sonic-net · oleksandrx-kolomeiets · Dec 2, 2022 · Dec 27, 2022 · Dec 28, 2022
diff --git a/doc/warm-reboot/img/swss_going_down.puml b/doc/warm-reboot/img/swss_going_down.puml
@@ -0,0 +1,41 @@
+@startuml
+' Online Server: https://www.plantuml.com/plantuml/uml/SyfFKj2rKt3CoKnELR1Io4ZDoSa70000
+' Basic examples: https://plantuml.com/sequence-diagram#5e05164bff244555
+' Declaring participant: https://plantuml.com/sequence-diagram#5d2ed256d73a7298
+' Message to Self: https://plantuml.com/sequence-diagram#f5050860884ddf31
+' Lifeline Activation and Destruction: https://plantuml.com/sequence-diagram#5cc0040514e70f7b
+' Incoming and outgoing messages: https://plantuml.com/sequence-diagram#05984b1743e67542
+' Comments: https://plantuml.com/commons#8413c683b4b27cc3
+
+participant "[[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/build_templates/per_namespace/swss.service.j2 swss.service.j2]]" as swss.service.j2
+participant "[[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/scripts/swss.sh swss.sh]]" as swss.sh
+participant "[[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/build_templates/docker_image_ctl.j2 docker_image_ctl.j2]]" as docker_image_ctl.j2
+participant "[[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/src/sonic-ctrmgrd/ctrmgr/container container]]" as container
+participant "[[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/image_config/misc/docker-wait-any docker-wait-any]]" as dockerwaitany
+
+[-> swss.service.j2: sudo systemctl stop swss
+activate swss.service.j2
+swss.service.j2 -> swss.sh: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/build_templates/per_namespace/swss.service.j2#L26 /usr/local/bin/swss.sh stop]]
+activate swss.sh
+swss.sh -> docker_image_ctl.j2: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/scripts/swss.sh#L275 /usr/bin/swss.sh stop]]
+activate docker_image_ctl.j2
+docker_image_ctl.j2 -> container: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/build_templates/docker_image_ctl.j2#L593 /usr/local/bin/container stop swss]]
+activate container
+container -> container: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/src/sonic-ctrmgrd/ctrmgr/container#L125 container.stop()]]
+docker_image_ctl.j2 <- container
+deactivate container
+swss.sh <- docker_image_ctl.j2
+deactivate docker_image_ctl.j2
+swss.sh -> swss.sh: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/scripts/swss.sh#L136-L152 /bin/systemctl stop syncd\n/bin/systemctl stop radv\n/bin/systemctl stop bgp\n/bin/systemctl stop dhcp_relay]]
+swss.service.j2 <- swss.sh
+deactivate swss.sh
+deactivate swss.service.j2
+[-> swss.service.j2: sudo warm-reboot
+activate swss.service.j2
+swss.service.j2 -> swss.sh: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/build_templates/per_namespace/swss.service.j2#L26 /usr/local/bin/swss.sh stop]]
+activate swss.sh
+swss.sh -> swss.sh: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/scripts/swss.sh#L279 docker kill swss]]
+swss.service.j2 <- swss.sh
+deactivate swss.sh
+deactivate swss.service.j2
+@enduml
diff --git a/doc/warm-reboot/img/swss_going_down.svg b/doc/warm-reboot/img/swss_going_down.svg
diff --git a/doc/warm-reboot/img/swss_going_up.puml b/doc/warm-reboot/img/swss_going_up.puml
@@ -0,0 +1,90 @@
+@startuml
+' Online Server: https://www.plantuml.com/plantuml/uml/SyfFKj2rKt3CoKnELR1Io4ZDoSa70000
+' Basic examples: https://plantuml.com/sequence-diagram#5e05164bff244555
+' Declaring participant: https://plantuml.com/sequence-diagram#5d2ed256d73a7298
+' Message to Self: https://plantuml.com/sequence-diagram#f5050860884ddf31
+' Lifeline Activation and Destruction: https://plantuml.com/sequence-diagram#5cc0040514e70f7b
+' Incoming and outgoing messages: https://plantuml.com/sequence-diagram#05984b1743e67542
+' Comments: https://plantuml.com/commons#8413c683b4b27cc3
+
+participant "[[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/build_templates/per_namespace/swss.service.j2 swss.service.j2]]" as swss.service.j2
+participant "[[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/scripts/swss.sh swss.sh]]" as swss.sh
+participant "[[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/build_templates/docker_image_ctl.j2 docker_image_ctl.j2]]" as docker_image_ctl.j2
+participant "[[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/src/sonic-ctrmgrd/ctrmgr/container container]]" as container
+participant "[[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/image_config/misc/docker-wait-any docker-wait-any]]" as dockerwaitany
+
+[-> swss.service.j2: sudo systemctl start swss
+activate swss.service.j2
+swss.service.j2 -> swss.sh: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/build_templates/per_namespace/swss.service.j2#L24 /usr/local/bin/swss.sh start]]
+activate swss.sh
+swss.sh -> swss.sh: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/scripts/swss.sh#L169-L179 sonic-db-cli APPL_DB FLUSHDB\nsonic-db-cli ASIC_DB FLUSHDB\nsonic-db-cli COUNTERS_DB FLUSHDB\nsonic-db-cli FLEX_COUNTER_DB FLUSHDB\nsonic-db-cli GB_ASIC_DB FLUSHDB\nsonic-db-cli GB_COUNTERS_DB FLUSHDB\nsonic-db-cli RESTAPI_DB FLUSHDB\nsonic-db-cli APPL_STATE_DB FLUSHDB]]
+swss.sh -> docker_image_ctl.j2: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/scripts/swss.sh#L186 /usr/bin/swss.sh start]]
+activate docker_image_ctl.j2
+docker_image_ctl.j2 -> container: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/build_templates/docker_image_ctl.j2#L351 /usr/local/bin/container start swss]]
+activate container
+container -> container: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/src/sonic-ctrmgrd/ctrmgr/container#L125 container.start()]]
+docker_image_ctl.j2 <- container
+deactivate container
+swss.sh <- docker_image_ctl.j2
+deactivate docker_image_ctl.j2
+swss.service.j2 <- swss.sh
+deactivate swss.sh
+swss.service.j2 -> swss.sh: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/build_templates/per_namespace/swss.service.j2#L25 /usr/local/bin/swss.sh wait]]
+activate swss.sh
+swss.sh -> swss.sh: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/scripts/swss.sh#L113-L129 /bin/systemctl start syncd\n/bin/systemctl start radv\n/bin/systemctl start bgp\n/bin/systemctl start dhcp_relay]]
+swss.sh -> swss.sh: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/scripts/swss.sh#L209-L243 Allow some time for peer container to start]]
+swss.sh -> dockerwaitany: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/scripts/swss.sh#L258 /usr/bin/docker-wait-any -s swss -d syncd dhcp_relay]]
+activate dockerwaitany
+dockerwaitany -> dockerwaitany: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/image_config/misc/docker-wait-any#L100 t.start()]]
+activate dockerwaitany
+dockerwaitany -> dockerwaitany: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/image_config/misc/docker-wait-any#L52 docker_client.wait('swss')]]
+dockerwaitany -> dockerwaitany: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/image_config/misc/docker-wait-any#L63 g_thread_exit_event.set()]]
+deactivate dockerwaitany
+dockerwaitany -> dockerwaitany: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/image_config/misc/docker-wait-any#L100 t.start()]]
+activate dockerwaitany
+dockerwaitany -> dockerwaitany: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/image_config/misc/docker-wait-any#L52 docker_client.wait('syncd')]]
+dockerwaitany -> dockerwaitany: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/image_config/misc/docker-wait-any#L63 g_thread_exit_event.set()]]
+deactivate dockerwaitany
+dockerwaitany -> dockerwaitany: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/image_config/misc/docker-wait-any#L104 g_thread_exit_event.wait()]]
+swss.sh <- dockerwaitany
+deactivate dockerwaitany
+swss.service.j2 <- swss.sh
+deactivate swss.sh
+deactivate swss.service.j2
+[-> swss.service.j2: sudo warm-reboot
+activate swss.service.j2
+swss.service.j2 -> swss.sh: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/build_templates/per_namespace/swss.service.j2#L24 /usr/local/bin/swss.sh start]]
+activate swss.sh
+swss.sh -> docker_image_ctl.j2: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/scripts/swss.sh#L186 /usr/bin/swss.sh start]]
+activate docker_image_ctl.j2
+docker_image_ctl.j2 -> container: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/build_templates/docker_image_ctl.j2#L351 /usr/local/bin/container start swss]]
+activate container
+container -> container: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/src/sonic-ctrmgrd/ctrmgr/container#L125 container.start()]]
+docker_image_ctl.j2 <- container
+deactivate container
+swss.sh <- docker_image_ctl.j2
+deactivate docker_image_ctl.j2
+swss.service.j2 <- swss.sh
+deactivate swss.sh
+swss.service.j2 -> swss.sh: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/build_templates/per_namespace/swss.service.j2#L25 /usr/local/bin/swss.sh wait]]
+activate swss.sh
+swss.sh -> swss.sh: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/scripts/swss.sh#L209-L243 Allow some time for peer container to start]]
+swss.sh -> dockerwaitany: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/scripts/swss.sh#L258 /usr/bin/docker-wait-any -s swss -d syncd dhcp_relay]]
+activate dockerwaitany
+dockerwaitany -> dockerwaitany: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/image_config/misc/docker-wait-any#L100 t.start()]]
+activate dockerwaitany
+dockerwaitany -> dockerwaitany: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/image_config/misc/docker-wait-any#L52 docker_client.wait('swss')]]
+dockerwaitany -> dockerwaitany: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/image_config/misc/docker-wait-any#L63 g_thread_exit_event.set()]]
+deactivate dockerwaitany
+dockerwaitany -> dockerwaitany: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/image_config/misc/docker-wait-any#L100 t.start()]]
+activate dockerwaitany
+dockerwaitany -> dockerwaitany: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/image_config/misc/docker-wait-any#L52 docker_client.wait('syncd')]]
+dockerwaitany -> dockerwaitany: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/image_config/misc/docker-wait-any#L63 g_thread_exit_event.set()]]
+deactivate dockerwaitany
+dockerwaitany -> dockerwaitany: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/image_config/misc/docker-wait-any#L104 g_thread_exit_event.wait()]]
+swss.sh <- dockerwaitany
+deactivate dockerwaitany
+swss.service.j2 <- swss.sh
+deactivate swss.sh
+deactivate swss.service.j2
+@enduml
diff --git a/doc/warm-reboot/img/swss_going_up.svg b/doc/warm-reboot/img/swss_going_up.svg
diff --git a/doc/warm-reboot/img/syncd_going_down.puml b/doc/warm-reboot/img/syncd_going_down.puml
@@ -0,0 +1,36 @@
+@startuml
+' Online Server: https://www.plantuml.com/plantuml/uml/SyfFKj2rKt3CoKnELR1Io4ZDoSa70000
+' Basic examples: https://plantuml.com/sequence-diagram#5e05164bff244555
+' Declaring participant: https://plantuml.com/sequence-diagram#5d2ed256d73a7298
+' Message to Self: https://plantuml.com/sequence-diagram#f5050860884ddf31
+' Lifeline Activation and Destruction: https://plantuml.com/sequence-diagram#5cc0040514e70f7b
+' Incoming and outgoing messages: https://plantuml.com/sequence-diagram#05984b1743e67542
+' Comments: https://plantuml.com/commons#8413c683b4b27cc3
+
+participant "[[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/build_templates/per_namespace/syncd.service.j2 syncd.service.j2]]" as syncd.service.j2
+participant "[[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/scripts/syncd.sh syncd.sh]]" as syncd.sh
+participant "[[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/scripts/syncd_common.sh syncd_common.sh]]" as syncd_common.sh
+participant "[[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/build_templates/docker_image_ctl.j2 docker_image_ctl.j2]]" as docker_image_ctl.j2
+participant "[[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/src/sonic-ctrmgrd/ctrmgr/container container]]" as container
+
+[-> syncd.service.j2: sudo systemctl stop syncd
+activate syncd.service.j2
+syncd.service.j2 -> syncd.sh: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/build_templates/per_namespace/syncd.service.j2#L29 /usr/local/bin/syncd.sh stop]]
+activate syncd.sh
+syncd.sh -> syncd_common.sh: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/scripts/syncd.sh#L153 stop]]
+activate syncd_common.sh
+syncd_common.sh -> docker_image_ctl.j2: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/scripts/syncd_common.sh#L166 /usr/bin/syncd.sh stop]]
+activate docker_image_ctl.j2
+docker_image_ctl.j2 -> container: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/build_templates/docker_image_ctl.j2#L593 /usr/local/bin/container stop syncd]]
+activate container
+container -> container: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/src/sonic-ctrmgrd/ctrmgr/container#L125 container.stop()]]
+docker_image_ctl.j2 <- container
+deactivate container
+syncd_common.sh <- docker_image_ctl.j2
+deactivate docker_image_ctl.j2
+syncd.sh <- syncd_common.sh
+deactivate syncd_common.sh
+syncd.service.j2 <- syncd.sh
+deactivate syncd.sh
+deactivate syncd.service.j2
+@enduml
diff --git a/doc/warm-reboot/img/syncd_going_down.svg b/doc/warm-reboot/img/syncd_going_down.svg
diff --git a/doc/warm-reboot/img/syncd_going_up.puml b/doc/warm-reboot/img/syncd_going_up.puml
@@ -0,0 +1,53 @@
+@startuml
+' Online Server: https://www.plantuml.com/plantuml/uml/SyfFKj2rKt3CoKnELR1Io4ZDoSa70000
+' Basic examples: https://plantuml.com/sequence-diagram#5e05164bff244555
+' Declaring participant: https://plantuml.com/sequence-diagram#5d2ed256d73a7298
+' Message to Self: https://plantuml.com/sequence-diagram#f5050860884ddf31
+' Lifeline Activation and Destruction: https://plantuml.com/sequence-diagram#5cc0040514e70f7b
+' Incoming and outgoing messages: https://plantuml.com/sequence-diagram#05984b1743e67542
+' Comments: https://plantuml.com/commons#8413c683b4b27cc3
+
+participant "[[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/build_templates/per_namespace/syncd.service.j2 syncd.service.j2]]" as syncd.service.j2
+participant "[[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/scripts/syncd.sh syncd.sh]]" as syncd.sh
+participant "[[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/scripts/syncd_common.sh syncd_common.sh]]" as syncd_common.sh
+participant "[[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/build_templates/docker_image_ctl.j2 docker_image_ctl.j2]]" as docker_image_ctl.j2
+participant "[[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/src/sonic-ctrmgrd/ctrmgr/container container]]" as container
+
+[-> syncd.service.j2: sudo systemctl start syncd
+activate syncd.service.j2
+syncd.service.j2 -> syncd.sh: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/build_templates/per_namespace/syncd.service.j2#L27 /usr/local/bin/syncd.sh start]]
+activate syncd.sh
+syncd.sh -> syncd_common.sh: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/scripts/syncd.sh#L153 start]]
+activate syncd_common.sh
+syncd_common.sh -> docker_image_ctl.j2: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/scripts/syncd_common.sh#L122 /usr/bin/syncd.sh start]]
+activate docker_image_ctl.j2
+docker_image_ctl.j2 -> container: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/build_templates/docker_image_ctl.j2#L351 /usr/local/bin/container start syncd]]
+activate container
+container -> container: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/src/sonic-ctrmgrd/ctrmgr/container#L125 container.start()]]
+docker_image_ctl.j2 <- container
+deactivate container
+syncd_common.sh <- docker_image_ctl.j2
+deactivate docker_image_ctl.j2
+syncd.sh <- syncd_common.sh
+deactivate syncd_common.sh
+syncd.service.j2 <- syncd.sh
+deactivate syncd.sh
+syncd.service.j2 -> syncd.sh: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/build_templates/per_namespace/syncd.service.j2#L28 /usr/local/bin/syncd.sh wait]]
+activate syncd.sh
+syncd.sh -> syncd_common.sh: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/scripts/syncd.sh#L153 wait]]
+activate syncd_common.sh
+syncd_common.sh -> docker_image_ctl.j2: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/scripts/syncd_common.sh#L144 /usr/bin/syncd.sh wait]]
+activate docker_image_ctl.j2
+docker_image_ctl.j2 -> container: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/files/build_templates/docker_image_ctl.j2#L577 /usr/local/bin/container wait syncd]]
+activate container
+container -> container: [[https://github.com/sonic-net/sonic-buildimage/blob/df4312f7ef4b8b808320be3df9c09c84b4a3e423/src/sonic-ctrmgrd/ctrmgr/container#L125 container.wait()]]
+docker_image_ctl.j2 <- container
+deactivate container
+syncd_common.sh <- docker_image_ctl.j2
+deactivate docker_image_ctl.j2
+syncd.sh <- syncd_common.sh
+deactivate syncd_common.sh
+syncd.service.j2 <- syncd.sh
+deactivate syncd.sh
+deactivate syncd.service.j2
+@enduml
diff --git a/doc/warm-reboot/img/syncd_going_up.svg b/doc/warm-reboot/img/syncd_going_up.svg
diff --git a/doc/warm-reboot/system-warmboot.md b/doc/warm-reboot/system-warmboot.md
@@ -25,6 +25,8 @@
   - kill syncd docker
 - stop database
 - use kexec to reboot, plus one extra kernel argument
+![Swss going down](img/swss_going_down.svg)
+![Syncd going down](img/syncd_going_down.svg)
 
 Plan to re-use fast-reboot script. Improve the fast-reboot to handle warm-reboot scenario, have a symbol link to warm-reboot. 
 The script detects the name, and call corresponding reboot.
@@ -60,6 +62,8 @@ Later if we improve the consistency ```SONIC_BOOT_TYPE=[fast|warm|cold]```, this
   - at the same time as swss docker. swss will not read teamd app db until it finishes the comparison logic.
 - start bgp docker
   - at the same time as swss docker. swss will not read bgp route table until it finishes the comparison logic.
+![Swss going up](img/swss_going_up.svg)
+![Syncd going up](img/syncd_going_up.svg)
 
 ## SAI expectations for warm recovery
 - Application sets profile value SAI_KEY_BOOT_TYPE to 1 to indicate WARM BOOT. (0: cold boot, 2: fast boot)