317 lines
11 KiB
Bash
Executable File
317 lines
11 KiB
Bash
Executable File
#!/bin/sh -e
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# __nextcloud/map-conf-changes.sh
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# The environment variable "$install" should be set if nextcloud was installed
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# now. This changes the behaviour to not trust gathered values from the
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# explorer.
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# Print the value of the given configuration.
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#
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# Arguments:
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# 1: the nextcloud configuration name
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#
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# Returns with a unsuccessful return code if no parameter found.
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getparam() {
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awk -v FS=" = " -v name="$1" '
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function ntostring(n) { ret=""; for(i=n; i<=NF; i++) ret=ret $i (i<NF ? OFS : ""); return ret }
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$1 == name { print ntostring(2); success = 1 }
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END { if(!success) exit 4 }
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' "$__object/explorer/config"
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return $?
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}
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# Test if the value exists as given.
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#
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# Arguments:
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# 1: The nextcloud config name
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# 2: The value that should be set
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#
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# Return code:
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# 0: value exactly matched
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# 1: value not matched or do not exist
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testparam() {
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# short-circuit after installation; the explorer may not be valid
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if [ "$install" ]; then return 1; fi
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if grep -q -Fx "$1 = $2" "$__object/explorer/config"; then
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return 0
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else
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return 1
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fi
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}
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# Test if the parameter is somehow set.
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#
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# Arguments:
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# 1: The nextcloud config name
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#
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# Return code:
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# 0: param exists
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# 1: param not found
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paramexist() {
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# short-circuit after installation; the explorer may not be valid
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if [ "$install" ]; then return 0; fi
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if grep -q "^$1 = " "$__object/explorer/config"; then
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return 0
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else
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return 1
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fi
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}
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# Base for the basic function types.
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#
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# Arguments:
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# 1: cdist type parameter name
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# 2: nextcloud config name
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# 3: conditially mandatory argument, value "required" if true
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# 4: occ printf pattern to set the value
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# 5: "installation" default value, can be used to backup the user value
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conf_base() {
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if [ -f "$__object/parameter/$1" ] || [ "$5" ]; then
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value="$(cat "$__object/parameter/$1" || printf "%s" "$5")"
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if ! testparam "$2" "$value"; then
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# set it because it does not exist
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# shellcheck disable=SC2059 # $4 contains patterns
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printf "php occ config:system:$4\n" "$2" "$value"
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fi
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else
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if [ "$3" = "required" ]; then
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# error because the parameter should be set
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printf "Parameter '%s' not set by user, but required!\n" "$1" >&2
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exit 4
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fi
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if paramexist "$2"; then
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# remove it because it exists
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printf "php occ config:system:delete '%s'\n" "$2"
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fi
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fi
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}
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# Set's the cdist parameter value to nextcloud as specific value.
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#
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# Arguments:
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# 1: cdist type parameter name
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# 2: nextcloud config name
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# 3: conditional mandatory of this parameter; value "required" if true
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# 4: default value; will be used if parameter is absent
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conf_string() {
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conf_base "$1" "$2" "$3" "set '%s' --type=string --value='%s'" "$4"
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}
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conf_number() {
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conf_base "$1" "$2" "$3" "set '%s' --type=integer --value='%s'" "$4"
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}
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conf_decimal() {
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conf_base "$1" "$2" "$3" "set '%s' --type=double --value='%s'" "$4"
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}
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# Sets the nextcloud configuration option after a boolean cdist parameter.
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#
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# Arguments:
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# 1: cdist type parameter name
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# 2: nextcloud config name
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conf_boolean() {
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# map parameter to a php boolean (are outputted as 0 or 1)
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if [ -f "$__object/parameter/$1" ]; then
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testval="1"
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value="true"
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else
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testval="0"
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value="false"
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fi
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if ! testparam "$2" "$testval"; then
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# set it if does not already exist
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printf "php occ config:system:set '%s' --type=boolean --value=%s\n" "$2" "$value"
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fi
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}
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# Corrects the array after all values given by the parameter. Values not given
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# to this type will be removed.
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#
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# Arguments:
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# 1: cdist type parameter name
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# 2: nextcloud config name
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# 3: conditional mandatory of this parameter; value "required" if true
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# FIXME currently no default value due to complexity of arrays
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conf_array() {
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if [ -f "$__object/parameter/$1" ]; then
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# reset array if installation is fresh
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if [ "$install" ]; then
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# just remove everything, because we don't know it
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printf "php occ config:system:delete '%s' || true\n" "$2"
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# counter is zero for sure
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counter=0
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# else, default behaviour of the array
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else
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# save counter of the next free index
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# shellcheck disable=SC1004 # the \ is required for awk
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counter=$( awk -v FS=" = " -v name="$2" '
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BEGIN { counter = 0 }
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split($1, header, "|") == 2 && header[1] ~ /^[[:digit:]]+$/ && header[2] == name \
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{ if(counter < header[1]) counter = header[1] }
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END { print counter + 1 }
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' "$__object/explorer/config"
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)
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# create a file which contains all lines not already resolved by this function
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_dir="$__object/files/conf-arrays"
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mkdir -p "$_dir"
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grep "^[[:digit:]]*|$2 = " "$__object/explorer/config" > "$_dir/$2" || true # ignore not found
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fi
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# iterate through every value
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while read -r value; do
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# check every value if he exists
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if ! grep -q "^[[:digit:]]*|$2 = $value$" "$__object/explorer/config"; then
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# add this value
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printf "php occ config:system:set '%s' '%s' --type=string --value='%s'\n" \
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"$2" "$(( counter ))" "$value"
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counter=$(( counter + 1 ))
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fi
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if [ -z "$install" ]; then
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# removes it from the list of unhandled values
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grep -v "^[[:digit:]]*|$2 = $value$" "$_dir/$2" > "$_dir/$2_tmp" || true # ignore not found
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mv "$_dir/$2_tmp" "$_dir/$2" # because we can't do `cat foo > foo`
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fi
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done < "$__object/parameter/$1"
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if [ -z "$install" ]; then
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# interate through the leftover values
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# remove them, as they should not exist (at least can be)
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#
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# shellcheck disable=SC2034 # $equal left for readability
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while read -r start equal value; do
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# remove those specific elements from the array
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printf "php occ config:system:delete '%s' '%s' --error-if-not-exists\n" \
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"$2" "$( printf "%s" "$start" | awk -F'|' '{print $1}' )"
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done < "$_dir/$2"
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fi
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else
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if [ "$3" = "required" ]; then
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# error because the parameter should be set
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printf "Parameter '%s' not set by user, but required!\n" "$1" >&2
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exit 4
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fi
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# remove everything because we don't know which was set by the user
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if paramexist "$2"; then
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# remove the whole array
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printf "php occ config:system:delete '%s'\n" "$2"
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fi
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fi
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}
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# Migrate the database to a new database type
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#
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# Arguments:
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# 1: the database type to convert to
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migrate_db() {
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# from argument
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database_type="$1"
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# hostname, database, username and password
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database_host="$(cat "$__object/parameter/database-host" 2>/dev/null || printf "localhost")"
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database_name="$(cat "$__object/parameter/database-name")"
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database_user="$(cat "$__object/parameter/database-user")"
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database_pass="$(cat "$__object/parameter/database-password")"
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# Extract the port from the host
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# this is required for pgsql, but mysql can do it itself, too
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if printf "%s" "$database_host" | grep -q ":[[:digit:]]\+$"; then
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# extract the last part, which is the port number
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database_port="${database_host##*:}"
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else
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# set default port because the tool can not do this for pgsql
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# it looks like mysql get struggles, too
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case "$database_type" in
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mysql)
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database_port=3306
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;;
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pgsql)
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database_port=5432
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;;
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esac
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# Correct this value to the value set by the parameter
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# this will prevent codegen in the run after the migration
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correct_standard_port="yes"
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fi
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# print out the correct command
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printf "php occ db:convert-type --no-interaction --no-ansi --clear-schema --all-apps \
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'%s' '%s' --password '%s' '%s' --port '%u' '%s'\n" \
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"$database_type" "$database_user" "$database_pass" "$database_host" "$database_port" "$database_name"
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printf "php occ maintenance:mode --on\n" # was disabled by database convertion
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# Correct the database host value if it was not correctly set by the migration script
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if [ "$correct_standard_port" = "yes" ]; then
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printf "php occ config:system:set '%s' --type=string --value '%s'\n" "dbhost" "$database_host"
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fi
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}
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# Set the install variable if nextcloud was not installed before this type.
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if ! testparam installed 1; then
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install="yes"
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fi
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# Map all parameters
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# Generate the config changes
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# misc
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conf_array host trusted_domains
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# If already set via the installer, we don't need to do this
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# set default values from the nextcloud installer to do not override them
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if [ -z "$install" ]; then
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# Database to check if the type changed
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# use the current type if no old type found to match instead of migrate
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database_type="$(cat "$__object/parameter/database-type")"
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old_db_type="$(getparam dbtype || printf "%s" "$database_type")"
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case "$database_type" in
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sqlite3)
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if [ "$old_db_type" != "sqlite3" ]; then
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echo "Migrating to a SQLite database is not supported by upstream!" >&2
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echo "Do it manually or reinstall nextcloud .." >&2
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exit 1
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fi
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conf_string database-type dbtype
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;;
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mysql|pgsql)
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if [ "$old_db_type" != "$database_type" ]; then
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# the migration will change all database parameters itself
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migrate_db "$database_type"
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else
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# no change of dbtype cause it will cause a migration
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conf_string database-host dbhost installdef "localhost"
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conf_string database-name dbname required
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conf_string database-user dbuser required
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conf_string database-password dbpassword required
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fi
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# It may not be a good idea to change this parameter, but do what
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# the user want to do.
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conf_string database-prefix dbtableprefix
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;;
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*)
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printf "Databasetype '%s' is unkown!\n" "$database_type" >&2
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exit 3
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;;
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esac
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# data-dir is handled in the gencode-remote
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#conf_string data-directory datadirectory installdef "/$__object_id/data"
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fi
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