def pollDevices(self, *_):
"""Refresh the storage dropdown list with available devices.
Note: We can't use a storageMediaSelect here, because the
device may not be usable storage media."""
run(self,
['lsblk', '--pairs', '--output=NAME,SIZE,TYPE'],
lambda exitStatus:
self.uiLocalMediaFeedback.showError(
f'Could not read storage devices.\n("lsblk" exited with code {exitStatus}.)' ),
self.pollDevices2 )
def testNetworkStorage(self):
self.uiNetworkStorageFeedback.showMessage(f'Working…'),
#TODO: This needs to be exposed to the web app, so it needs to go through the API.
run(self,
['mount', '-t', 'cifs', '-o',
f'user={self.uiNetworkStorageUsername.text()},password={self.uiNetworkStoragePassoword.text()}',
f'//{self.uiNetworkStorageAddress.text()}/', '/mnt/cam' ],
lambda exitStatus:
self.uiNetworkStorageFeedback.showError(f'Could not connect.'), #Mm, cryptic.
lambda *_:
self.uiNetworkStorageFeedback.showMessage(
f'Network storage connected successfully!' ),
)
def updateMountedDeviceList(self, *_):
"""Refresh the "Mounted Devices" display.
We observe externalStorage for this, since it changes
when the mounted devices change."""
run(self,
['df', '--human-readable',
'--exclude=tmpfs', '--exclude=devtmpfs',
'--output=source,avail,used,pcent,target' ],
lambda exitStatus:
self.uiMountedDeviceList.setText(
f'Could not read storage devices.\n("df" exited with code {exitStatus}.)' ),
self.uiMountedDeviceList.setText,
)
def updateQRCodes(self):
interface = self.uiNetworkInterface.currentData()
HTTPPort = f'\n :{self.uiHTTPPort.text()}' if not self.uiHTTPPort.text() == '80' else '' #don't show default ports, they're implicit
SSHPort = f'\n -p {self.uiSSHPort.text()}' if not self.uiSSHPort.text() == '22' else ''
appUrl = f"http://{interface['address']}{HTTPPort}/app"
sshCommand = f"ssh root@{interface['address']}{SSHPort}"
external_process.run(self,
['qrencode', '-o', '-', appUrl],
lambda err: None,
lambda data: self.updateAppQRCode(self.uiAppUrlQRCode, data),
binaryOutput = True,
)
external_process.run(self,
['qrencode', '-o', '-', sshCommand],
lambda err: None,
lambda data: self.updateAppQRCode(self.uiSSHCommandQRCode, data),
binaryOutput = True,
)
def reloadHTTP(self):
if not settings.value('http enabled', True):
return
self.uiHTTPStatus.showMessage(
f"Status: Working…",
timeout = 0 )
external_process.run(self,
['service', 'chronos-web-api', 'restart'],
lambda err: (
self.uiHTTPStatus.showError(
f"Status: Error. See journalctl.",
timeout = 0 ),
log.error(f'[4wQyPn] external process returned {err}'),
),
lambda *_:
self.uiHTTPStatus.showMessage(
f"Status: Running.",
timeout = 0 )
)
def reloadSSH(self):
if not settings.value('ssh enabled', False):
return
self.uiSSHStatus.showMessage(
f"Status: Working…",
timeout = 0 )
external_process.run(self,
['service', 'ssh', 'reload'],
lambda err: (
self.uiSSHStatus.showError(
f"Status: Error. (See journalctl -xn.)",
timeout = 0 ),
log.error(f'Internal command failed with code {err}.'),
),
lambda *_:
self.uiSSHStatus.showMessage(
f"Status: Running.",
timeout = 0 )
)
def setHTTP(self, *, on=True):
log.debug(f'setHTTP {on}')
settings.setValue('http enabled', on)
if on:
self.uiHTTPStatus.showMessage(
f"Status: Starting…",
timeout = 0 )
external_process.run(self,
['systemctl', 'enable', 'chronos-web-api'],
lambda err: (
self.uiHTTPStatus.showError(
f"Status: Error. See journalctl.",
timeout = 0 ),
log.error(f'Internal command failed with code {err}.'),
),
lambda *_: external_process.run(self,
['service', 'chronos-web-api', 'start'],
lambda err: (
self.uiHTTPStatus.showError(
f"Status: Error. See journalctl.",
timeout = 0 ),
log.error(f'Internal command failed with code {err}.'),
),
lambda *_:
self.uiHTTPStatus.showMessage(
f"Status: Running.",
timeout = 0 )
)
)
else: #off
self.uiHTTPStatus.showMessage(
f"Status: Stopping…",
timeout = 0 )
external_process.run(self,
['service', 'chronos-web-api', 'stop'],
lambda err: (
self.uiHTTPStatus.showError(
f"Status: Error. See journalctl.",
timeout = 0 ),
log.error(f'[9quMdB] external process returned {err}'),
),
lambda *_: external_process.run(self,
['systemctl', 'disable', 'chronos-web-api'],
lambda err: (
self.uiHTTPStatus.showError(
f"Status: Error. See journalctl.",
timeout = 0 ),
log.error(f'[kNIh2U] external process returned {err}'),
),
lambda *_:
self.uiHTTPStatus.showMessage(
f"Status: Stopped.",
timeout = 0 )
)
)
def setSSH(self, *, on=True):
log.debug(f'setSSH {on}')
settings.setValue('ssh enabled', on)
if on:
self.uiSSHStatus.showMessage(
f"Status: Starting…",
timeout = 0 )
external_process.run(self,
['systemctl', 'enable', 'ssh'],
lambda err: (
self.uiSSHStatus.showError(
f"Status: Error. See journalctl.",
timeout = 0 ),
log.error(f'[wf8F10] external process returned {err}'),
),
lambda *_: external_process.run(self,
['service', 'ssh', 'start'],
lambda err: (
self.uiSSHStatus.showError(
f"Status: Error. See journalctl.",
timeout = 0 ),
log.error(f'[iJGaZW] external process returned {err}'),
),
lambda *_:
self.uiSSHStatus.showMessage(
f"Status: Running.",
timeout = 0 )
)
)
else: #off
self.uiSSHStatus.showMessage(
f"Status: Stopping…",
timeout = 0 )
external_process.run(self,
['service', 'ssh', 'stop'],
lambda err: (
self.uiSSHStatus.showError(
f"Status: Error. See journalctl.",
timeout = 0 ),
log.error(f'Internal command failed with code {err}.'),
),
lambda *_: external_process.run(self,
['systemctl', 'disable', 'ssh'],
lambda err: (
self.uiSSHStatus.showError(
f"Status: Error. See journalctl.",
timeout = 0 ),
log.error(f'Internal command failed with code {err}.'),
),
lambda *_:
self.uiSSHStatus.showMessage(
f"Status: Stopped.",
timeout = 0 )
)
)