What I did:
Added bgp as a dependent of swss
Why I did it:
bgp container was not restarting on swss crash. When swss crashes, linkmgrd
doesn't initate a switchover because it cannot access the default route from
orchagent. Bringing down bgp with swss will isolate the ToR, causing linkmgrd
to initiate a switchover to the peer ToR avoiding significant packet loss.
How I did it:
Added bgp to DEPENDENT
Signed-off-by: Nikola Dancejic <ndancejic@microsoft.com>
A change in sonic-utilities makes all cache files be saved into a
/tmp/cache. On swss restart this cache has to be removed in case swss
starts in cold or fast mode. A related cache restoration in the warmboot
finalizer script is also updated to use new location.
- Why I did it
To fix#9817. Clear the cache directory on swss.sh except for warm start.
Also, adopted finalize-warmboot script to take the cache directory.
- How I did it
A change in sonic-utilities makes all cache files be saved into a /tmp/cache. On swss restart this cache has to be removed in case swss starts in cold or fast mode. A related cache restoration in the warmboot finalizer script is also updated to use new location.
- How to verify it
Run togather with Azure/sonic-utilities#2232. Verify counters cache is removed on config reload, cold/fast reboots, swss restart.
Signed-off-by: Stepan Blyschak <stepanb@nvidia.com>
What I did:
Following changes done for packet based chassis:-
1> Run arp_update on LC's to resolve static route nexthops over backend
port-channel interfaces.
2> On Supervisor make sure arp_update exit gracefully
Avoid write_standby in warm restart context.
sign-off: Jing Zhang zhangjing@microsoft.com
Why I did it
In warm restart context, we should avoid mux state change.
How I did it
Check warm restart flag before applying changes to app db.
How to verify it
Ran write_standby in table missing, key missing, field missing scenarios.
Did a warm restart, app db changes were skipped. Saw this in syslog:
WARNING write_standby: Taking no action due to ongoing warmrestart.
- Why I did it
When LLDP is disabled through feature command, it gets spawned after reboot.
- How I did it
In syncd.sh check if the service is enabled before spawning automatically during cold reboot.
- How to verify it
Disable lldp feature. Perform cold reboot and verify its not spawned.
- Why I did it
Recent change to delay PMON service in case of fast/warm reboot introduce an issue when restarting only SWSS service after fast/warm reboot for Nvidia platform.
Since the timer is triggered only when the system boot, in a scenario when the system is after a fast/warm reboot and the user restart SWSS service, as part of syncd.sh script, PMON service will stop but the timer will not start again.
- How I did it
On syncd.sh script, in case of fast/warm indication, check if pmon.timer is running.
If it is running it means we are at the first boot and continue normally.
If it is not running, meaning the service was restarted, start the timer to keep the system behavior consistent.
- How to verify it
Run fast/warm reboot.
service swss restart.
Observe PMON service starting.
Signed-off-by: Shlomi Bitton <shlomibi@nvidia.com>
* When reloading config after crashes, VTEP interfaces are sometimes not created since the tunnel still exists in the STATE_DB.
* Adding VXLAN_TUNNEL_TABLE to the list of tables to be cleaned in swss.sh fixes the problem.
- Why I did it
Profiling the system state on init after fast-reboot during create_switch function execution, it is possible to see few python scripts running at the same time.
This parallel execution consume CPU time and the duration of create_switch is longer than it should be.
Following this finding, and the motivation to ensure these services will not interfere in the future, PMON is delayed in 90 seconds until the system finish the init flow after fastboot.
- How I did it
Add a timer for PMON service.
Exclude for MLNX platform the start trigger of PMON when SYNCD starts in case of fastboot.
Copy the timer file to the host bin image.
- How to verify it
Run fast-reboot on MLNX platform and observe faster create_switch execution time.
- Why I did it
Profiling the system state on init after fast-reboot during create_switch function execution, it is possible to see few python scripts running at the same time.
This parallel execution consume CPU time and the duration of create_switch is longer than it should be.
Following this finding, and the motivation to ensure these services will not interfere in the future, LLDP is delayed in 90 seconds until the system finish the init flow after fastboot.
- How I did it
Add a timer for LLDP service.
Copy the timer file to the host bin image.
- How to verify it
Run fast-reboot on MLNX platform and observe faster create_switch execution time.
This PR is dependent on PR: #10567
Fix the issues #10501 and #9733
If having gearbox, we need:
* add gbsyncd as a peer since swss also has dependency on gbsyncd
* add service gbsyncd to FEATURE table if it is missing
Why I did it
improvement of starting barefoot SDK
How I did it
restart of the interface for cleaning txquee through which communication takes place between Sonic and openBMC
How to verify it
run sonic autorestart tests
This can save 6 sec for teamd LAG restoration - the time between:
```
Mar 9 13:51:10.467757 r-panther-13 WARNING teamd#teamd_PortChannel1[28]: Got SIGUSR1.
Mar 9 13:52:33.310707 r-panther-13 INFO teamd#teamd_PortChannel1[27]: carrier changed to UP
```
- Why I did it
Optimize warm boot. Specifically reduce the time needed for LAG restoration.
- How I did it
Kill teamd docker after graceful shutdown of teamd processes.
- How to verify it
Run warm reboot.
Signed-off-by: Stepan Blyschak <stepanb@nvidia.com>
Why I did it
Fixes#8980 partly.
The corresponding changes in sonic-sairedis is here :
Azure/sonic-sairedis#975
How I did it
Include changes from both repos and build an image for verification.
How to verify it
Trigger fast-reboot with the changes, see the attribute SAI_SWITCH_ATTR_UNINIT_DATA_PLANE_ON_REMOVAL being set at the SAI level.
Signed-off-by: Thushar Gowda <24815472+tbgowda@users.noreply.github.com>
Why I did it
Add bgpcfgd support to advertise routes.
How I did it
Make bgpcfgd subscribe to the ADVERTISE_NETWORK table in STATE_DB and configure route advertisement accordingly.
How to verify it
Added unit tests in bgpcfgd and verify on KVM about route advertisement.
- Consolidate the two [Service] sections by moving the ExecStartPre line for mark_dhcp_packet.py to the first section and removing the second.
- Make the mark_dhcp_packet.py file executable
- Also clean up mark_dhcp_packet.py
- Remove unused imports
- Fix spacing and line lengths to conform to PEP8
Signed-off-by: Lawrence Lee <lawlee@microsoft.com>
Why I did it
Fix#9059. It provides common gbsyncd.service.j2 to start for platform specific gbsyncd docker, which must be named 'gbsyncd'.
How I did it
All of platform specific gbsyncd dockers use a common name 'gbsyncd'
Use a unique systemd service template gbsyncd.service.j2 for gbsyncd docker
Why I did it
Fix#9059. It provides common gbsyncd.service.j2 to start for platform specific gbsyncd docker, which must be named 'gbsyncd'.
How I did it
All of platform specific gbsyncd dockers use a common name 'gbsyncd'
Use a unique systemd service template gbsyncd.service.j2 for gbsyncd docker
This is due to the SERVICE variable declared after reading a file
#### Why I did it
To fix an issue that dhcp_relay does not restart with swss.
#### How I did it
Fixed in the swss.sh script
#### How to verify it
sudo systemctl restart swss
verify dhcp_relay restarts as well.
- add a new service "mark_dhcp_packet" to mux container
- apply packet marks on a per-interface basis in ebtables
- write packet marks to "DHCP_PACKET_MARK" table in state_db
[write_standby]: Ignore non-auto interfaces
* In the event that `write_standby.py` is used to automatically switchover interfaces when linkmgrd or bgp crashes, ignore any interfaces that are not configured to auto-switch
Signed-off-by: Lawrence Lee <lawlee@microsoft.com>
Fix#7968
Issue is detected on SONiC.20201231.11
In test_static_route.py::test_static_route_ecmp static routes are configured, but neighbors are not resolved after config reload even after 10 minutes.
It looks like the arp_update script is starting to ping when Vlan1000 is not fully configured.
When issue is reproduced, stuck ping6 process is observed in swss container :
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
root 180 0.1 0.0 6296 1272 pts/0 S 17:03 0:03 ping6 -I Vlan1000 -n -q -i 0 -c 1 -W 0 ff02::1
And when arp_update script successfully resolves neighbors, we observe sleep 300 instead of ping process
#### Why I did it
* `arp_update` fails to ping those neighbors over vlan sub interfaces.
#### How I did it
* modify `arp_update_vars.j2` to get vlan sub interfaces with ipv6 addresses assigned.
* modify `arp_update` to send ipv6 pings over those retrieved vlan sub interfaces.
Signed-off-by: Longxiang Lyu <lolv@microsoft.com>
This change is to add a gbsyncd container to accommodate the syncd process and the SAI libraries for the Credo gearbox chips.
How I did it
This container works similar to the existing Broadcom syncd container. Its main difference is that the SAI-related dynamic libraries are replaced by the ones for Credo gearbox chips, and the container only reacts to SAI events for the gearbox chips. The SAI libraries will be provided by the package libsai-credo_1.0_amd64.deb.
For the image build, the added container will be built and included in the Broadcom platform image, after $(LIBSAI_CREDO)_URL = is replaced to the correct value. For now, as $(LIBSAI_CREDO)_URL is empty, the container build is skipped in the image build.
After the container is included in the image, in the runtime, the container will begin with checking the existence of /usr/share/sonic/hwsku/gearbox_config.json; if that file is not provided, the container will exit by itself. Therefore, for platforms unrelated to the Credo chips, as long as they are not providing the file, they will not be affected by this change.
Changes to allow starting per asic services like swss and syncd only if the platform vendor codedetects the asic is detected and notified. The systemd services ordering we want is database->database@->pmon->swss@->syncd@->teamd@->lldp@
There is also a requirement that management, telemetry, snmp dockers can start even if all asic services are not up.
Why I did it
For VOQ chassis, the fabric cards will have 1-N asics. Also, there could be multiple removable fabric cards. On the supervisor, swss and syncd containers need to be started only if the fabric-card is in Online state and respective asics are detected by the kernel. Using systemd, the dependent services can be in inactive state.
How I did it
Introduce a mechanism where all ASIC dependent service wait on its state to be published via PMON to REDIS. Once the subscription is received, the service proceeds to create respective dockers.
For fixed platforms, systemd is unchanged i.e. the service bring up and docker creation happens in the start()/ExecStartPre routine of the .sh scripts.
For VOQ chassis platform on supervisor, the service bringup skips docker creation in the start() routine, but does it in the wait()/ExecStart routine of the .sh scrips.
Management dockers are decoupled from ASIC docker creation.
- Why I did it
Make DHCP relay docker an extension. DHCP relay now carries dhcp relay commands CLI plugin and has a complete manifest.
It is installed as extension if INCLUDE_DHCP_REALY is set to y.
DEPENDS on #5939
- How I did it
Modify DHCP relay docker makefile and dockerfile. Make changes to sonic_debian_extension.j2 to install sonic packages.
I moved DHCP related CLI tests from sonic-utilities to DHCP relay docker.
This PR introduces a way to write a plugin as part of docker image and run the tests from cli-plugin-tests directory under docker directory.
The test result is available in target/docker-dhcp-relay.gz.log:
[ REASON ] : target/docker-dhcp-relay.gz does not exist NON-EXISTENT PREREQUISITES: docker-start target/docker-config-engine-buster.gz-load target/python-wheels/sonic_utilities-1.2-py3-none-any.whl-in
stall target/debs/buster/python3-swsscommon_1.0.0_amd64.deb-install
[ FLAGS FILE ] : []
[ FLAGS DEPENDS ] : []
[ FLAGS DIFF ] : []
============================= test session starts ==============================
platform linux -- Python 3.7.3, pytest-3.10.1, py-1.7.0, pluggy-0.8.0 -- /usr/bin/python3
cachedir: .pytest_cache
rootdir: /sonic/dockers/docker-dhcp-relay/cli-plugin-tests, inifile:
plugins: cov-2.6.0
collecting ... collected 10 items
test_config_dhcp_relay.py::TestConfigVlanDhcpRelay::test_plugin_registration PASSED [ 10%]
test_config_dhcp_relay.py::TestConfigVlanDhcpRelay::test_config_vlan_add_dhcp_relay_with_nonexist_vlanid PASSED [ 20%]
test_config_dhcp_relay.py::TestConfigVlanDhcpRelay::test_config_vlan_add_dhcp_relay_with_invalid_vlanid PASSED [ 30%]
test_config_dhcp_relay.py::TestConfigVlanDhcpRelay::test_config_vlan_add_dhcp_relay_with_invalid_ip PASSED [ 40%]
test_config_dhcp_relay.py::TestConfigVlanDhcpRelay::test_config_vlan_add_dhcp_relay_with_exist_ip PASSED [ 50%]
test_config_dhcp_relay.py::TestConfigVlanDhcpRelay::test_config_vlan_add_del_dhcp_relay_dest PASSED [ 60%]
test_config_dhcp_relay.py::TestConfigVlanDhcpRelay::test_config_vlan_remove_nonexist_dhcp_relay_dest PASSED [ 70%]
test_config_dhcp_relay.py::TestConfigVlanDhcpRelay::test_config_vlan_remove_dhcp_relay_dest_with_nonexist_vlanid PASSED [ 80%]
test_show_dhcp_relay.py::TestVlanDhcpRelay::test_plugin_registration PASSED [ 90%]
test_show_dhcp_relay.py::TestVlanDhcpRelay::test_dhcp_relay_column_output PASSED [100%]
=============================== warnings summary ===============================
/usr/local/lib/python3.7/dist-packages/tabulate.py:7
/usr/local/lib/python3.7/dist-packages/tabulate.py:7: DeprecationWarning: Using or importing the ABCs from 'collections' instead of from 'collections.abc' is deprecated, and in 3.8 it will stop working
from collections import namedtuple, Iterable
-- Docs: https://docs.pytest.org/en/latest/warnings.html
==================== 10 passed, 1 warnings in 0.35 seconds =====================
Signed-off-by: Stepan Blyschak stepanb@mellanox.com
Why I did it
To support building DHCP relay as extension and installing it during build time.
How I did it
Created infrastructure. Users need to define their packages in rules/sonic-packages.mk
How to verify it
Together with #6531
Signed-off-by: Yong Zhao yozhao@microsoft.com
Why I did it
In the configuration of rsyslog, duplicate messages will be suppressed and reported in the format of message repeated n times.
Due to this behavior, if a critical process in a container exited unexpectedly, the alerting message will be written into syslog once
and not be written into syslog anymore until the second critical process exited. This PR aims to differentiate these alerting messages such that they will not be suppressed by rsyslogd and can appear in the syslog periodically.
How I did it
This PR adds a counter into the alerting message and shows how many minutes a critical process was not running.
How to verify it
I verified and test this implementation on a physical DUT.
- What I did
All SWSS dependent services should stop before SWSS service to avoid future possible issues.
For example 'teamd' service will stop before to allow the driver unload netdev gracefully.
This is to stop all LAG's before restarting syncd service when running 'config reload' command.
- How I did it
Change the order of dependent services of SWSS.
- How to verify it
Run 'config reload' command.
Previously the operation failed when a large number of PortChannel configured on the system.
Signed-off-by: Shlomi Bitton <shlomibi@nvidia.com>
* Add *MUX_CABLE_TABLE* to set of tables to clear on SWSS start, which
will clear HW_MUX_CABLE_TABLE and MUX_CABLE_TABLE
* Order swss to start before pmon to ensure that DBs are cleared before
xcvrd (running inside pmon) starts and re-populates the tables
Signed-off-by: Lawrence Lee <lawlee@microsoft.com>
**- Why I did it**
To support FW upgrade on init.
**- How I did it**
Change timeout value
**- How to verify it**
I manually changed ASIC and Gearbox FW followed by hard reset in order for FW upgrade to take place on init.
Signed-off-by: liora <liora@nvidia.com>
- Why I did it
Initially, we used Monit to monitor critical processes in each container. If one of critical processes was not running
or crashed due to some reasons, then Monit will write an alerting message into syslog periodically. If we add a new process
in a container, the corresponding Monti configuration file will also need to update. It is a little hard for maintenance.
Currently we employed event listener of Supervisod to do this monitoring. Since processes in each container are managed by
Supervisord, we can only focus on the logic of monitoring.
- How I did it
We borrowed the event listener of Supervisord to monitor critical processes in containers. The event listener will take
following steps if it was notified one of critical processes exited unexpectedly:
The event listener will first check whether the auto-restart mechanism was enabled for this container or not. If auto-restart mechanism was enabled, event listener will kill the Supervisord process, which should cause the container to exit and subsequently get restarted.
If auto-restart mechanism was not enabled for this contianer, the event listener will enter a loop which will first sleep 1 minute and then check whether the process is running. If yes, the event listener exits. If no, an alerting message will be written into syslog.
- How to verify it
First, we need checked whether the auto-restart mechanism of a container was enabled or not by running the command show feature status. If enabled, one critical process should be selected and killed manually, then we need check whether the container will be restarted or not.
Second, we can disable the auto-restart mechanism if it was enabled at step 1 by running the commnad sudo config feature autorestart <container_name> disabled. Then one critical process should be selected and killed. After that, we will see the alerting message which will appear in the syslog every 1 minute.
- Which release branch to backport (provide reason below if selected)
201811
201911
[x ] 202006
HLD: Azure/SONiC#646
In modular chassis, add CHASSIS_STATE_DB on control card
Why I did it
Modular Chassis has control-cards, line-cards and fabric-cards along with other peripherals. Control-Card CHASSIS_STATE_DB will be the central DB to maintain any state information of cards that is accessible to control-card/
How I did it
Adding another DB on an existing REDIS instance running on port 6380.
**- Why I did it**
To support dynamic buffer calculation.
This PR also depends on the following PRs for sub modules
- [sonic-swss: [buffermgr/bufferorch] Support dynamic buffer calculation #1338](https://github.com/Azure/sonic-swss/pull/1338)
- [sonic-swss-common: Dynamic buffer calculation #361](https://github.com/Azure/sonic-swss-common/pull/361)
- [sonic-utilities: Support dynamic buffer calculation #973](https://github.com/Azure/sonic-utilities/pull/973)
**- How I did it**
1. Introduce field `buffer_model` in `DEVICE_METADATA|localhost` to represent which buffer model is running in the system currently:
- `dynamic` for the dynamic buffer calculation model
- `traditional` for the traditional model in which the `pg_profile_lookup.ini` is used
2. Add the tables required for the feature:
- ASIC_TABLE in platform/\<vendor\>/asic_table.j2
- PERIPHERAL_TABLE in platform/\<vendor\>/peripheral_table.j2
- PORT_PERIPHERAL_TABLE on a per-platform basis in device/\<vendor\>/\<platform\>/port_peripheral_config.j2 for each platform with gearbox installed.
- DEFAULT_LOSSLESS_BUFFER_PARAMETER and LOSSLESS_TRAFFIC_PATTERN in files/build_templates/buffers_config.j2
- Add lossless PGs (3-4) for each port in files/build_templates/buffers_config.j2
3. Copy the newly introduced j2 files into the image and rendering them when the system starts
4. Update the CLI options for buffermgrd so that it can start with dynamic mode
5. Fetches the ASIC vendor name in orchagent:
- fetch the vendor name when creates the docker and pass it as a docker environment variable
- `buffermgrd` can use this passed-in variable
6. Clear buffer related tables from STATE_DB when swss docker starts
7. Update the src/sonic-config-engine/tests/sample_output/buffers-dell6100.json according to the buffer_config.j2
8. Remove buffer pool sizes for ingress pools and egress_lossy_pool
Update the buffer settings for dynamic buffer calculation
**- Why I did it**
Align style with slightly modified PEP8 standards (extend maximum line length to 120 chars). This will also help in the transition to Python 3, where it is more strict about whitespace, plus it helps unify style among the SONiC codebase. Will tackle other directories in separate PRs.
**- How I did it**
Using `autopep8 --in-place --max-line-length 120` and some manual tweaks.
Added new flag value 'always_enabled' for the state and auto-restart field of feature table
init_cfg.json is updated to initialize state field of database/swss/syncd/teamd feature and auto-restart field of database feature
as always_enabled
Once the state/auto-restart value is initialized as "always_enabled" it is immutable and cannot be change via feature config commands. (config feature..) PR#Azure/sonic-utilities#1271
hostcfgd will not take any action if state field value is 'always_enabled'
Since we have always_enabled field for auto-restart updated supervisor-proc-exit-listener
not to have special check for database and always rely on value from Feature table.
