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Merged PR 3845699: [linkmgrd]: Introduce MUX cable linkmgrd
Linkmgrd monitors link status, mux status, and link state. Has the link becomes unhealthy, linkmgrd will trigger mux switchover on a standby ToR ensuring uninterrupted service to servers/blades. This PR is initial implementation of linkmgrd. Also, docker-mux container hold packages related to maintaining and managing mux cable. It currently runs linkmgrd binary that monitor and switches the mux if needed. This PR also introduces mux-container and starts linkmgrd as startup when build is configured with INCLUDE_MUX=y Edit: linkmgrd PR will follow. signed-off-by: Tamer Ahmed <tamer.ahmed@microsoft.com> Related work items: sonic-net#2315, #3146150
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{% from "dockers/dockerfile-macros.j2" import install_debian_packages, install_python_wheels, copy_files %} | ||
FROM docker-config-engine-buster | ||
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ARG docker_container_name | ||
RUN [ -f /etc/rsyslog.conf ] && sed -ri "s/%syslogtag%/$docker_container_name#%syslogtag%/;" /etc/rsyslog.conf | ||
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## Make apt-get non-interactive | ||
ENV DEBIAN_FRONTEND=noninteractive | ||
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RUN apt-get update && \ | ||
apt-get install -f -y \ | ||
libmnl0 | ||
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{% if docker_mux_debs.strip() -%} | ||
# Copy locally-built Debian package dependencies | ||
{{ copy_files("debs/", docker_mux_debs.split(' '), "/debs/") }} | ||
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# Install locally-built Debian packages and implicitly install their dependencies | ||
{{ install_debian_packages(docker_mux_debs.split(' ')) }} | ||
{%- endif %} | ||
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## Clean up | ||
RUN apt-get clean -y && \ | ||
apt-get autoclean -y && \ | ||
apt-get autoremove -y && \ | ||
rm -rf /debs | ||
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COPY ["docker-init.sh", "/usr/bin/"] | ||
COPY ["supervisord.conf", "/etc/supervisor/conf.d/"] | ||
COPY ["files/supervisor-proc-exit-listener", "/usr/bin"] | ||
COPY ["critical_processes", "/etc/supervisor/"] | ||
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## Copy all Jinja2 template files into the templates folder | ||
COPY ["*.j2", "/usr/share/sonic/templates/"] | ||
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ENTRYPOINT ["/usr/bin/docker-init.sh"] |
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program:linkmgrd |
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#!/usr/bin/env bash | ||
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# Generate supervisord config file | ||
mkdir -p /etc/supervisor/conf.d/ | ||
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# The docker container should start this script as PID 1, so now that supervisord is | ||
# properly configured, we exec supervisord so that it runs as PID 1 for the | ||
# duration of the container's lifetime | ||
exec /usr/local/bin/supervisord |
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[supervisord] | ||
logfile_maxbytes=1MB | ||
logfile_backups=2 | ||
nodaemon=true | ||
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[eventlistener:dependent-startup] | ||
command=python3 -m supervisord_dependent_startup | ||
autostart=true | ||
autorestart=unexpected | ||
startretries=0 | ||
exitcodes=0,3 | ||
events=PROCESS_STATE | ||
buffer_size=100 | ||
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[eventlistener:supervisor-proc-exit-listener] | ||
command=/usr/bin/supervisor-proc-exit-listener --container-name mux | ||
events=PROCESS_STATE_EXITED,PROCESS_STATE_RUNNING | ||
autostart=true | ||
autorestart=unexpected | ||
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[program:rsyslogd] | ||
command=/usr/sbin/rsyslogd -n -iNONE | ||
priority=1 | ||
autostart=false | ||
autorestart=unexpected | ||
stdout_logfile=syslog | ||
stderr_logfile=syslog | ||
dependent_startup=true | ||
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[program:linkmgrd] | ||
command=nice -n -20 /usr/sbin/linkmgrd -v warning | ||
priority=2 | ||
autostart=false | ||
autorestart=false | ||
startsecs=0 | ||
startretries=0 | ||
stdout_logfile=syslog | ||
stderr_logfile=syslog | ||
dependent_startup=true | ||
dependent_startup_wait_for=rsyslogd:running | ||
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[Unit] | ||
Description=MUX Cable Container | ||
Requires=database.service updategraph.service pmon.service swss.service | ||
After=pmon.service swss.service | ||
StartLimitIntervalSec=1200 | ||
StartLimitBurst=3 | ||
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[Service] | ||
User={{ sonicadmin_user }} | ||
ExecStartPre=/usr/bin/{{docker_container_name}}.sh start | ||
ExecStart=/usr/bin/{{docker_container_name}}.sh wait | ||
ExecStop=/usr/bin/{{docker_container_name}}.sh stop | ||
Restart=always | ||
RestartSec=30 | ||
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[Install] | ||
WantedBy=multi-user.target |
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DPATH := $($(DOCKER_MUX)_PATH) | ||
DEP_FILES := $(SONIC_COMMON_FILES_LIST) rules/docker-mux.mk rules/docker-mux.dep | ||
DEP_FILES += $(SONIC_COMMON_BASE_FILES_LIST) | ||
DEP_FILES += $(shell git ls-files $(DPATH)) | ||
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$(DOCKER_MUX)_CACHE_MODE := GIT_CONTENT_SHA | ||
$(DOCKER_MUX)_DEP_FLAGS := $(SONIC_COMMON_FLAGS_LIST) | ||
$(DOCKER_MUX)_DEP_FILES := $(DEP_FILES) | ||
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$(eval $(call add_dbg_docker,$(DOCKER_MUX),$(DOCKER_MUX_DBG))) | ||
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# Docker image for MUX | ||
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DOCKER_MUX_STEM = docker-mux | ||
DOCKER_MUX = $(DOCKER_MUX_STEM).gz | ||
DOCKER_MUX_DBG = $(DOCKER_MUX_STEM)-$(DBG_IMAGE_MARK).gz | ||
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$(DOCKER_MUX)_PATH = $(DOCKERS_PATH)/$(DOCKER_MUX_STEM) | ||
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$(DOCKER_MUX)_DEPENDS = $(SONIC_LINKMGRD) $(LIBSWSSCOMMON) $(LIBHIREDIS) | ||
$(DOCKER_MUX)_DBG_DEPENDS = $($(DOCKER_CONFIG_ENGINE_BUSTER)_DBG_DEPENDS) | ||
$(DOCKER_MUX)_DBG_DEPENDS += $(SONIC_LINKMGRD_DBG) $(LIBSWSSCOMMON_DBG) $(LIBHIREDIS_DBG) | ||
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$(DOCKER_MUX)_DBG_IMAGE_PACKAGES = $($(DOCKER_CONFIG_ENGINE_BUSTER)_DBG_IMAGE_PACKAGES) | ||
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$(DOCKER_MUX)_LOAD_DOCKERS = $(DOCKER_CONFIG_ENGINE_BUSTER) | ||
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ifeq ($(INCLUDE_MUX), y) | ||
SONIC_DOCKER_IMAGES += $(DOCKER_MUX) | ||
SONIC_INSTALL_DOCKER_IMAGES += $(DOCKER_MUX) | ||
endif | ||
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ifeq ($(INCLUDE_MUX), y) | ||
SONIC_DOCKER_DBG_IMAGES += $(DOCKER_MUX_DBG) | ||
SONIC_INSTALL_DOCKER_DBG_IMAGES += $(DOCKER_MUX_DBG) | ||
endif | ||
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$(DOCKER_MUX)_CONTAINER_NAME = mux | ||
$(DOCKER_MUX)_RUN_OPT += --privileged -t | ||
$(DOCKER_MUX)_RUN_OPT += -v /etc/sonic:/etc/sonic:ro | ||
$(DOCKER_ORCHAGENT)_RUN_OPT += -v /var/log/mux:/var/log/mux:rw | ||
$(DOCKER_MUX)_FILES += $(SUPERVISOR_PROC_EXIT_LISTENER_SCRIPT) | ||
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SPATH := $($(SONIC_LINKMGRD)_SRC_PATH) | ||
DEP_FILES := $(SONIC_COMMON_FILES_LIST) rules/linkmgrd.mk rules/linkmgrd.dep | ||
DEP_FILES += $(SONIC_COMMON_BASE_FILES_LIST) | ||
SMDEP_FILES := $(addprefix $(SPATH)/,$(shell cd $(SPATH) && git ls-files)) | ||
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$(SONIC_LINKMGRD)_CACHE_MODE := GIT_CONTENT_SHA | ||
$(SONIC_LINKMGRD)_DEP_FLAGS := $(SONIC_COMMON_FLAGS_LIST) | ||
$(SONIC_LINKMGRD)_DEP_FILES := $(DEP_FILES) | ||
$(SONIC_LINKMGRD)_SMDEP_FILES := $(SMDEP_FILES) | ||
$(SONIC_LINKMGRD)_SMDEP_PATHS := $(SPATH) |
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# SONiC LINK ManaGeR Daemon package | ||
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SONIC_LINKMGRD_VERSION = 1.0.0-1 | ||
SONIC_LINKMGRD_PKG_NAME = linkmgrd | ||
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export SONIC_LINKMGRD_VERSION SONIC_LINKMGRD_PKG_NAME | ||
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SONIC_LINKMGRD = sonic-$(SONIC_LINKMGRD_PKG_NAME)_$(SONIC_LINKMGRD_VERSION)_$(CONFIGURED_ARCH).deb | ||
$(SONIC_LINKMGRD)_SRC_PATH = $(SRC_PATH)/$(SONIC_LINKMGRD_PKG_NAME) | ||
$(SONIC_LINKMGRD)_DEPENDS = $(LIBSWSSCOMMON_DEV) $(LIBSWSSCOMMON) $(LIBHIREDIS_DEV) $(LIBHIREDIS) | ||
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SONIC_DPKG_DEBS += $(SONIC_LINKMGRD) | ||
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SONIC_LINKMGRD_DBG = sonic-$(SONIC_LINKMGRD_PKG_NAME)-dbgsym_$(SONIC_LINKMGRD_VERSION)_$(CONFIGURED_ARCH).deb | ||
$(SONIC_LINKMGRD)_DBG_DEPENDS = $(LIBSWSSCOMMON_DEV) $(LIBSWSSCOMMON_DBG) $(LIBHIREDIS_DEV) $(LIBHIREDIS_DBG) | ||
$(eval $(call add_derived_package,$(SONIC_LINKMGRD),$(SONIC_LINKMGRD_DBG))) | ||
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export SONIC_LINKMGRD SONIC_LINKMGRD_DBG |
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