" | tr -d '"')"
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if [[ ! "${LatestNotifyRelease}" == "undefined" ]]; then
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if [[ ! "${LatestNotifySnippet}" == "undefined" ]]; then
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LatestNotifyRelease="$(echo "$LatestNotifySnippet" | sed -n "/${VersionVar}/s/${VersionVar}=//p" | tr -d '"')"
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if [[ "${!VersionVar}" != "${LatestNotifyRelease}" ]] ; then
|
||||
NotifyUpdates+=("${NotifyScript}.sh ${!VersionVar} -> ${LatestNotifyRelease}")
|
||||
NotifyUpdates+=("${NotifyScript}.sh ${!VersionVar} -> ${LatestNotifyRelease}")
|
||||
fi
|
||||
fi
|
||||
fi
|
||||
done
|
||||
|
||||
if [[ -n "${snooze}" ]] && [[ -f "${SnoozeFile}" ]]; then
|
||||
for update in "${NotifyUpdates[@]}"; do
|
||||
read -a NotifyScript <<< "${update}"
|
||||
found=$(grep -w "${NotifyScript}" "${SnoozeFile}" || printf "")
|
||||
if [[ -n "${found}" ]]; then
|
||||
read -a arr <<< "${found}"
|
||||
CheckEpochSeconds=$(( $(date -d "${arr[1]}" +%s 2>/dev/null) + ${snooze} - 60 )) || CheckEpochSeconds=$(( $(date -f "%Y-%m-%d" -j "${arr[1]}" +%s) + ${snooze} - 60 ))
|
||||
if [[ "${CurrentEpochSeconds}" -gt "${CheckEpochSeconds}" ]]; then
|
||||
NotifyUpdateNotify=true
|
||||
fi
|
||||
else
|
||||
NotifyUpdateNotify=true
|
||||
fi
|
||||
done
|
||||
else
|
||||
NotifyUpdateNotify=true
|
||||
fi
|
||||
|
||||
if [[ "${NotifyUpdateNotify}" == "true" ]]; then
|
||||
if [[ "${#NotifyUpdates[@]}" -gt 0 ]]; then
|
||||
UpdToString=$( printf '%s\\n' "${NotifyUpdates[@]}" )
|
||||
UpdToString=${UpdToString%\\n}
|
||||
NotifyError=false
|
||||
|
||||
MessageTitle="$FromHost - New version of notify templates available."
|
||||
|
||||
printf -v MessageBody "Notify templates on $FromHost with updates available:\n${UpdToString}\n"
|
||||
|
||||
for channel in "${enabled_notify_channels[@]}"; do
|
||||
printf "Sending notify template update notification - ${channel}\n"
|
||||
exec_if_exists_or_fail trigger_${channel}_notification || \
|
||||
printf "Attempted to send notification to channel ${channel}, but the function was not found. Make sure notify_${channel}.sh is available in the ${ScriptWorkDir} directory or notify_templates subdirectory.\n"
|
||||
done
|
||||
|
||||
[[ -n "${snooze}" ]] && [[ "${NotifyError}" == "false" ]] && update_snooze "${NotifyUpdates[@]}"
|
||||
fi
|
||||
fi
|
||||
|
||||
UpdatesPlusDockcheck=("${NotifyUpdates[@]}")
|
||||
UpdatesPlusDockcheck+=("dockcheck.sh")
|
||||
[[ -n "${snooze}" ]] && cleanup_snooze "${UpdatesPlusDockcheck[@]}"
|
||||
|
||||
UnsnoozedTemplates=$(unsnoozed_count "${NotifyUpdates[@]}")
|
||||
|
||||
MessageTitle="$FromHost - New version of notify templates available."
|
||||
|
||||
UpdToString=$( printf '%s\\n' "${NotifyUpdates[@]}" )
|
||||
UpdToString="${UpdToString%, }"
|
||||
UpdToString=${UpdToString%\\n}
|
||||
|
||||
for channel in "${enabled_notify_channels[@]}"; do
|
||||
local SkipNotification=$(skip_notification "${channel}" "${UnsnoozedTemplates}" "notify")
|
||||
|
||||
if [[ "${SkipNotification}" == "false" ]]; then
|
||||
local template=$(get_channel_template "${channel}")
|
||||
|
||||
# Formats UpdToString variable per channel settings
|
||||
format_output "notify_update" "$(output_format "${channel}")" "Notify templates on $FromHost with updates available:\n<insert_text_nu>\n"
|
||||
|
||||
# Setting the MessageBody variable here.
|
||||
printf -v MessageBody "${FormattedOutput}"
|
||||
|
||||
printf "\nSending notify template update notification - ${channel}"
|
||||
exec_if_exists_or_fail trigger_${template}_notification "${channel}" || \
|
||||
printf "\nAttempted to send notification to channel ${channel}, but the function was not found. Make sure notify_${template}.sh is available in the ${ScriptWorkDir} directory or notify_templates subdirectory."
|
||||
Notified="true"
|
||||
fi
|
||||
done
|
||||
|
||||
if [[ "${Notified}" == "true" ]]; then
|
||||
[[ -n "${snooze}" ]] && [[ -n "${UpdToString}" ]] && [[ "${NotifyError}" == "false" ]] && update_snooze "${NotifyUpdates[@]}"
|
||||
printf "\n"
|
||||
fi
|
||||
fi
|
||||
|
||||
return 0
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue