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Use env variables in Zabbix web images

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This commit is contained in:
Alexey Pustovalov
2020-09-10 08:05:17 -04:00
parent 9af188f2f6
commit 92553eb838
36 changed files with 414 additions and 1376 deletions
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17
web-apache-pgsql/ubuntu/conf/etc/php/7.2/apache2/conf.d/99-zabbix.ini
View File

@ -1,9 +1,8 @@
max_execution_time=300
memory_limit=128M
post_max_size=16M
upload_max_filesize=2M
max_input_time=300
always_populate_raw_post_date=-1
max_input_vars=10000
; date.timezone=Europe/Riga
session.save_path=/var/lib/php/sessions
max_execution_time = ${ZBX_MAXEXECUTIONTIME}
memory_limit = ${ZBX_MEMORYLIMIT}
post_max_size = ${ZBX_POSTMAXSIZE}
upload_max_filesize = ${ZBX_UPLOADMAXFILESIZE}
max_input_time = ${ZBX_MAXINPUTTIME}
; always_populate_raw_post_data=-1
max_input_vars = 10000
date.timezone = ${PHP_TZ}

20
web-apache-pgsql/ubuntu/conf/etc/zabbix/web/zabbix.conf.php
View File

@ -2,19 +2,19 @@
// Zabbix GUI configuration file.
global $DB;
$DB['TYPE'] = 'POSTGRESQL';
$DB['SERVER'] = '{DB_SERVER_HOST}';
$DB['PORT'] = '{DB_SERVER_PORT}';
$DB['DATABASE'] = '{DB_SERVER_DBNAME}';
$DB['USER'] = '{DB_SERVER_USER}';
$DB['PASSWORD'] = '{DB_SERVER_PASS}';
$DB['TYPE'] = getenv('DB_SERVER_TYPE');
$DB['SERVER'] = getenv('DB_SERVER_HOST');
$DB['PORT'] = getenv('DB_SERVER_PORT');
$DB['DATABASE'] = getenv('DB_SERVER_DBNAME');
$DB['USER'] = getenv('DB_SERVER_USER');
$DB['PASSWORD'] = getenv('DB_SERVER_PASS');
// Schema name. Used for IBM DB2 and PostgreSQL.
$DB['SCHEMA'] = '{DB_SERVER_SCHEMA}';
$DB['SCHEMA'] = getenv('DB_SERVER_SCHEMA');
$ZBX_SERVER = '{ZBX_SERVER_HOST}';
$ZBX_SERVER_PORT = '{ZBX_SERVER_PORT}';
$ZBX_SERVER_NAME = '{ZBX_SERVER_NAME}';
$ZBX_SERVER = getenv('ZBX_SERVER_HOST');
$ZBX_SERVER_PORT = getenv('ZBX_SERVER_PORT');
$ZBX_SERVER_NAME = getenv('ZBX_SERVER_NAME');
$IMAGE_FORMAT_DEFAULT = IMAGE_FORMAT_PNG;
?>

109
web-apache-pgsql/ubuntu/docker-entrypoint.sh
View File

@ -57,68 +57,6 @@ file_env() {
unset "$fileVar"
}
escape_spec_char() {
local var_value=$1
var_value="${var_value//\\/\\\\}"
var_value="${var_value//[$'\n']/}"
var_value="${var_value//\//\\/}"
var_value="${var_value//./\\.}"
var_value="${var_value//\*/\\*}"
var_value="${var_value//^/\\^}"
var_value="${var_value//\$/\\\$}"
var_value="${var_value//\&/\\\&}"
var_value="${var_value//\[/\\[}"
var_value="${var_value//\]/\\]}"
echo "$var_value"
}
update_config_var() {
local config_path=$1
local var_name=$2
local var_value=$3
local is_multiple=$4
if [ ! -f "$config_path" ]; then
echo "**** Configuration file '$config_path' does not exist"
return
fi
echo -n "** Updating '$config_path' parameter \"$var_name\": '$var_value'... "
# Remove configuration parameter definition in case of unset parameter value
if [ -z "$var_value" ]; then
sed -i -e "/^$var_name=/d" "$config_path"
echo "removed"
return
fi
# Remove value from configuration parameter in case of double quoted parameter value
if [ "$var_value" == '""' ]; then
sed -i -e "/^$var_name=/s/=.*/=/" "$config_path"
echo "undefined"
return
fi
# Escaping characters in parameter value and name
var_value=$(escape_spec_char "$var_value")
var_name=$(escape_spec_char "$var_name")
if [ "$(grep -E "^$var_name=" $config_path)" ] && [ "$is_multiple" != "true" ]; then
sed -i -e "/^$var_name=/s/=.*/=$var_value/" "$config_path"
echo "updated"
elif [ "$(grep -Ec "^# $var_name=" $config_path)" -gt 1 ]; then
sed -i -e "/^[#;] $var_name=$/i\\$var_name=$var_value" "$config_path"
echo "added first occurrence"
else
sed -i -e "/^[#;] $var_name=/s/.*/&\n$var_name=$var_value/" "$config_path"
echo "added"
fi
}
# Check prerequisites for PostgreSQL database
check_variables() {
file_env POSTGRES_USER
@ -203,40 +141,25 @@ prepare_web_server() {
}
prepare_zbx_web_config() {
local server_name=""
echo "** Preparing Zabbix frontend configuration file"
ZBX_WEB_CONFIG="$ZABBIX_ETC_DIR/web/zabbix.conf.php"
PHP_CONFIG_FILE="/etc/php/7.2/apache2/conf.d/99-zabbix.ini"
export ZBX_MAXEXECUTIONTIME=${ZBX_MAXEXECUTIONTIME:-"600"}
export ZBX_MEMORYLIMIT=${ZBX_MEMORYLIMIT:-"128M"}
export ZBX_POSTMAXSIZE=${ZBX_POSTMAXSIZE:-"16M"}
export ZBX_UPLOADMAXFILESIZE=${ZBX_UPLOADMAXFILESIZE:-"2M"}
export ZBX_MAXINPUTTIME=${ZBX_MAXINPUTTIME:-"300"}
export PHP_TZ=${PHP_TZ:-"Europe/Riga"}
update_config_var "$PHP_CONFIG_FILE" "max_execution_time" "${ZBX_MAXEXECUTIONTIME:-"600"}"
update_config_var "$PHP_CONFIG_FILE" "memory_limit" "${ZBX_MEMORYLIMIT:-"128M"}"
update_config_var "$PHP_CONFIG_FILE" "post_max_size" "${ZBX_POSTMAXSIZE:-"16M"}"
update_config_var "$PHP_CONFIG_FILE" "upload_max_filesize" "${ZBX_UPLOADMAXFILESIZE:-"2M"}"
update_config_var "$PHP_CONFIG_FILE" "max_input_time" "${ZBX_MAXINPUTTIME:-"300"}"
update_config_var "$PHP_CONFIG_FILE" "date.timezone" "${PHP_TZ}"
# Escaping characters in parameter value
server_name=$(escape_spec_char "${ZBX_SERVER_NAME}")
server_user=$(escape_spec_char "${DB_SERVER_ZBX_USER}")
server_pass=$(escape_spec_char "${DB_SERVER_ZBX_PASS}")
ZBX_DB_KEY_FILE=$(escape_spec_char "${ZBX_DB_KEY_FILE}")
ZBX_DB_CERT_FILE=$(escape_spec_char "${ZBX_DB_CERT_FILE}")
ZBX_DB_CA_FILE=$(escape_spec_char "${ZBX_DB_CA_FILE}")
sed -i \
-e "s/{DB_SERVER_HOST}/${DB_SERVER_HOST}/g" \
-e "s/{DB_SERVER_PORT}/${DB_SERVER_PORT}/g" \
-e "s/{DB_SERVER_DBNAME}/${DB_SERVER_DBNAME}/g" \
-e "s/{DB_SERVER_SCHEMA}/${DB_SERVER_SCHEMA}/g" \
-e "s/{DB_SERVER_USER}/$server_user/g" \
-e "s/{DB_SERVER_PASS}/$server_pass/g" \
-e "s/{ZBX_SERVER_HOST}/${ZBX_SERVER_HOST}/g" \
-e "s/{ZBX_SERVER_PORT}/${ZBX_SERVER_PORT}/g" \
-e "s/{ZBX_SERVER_NAME}/$server_name/g" \
"$ZBX_WEB_CONFIG"
export DB_SERVER_TYPE="POSTGRESQL"
export DB_SERVER_HOST=${DB_SERVER_HOST}
export DB_SERVER_PORT=${DB_SERVER_PORT}
export DB_SERVER_DBNAME=${DB_SERVER_DBNAME}
export DB_SERVER_SCHEMA=${DB_SERVER_SCHEMA}
export DB_SERVER_USER=${DB_SERVER_ZBX_USER}
export DB_SERVER_PASS=${DB_SERVER_ZBX_PASS}
export ZBX_SERVER_HOST=${ZBX_SERVER_HOST}
export ZBX_SERVER_PORT=${ZBX_SERVER_PORT:-"10051"}
export ZBX_SERVER_NAME=${ZBX_SERVER_NAME}
if [ "${ENABLE_WEB_ACCESS_LOG:-"true"}" == "false" ]; then
sed -ri \