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gravity-sync
executable file
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gravity-sync
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#!/usr/bin/env bash
# shellcheck disable=SC2086,SC1091
GS_RUN_START=$SECONDS
# GRAVITY SYNC BY VMSTAN #####################
PROGRAM='Gravity Sync'
GS_VERSION='4.0.7'
# For documentation or the changelog/updates visit https://github.com/vmstan/gravity-sync
# Requires Pi-Hole 5.x or higher already be installed, for help visit https://pi-hole.net
# REQUIRED SETTINGS ##########################
# Run 'gravity-sync config' to get started, it will customize the script for your environment
# You should NOT to change the values of any variables here, to customize your install
# Only add replacement variables to gravity-sync.conf, which will overwrite these defaults
# Gravity Sync 4.0 introduces a new configuration file format, there is no direct upgrade path
# CUSTOM VARIABLES ###########################
# Pi-hole Folder/File Customization - Only need to be customized when using containers
LOCAL_PIHOLE_DIRECTORY=${LOCAL_PIHOLE_DIRECTORY:-'/etc/pihole'} # replace in gravity-sync.conf to overwrite
REMOTE_PIHOLE_DIRECTORY=${REMOTE_PIHOLE_DIRECTORY:-'/etc/pihole'} # replace in gravity-sync.conf to overwrite
LOCAL_DNSMASQ_DIRECTORY=${LOCAL_DNSMASQ_DIRECTORY:-'/etc/dnsmasq.d'} # replace in gravity-sync.conf to overwrite
REMOTE_DNSMASQ_DIRECTORY=${REMOTE_DNSMASQ_DIRECTORY:-'/etc/dnsmasq.d'} # replace in gravity-sync.conf to overwrite
LOCAL_FILE_OWNER=${LOCAL_FILE_OWNER:-'pihole:pihole'} # replace in gravity-sync.conf to overwrite
REMOTE_FILE_OWNER=${REMOTE_FILE_OWNER:-'pihole:pihole'} # replace in gravity-sync.conf to overwrite
# Pi-hole Docker/Podman container name - Docker will pattern match anything set below
LOCAL_DOCKER_CONTAINER=${LOCAL_DOCKER_CONTAINER:-'pihole'} # replace in gravity-sync.conf to overwrite
REMOTE_DOCKER_CONTAINER=${REMOTE_DOCKER_CONTAINER:-'pihole'} # replace in gravity-sync.conf to overwrite
# STANDARD VARIABLES #########################
DEFAULT_PIHOLE_DIRECTORY=${DEFAULT_PIHOLE_DIRECTORY:-'/etc/pihole'} # Default Pi-hole data directory
LOCAL_PIHOLE_BINARY=${LOCAL_PIHOLE_BINARY:-'/usr/local/bin/pihole'} # Local Pi-hole binary directory (default)
REMOTE_PIHOLE_BINARY=${REMOTE_PIHOLE_BINARY:-'/usr/local/bin/pihole'} # Remote Pi-hole binary directory (default)
LOCAL_FTL_BINARY=${LOCAL_FTL_BINARY:-'/usr/bin/pihole-FTL'} # Local FTL binary directory (default)
REMOTE_FTL_BINARY=${REMOTE_FTL_BINARY:-'/usr/bin/pihole-FTL'} # Remote FTL binary directory (default)
LOCAL_DOCKER_BINARY=${LOCAL_DOCKER_BINARY:-'/usr/bin/docker'} # Local Docker binary directory (default)
REMOTE_DOCKER_BINARY=${REMOTE_DOCKER_BINARY:-'/usr/bin/docker'} # Remote Docker binary directory (default)
LOCAL_PODMAN_BINARY=${LOCAL_PODMAN_BINARY:-'/usr/bin/podman'} # Local Podman binary directory (default)
REMOTE_PODMAN_BINARY=${REMOTE_PODMAN_BINARY:-'/usr/bin/podman'} # Remote Podman binary directory (default)
PIHOLE_CONTAINER_IMAGE=${PIHOLE_CONTAINER_IMAGE:-'pihole/pihole'} # Official Pi-hole container image name
###############################################
####### THE NEEDS OF THE MANY, OUTWEIGH #######
############ THE NEEDS OF THE FEW #############
###############################################
PH_GRAVITY_FI=${PH_GRAVITY_FI:-'gravity.db'} # Pi-hole database file name
PH_CUSTOM_DNS=${PH_CUSTOM_DNS:-'custom.list'} # Pi-hole DNS lookup filename
PH_CNAME_CONF=${PH_CNAME_CONF:-'05-pihole-custom-cname.conf'} # DNSMASQ CNAME alias file
PH_SDHCP_CONF=${PH_SDHCP_CONF:-'04-pihole-static-dhcp.conf'} # DNSMASQ Static DHCP file
# Backup Customization
GS_BACKUP_TIMEOUT=${GS_BACKUP_TIMEOUT:-'240'} # replace in gravity-sync.conf to overwrite
GS_BACKUP_INTEGRITY_WAIT=${GS_BACKUP_INTEGRITY_WAIT:-'5'} # replace in gravity-sync.conf to overwrite
GS_BACKUP_EXT=${GS_BACKUP_EXT:-'gsb'} # replace in gravity-sync.conf to overwrite
# GS Folder/File Locations
GS_FILEPATH='/usr/local/bin/gravity-sync'
GS_ETC_PATH=${GS_ETC_PATH:-"/etc/gravity-sync"} # replace in gravity-sync.conf to overwrite
GS_CONFIG_FILE=${GS_CONFIG_FILE:-'gravity-sync.conf'} # replace in gravity-sync.conf to overwrite
GS_SYNCING_LOG=${GS_SYNCING_LOG:-'gs-sync.log'} # replace in gravity-sync.conf to overwrite
GS_GRAVITY_FI_MD5_LOG=${GS_GRAVITY_FI_MD5_LOG:-'gs-gravity.md5'} # replace in gravity-sync.conf to overwrite
GS_CUSTOM_DNS_MD5_LOG=${GS_CUSTOM_DNS_MD5_LOG:-'gs-clist.md5'} # replace in gravity-sync.conf to overwrite
GS_CNAME_CONF_MD5_LOG=${GS_CNAME_CONF_MD5_LOG:-'05-pihole-custom-cname.conf.md5'} # replace in gravity-sync.conf to overwrite
GS_SDHCP_CONF_MD5_LOG=${GS_SDHCP_CONF_MD5_LOG:-'04-pihole-static-dhcp.conf.md5'} # replace in gravity-sync.conf to overwrite
# SSH Customization
GS_SSH_PORT=${GS_SSH_PORT:-'22'} # replace in gravity-sync.conf to overwrite
GS_SSH_PKIF=${GS_SSH_PKIF:-"${GS_ETC_PATH}/gravity-sync.rsa"} # replace in gravity-sync.conf to overwrite
# Github Customization
GS_LOCAL_REPO=${GS_LOCAL_REPO:-"${GS_ETC_PATH}/.gs"} # replace in gravity-sync.conf to overwrite
# OS Settings
OS_DAEMON_PATH='/etc/systemd/system'
OS_TMP='/tmp'
OS_SSH_CMD='ssh'
# Interface Settings
UI_GRAVITY_NAME='Gravity Database'
UI_CUSTOM_NAME='DNS Records'
UI_CNAME_NAME='DNS CNAMEs'
UI_SDHCP_NAME='Static DHCP Addresses'
# Reused UI Text
UI_CORE_LOADING='Loading'
UI_CORE_EVALUATING='Evaluating arguments'
UI_CORE_INIT="Initializing ${PROGRAM} (${GS_VERSION})"
UI_CORE_APP='Pi-hole'
UI_CORE_APP_DNS='DNSMASQ'
UI_EXIT_CALC_END='after'
UI_EXIT_ABORT='exited'
UI_EXIT_COMPLETE='completed'
UI_EXIT_CALC_TIMER='seconds'
UI_HASHING_HASHING='Hashing the remote'
UI_HASHING_COMPARING='Comparing to the local'
UI_HASHING_DIFFERENCE='Differences detected in the'
UI_HASHING_DETECTED='has been detected on the'
UI_HASHING_NOT_DETECTED='not detected on the'
UI_HASHING_REMOTE="remote ${UI_CORE_APP}"
UI_HASHING_LOCAL="local ${UI_CORE_APP}"
UI_HASHING_REHASHING='Rehashing the remote'
UI_HASHING_RECOMPARING='Recomparing to local'
UI_VALIDATING='Validating pathways to'
UI_VALIDATING_FAIL_CONTAINER='Unable to validate running container instance of'
UI_VALIDATING_FAIL_FOLDER='Unable to validate configuration folder for'
UI_VALIDATING_FAIL_BINARY='Unable to validate the availability of'
UI_SET_LOCAL_FILE_OWNERSHIP='Setting file ownership on'
UI_SET_FILE_PERMISSION='Setting file permissions on'
UI_PULL_REMOTE='Pulling the remote'
UI_PUSH_LOCAL='Pushing the local'
UI_REPLACE_LOCAL='Replacing the local'
UI_FTLDNS_CONFIG_PULL_RELOAD='Reloading local FTLDNS services'
UI_FTLDNS_CONFIG_PUSH_RELOAD='Reloading remote FTLDNS services'
UI_LOGGING_RECENT_COMPLETE='Recent complete executions of'
UI_BACKUP_REMOTE='Performing backup of remote'
UI_BACKUP_LOCAL='Performing backup of local'
UI_BACKUP_INTEGRITY="Checking ${UI_GRAVITY_NAME} copy integrity"
UI_BACKUP_INTEGRITY_FAILED='Integrity check has failed for the remote'
UI_BACKUP_INTEGRITY_DELETE='Removing failed copies'
UI_CONFIG_ALREADY='already exists'
UI_CONFIG_CONFIRM='Proceeding will replace your existing configuration'
UI_CONFIG_ERASING='Erasing existing'
UI_CONFIG_LOCAL='local host'
UI_CONFIG_CONTAINER_NAME='container name'
UI_CONFIG_SAVING='Saving'
UI_CONFIG_ETC_VOLUME_PATH="'etc' volume path"
UI_CONFIG_VOLUME_OWNER='volume ownership'
## Script Colors
RED='\033[0;91m'
GREEN='\033[0;92m'
CYAN='\033[0;96m'
YELLOW='\033[0;93m'
PURPLE='\033[0;95m'
BLUE='\033[0;94m'
BOLD='\033[1m'
NC='\033[0m'
## Message Codes
FAIL="${RED}✗${NC}"
WARN="${PURPLE}!${NC}"
GOOD="${GREEN}✓${NC}"
STAT="${CYAN}∞${NC}"
INFO="${YELLOW}»${NC}"
INF1="${CYAN}›${NC}"
NEED="${BLUE}?${NC}"
LOGO="${PURPLE}∞${NC}"
## Echo Stack
### Informative
function echo_info {
echo -e "${INFO} ${YELLOW}${MESSAGE}${NC}"
}
function echo_prompt {
echo -e "${INF1} ${CYAN}${MESSAGE}${NC}"
}
### Warning
function echo_warn {
echo -e "${WARN} ${PURPLE}${MESSAGE}${NC}"
}
### Executing
function echo_stat {
echo -en "${STAT} ${MESSAGE}"
}
### Success
function echo_good {
echo -e "\r${GOOD} ${MESSAGE}"
}
### Success
function echo_good_clean {
echo -e "\r${GOOD} ${MESSAGE}"
}
### Failure
function echo_fail {
echo -e "\r${FAIL} ${MESSAGE}"
}
### Request
function echo_need {
echo -en "${NEED} ${BOLD}${MESSAGE}:${NC} "
}
### Indent
function echo_over {
echo -e " ${MESSAGE}"
}
### Gravity Sync Logo
function echo_grav {
echo -e "${LOGO} ${BOLD}${MESSAGE}${NC}"
}
### Lines
function echo_blank {
echo -e ""
}
# Standard Output
function start_gs {
MESSAGE="${UI_CORE_INIT}"
echo_grav
import_gs_config
detect_local_pihole
detect_remote_pihole
detect_gs_peer
set_pihole_exec
MESSAGE="${UI_CORE_EVALUATING}"
echo_stat
validate_sudo_status
}
# Standard Output No Config
function start_gs_no_config {
MESSAGE="${UI_CORE_INIT}"
echo_grav
MESSAGE="${UI_CORE_EVALUATING}"
echo_stat
}
## Import Settings
function import_gs_config {
MESSAGE="${UI_CORE_LOADING} ${GS_CONFIG_FILE}"
echo -en "${STAT} $MESSAGE"
if [ -f ${GS_ETC_PATH}/${GS_CONFIG_FILE} ]; then
# shellcheck source=/etc/gravity-sync/gravity-sync.conf
source ${GS_ETC_PATH}/${GS_CONFIG_FILE}
error_validate
else
echo_fail
MESSAGE="Missing ${GS_CONFIG_FILE}"
echo_warn
GS_TASK_TYPE='CONFIG'
config_generate
fi
}
## Invalid Tasks
function task_invalid {
start_gs_no_config
echo_fail
list_gs_arguments
}
## Error Validation
function error_validate {
if [ "$?" != "0" ]; then
echo_fail
exit 1
else
echo_good
fi
}
function set_pihole_exec {
if [ "$LOCAL_PIHOLE_TYPE" == "default" ]; then
PH_EXEC="${LOCAL_PIHOLE_BINARY}"
FTL_EXEC="${LOCAL_FTL_BINARY}"
elif [ "$LOCAL_PIHOLE_TYPE" == "docker" ]; then
PH_EXEC="sudo ${LOCAL_DOCKER_BINARY} exec $(sudo ${LOCAL_DOCKER_BINARY} ps -qf name=^${LOCAL_DOCKER_CONTAINER}$) pihole"
FTL_EXEC="sudo ${LOCAL_DOCKER_BINARY} exec $(sudo ${LOCAL_DOCKER_BINARY} ps -qf name=^${LOCAL_DOCKER_CONTAINER}$) pihole-FTL"
elif [ "$LOCAL_PIHOLE_TYPE" == "podman" ]; then
PH_EXEC="sudo ${LOCAL_PODMAN_BINARY} exec ${LOCAL_DOCKER_CONTAINER} pihole"
FTL_EXEC="sudo ${LOCAL_PODMAN_BINARY} exec ${LOCAL_DOCKER_CONTAINER} pihole-FTL"
fi
if [ "$REMOTE_PIHOLE_TYPE" == "default" ]; then
RH_EXEC="${REMOTE_PIHOLE_BINARY}"
RFTL_EXEC="${REMOTE_FTL_BINARY}"
elif [ "$REMOTE_PIHOLE_TYPE" == "docker" ]; then
RH_EXEC="sudo ${REMOTE_DOCKER_BINARY} exec \$(sudo ${REMOTE_DOCKER_BINARY} ps -qf name=^${REMOTE_DOCKER_CONTAINER}$) pihole"
RFTL_EXEC="sudo ${REMOTE_DOCKER_BINARY} exec \$(sudo ${REMOTE_DOCKER_BINARY} ps -qf name=^${REMOTE_DOCKER_CONTAINER}$) pihole-FTL"
elif [ "$REMOTE_PIHOLE_TYPE" == "podman" ]; then
RH_EXEC="sudo ${REMOTE_PODMAN_BINARY} exec ${REMOTE_DOCKER_CONTAINER} pihole"
RFTL_EXEC="sudo ${REMOTE_PODMAN_BINARY} exec ${REMOTE_DOCKER_CONTAINER} pihole-FTL"
fi
}
## Compare Task
function task_compare {
start_gs
GS_TASK_TYPE='COMPARE'
MESSAGE="${MESSAGE}: ${GS_TASK_TYPE}"
echo_good
show_target
validate_ph_folders
validate_dns_folders
previous_md5
md5_compare
exit_with_changes
}
## Pull Task
function task_pull {
start_gs
GS_TASK_TYPE='PULL'
MESSAGE="${MESSAGE}: ${GS_TASK_TYPE}"
echo_good
show_target
validate_ph_folders
validate_dns_folders
pull_gs
exit
}
## Pull Gravity
function pull_gs_grav {
backup_local_gravity
backup_remote_gravity
backup_remote_gravity_integrity
MESSAGE="${UI_PULL_REMOTE} ${UI_GRAVITY_NAME}"
echo_stat
RSYNC_REPATH="sudo rsync"
RSYNC_SOURCE="${REMOTE_USER}@${REMOTE_HOST}:${REMOTE_PIHOLE_DIRECTORY}/${PH_GRAVITY_FI}.${GS_BACKUP_EXT}"
RSYNC_TARGET="${OS_TMP}/${PH_GRAVITY_FI}.${GS_BACKUP_EXT}"
create_rsync_cmd
MESSAGE="${UI_REPLACE_LOCAL} ${UI_GRAVITY_NAME}"
echo_stat
sudo mv ${OS_TMP}/${PH_GRAVITY_FI}.${GS_BACKUP_EXT} ${LOCAL_PIHOLE_DIRECTORY}/${PH_GRAVITY_FI} >/dev/null 2>&1
error_validate
validate_gravity_permissions
}
## Pull Custom
function pull_gs_custom {
if [ "$REMOTE_PH_CUSTOM_DNS" == "1" ]; then
backup_local_custom
backup_remote_custom
MESSAGE="${UI_PULL_REMOTE} ${UI_CUSTOM_NAME}"
echo_stat
RSYNC_REPATH="sudo rsync"
RSYNC_SOURCE="${REMOTE_USER}@${REMOTE_HOST}:${REMOTE_PIHOLE_DIRECTORY}/${PH_CUSTOM_DNS}.${GS_BACKUP_EXT}"
RSYNC_TARGET="${OS_TMP}/${PH_CUSTOM_DNS}.${GS_BACKUP_EXT}"
create_rsync_cmd
MESSAGE="${UI_REPLACE_LOCAL} ${UI_CUSTOM_NAME}"
echo_stat
sudo mv ${OS_TMP}/${PH_CUSTOM_DNS}.${GS_BACKUP_EXT} ${LOCAL_PIHOLE_DIRECTORY}/${PH_CUSTOM_DNS} >/dev/null 2>&1
error_validate
validate_custom_permissions
fi
}
## Pull CNAME
function pull_gs_cname {
if [ "$REMOTE_CNAME_DNS" == "1" ]; then
backup_local_cname
backup_remote_cname
MESSAGE="${UI_PULL_REMOTE} ${UI_CNAME_NAME}"
echo_stat
RSYNC_REPATH="sudo rsync"
RSYNC_SOURCE="${REMOTE_USER}@${REMOTE_HOST}:${REMOTE_PIHOLE_DIRECTORY}/${PH_CNAME_CONF}.${GS_BACKUP_EXT}"
RSYNC_TARGET="${OS_TMP}/${PH_CNAME_CONF}.${GS_BACKUP_EXT}"
create_rsync_cmd
MESSAGE="${UI_REPLACE_LOCAL} ${UI_CNAME_NAME}"
echo_stat
sudo mv ${OS_TMP}/${PH_CNAME_CONF}.${GS_BACKUP_EXT} ${LOCAL_DNSMASQ_DIRECTORY}/${PH_CNAME_CONF} >/dev/null 2>&1
error_validate
validate_cname_permissions
fi
}
## Pull DHCP
function pull_gs_sdhcp {
if [ "$REMOTE_SDHCP_DNS" == "1" ]; then
backup_local_sdhcp
backup_remote_sdhcp
MESSAGE="${UI_PULL_REMOTE} ${UI_SDHCP_NAME}"
echo_stat
RSYNC_REPATH="sudo rsync"
RSYNC_SOURCE="${REMOTE_USER}@${REMOTE_HOST}:${REMOTE_PIHOLE_DIRECTORY}/${PH_SDHCP_CONF}.${GS_BACKUP_EXT}"
RSYNC_TARGET="${OS_TMP}/${PH_SDHCP_CONF}.${GS_BACKUP_EXT}"
create_rsync_cmd
MESSAGE="${UI_REPLACE_LOCAL} ${UI_SDHCP_NAME}"
echo_stat
sudo mv ${OS_TMP}/${PH_SDHCP_CONF}.${GS_BACKUP_EXT} ${LOCAL_DNSMASQ_DIRECTORY}/${PH_SDHCP_CONF} >/dev/null 2>&1
error_validate
validate_sdhcp_permissions
fi
}
## Pull Reload
function pull_gs_reload {
sleep 1
MESSAGE="Updating local FTLDNS configuration"
echo_stat
${PH_EXEC} restartdns reload-lists >/dev/null 2>&1
error_validate
if [ "${GS_TASK_TYPE}" == SMART ]; then
if [ "${REMOTE_DNS_CHANGE}" == "1" ] || [ "${LOCAL_DNS_CHANGE}" == "1" ] || [ "${REMOTE_CNAME_CHANGE}" == "1" ] || [ "${LOCAL_CNAME_CHANGE}" == "1" ] || [ "${REMOTE_SDHCP_CHANGE}" == "1" ] || [ "${LOCAL_SDHCP_CHANGE}" == "1" ]; then
MESSAGE="${UI_FTLDNS_CONFIG_PULL_RELOAD}"
echo_stat
${PH_EXEC} restartdns >/dev/null 2>&1
error_validate
fi
else
MESSAGE="${UI_FTLDNS_CONFIG_PULL_RELOAD}"
echo_stat
${PH_EXEC} restartdns >/dev/null 2>&1
error_validate
fi
}
## Pull Function
function pull_gs {
previous_md5
md5_compare
pull_gs_grav
pull_gs_custom
pull_gs_cname
pull_gs_sdhcp
pull_gs_reload
md5_recheck
logs_export
exit_with_changes
}
## Push Task
function task_push {
start_gs
GS_TASK_TYPE='PUSH'
MESSAGE="${MESSAGE}: ${GS_TASK_TYPE}"
echo_good
show_target
validate_ph_folders
validate_dns_folders
push_gs
exit
}
## Push Gravity
function push_gs_grav {
backup_remote_gravity
backup_local_gravity
backup_local_gravity_integrity
MESSAGE="${UI_PUSH_LOCAL} ${UI_GRAVITY_NAME}"
echo_stat
RSYNC_REPATH="sudo rsync"
RSYNC_SOURCE="${LOCAL_PIHOLE_DIRECTORY}/${PH_GRAVITY_FI}.${GS_BACKUP_EXT}"
RSYNC_TARGET="${REMOTE_USER}@${REMOTE_HOST}:${REMOTE_PIHOLE_DIRECTORY}/${PH_GRAVITY_FI}"
create_rsync_cmd
MESSAGE="${UI_SET_LOCAL_FILE_OWNERSHIP} ${UI_GRAVITY_NAME}"
echo_stat
CMD_TIMEOUT=$GS_BACKUP_TIMEOUT
CMD_REQUESTED="sudo chown ${REMOTE_FILE_OWNER} ${REMOTE_PIHOLE_DIRECTORY}/${PH_GRAVITY_FI}"
create_ssh_cmd
MESSAGE="${UI_SET_FILE_PERMISSION} ${UI_GRAVITY_NAME}"
echo_stat
CMD_TIMEOUT=$GS_BACKUP_TIMEOUT
CMD_REQUESTED="sudo chmod 664 ${REMOTE_PIHOLE_DIRECTORY}/${PH_GRAVITY_FI}"
create_ssh_cmd
}
## Push Custom
function push_gs_custom {
if [ "$REMOTE_PH_CUSTOM_DNS" == "1" ]; then
backup_remote_custom
backup_local_custom
MESSAGE="${UI_PUSH_LOCAL} ${UI_CUSTOM_NAME}"
echo_stat
RSYNC_REPATH="sudo rsync"
RSYNC_SOURCE="${LOCAL_PIHOLE_DIRECTORY}/${PH_CUSTOM_DNS}.${GS_BACKUP_EXT}"
RSYNC_TARGET="${REMOTE_USER}@${REMOTE_HOST}:${REMOTE_PIHOLE_DIRECTORY}/${PH_CUSTOM_DNS}"
create_rsync_cmd
MESSAGE="${UI_SET_LOCAL_FILE_OWNERSHIP} ${UI_CUSTOM_NAME}"
echo_stat
CMD_TIMEOUT=$GS_BACKUP_TIMEOUT
CMD_REQUESTED="sudo chown ${REMOTE_FILE_OWNER} ${REMOTE_PIHOLE_DIRECTORY}/${PH_CUSTOM_DNS}"
create_ssh_cmd
MESSAGE="${UI_SET_FILE_PERMISSION} ${UI_CUSTOM_NAME}"
echo_stat
CMD_TIMEOUT=$GS_BACKUP_TIMEOUT
CMD_REQUESTED="sudo chmod 644 ${REMOTE_PIHOLE_DIRECTORY}/${PH_CUSTOM_DNS}"
create_ssh_cmd
fi
}
## Push Custom
function push_gs_cname {
if [ "$REMOTE_CNAME_DNS" == "1" ]; then
backup_remote_cname
backup_local_cname
MESSAGE="${UI_PUSH_LOCAL} ${UI_CNAME_NAME}"
echo_stat
RSYNC_REPATH="sudo rsync"
RSYNC_SOURCE="${LOCAL_PIHOLE_DIRECTORY}/${PH_CNAME_CONF}.${GS_BACKUP_EXT}"
RSYNC_TARGET="${REMOTE_USER}@${REMOTE_HOST}:${REMOTE_DNSMASQ_DIRECTORY}/${PH_CNAME_CONF}"
create_rsync_cmd
MESSAGE="${UI_SET_LOCAL_FILE_OWNERSHIP} ${UI_CNAME_NAME}"
echo_stat
CMD_TIMEOUT=$GS_BACKUP_TIMEOUT
CMD_REQUESTED="sudo chown ${REMOTE_FILE_OWNER} ${REMOTE_DNSMASQ_DIRECTORY}/${PH_CNAME_CONF}"
create_ssh_cmd
MESSAGE="${UI_SET_FILE_PERMISSION} ${UI_CNAME_NAME}"
echo_stat
CMD_TIMEOUT=$GS_BACKUP_TIMEOUT
CMD_REQUESTED="sudo chmod 644 ${REMOTE_DNSMASQ_DIRECTORY}/${PH_CNAME_CONF}"
create_ssh_cmd
fi
}
## Push Custom
function push_gs_sdhcp {
if [ "$REMOTE_SDHCP_DNS" == "1" ]; then
backup_remote_sdhcp
backup_local_sdhcp
MESSAGE="${UI_PUSH_LOCAL} ${UI_SDHCP_NAME}"
echo_stat
RSYNC_REPATH="sudo rsync"
RSYNC_SOURCE="${LOCAL_PIHOLE_DIRECTORY}/${PH_SDHCP_CONF}.${GS_BACKUP_EXT}"
RSYNC_TARGET="${REMOTE_USER}@${REMOTE_HOST}:${REMOTE_DNSMASQ_DIRECTORY}/${PH_SDHCP_CONF}"
create_rsync_cmd
MESSAGE="${UI_SET_LOCAL_FILE_OWNERSHIP} ${UI_SDHCP_NAME}"
echo_stat
CMD_TIMEOUT=$GS_BACKUP_TIMEOUT
CMD_REQUESTED="sudo chown ${REMOTE_FILE_OWNER} ${REMOTE_DNSMASQ_DIRECTORY}/${PH_SDHCP_CONF}"
create_ssh_cmd
MESSAGE="${UI_SET_FILE_PERMISSION} ${UI_SDHCP_NAME}"
echo_stat
CMD_TIMEOUT=$GS_BACKUP_TIMEOUT
CMD_REQUESTED="sudo chmod 644 ${REMOTE_DNSMASQ_DIRECTORY}/${PH_SDHCP_CONF}"
create_ssh_cmd
fi
}
## Push Reload
function push_gs_reload {
sleep 1
MESSAGE="Updating remote FTLDNS configuration"
echo_stat
CMD_TIMEOUT=$GS_BACKUP_TIMEOUT
CMD_REQUESTED="${RH_EXEC} restartdns reload-lists"
create_ssh_cmd
if [ "${GS_TASK_TYPE}" == SMART ]; then
if [ "${REMOTE_DNS_CHANGE}" == "1" ] || [ "${LOCAL_DNS_CHANGE}" == "1" ] || [ "${REMOTE_CNAME_CHANGE}" == "1" ] || [ "${LOCAL_CNAME_CHANGE}" == "1" ] || [ "${REMOTE_SDHCP_CHANGE}" == "1" ] || [ "${LOCAL_SDHCP_CHANGE}" == "1" ]; then
MESSAGE="${UI_FTLDNS_CONFIG_PUSH_RELOAD}"
echo_stat
CMD_TIMEOUT=$GS_BACKUP_TIMEOUT
CMD_REQUESTED="${RH_EXEC} restartdns"
create_ssh_cmd
fi
else
MESSAGE="${UI_FTLDNS_CONFIG_PUSH_RELOAD}"
echo_stat
CMD_TIMEOUT=$GS_BACKUP_TIMEOUT
CMD_REQUESTED="${RH_EXEC} restartdns"
create_ssh_cmd
fi
}
## Push Function
function push_gs {
previous_md5
md5_compare
push_gs_grav
push_gs_custom
push_gs_cname
push_gs_sdhcp
push_gs_reload
md5_recheck
logs_export
exit_with_changes
}
## Smart Task
function task_smart {
start_gs
GS_TASK_TYPE='SMART'
MESSAGE="${MESSAGE}: ${GS_TASK_TYPE}"
echo_good
show_target
validate_ph_folders
validate_dns_folders
smart_gs
exit
}
## Smart Sync Function
function smart_gs {
MESSAGE="Starting ${GS_TASK_TYPE} Analysis"
echo_info
previous_md5
md5_compare
REMOTE_GRAVITY_CHANGE="0"
LOCAL_GRAVITY_CHANGE="0"
REMOTE_DNS_CHANGE="0"
LOCAL_DNS_CHANGE="0"
REMOTE_CNAME_CHANGE="0"
LOCAL_CNAME_CHANGE="0"
REMOTE_SDHCP_CHANGE="0"
LOCAL_SDHCP_CHANGE="0"
if [ "${REMOTE_DB_MD5}" != "${LAST_REMOTE_DB_MD5}" ]; then
REMOTE_GRAVITY_CHANGE="1"
fi
if [ "${LOCAL_DB_MD5}" != "${LAST_LOCAL_DB_MD5}" ]; then
LOCAL_GRAVITY_CHANGE="1"
fi
if [ "${REMOTE_GRAVITY_CHANGE}" == "${LOCAL_GRAVITY_CHANGE}" ]; then
if [ "${REMOTE_GRAVITY_CHANGE}" != "0" ]; then
MESSAGE="Both ${UI_GRAVITY_NAME} have changed"
echo_warn
REMOTE_GRAVITY_DATE=$(${OS_SSH_CMD} -p ${GS_SSH_PORT} -i "${GS_SSH_PKIF}" ${REMOTE_USER}@${REMOTE_HOST} "stat -c %Y ${REMOTE_PIHOLE_DIRECTORY}/${PH_GRAVITY_FI}")
LOCAL_GRAVITY_DATE=$(stat -c %Y ${LOCAL_PIHOLE_DIRECTORY}/${PH_GRAVITY_FI})
if (( "$REMOTE_GRAVITY_DATE" >= "$LOCAL_GRAVITY_DATE" )); then
MESSAGE="Remote ${UI_GRAVITY_NAME} was last changed"
echo_warn
pull_gs_grav
GS_PULL_RESTART="1"
else
MESSAGE="Local ${UI_GRAVITY_NAME} was last changed"
echo_warn
push_gs_grav
GS_PUSH_RESTART="1"
fi
fi
else
if [ "${REMOTE_GRAVITY_CHANGE}" != "0" ]; then
pull_gs_grav
GS_PULL_RESTART="1"
elif [ "${LOCAL_GRAVITY_CHANGE}" != "0" ]; then
push_gs_grav
GS_PUSH_RESTART="1"
fi
fi
if [ "${REMOTE_CL_MD5}" != "${LAST_REMOTE_CL_MD5}" ]; then
REMOTE_DNS_CHANGE="1"
fi
if [ "${LOCAL_CL_MD5}" != "${LAST_LOCAL_CL_MD5}" ]; then
LOCAL_DNS_CHANGE="1"
fi
if [ -f "${LOCAL_PIHOLE_DIRECTORY}/${PH_CUSTOM_DNS}" ]; then
if [ "${REMOTE_DNS_CHANGE}" == "${LOCAL_DNS_CHANGE}" ]; then
if [ "${REMOTE_DNS_CHANGE}" != "0" ]; then
MESSAGE="Both ${UI_CUSTOM_NAME} have changed"
echo_warn
REMOTE_DNS_DATE=$(${OS_SSH_CMD} -p ${GS_SSH_PORT} -i "${GS_SSH_PKIF}" ${REMOTE_USER}@${REMOTE_HOST} "stat -c %Y ${REMOTE_PIHOLE_DIRECTORY}/${PH_CUSTOM_DNS}")
LOCAL_DNS_DATE=$(stat -c %Y ${LOCAL_PIHOLE_DIRECTORY}/${PH_CUSTOM_DNS})
if (( "$REMOTE_DNS_DATE" >= "$LOCAL_DNS_DATE" )); then
MESSAGE="Remote ${UI_CUSTOM_NAME} was last changed"
echo_warn
pull_gs_custom
GS_PULL_RESTART="1"
else
MESSAGE="Local ${UI_CUSTOM_NAME} was last changed"
echo_warn
push_gs_custom
GS_PUSH_RESTART="1"
fi
fi
else
if [ "${REMOTE_DNS_CHANGE}" != "0" ]; then
pull_gs_custom
GS_PULL_RESTART="1"
elif [ "${LOCAL_DNS_CHANGE}" != "0" ]; then
push_gs_custom
GS_PUSH_RESTART="1"
fi
fi
else
pull_gs_custom
GS_PULL_RESTART="1"
fi
if [ "${REMOTE_CN_MD5}" != "${LAST_REMOTE_CN_MD5}" ]; then
REMOTE_CNAME_CHANGE="1"
fi
if [ "${LOCAL_CN_MD5}" != "${LAST_LOCAL_CN_MD5}" ]; then
LOCAL_CNAME_CHANGE="1"
fi
if [ -f "${LOCAL_DNSMASQ_DIRECTORY}/${PH_CNAME_CONF}" ]; then
if [ "${REMOTE_CNAME_CHANGE}" == "${LOCAL_CNAME_CHANGE}" ]; then
if [ "${REMOTE_CNAME_CHANGE}" != "0" ]; then
MESSAGE="Both ${UI_CNAME_NAME} have Changed"
echo_warn
REMOTE_CNAME_DATE=$(${OS_SSH_CMD} -p ${GS_SSH_PORT} -i "${GS_SSH_PKIF}" ${REMOTE_USER}@${REMOTE_HOST} "stat -c %Y ${REMOTE_DNSMASQ_DIRECTORY}/${PH_CNAME_CONF}")
LOCAL_CNAME_DATE=$(stat -c %Y ${LOCAL_DNSMASQ_DIRECTORY}/${PH_CNAME_CONF})
if (( "$REMOTE_CNAME_DATE" >= "$LOCAL_CNAME_DATE" )); then
MESSAGE="Remote ${UI_CNAME_NAME} was last changed"
echo_warn
pull_gs_cname
GS_PULL_RESTART="1"
else
MESSAGE="Local ${UI_CNAME_NAME} was last changed"
echo_warn
push_gs_cname
GS_PUSH_RESTART="1"
fi
fi
else
if [ "${REMOTE_CNAME_CHANGE}" != "0" ]; then
pull_gs_cname
GS_PULL_RESTART="1"
elif [ "${LOCAL_CNAME_CHANGE}" != "0" ]; then
push_gs_cname
GS_PUSH_RESTART="1"
fi
fi
else
pull_gs_cname
GS_PULL_RESTART="1"
fi
if [ "${REMOTE_SDHCP_MD5}" != "${LAST_REMOTE_SDHCP_MD5}" ]; then
REMOTE_SDHCP_CHANGE="1"
fi
if [ "${LOCAL_SDHCP_MD5}" != "${LAST_LOCAL_SDHCP_MD5}" ]; then
LOCAL_SDHCP_CHANGE="1"
fi
if [ -f "${LOCAL_DNSMASQ_DIRECTORY}/${PH_SDHCP_CONF}" ]; then
if [ "${REMOTE_SDHCP_CHANGE}" == "${LOCAL_SDHCP_CHANGE}" ]; then
if [ "${REMOTE_SDHCP_CHANGE}" != "0" ]; then
MESSAGE="Both ${UI_SDHCP_NAME} have Changed"
echo_warn
REMOTE_SDHCP_DATE=$(${OS_SSH_CMD} -p ${GS_SSH_PORT} -i "${GS_SSH_PKIF}" ${REMOTE_USER}@${REMOTE_HOST} "stat -c %Y ${REMOTE_DNSMASQ_DIRECTORY}/${PH_SDHCP_CONF}")
LOCAL_SDHCP_DATE=$(stat -c %Y ${LOCAL_DNSMASQ_DIRECTORY}/${PH_SDHCP_CONF})
if (( "$REMOTE_SDHCP_DATE" >= "$LOCAL_SDHCP_DATE" )); then
MESSAGE="Remote ${UI_SDHCP_NAME} was last changed"
echo_warn
pull_gs_sdhcp
GS_PULL_RESTART="1"
else
MESSAGE="Local ${UI_SDHCP_NAME} was last changed"
echo_warn
push_gs_sdhcp
GS_PUSH_RESTART="1"
fi
fi
else
if [ "${REMOTE_SDHCP_CHANGE}" != "0" ]; then
pull_gs_sdhcp
GS_PULL_RESTART="1"
elif [ "${LOCAL_SDHCP_CHANGE}" != "0" ]; then
push_gs_sdhcp
GS_PUSH_RESTART="1"
fi
fi
else
pull_gs_sdhcp
GS_PULL_RESTART="1"
fi
if [ "$GS_PULL_RESTART" == "1" ]; then
pull_gs_reload
fi
if [ "$GS_PUSH_RESTART" == "1" ]; then
push_gs_reload
fi
md5_recheck
logs_export
exit_with_changes
}
function backup_local_gravity {
MESSAGE="${UI_BACKUP_LOCAL} ${UI_GRAVITY_NAME}"
echo_stat
if [ "$LOCAL_PIHOLE_TYPE" == "default" ]; then
sudo ${FTL_EXEC} sql ${LOCAL_PIHOLE_DIRECTORY}/${PH_GRAVITY_FI} ".backup '${LOCAL_PIHOLE_DIRECTORY}/${PH_GRAVITY_FI}.${GS_BACKUP_EXT}'"
error_validate
elif [ "$LOCAL_PIHOLE_TYPE" == "docker" ]; then
sudo ${FTL_EXEC} sql ${DEFAULT_PIHOLE_DIRECTORY}/${PH_GRAVITY_FI} ".backup '${DEFAULT_PIHOLE_DIRECTORY}/${PH_GRAVITY_FI}.${GS_BACKUP_EXT}'"
error_validate
elif [ "$LOCAL_PIHOLE_TYPE" == "podman" ]; then
sudo ${FTL_EXEC} sql ${DEFAULT_PIHOLE_DIRECTORY}/${PH_GRAVITY_FI} ".backup '${DEFAULT_PIHOLE_DIRECTORY}/${PH_GRAVITY_FI}.${GS_BACKUP_EXT}'"
error_validate
fi
}
function backup_local_gravity_integrity {
MESSAGE="${UI_BACKUP_INTEGRITY}"
echo_stat
sleep $GS_BACKUP_INTEGRITY_WAIT
if [ "$LOCAL_PIHOLE_TYPE" == "default" ]; then
LOCAL_INTEGRITY_CHECK=$(${FTL_EXEC} sql ${LOCAL_PIHOLE_DIRECTORY}/${PH_GRAVITY_FI}.${GS_BACKUP_EXT} 'PRAGMA integrity_check;' | sed 's/\s.*$//')
error_validate
elif [ "$LOCAL_PIHOLE_TYPE" == "docker" ]; then
LOCAL_INTEGRITY_CHECK=$(${FTL_EXEC} sql ${DEFAULT_PIHOLE_DIRECTORY}/${PH_GRAVITY_FI}.${GS_BACKUP_EXT} 'PRAGMA integrity_check;' | sed 's/\s.*$//')
error_validate
elif [ "$LOCAL_PIHOLE_TYPE" == "podman" ]; then
LOCAL_INTEGRITY_CHECK=$(${FTL_EXEC} sql ${DEFAULT_PIHOLE_DIRECTORY}/${PH_GRAVITY_FI}.${GS_BACKUP_EXT} 'PRAGMA integrity_check;' | sed 's/\s.*$//')
error_validate
fi
if [ "$LOCAL_INTEGRITY_CHECK" != 'ok' ]; then
MESSAGE="${UI_BACKUP_INTEGRITY_FAILED} ${UI_GRAVITY_NAME}"
echo_fail
MESSAGE="${UI_BACKUP_INTEGRITY_DELETE} ${UI_GRAVITY_NAME}"
echo_stat
sudo rm ${LOCAL_PIHOLE_DIRECTORY}/${PH_GRAVITY_FI}.${GS_BACKUP_EXT}
error_validate
exit_no_change
fi
}
function backup_local_custom {
if [ -f ${LOCAL_PIHOLE_DIRECTORY}/${PH_CUSTOM_DNS} ]; then
MESSAGE="${UI_BACKUP_LOCAL} ${UI_CUSTOM_NAME}"
echo_stat
sudo cp ${LOCAL_PIHOLE_DIRECTORY}/${PH_CUSTOM_DNS} ${LOCAL_PIHOLE_DIRECTORY}/${PH_CUSTOM_DNS}.${GS_BACKUP_EXT}
error_validate
else
MESSAGE="No local ${PH_CUSTOM_DNS} detected"
echo_warn
fi
}
function backup_local_cname {
if [ -f ${LOCAL_DNSMASQ_DIRECTORY}/${PH_CNAME_CONF} ]; then
MESSAGE="${UI_BACKUP_LOCAL} ${UI_CNAME_NAME}"
echo_stat
sudo cp ${LOCAL_DNSMASQ_DIRECTORY}/${PH_CNAME_CONF} ${LOCAL_PIHOLE_DIRECTORY}/${PH_CNAME_CONF}.${GS_BACKUP_EXT}
error_validate
else
MESSAGE="No local ${PH_CNAME_CONF} detected"
echo_warn
fi
}
function backup_local_sdhcp {
if [ -f ${LOCAL_DNSMASQ_DIRECTORY}/${PH_SDHCP_CONF} ]; then
MESSAGE="${UI_BACKUP_LOCAL} ${UI_SDHCP_NAME}"
echo_stat
sudo cp ${LOCAL_DNSMASQ_DIRECTORY}/${PH_SDHCP_CONF} ${LOCAL_PIHOLE_DIRECTORY}/${PH_SDHCP_CONF}.${GS_BACKUP_EXT}
error_validate
else
MESSAGE="No local ${PH_SDHCP_CONF} detected"
echo_warn
fi
}
function backup_remote_gravity {
MESSAGE="${UI_BACKUP_REMOTE} ${UI_GRAVITY_NAME}"
echo_stat
if [ "$REMOTE_PIHOLE_TYPE" == "default" ]; then
CMD_TIMEOUT=$GS_BACKUP_TIMEOUT
CMD_REQUESTED="sudo ${RFTL_EXEC} sql ${REMOTE_PIHOLE_DIRECTORY}/${PH_GRAVITY_FI} \".backup '${REMOTE_PIHOLE_DIRECTORY}/${PH_GRAVITY_FI}.${GS_BACKUP_EXT}'\""
create_ssh_cmd
elif [ "$REMOTE_PIHOLE_TYPE" == "docker" ]; then
CMD_TIMEOUT=$GS_BACKUP_TIMEOUT
CMD_REQUESTED="sudo ${RFTL_EXEC} sql ${DEFAULT_PIHOLE_DIRECTORY}/${PH_GRAVITY_FI} \".backup '${DEFAULT_PIHOLE_DIRECTORY}/${PH_GRAVITY_FI}.${GS_BACKUP_EXT}'\""
create_ssh_cmd
elif [ "$REMOTE_PIHOLE_TYPE" == "podman" ]; then
CMD_TIMEOUT=$GS_BACKUP_TIMEOUT
CMD_REQUESTED="sudo ${RFTL_EXEC} sql ${DEFAULT_PIHOLE_DIRECTORY}/${PH_GRAVITY_FI} \".backup '${DEFAULT_PIHOLE_DIRECTORY}/${PH_GRAVITY_FI}.${GS_BACKUP_EXT}'\""
create_ssh_cmd
fi
}
function backup_remote_gravity_integrity {
MESSAGE="${UI_BACKUP_INTEGRITY}"
echo_stat
sleep $GS_BACKUP_INTEGRITY_WAIT
if [ "$REMOTE_PIHOLE_TYPE" == "default" ]; then
REMOTE_INTEGRITY_CHECK=$(${OS_SSH_CMD} -p ${GS_SSH_PORT} -i "${GS_SSH_PKIF}" ${REMOTE_USER}@${REMOTE_HOST} "${RFTL_EXEC} sql ${REMOTE_PIHOLE_DIRECTORY}/${PH_GRAVITY_FI}.${GS_BACKUP_EXT} 'PRAGMA integrity_check;'" | sed 's/\s.*$//')
error_validate
elif [ "$REMOTE_PIHOLE_TYPE" == "docker" ]; then
REMOTE_INTEGRITY_CHECK=$(${OS_SSH_CMD} -p ${GS_SSH_PORT} -i "${GS_SSH_PKIF}" ${REMOTE_USER}@${REMOTE_HOST} "${RFTL_EXEC} sql ${DEFAULT_PIHOLE_DIRECTORY}/${PH_GRAVITY_FI}.${GS_BACKUP_EXT} 'PRAGMA integrity_check;'" | sed 's/\s.*$//')
error_validate
elif [ "$REMOTE_PIHOLE_TYPE" == "podman" ]; then
REMOTE_INTEGRITY_CHECK=$(${OS_SSH_CMD} -p ${GS_SSH_PORT} -i "${GS_SSH_PKIF}" ${REMOTE_USER}@${REMOTE_HOST} "${RFTL_EXEC} sql ${DEFAULT_PIHOLE_DIRECTORY}/${PH_GRAVITY_FI}.${GS_BACKUP_EXT} 'PRAGMA integrity_check;'" | sed 's/\s.*$//')
error_validate
fi
if [ "$REMOTE_INTEGRITY_CHECK" != 'ok' ]; then
MESSAGE="${UI_BACKUP_INTEGRITY_FAILED} ${UI_GRAVITY_NAME}"
echo_fail
MESSAGE="${UI_BACKUP_INTEGRITY_DELETE} ${UI_GRAVITY_NAME}"
echo_stat
CMD_TIMEOUT=$GS_BACKUP_TIMEOUT
CMD_REQUESTED="sudo rm ${REMOTE_PIHOLE_DIRECTORY}/${PH_GRAVITY_FI}.${GS_BACKUP_EXT}"
create_ssh_cmd
exit_no_change
fi
}
function backup_remote_custom {
MESSAGE="${UI_BACKUP_REMOTE} ${UI_CUSTOM_NAME}"
echo_stat
CMD_TIMEOUT=$GS_BACKUP_TIMEOUT
CMD_REQUESTED="sudo cp ${REMOTE_PIHOLE_DIRECTORY}/${PH_CUSTOM_DNS} ${REMOTE_PIHOLE_DIRECTORY}/${PH_CUSTOM_DNS}.${GS_BACKUP_EXT}"
create_ssh_cmd
}
function backup_remote_cname {
MESSAGE="${UI_BACKUP_REMOTE} ${UI_CNAME_NAME}"
echo_stat
CMD_TIMEOUT=$GS_BACKUP_TIMEOUT
CMD_REQUESTED="sudo cp ${REMOTE_DNSMASQ_DIRECTORY}/${PH_CNAME_CONF} ${REMOTE_PIHOLE_DIRECTORY}/${PH_CNAME_CONF}.${GS_BACKUP_EXT}"
create_ssh_cmd
}
function backup_remote_sdhcp {
MESSAGE="${UI_BACKUP_REMOTE} ${UI_SDHCP_NAME}"
echo_stat
CMD_TIMEOUT=$GS_BACKUP_TIMEOUT
CMD_REQUESTED="sudo cp ${REMOTE_DNSMASQ_DIRECTORY}/${PH_SDHCP_CONF} ${REMOTE_PIHOLE_DIRECTORY}/${PH_SDHCP_CONF}.${GS_BACKUP_EXT}"
create_ssh_cmd
}
function backup_cleanup {