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path: root/src/op_mode/dhcp.py
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2024-03-28dhcp: T6174: Add TACACS/Radius users to _kea groupsarthurdev
Also raise op-mode error when unable to fetch data from Kea socket
2024-03-28op-mode: T6175: "renew dhcp interface <name>" does not check for DHCP interfaceChristian Breunig
The current op-mode script simply calls sudo systemctl restart "dhclient@$4.service" with no additional information about a client interface at all. This results in useless dhclient processes root 47812 4.7 0.0 5848 3584 ? Ss 00:30 0:00 /sbin/dhclient -4 -d root 48121 0.0 0.0 4188 3072 ? S 00:30 0:00 \_ /bin/sh /sbin/dhclient-script root 48148 50.0 0.2 18776 11264 ? R 00:30 0:00 \_ python3 - Which also assign client leases to all local interfaces, if we receive one valid DHCPOFFER vyos@vyos:~$ show interfaces Codes: S - State, L - Link, u - Up, D - Down, A - Admin Down Interface IP Address MAC VRF MTU S/L Description ----------- ----------------- ----------------- ------- ----- ----- ------------- eth0 - 00:50:56:bf:c5:6d default 1500 u/u eth0.10 172.16.33.102/24 00:50:56:bf:c5:6d default 1500 u/u eth1 172.16.33.131/24 00:50:56:b3:38:c5 default 1500 u/u 172.16.33.102/24 and 172.16.33.131/24 are stray DHCP addresses. This commit moved the renew command to the DHCP op-mode script to properly validate if the interface we request a renew for, has actually a dhcp address configured. In additional this exposes the renew feature to the API.
2024-03-06dhcp: T6102: Fix clear DHCP lease op-modesarthurdev
* Add `clear dhcpv6-server lease` * Standardize using vyos.opmode
2024-02-13dhcp: dhcpv6: T3316: Add op-mode for showing DHCP(v6) static-mappingssarthurdev
2024-02-13dhcpv6-server: T3316: Display delegated prefix length in lease outputsarthurdev
2024-02-13dhcpv6-server: T5992: Fix op-mode Kea DHCP lease outputsarthurdev
Due to Kea's lease file cleanup, the CSV file content is inconsistent. This commit makes changes to use the Kea control socket to fetch current lease information.
2024-01-13dhcpv6: T3316: Move options to separate node and extend scopessarthurdev
* Also migrate `address-range` to `range` tag node for consistency with dhcpv4 server syntax
2023-12-29dhcp: T3316: Adjust kea lease files' location and permissionsIndrajit Raychaudhuri
Move the kea lease file to a separate directory `/config/dhcp` that `kea` process can write to so that subprocesses spawned by `kea` process can operate on the lease files. To allow `kea` process to write to `/config/dhcp`, add `_kea` user to `vyattacfg` group. And the lease files are owned completely by `_kea` user to play well with `kea-lfc` process. Specifically, this is necessary for `kea-lfc` which is spawned by `kea` process to clean up expired leases. Since `kea-lfc` creates additional backup lease files, it needs write access to the lease file directory. Additionally, change the extension of the lease file from `.leases` to `.csv` to reflect the actual file format.
2023-12-12dhcp: T3316: Fix dhcp op-mode state 'all' matchingsarthurdev
2023-12-12dhcp: T3316: Fix raw op-mode lease outputsarthurdev
2023-12-08dhcp: T3316: Migrate dhcp/dhcpv6 server to Keasarthurdev
2023-11-30T5778: dhcp server: fix op-mode command <show dhcp server leases ...>.Nicolas Fort
2023-11-27T5778: dhcp server: patch op-mode command <show dhcp server leases>. If ↵Nicolas Fort
*pool* empty, this means that lease was granted by fail-over server. Also fix issue that <show dhcp server leases state all> print nothing.
2023-09-01T5536: Fix show dhcp client leasesViacheslav Hletenko
Fix helpers was moved to vyos.utils package Fix empty new address from the lease file causes OSError: illegal IP address string passed to inet_pton
2023-08-05T3355: provide VRF for DHCP client leasesChristian Breunig
2023-08-04dhcp: T5428: provide common direcotry path via vyos.defaults.directoriesChristian Breunig
Multiple scripts use the same hardcoded path for DHCP client leases in different direcotries - this can't be worse.
2023-07-30T3355: always work with UNIX timestamps for dhcp client lease displayChristian Breunig
ISC dhcp client contains least_update timestamp in human readable format this makes less sense for an API and also the expiry timestamp is provided in UNIX time. Convert string (e.g. Sun Jul 30 18:13:44 CEST 2023) to UNIX time (1690733624) vyos@vyos:~$ ${vyos_op_scripts_dir}/dhcp.py show_client_leases --family inet --interface eth0.10 Interface eth0.10 IP address 172.16.33.123 [Active] Subnet Mask 255.255.255.0 Domain Name vyos.net Router 172.16.33.254 Name Server 172.16.254.30 DHCP Server 172.16.33.254 DHCP Server 86400 Last Update Sun Jul 30 18:13:44 CEST 2023 Expiry Mon Jul 31 18:13:43 CEST 2023 vyos@vyos:~$ ${vyos_op_scripts_dir}/dhcp.py show_client_leases --family inet --interface eth0.10 --raw [ { "last_update": 1690733624, "reason": "RENEW", "interface": "eth0.10", "new_expiry": "1690820023", "new_dhcp_lease_time": "86400", "medium": "", "alias_ip_address": "", "new_ip_address": "172.16.33.123", "new_broadcast_address": "172.16.33.255", "new_subnet_mask": "255.255.255.0", "new_domain_name": "vyos.net", "new_network_number": "172.16.33.0", "new_domain_name_servers": "172.16.254.30", "new_routers": "172.16.33.254", "new_static_routes": "", "new_dhcp_server_identifier": "172.16.33.254", "new_dhcp_message_type": "5", "old_ip_address": "172.16.33.123", "old_subnet_mask": "255.255.255.0", "old_domain_name": "vyos.net", "old_domain_name_servers": "172.16.254.30", "old_routers": "172.16.33.254", "old_static_routes": "" } ]
2023-07-29T3355: migrate "show dhcp client lease" to new op-mode styleChristian Breunig
vyos@vyos# ${vyos_op_scripts_dir}/dhcp.py show_client_leases --family inet --interface eth0.10 Interface eth0.10 IP address 172.16.33.123 [Active] Subnet Mask 255.255.255.0 Domain Name vyos.net Router 172.16.33.254 Name Server 172.16.254.30 DHCP Server 172.16.33.254 DHCP Server 86400 Last Update Sat Jul 29 21:13:32 CEST 2023 Expiry Sun Jul 30 21:13:31 CEST 2023 vyos@vyos# ${vyos_op_scripts_dir}/dhcp.py show_client_leases --family inet --interface eth0.10 --raw [ { "last_update": "Sat Jul 29 21:13:32 CEST 2023", "reason": "BOUND", "interface": "eth0.10", "new_expiry": "1690744411", "new_dhcp_lease_time": "86400", "medium": "", "alias_ip_address": "", "new_ip_address": "172.16.33.123", "new_broadcast_address": "172.16.33.255", "new_subnet_mask": "255.255.255.0", "new_domain_name": "vyos.net", "new_network_number": "172.16.33.0", "new_domain_name_servers": "172.16.254.30", "new_routers": "172.16.33.254", "new_static_routes": "", "new_dhcp_server_identifier": "172.16.33.254", "new_dhcp_message_type": "5", "old_ip_address": "", "old_subnet_mask": "", "old_domain_name": "", "old_domain_name_servers": "", "old_routers": "", "old_static_routes": "" } ]
2023-07-14T5195: vyos.util -> vyos.utils package refactoring (#2093)Christian Breunig
* T5195: move run, cmd, call, rc_cmd helper to vyos.utils.process * T5195: use read_file and write_file implementation from vyos.utils.file Changed code automatically using: find . -type f -not -path '*/\.*' -exec sed -i 's/^from vyos.util import read_file$/from vyos.utils.file import read_file/g' {} + find . -type f -not -path '*/\.*' -exec sed -i 's/^from vyos.util import write_file$/from vyos.utils.file import write_file/g' {} + * T5195: move chmod* helpers to vyos.utils.permission * T5195: use colon_separated_to_dict from vyos.utils.dict * T5195: move is_systemd_service_* to vyos.utils.process * T5195: fix boot issues with missing imports * T5195: move dict_search_* helpers to vyos.utils.dict * T5195: move network helpers to vyos.utils.network * T5195: move commit_* helpers to vyos.utils.commit * T5195: move user I/O helpers to vyos.utils.io
2023-04-19op-mode: T5159: dhcpv6 incorrect warning messagesrividya0208
The operational command "show dhcpv6 server leases" shows a warning message e ven if dhcpv6 setting are configured and ipv6 address got assigned to clients.
2023-03-10T4973: DHCP server fix output for long leasesViacheslav Hletenko
With long lease time for example lease '4294967295' seconds it is impossible to get end lease as value is 'ends never;' It cause error to get timestamp() from 'ends never' and remaining time 'lease.end - datetime.utcnow()' Set default remaining and end lease to '-' if we cannot get this info
2023-03-05op-mode: T5051: use typing.Literal in op-mode scriptsJohn Estabrook
2022-12-23dhcp: T4758: implement missing functionality from old script to new op-mode ↵Christian Poessinger
script Sorting DHCP pools and filtering for state can now be done using the new op-mode mode scripts in DHCP. This allows us to drop the old helpers show_dhcp.py and show_dhcpv6.py.
2022-11-02T4758: Rewrite show DHCP(v6) server leases to vyos.opmode formatViacheslav Hletenko
Rewrite op-mode DHCP and DHCPv6 leases to vyos.opmode format Abbility to show 'raw' format show dhcp server leases show dhcpv6 server leases
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