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#!/usr/bin/env python3
# Copyright (C) 2025 Jakub Kruszona-Zawadzki, Saglabs SA
#
# This file is part of MooseFS.
#
# MooseFS is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, version 2 (only).
#
# MooseFS is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with MooseFS; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02111-1301, USA
# or visit http://www.gnu.org/licenses/gpl-2.0.html
import sys
if sys.version_info[0]<3 or (sys.version_info[0]==3 and sys.version_info[1]<4):
print("Content-Type: text/html; charset=UTF-8\r\n\r")
print("""<!DOCTYPE html>""")
print("""<html lang="en">""")
print("""<head>""")
print("""<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />""")
print("""<title>MooseFS</title>""")
print("""</head>""")
print("""<body>""")
print("""<h2>MooseFS GUI: Unsupported python version, minimum required version is 3.4</h2>""")
print("""</body>""")
print("""</html>""")
sys.exit(1)
from common.constants_ac import * # MFS_INLINE_IMPORT
from common.constants import * # MFS_INLINE_IMPORT
from common.errors import * # MFS_INLINE_IMPORT
from common.utils import * # MFS_INLINE_IMPORT
from common.conn import * # MFS_INLINE_IMPORT
from common.models import * # MFS_INLINE_IMPORT
from common.cluster import * # MFS_INLINE_IMPORT
from common.dataprovider import * # MFS_INLINE_IMPORT
from common.organization import * # MFS_INLINE_IMPORT
from common.utilsgui import *
import common.validator as validator
ajax_request = AJAX_NONE #is it ajax request?
readonly = False #if readonly - don't render CGI links for commands
selectable = True #if not selectable - don't render drop-downs and other selectors (to switch views with page reload)
donotresolve = 0 #resolve or not various ip addresses
instancename = "My MooseFS"
masterhost = DEFAULT_MASTERNAME
masterport = DEFAULT_MASTER_CLIENT_PORT
# set default output encoding to utf-8 (our html page encoding)
if sys.version_info[1]<7:
import codecs
sys.stdout = codecs.getwriter("utf-8")(sys.stdout.detach())
else:
sys.stdout.reconfigure(encoding='utf-8')
fields = MFSFieldStorage()
fields.initFromURL()
if fields.getstr("ajax")=="container":
ajax_request = AJAX_CONTAINER
elif fields.getstr("ajax")=="metrics":
ajax_request = AJAX_METRICS
if fields.getvalue("ajax")!=None:
fields.pop("ajax") #prevent from including ajax URL param any further
try:
if "masterhost" in fields:
masterhost = fields.getstr("masterhost")
if type(masterhost) is list:
masterhost = ";".join(masterhost)
masterhost = masterhost.replace('"','').replace('<','').replace('>','').replace("'",'').replace('&','').replace('%','')
except Exception:
pass
masterport = int(fields.getint("masterport",DEFAULT_MASTER_CLIENT_PORT))
mastername = fields.getstr("mastername", "")
# connect to masters and find who is the leader etc
cl = Cluster(masterhost, masterport, fields.getstr("leaderip"))
if (cl.leaderfound()):
fields.append("leaderip",cl.master().host)
html_title = "MooseFS"
if len(mastername)>0: html_title += " (%s)" % htmlentities(mastername)
errmsg = None
if cl.master()==None:
errmsg = """Can't connect to the MooseFS Master server (%s)""" % (masterhost)
if (cl.leaderfound() or cl.electfound() or cl.usurperfound() or cl.followerfound()):
if cl.master().version_unknown():
errmsg = """Can't detect the MooseFS Master server version (%s)""" % (masterhost)
elif cl.master().version_less_than(3,0,0):
errmsg = """This version of MooseFS Master server (%s) is not supported (pre 3.0.0)""" % (masterhost)
if errmsg:
print("Content-Type: text/html; charset=UTF-8\r\n\r")
print("""<!DOCTYPE html>""")
print("""<html lang="en">""")
print("""<head>""")
print("""<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />""")
print("""<title>MooseFS GUI %s</title>""" % (htmlentities(mastername)))
# leave this script a the begining to prevent screen blinking when using dark mode
print("""<script type="text/javascript"><!--//--><![CDATA[//><!--
if (localStorage.getItem('theme')===null || localStorage.getItem('theme')==='dark') { document.documentElement.setAttribute('data-theme', 'dark');}
//--><!]]></script>""")
print("""<link rel="stylesheet" href="assets/mfs.css" type="text/css" />""")
print("""</head>""")
print("""<body>""")
print("""<h1 class="center">%s</h1>""" % htmlentities(errmsg))
print("""</body>""")
print("""</html>""")
sys.exit(1)
# initialize global data provider
dataprovider = DataProvider(cl, donotresolve)
# initialize global validator
vld = validator.Validator(dataprovider)
# prior to rendering anything process commands if any
import views.commands
views.commands.process_commands(cl,fields,html_title)
# organization of menus, sections and subsections
org = Organization(dataprovider,guimode=True, ajax_request=ajax_request)
# decode URL parameters
if "readonly" in fields: #readonly=1 - don't show any command links (on/off maintenance, remove etc.)
if fields.getvalue("readonly")=="1":
readonly = True
if "selectable" in fields: #selectable=0 - don't show any selectors requiring page refresh (knobs, drop-downs etc.)
if fields.getvalue("selectable")=="0":
selectable = False
if "sections" in fields: #list of "-" separated sections to show
sectionstr = fields.getvalue("sections")
if type(sectionstr) is list:
sectionstr = "-".join(sectionstr)
sectionset = set(sectionstr.split("-"))
else:
sectionset = set((org.get_default_section(),)) # by default:show the 1st section if no section is defined in url
if "subsections" in fields: #list of "-" separated subsections to show
subsectionstr = fields.getvalue("subsections")
if type(subsectionstr) is list:
subsectionstr = "-".join(subsectionstr)
subsectionset = set(subsectionstr.split("-"))
else:
subsectionset = set([])
org.set_sections(sectionset,subsectionset)
#######################################################
### RENDER OUTPUT ###
#######################################################
# Print Prometheus metrics and exit
if ajax_request == AJAX_METRICS:
import views.metrics as metrics
metrics.print_render(fields, masterhost, masterport)
exit(0)
# print header
print("Content-Type: text/html; charset=UTF-8\r\n\r")
# print html header and menu
if not ajax_request:
import views.header
print_out(views.header.render(dataprovider, fields, vld, html_title, org, sectionset))
print("""<div id="container">""")
print("""<div id="container-ajax">""")
if cl.leaderfound()==0:
# deal with missing leader in the cluster
import views.missingleader
print_out(views.missingleader.render(dataprovider, fields, vld))
#######################################################
### RENDER SECTIONS ###
#######################################################
# Status section
if org.shall_render("ST"):
try:
import views.graph
print_out(views.graph.render(dataprovider, fields, vld))
except Exception:
print_exception()
# Info section
#Cluster summary subsection
if org.shall_render("IG"):
try:
ci = dataprovider.get_clusterinfo()
import views.clusterinfo
print_out(views.clusterinfo.render(dataprovider, fields, vld))
except Exception:
print_exception()
#Metadata servers subsection
if org.shall_render("IM"):
try:
# update master servers delay times prior to getting the list of master servers
highest_saved_metaversion, highest_metaversion_checksum = cl.update_masterservers_delays()
import views.metaservers
print_out(views.metaservers.render(dataprovider,fields,vld))
except Exception:
print_exception()
# Chunks matrix
if org.shall_render("IC"):
try:
import views.matrix
print_out(views.matrix.render(dataprovider, fields, vld, selectable))
except Exception:
print_exception()
# Filesystem self-check loop (GUI only)
if org.shall_render("FL"):
try:
import views.healthselfcheck
print_out(views.healthselfcheck.render(dataprovider, fields, vld))
except Exception:
print_exception()
# Chunk house-keeping loop (GUI only)
if org.shall_render("CL"):
try:
import views.chunksloop
print_out(views.chunksloop.render(dataprovider, fields, vld))
except Exception:
print_exception()
# memory usage table
if org.shall_render("MU"):
try:
# mu.memlabels,abrlabels,mu.totalused,mu.totalallocated,memusage = dataprovider.get_memory_usage()
mu = dataprovider.get_memory_usage()
import views.memory
print_out(views.memory.render(dataprovider, fields, vld))
except Exception:
print_exception()
# Chunkservers section
if org.shall_render("CS"):
try:
import views.chunkservers
print_out(views.chunkservers.render(dataprovider, fields, vld, readonly, selectable))
except Exception:
print_exception()
# Disks section
if org.shall_render("HD"):
try:
import views.disks
print_out(views.disks.render(dataprovider, fields, vld, readonly, selectable))
except TimeoutError:
print_error("Timeout connecting chunk servers. Hint: check if chunk servers are available from this server (the one hosting GUI/CLI).")
except Exception:
print_exception()
# Exports section
if org.shall_render("EX"):
try:
import views.exports
print_out(views.exports.render(dataprovider, fields, vld))
except Exception:
print_exception()
if org.shall_render("MD"):
html_menu_subsections(org, fields, "MD")
# Mounts - parameters section
if org.shall_render("MS"):
try:
import views.mountsparameters
print_out(views.mountsparameters.render(dataprovider, fields, vld, readonly))
except Exception:
print_exception()
# Mounts - operations section
if org.shall_render("MO"):
try:
import views.mountsoperations
print_out(views.mountsoperations.render(dataprovider, fields, vld))
except Exception:
print_exception()
# Open files section
if org.shall_render("OF"):
try:
import views.openfiles
print_out(views.openfiles.render(dataprovider, fields, vld))
except Exception:
print_exception()
if org.shall_render("RP"):
html_menu_subsections(org, fields, "RP")
# Storage classes section
if org.shall_render("SC"):
try:
import views.sclasses
print_out(views.sclasses.render(dataprovider, fields, vld))
except Exception:
print_exception()
# Override patterns section
if org.shall_render("PA"):
try:
import views.opatterns
print_out(views.opatterns.render(dataprovider, fields, vld))
except Exception:
print_exception()
# Quotas
if org.shall_render("QU"):
try:
import views.quotas
print_out(views.quotas.render(dataprovider, fields, vld))
except Exception:
print_exception()
if not ajax_request:
print("""</div><!-- end of container-ajax -->""")
# content from now on (i.e., charts) is not subject of the full DOM ajax update
# Master and Chunkservers charts
if org.shall_render("XC"):
html_menu_subsections(org, fields, "XC")
# Include servers charts scripts
if (org.shall_render("MC") or org.shall_render("CC")):
print("""<script src="assets/acidchart.js" type="text/javascript"></script>""")
# Master servers charts
# charts are ajax-updated individually, without resending the page content
if org.shall_render("MC"):
out = []
try:
import views.chartsmc
print_out(views.chartsmc.render(dataprovider, fields, vld))
except Exception:
print_exception()
# Chunkservers charts
# charts are ajax-updated individually, without resending the page content
if org.shall_render("CC"):
out = []
try:
import views.chartscc
print_out(views.chartscc.render(dataprovider, fields, vld))
except Exception:
print_exception()
#######################################################
### RENDER FOOTER ###
#######################################################
if not ajax_request:
print("""</div><!-- end of container -->""")
import views.footer
print_out(views.footer.render(dataprovider, fields, vld))
|
