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Use env variables in Zabbix web images

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This commit is contained in:
Alexey Pustovalov
2020-09-11 02:49:29 -04:00
parent ecfeceaee2 f926119e0a
commit 14a916b6ba
55 changed files with 867 additions and 1729 deletions
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129
web-apache-mysql/centos/docker-entrypoint.sh
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@ -57,67 +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 MySQL database
check_variables() {
: ${DB_SERVER_HOST:="mysql-server"}
@ -229,21 +168,10 @@ prepare_web_server() {
}
prepare_zbx_web_config() {
local server_name=""
echo "** Preparing Zabbix frontend configuration file"
ZBX_WWW_ROOT="/usr/share/zabbix"
ZBX_WEB_CONFIG="$ZABBIX_ETC_DIR/web/zabbix.conf.php"
PHP_CONFIG_FILE="/etc/php-fpm.d/zabbix.conf"
update_config_var "$PHP_CONFIG_FILE" "php_value[max_execution_time]" "${ZBX_MAXEXECUTIONTIME:-"600"}"
update_config_var "$PHP_CONFIG_FILE" "php_value[memory_limit]" "${ZBX_MEMORYLIMIT:-"128M"}"
update_config_var "$PHP_CONFIG_FILE" "php_value[post_max_size]" "${ZBX_POSTMAXSIZE:-"16M"}"
update_config_var "$PHP_CONFIG_FILE" "php_value[upload_max_filesize]" "${ZBX_UPLOADMAXFILESIZE:-"2M"}"
update_config_var "$PHP_CONFIG_FILE" "php_value[max_input_time]" "${ZBX_MAXINPUTTIME:-"300"}"
update_config_var "$PHP_CONFIG_FILE" "php_value[date.timezone]" "${PHP_TZ}"
if [ "$(id -u)" == '0' ]; then
echo "user = zabbix" >> "$PHP_CONFIG_FILE"
echo "group = zabbix" >> "$PHP_CONFIG_FILE"
@ -251,39 +179,36 @@ prepare_zbx_web_config() {
echo "listen.group = nginx" >> "$PHP_CONFIG_FILE"
fi
ZBX_HISTORYSTORAGETYPES=${ZBX_HISTORYSTORAGETYPES:-"[]"}
export ZBX_MAXEXECUTIONTIME=${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=${PHP_TZ:-"Europe/Riga"}
# Escaping characters in parameter value
server_name=$(escape_spec_char "${ZBX_SERVER_NAME}")
server_user=$(escape_spec_char "${DB_SERVER_ZBX_USER}")
server_pass=$(escape_spec_char "${DB_SERVER_ZBX_PASS}")
history_storage_url=$(escape_spec_char "${ZBX_HISTORYSTORAGEURL}")
history_storage_types=$(escape_spec_char "${ZBX_HISTORYSTORAGETYPES}")
export DB_SERVER_TYPE="MYSQL"
export DB_SERVER_HOST=${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}
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}")
export ZBX_DB_ENCRYPTION=${ZBX_DB_ENCRYPTION:-"false"}
export ZBX_DB_KEY_FILE=${ZBX_DB_KEY_FILE}
export ZBX_DB_CERT_FILE=${ZBX_DB_CERT_FILE}
export ZBX_DB_CA_FILE=${ZBX_DB_CA_FILE}
export ZBX_DB_VERIFY_HOST=${ZBX_DB_VERIFY_HOST-"false"}
sed -i \
-e "s/{DB_SERVER_HOST}/${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" \
-e "s/{ZBX_DB_ENCRYPTION}/${ZBX_DB_ENCRYPTION:-"false"}/g" \
-e "s/{ZBX_DB_KEY_FILE}/${ZBX_DB_KEY_FILE}/g" \
-e "s/{ZBX_DB_CERT_FILE}/${ZBX_DB_CERT_FILE}/g" \
-e "s/{ZBX_DB_CA_FILE}/${ZBX_DB_CA_FILE}/g" \
-e "s/{ZBX_DB_VERIFY_HOST}/${ZBX_DB_VERIFY_HOST:-"false"}/g" \
-e "s/{ZBX_DB_CIPHER_LIST}/${ZBX_DB_CIPHER_LIST}/g" \
-e "s/{DB_DOUBLE_IEEE754}/${DB_DOUBLE_IEEE754:-"true"}/g" \
-e "s/{ZBX_HISTORYSTORAGEURL}/$history_storage_url/g" \
-e "s/{ZBX_HISTORYSTORAGETYPES}/$history_storage_types/g" \
"$ZBX_WEB_CONFIG"
export DB_DOUBLE_IEEE754=${DB_DOUBLE_IEEE754:-"true"}
export ZBX_HISTORYSTORAGEURL=${ZBX_HISTORYSTORAGEURL}
export ZBX_HISTORYSTORAGETYPES=${ZBX_HISTORYSTORAGETYPES:-"[]"}
export ZBX_SSO_SETTINGS=${ZBX_SSO_SETTINGS:-""}
if [ -n "${ZBX_SESSION_NAME}" ]; then
cp "$ZBX_WWW_ROOT/include/defines.inc.php" "/tmp/defines.inc.php_tmp"