29027fd1e1
Using pkgs.lib on the spine of module evaluation is problematic because the pkgs argument depends on the result of module evaluation. To prevent an infinite recursion, pkgs and some of the modules are evaluated twice, which is inefficient. Using ‘with lib’ prevents this problem.
84 lines
2.2 KiB
Nix
84 lines
2.2 KiB
Nix
{ config, lib, pkgs, serverInfo, ... }:
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with lib;
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let
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# The Zabbix PHP frontend needs to be able to write its
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# configuration settings (the connection info to the database) to
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# the "conf" subdirectory. So symlink $out/conf to some directory
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# outside of the Nix store where we want to keep this stateful info.
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# Note that different instances of the frontend will therefore end
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# up with their own copies of the PHP sources. !!! Alternatively,
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# we could generate zabbix.conf.php declaratively.
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zabbixPHP = pkgs.runCommand "${pkgs.zabbix.server.name}-php" {}
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''
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cp -rs ${pkgs.zabbix.server}/share/zabbix/php "$out"
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chmod -R u+w $out
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ln -s "${if config.configFile == null
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then "${config.stateDir}/zabbix.conf.php"
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else config.configFile}" "$out/conf/zabbix.conf.php"
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'';
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in
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{
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enablePHP = true;
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phpOptions =
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''
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post_max_size = 32M
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max_execution_time = 300
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max_input_time = 300
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'';
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extraConfig = ''
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Alias ${config.urlPrefix}/ ${zabbixPHP}/
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<Directory ${zabbixPHP}>
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DirectoryIndex index.php
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Order deny,allow
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Allow from *
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</Directory>
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'';
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startupScript = pkgs.writeScript "zabbix-startup-hook" ''
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mkdir -p ${config.stateDir}
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chown -R ${serverInfo.serverConfig.user} ${config.stateDir}
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'';
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# The frontend needs "ps" to find out whether zabbix_server is running.
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extraServerPath = [ pkgs.procps ];
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options = {
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urlPrefix = mkOption {
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default = "/zabbix";
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description = "
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The URL prefix under which the Zabbix service appears.
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Use the empty string to have it appear in the server root.
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";
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};
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configFile = mkOption {
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default = null;
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type = types.nullOr types.path;
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description = ''
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The configuration file (zabbix.conf.php) which contains the database
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connection settings. If not set, the configuration settings will created
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by the web installer.
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'';
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};
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stateDir = mkOption {
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default = "/var/lib/zabbix/frontend";
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description = "
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Directory where the dynamically generated configuration data
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of the PHP frontend will be stored.
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";
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};
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};
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}
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