-include conf.mk
+# see README
+# conf.mk is expected to define
+# HOST_<id> and IP_<id> for all nodes involved, as well as
+# LINKS as a list of <node_id>-<node_id> elements
-# proj1(x@y) = x
-proj1=$(word 1,$(subst @, ,$(1)))
+# should work with any shell, but we have only tested bash
+SHELL=/bin/bash
-# proj2(x@y) = y
-proj2=$(word 2,$(subst @, ,$(1)))
+.DELETE_ON_ERROR:
-# get(x-y@1) = x
-# get(x-y@2) = y
-get=$(word $(call proj2,$(1)),$(subst -, ,$(call proj1,$(1))))
+# run make CONF=anotherconfig.mk if you need several configs
+
+CONF ?= conf.mk
+include $(CONF)
+# if undefined in the conf file, use single dash
+SEP?=-
+
+# bridge name (XXX the same on all nodes)
+BRIDGE?=$(SLICE)
+
+### helper functions
# flip(1) = 2
# flip(2) = 1
flip=$(if $(findstring 1,$(1)),2,1)
-
+# cutsep (x-y)-> x y
+cutsep=$(subst $(SEP), ,$(1))
+# leftnode (x-y) -> x
+leftnode=$(word 1,$(call cutsep,$(1)))
+# rightnode (x-y) -> y
+rightnode=$(word 2,$(call cutsep,$(1)))
+# linkpart(x@y) = x
+linkpart=$(word 1,$(subst @, ,$(1)))
+# endpart(x@y) = y
+endpart=$(word 2,$(subst @, ,$(1)))
+# get(x-y@1) = x
+# get(x-y@2) = y
+get=$(word $(call endpart,$(1)),$(call cutsep,$(call linkpart,$(1))))
# opp(x-y@1) = x-y@2
# opp(x-y@2) = x-y@1
-opp=$(call proj1,$(1))@$(call flip,$(call proj2,$(1)))
-
+opp=$(call linkpart,$(1))@$(call flip,$(call endpart,$(1)))
# rget(x-y@1) = y
# rget(x-y@2) = x
rget=$(call get,$(call opp,$(1)))
-
+###
+default=$(if $($(1)_$(2)),$($(1)_$(2)),$($(1)))
solve=$(HOST_$(1))
+solve_ip=$(IP_$(1))
# can be redefined in conf.mk if that's not the expected behaviour
display?=host $(1) aka $(call solve,$(1))
+# log file name
+log=$(addprefix log/,$(notdir $(1)))
+
#################### set variables after conf.mk
ifeq "$(SSH_KEY)" ""
SSH_KEY_OPTION ?=
SSH_KEY_OPTION ?= -i $(SSH_KEY)
endif
-SSH_OPTIONS ?= $(SSH_KEY_OPTION) -l $(SLICE) -t
+SSH_OPTIONS ?= $(SSH_KEY_OPTION) -l $(SLICE)
SSH = ssh $(SSH_OPTIONS)
-ALL_NODE_IDS=$(shell (cut -d- -f1 < links; cut -d- -f2 < links) | sort -u)
+SUDO ?= sudo -S
+
+ALL_NODE_IDS=$(sort $(foreach link,$(LINKS),$(call leftnode,$(link))) $(foreach link,$(LINKS),$(call rightnode,$(link))))
+ALL_NODE_HOSTS=$(foreach id,$(ALL_NODE_IDS),$(call solve,$(id)))
+ALL_LINK_IDS=$(addsuffix @1,$(LINKS)) $(addsuffix @2,$(LINKS))
+CONF_NODE_IDS=$(subst HOST_,,$(filter HOST_%,$(.VARIABLES)))
####################
-all+init: init all
+init_all: init all
init:
@[ -d L ] || ( echo Creating tmp dir L; mkdir L)
- @[ -d U ] || ( echo Creating tmp dir U; mkdir U)
+ @[ -d log ] || (echo Creating tmp dir log; mkdir log)
@[ -d cache ] || ( echo Creating tmp dir cache; mkdir cache)
-.PHONY: all+init init
+.PHONY: init_all init
FORCE:
.SECONDARY:
-all: $(addprefix L/,$(shell cat links))
+LINKTARGETS=$(addprefix L/,$(LINKS))
+all: $(LINKTARGETS)
.PHONY: all
-nodes:
- @echo $(foreach id,$(ALL_NODE_IDS),$(call display,$(id)))
-.PHONY: nodes
-
-sshchecks: $(foreach id,$(ALL_NODE_IDS),cache/sshcheck.$(id))
+# could also do make ++SLICE
+showslice: ++SLICE FORCE
+
+shownodes:
+ @$(foreach id,$(ALL_NODE_IDS),echo $(id)=$(call display,$(id));)
+showhostnames: ++ALL_NODE_HOSTS
+# xxx missing: something that outputs raw python stuff like
+# SEND_IP="10.0.16.1"
+# that would belong in the export to OF
+showips:
+ @$(foreach id,$(ALL_NODE_IDS),echo $(id)=$(call display,$(id)) has ip/network set to $(IP_$(id));)
+showlinks:
+ @$(foreach link,$(LINKS), echo $(call display,$(call leftnode,$(link))) '====>' $(call display,$(call rightnode,$(link)));)
+showcontrollers:
+ @$(foreach id,$(ALL_NODE_IDS), echo $(call display,$(id)) has controller $(call default,CONTROLLER,$(id));)
+.PHONY: shownodes showhostnames showips showlinks showcontrollers
+
+sshchecks: $(foreach id,$(ALL_NODE_IDS),sshcheck-$(id))
.PHONY: sshchecks
-
-dbs: $(foreach id,$(ALL_NODE_IDS),cache/db.$(id))
+ovsversions: $(foreach id,$(ALL_NODE_IDS),ovsversion-$(id))
+.PHONY: ovsversions
+# more general form; run with make sshs SSH-COMMAND="bla bla bla"
+sshs: $(foreach id,$(ALL_NODE_IDS),ssh-$(id))
+.PHONY: sshs
+showdpids: $(foreach id,$(ALL_NODE_IDS),showdpid-$(id))
+.PHONY: showdpids
+showmacs: $(foreach id,$(ALL_NODE_IDS),showmac-$(id))
+.PHONY: showmacs
+showports: $(foreach id,$(ALL_NODE_IDS),showports-$(id))
+.PHONY: showports
+
+DBS=$(foreach id,$(ALL_NODE_IDS),cache/db.$(id))
+dbs: $(DBS)
.PHONY: dbs
-switchds: $(foreach id,$(ALL_NODE_IDS),cache/switchd.$(id))
-.PHONY: switchds
+SWITCHS=$(foreach id,$(ALL_NODE_IDS),cache/switch.$(id))
+switchs: $(SWITCHS)
+.PHONY: switchs
+
+start: dbs switchs
+.PHONY: start
+
+stop:$(foreach id,$(ALL_NODE_IDS),cache/stop.$(id))
+.PHONY: stop
+
+status:$(foreach id,$(ALL_NODE_IDS),cache/status.$(id))
+.PHONY: status
+
+BRIDGES=$(foreach id,$(ALL_NODE_IDS),cache/bridge.$(id))
+bridges: $(BRIDGES)
+.PHONY: bridges
+
+CONTROLLERS=$(foreach id,$(ALL_NODE_IDS),cache/controller.$(id))
+controllers: $(CONTROLLERS)
+.PHONY: controllers
+
+del-controllers: $(foreach id,$(ALL_NODE_IDS),del-controller-$(id))
+.PHONY: del-controllers
### node-oriented targets
+# check ssh connectivity
+sshcheck-%: FORCE
+ @if $(SSH) $(HOST_$*) hostname > /dev/null 2>&1; then echo "ssh on" $(call display,$*) "OK" ; \
+ else echo "ssh on" $(call display,$*) "KO !!!"; fi
+
+ovsversion-%: FORCE
+ @OVSVERSION=$$($(SSH) $(HOST_$*) rpm -q sliver-openvswitch); echo $(call display,$*) has $$OVSVERSION
+
+ssh-%: FORCE
+ @$(SSH) $(HOST_$*) $(SUDO) $(SSH-COMMAND)
+
+showdpid-%: FORCE
+ @echo $*_DPID=0x$$( $(SSH) $(HOST_$*) $(SUDO) ovs-vsctl get bridge $(BRIDGE) datapath_id | sed -e 's,",,g')
+
+showmac-%: FORCE
+ @echo $*_MAC=\"$$( $(SSH) $(HOST_$*) $(SUDO) sliver-ovs get-mac $(BRIDGE))\"
+
+showports-%: FORCE
+ @$(SSH) $(HOST_$*) $(SUDO) ovs-ofctl show $(BRIDGE) \
+ | perl -nle '/(\d+)\(L(.*?)\Q$(SEP)\E(.*?)\):/ && \
+ print "PORT_".("$$2" eq "$*" ? "$$2_$$3" : "$$3_$$2")."=$$1"'
+# should probably replace sshcheck
+cache/status.%: FORCE
+ @echo "=== DB and SWITCH processes on $(call display,$*)"
+ @$(SSH) $(HOST_$*) $(SUDO) sliver-ovs status ||:
+
cache/host.%:
- @echo "IP lookup for $(call display,$*)"
- @host $(HOST_$*) | sed -n 's/^.*has address *//p' > $@
+ @echo "IP lookup for $(call display,$*) - logs in $(call log,$@)"
+ @host $(HOST_$*) | sed -n 's/^.*has address *//p' > $@ 2> $(call log,$@)
cache/db.%:
-<<<<<<< HEAD
- @echo "Starting db server on $(call display,$*)"
- @$(SSH) $(HOST_$*) sudo start_ovsdb-server > $@ \
- || { rm $@; exit 1; }
-
-cache/switchd.%: cache/db.%
- @echo "Starting vswitchd on $(call display,$*)"
- @$(SSH) $(HOST_$*) sudo start_vswitchd > $@ \
- || { rm $@; exit 1; }
-
-cache/bridge.%: cache/switchd.%
- @echo "Creating bridge on $(call display,$*)"
- @$(SSH) $(HOST_$*) sudo create_bridge $(IP_$*) > $@ \
- || { rm $@; exit 1; }
-
-cache/sshcheck.%: FORCE
- @if $(SSH) $(HOST_$*) hostname 2> /dev/null; then echo "ssh on" $(call display,$*) "OK" ; \
- else echo "ssh on" $(call display,$*) "KO !!!"; fi
+ @echo "Starting db server on $(call display,$*) - logs in $(call log,$@)"
+ @$(SSH) $(HOST_$*) $(SUDO) sliver-ovs start-db > $(call log,$@) 2>&1
+ @touch $@
+
+cache/switch.%: | cache/db.%
+ @echo "Starting vswitchd on $(call display,$*) - logs in $(call log,$@)"
+ @$(SSH) $(HOST_$*) $(SUDO) sliver-ovs start-switch > $(call log,$@) 2>&1
+ @touch $@
+
+cache/bridge.%: | cache/db.%
+ @echo "Creating bridge on $(call display,$*) - logs in $(call log,$@)"
+ @$(SSH) $(HOST_$*) $(SUDO) \
+ sliver-ovs create-bridge $(BRIDGE) $(IP_$*) $(call default,BROPTIONS,$*) > $(call log,$@) 2>&1
+ @{ echo "IP_$*=$(IP_$*)"; echo "BROPTIONS_$*=$(call default,BROPTIONS,$*)"; } > $@
+
+cache/controller.%: cache/bridge.%
+ @echo "Setting controller $(call default,CONTROLLER,$*) on $(call display,$*) - logs in $(call log,$@)"
+ @$(SSH) $(HOST_$*) $(SUDO) ovs-vsctl set-controller $(BRIDGE) $(call default,CONTROLLER,$*) > $(call log,$@) 2>&1
+ @echo "CONTROLLER_$*=$(call default,CONTROLLER,$*)" > $@
+
+# xxx this probably needs a more thorough cleanup in cache/
+cache/stop.%: del-bridge.%
+ @echo "Stopping switch & db on $(call display,$*)"
+ @$(SSH) $(HOST_$*) $(SUDO) sliver-ovs stop && rm cache/switch.$* cache/db.$*
### link-oriented targets
-L/%: cache/link.%@1 cache/link.%@2
+# L/<nodeid1>-<node_id2>:
+# Establish a link between nodes <node_id1> and <node_id2>
+L/%: cache/endpoint.%@1 cache/endpoint.%@2
@touch $@
- @echo "Created link $*"
+ @echo "Link $* is up"
+# U/<node_id1>-<node_id2>
+# Tear down the link between nodes <node_id1> and <node_id2>
U/%: del-iface.%@1 del-iface.%@2
@rm -f L/$*
@echo "Deleted link $*"
-del-bridge.%: cache/db.%
+# del-bridge.<node_id>: Delete the bridge on node <node_id>.
+#
+# We can do this only if the db on node <node_id> is running, but
+# we don't need to re-delete if the db is restarted (hence the
+# order-only dependency).
+#
+# Deleting a bridge also deletes all interfaces of the bridge
+# as a side effect. This in turn invalidates local tunnel
+# port numbers and endpoint info on both sides of each affected tunnel.
+# The corresponding links obviously go down.
+# Controller information is also lost.
+# We invalidate the cache accordingly.
+del-bridge.%: | cache/db.%
@echo "Deleting bridge on $(call display,$*)"
- @if [ -f cache/bridge.$* ]; then \
- $(SSH) $(HOST_$*) sudo del_bridge $$(cat cache/bridge.$*);\
- fi
+ @$(SSH) $(HOST_$*) $(SUDO) sliver-ovs del-bridge $(BRIDGE)
@rm -f cache/bridge.$* \
- cache/iface.$*-*@1 cache/iface.*-$*@2 \
- cache/link.$*-*@? cache/link.*-$*@? \
- L/$*-* L/*-$*
-
-del-switchd.%: del-bridge.%
- @echo "Shutting down switchd on $(call display,$*)"
- @if [ -f cache/switchd.$* ]; then \
- $(SSH) $(HOST_$*) sudo ovs-appctl exit;\
- fi
- @rm -f cache/switchd.$*
-
+ cache/iface.$*$(SEP)*@1 cache/iface.*$(SEP)$*@2 \
+ cache/port.$*$(SEP)*@1 cache/port.*$(SEP)$*@2 \
+ cache/endpoint.$*$(SEP)*@? cache/endpoint.*$(SEP)$*@? \
+ L/$*$(SEP)* L/*$(SEP)$* \
+ cache/controller.$*
+
+# del-switch.<node_id>: Stops the switch daemon on <node_id>.
+#
+# As a side effect, the local port numbers of the tunnels
+# are no longer valid (they will change when the daemon is restarted)
+# and, therefore, the endpoint info on the remote side of
+# the tunnels must be invalidated. The links also go down.
+# Controller information is also lost.
+# We invalidate the cache accordingly.
+del-switch.%:
+ @echo "Shutting down switch on $(call display,$*)"
+ @$(SSH) $(HOST_$*) $(SUDO) sliver-ovs stop-switch
+ @rm -f cache/switch.$* \
+ cache/port.$*$(SEP)*@1 cache/port.*$(SEP)$*@2 \
+ cache/endpoint.$*$(SEP)*@2 cache/endpoint.*$(SEP)$*@1 \
+ L/$*$(SEP)* L/*$(SEP)$* \
+ cache/controller.$*
+
+# del-db.<node_id>: Stops the db daemon on <node_id>.
+#
+# This has no additional side effects.
del-db.%:
@echo "Shutting down db on $(call display,$*)"
- @if [ -f cache/db.$* ]; then \
- $(SSH) $(HOST_$*) sudo ovs-appctl --target=$(VARRUN)/ovsdb-server.$$(cat cache/db.$*).ctl exit;\
- fi
+ @$(SSH) $(HOST_$*) $(SUDO) sliver-ovs stop-db
@rm -f cache/db.$*
+# del-controller.<node_id>:
+# Detaches <node_id> from the controller.
+#
+# This has no additional side effects.
+del-controller-%: | cache/db.%
+ @echo "Removing controller for $(call display,$*)"
+ @$(SSH) $(HOST_$*) $(SUDO) sliver-ovs del-controller $(BRIDGE)
+ @rm -f cache/controller.$*
+
+# del-links: Shortcut to delete all currently up links.
del-links: $(addprefix U/,$(notdir $(wildcard L/*)))
-del-switchds: $(addprefix del-,$(notdir $(wildcard cache/switchd.*)))
+# del-switchs: Shortcut to stop all currently running switch daemons.
+del-switchs: $(addprefix del-,$(notdir $(wildcard cache/switch.*)))
+# del-dbs: Shortcut to stop all currently running db daemona.s
del-dbs: $(addprefix del-,$(notdir $(wildcard cache/db.*)))
-shutdown: del-switches del-dbs
+# shutdown: Shortcut to stop all currently running daemons.
+shutdown: del-switchs del-dbs
-.PHONY: del-links del-switchds del-dbs shutdown
+.PHONY: del-links del-switchs del-dbs shutdown
-####################
-graph.dot:
- ( echo "digraph $(SLICE) {"; ls L | sed 's/-/->/;s/$$/;/'; echo "}" ) > $@
-graph.ps: graph.dot
- dot -Tps < $^ > $@
-####################
-clean: $(addprefix del-,$(notdir $(wildcard cache/bridge.*)))
-distclean:
- rm -rf L U cache
+### snapshots
+snapshot:
+ @echo BRIDGE=$(BRIDGE)
+ @cat cache/bridge.* 2>/dev/null || :
+ @cat cache/controller.* 2>/dev/null || :
+ @ls L | sed 's/^/LINKS += /'
-.PHONY: clean distclean
+remote-snapshot: remote-snapshot-ips remote-snapshot-links
+ @true
+
+remote-snapshot-ips: $(addprefix cache/rsnap.ip.,$(CONF_NODE_IDS))
+ @cat /dev/null $^
+
+remote-snapshot-links: $(addprefix cache/rsnap.links.,$(CONF_NODE_IDS))
+ @sort -u /dev/null $^
+
+.PHONY: remote-snapshot remote-snapshot-ips remote-snapshot-links
+
+
+cache/rsnap.ip.%: FORCE
+ @$(SSH) $(HOST_$*) $(SUDO) \
+ sliver-ovs get-local-ip $(BRIDGE) | sed 's/^/IP_$*=/' > $@
+
+cache/rsnap.links.%: FORCE
+ @$(SSH) $(HOST_$*) $(SUDO) \
+ sliver-ovs get-local-links $(BRIDGE) | sed -n 's/^L/LINKS += /p' > $@
+
+### update sliver-ovs
+update: $(addprefix update-,$(CONF_NODE_IDS))
+ @true
+
+update-%: FORCE
+ @[ -n "$(SLIVER_OVS)" ] || { echo "SLIVER_OVS not set" >&2; exit 1; }
+ @[ -f "$(SLIVER_OVS)" ] || { echo "$(SLIVER_OVS) not found" >&2; exit 1; }
+ @echo "Sending $(SLIVER_OVS) to $(call display,$*)"
+ @scp $(SSH_KEY_OPTION) -q $(SLIVER_OVS) $(SLICE)@$(call solve,$*):
+ @$(SSH) $(call solve,$*) $(SUDO) mv $(notdir $(SLIVER_OVS)) /usr/sbin/sliver-ovs
.SECONDEXPANSION:
-del-iface.%: cache/db.$$(call get,%)
- @echo "Removing interface for link $(call proj1,$*) from $(call get,$*)"
+# del-iface.<node_id>-<node_id>@<endpoint>:
+# Deletes the interface of link <node_id1>-<node_id2> on either
+# <node_id1> or <node_id2>, according to <endpoint>.
+#
+# We need a running db daemon to do this, but we do not have to
+# redo the delete if the db daemon is restarted.
+#
+# This also invalidates the local port of the tunnel and the endpoint
+# info on both sides of the tunnel. The link goes down.
+del-iface.%: | cache/db.$$(call get,%)
+ @echo "Removing interface for link $(call linkpart,$*) from $(call get,$*)"
@$(SSH) $(HOST_$(call get,$*)) \
- sudo del_port L$(call proj1,$*)
- @rm -f cache/iface.$* cache/link.$* cache/link.$(call opp,$*)
+ $(SUDO) sliver-ovs del-port L$(call linkpart,$*)
+ @rm -f cache/iface.$* \
+ cache/port.$* cache/endpoint.$* cache/endpoint.$(call opp,$*) \
+ L/$(call linkpart,$*)
+
+
+### '%' here is leftid-rightid@{1,2}
+# we retrieve % as $(*F)
+#linkid=$(call linkpart,%)
+#nodeid=$(call get,%)
+#bridgefile=cache/bridge.$(nodeid)
+
+# cache/iface.<node_id1>-<node_id2>@<endpoint>:
+# Creates the interface for link <node_id1>-<node_id2> on
+# <node_id<endpoint>>.
+#
+# The bridge of the local node must already exist, and we need to create
+# the interface again if the bridge is re-created.
+# We also need a running db daemon, but we do not need to do anything
+# if the db daemon is restarted.
+cache/iface.%: cache/bridge.$$(call get,%) | cache/db.$$(call get,%)
+ @echo "Creating interface for link $(call linkpart,$(*F)) on $(call display,$(call get,$(*F))) - logs in $(call log,$@)"
+ @$(SSH) $(call solve,$(call get,$(*F))) $(SUDO) sliver-ovs create-port $(BRIDGE) \
+ L$(call linkpart,$(*F)) > $(call log,$@) 2>&1
+ @touch $@
+# cache/port.<node_id1>-<node_id2>@<endpoint>:
+# Retrieves the local port of link <node_id1>-<node_id2> on
+# node <node_id<endpoint>>.
+#
+# The local interface must have been created already and the
+# switch daemon must be running. We need to retrieve the port
+# number again if the interface is re-created, or the switch
+# daemon is restarted.
+cache/port.%: cache/iface.% cache/switch.$$(call get,%)
+ @echo "Getting port number for link $(call linkpart,$(*F)) on $(call display,$(call get,$(*F))) - logs in $(call log,$@)"
+ @$(SSH) $(call solve,$(call get,$(*F))) $(SUDO) \
+ sliver-ovs get-local-endpoint L$(call linkpart,$(*F)) > $@ 2> $(call log,$@)
+
+
+# linkid=$(call linkpart,%)
+# nodeid=$(call get,%)
+# iface1=cache/iface.%
+# iface2=cache/iface.$(call opp,%)
+
+# cache/endpoint.<node_id1>-<node_id2>@<endpoint>:
+# Sets the other side (IP address, UDP port) info for link <node_id1>-<node_id2>
+# on <node_id<endpoint>>.
+#
+# We need the IP address and the UDP port of the other side and the interace of this side.
+# We need to set the info again if any of these change.
+cache/endpoint.%: cache/host.$$(call rget,%) cache/port.$$(call opp,%) cache/iface.% | cache/db.$$(call get,%)
+ @echo "Setting port number of link $(call linkpart,$(*F)) on $(call display,$(call get,$(*F))) - logs in $(call log,$@)"
+ @$(SSH) $(call solve,$(call get,$(*F))) $(SUDO) sliver-ovs set-remote-endpoint L$(call linkpart,$(*F)) \
+ $$(cat cache/host.$(call rget,$(*F))) \
+ $$(cat cache/port.$(call opp,$(*F))) 2> $(call log,$@)
+ @touch $@
-cache/iface.%: cache/bridge.$$(call get,%)
- @echo "Creating interface for link $(call proj1,$*) on $(call get,$*)"
- @$(SSH) $(HOST_$(call get,$*)) \
- sudo create_port $$(cat $^) L$(call proj1,$*) > $@ \
- || { rm $@; exit 1; }
+######################
+# testing
+######################
-cache/link.%: cache/host.$$(call rget,$$*) cache/iface.% cache/iface.$$(call opp,$$*)
- @echo "Setting port number of link $(call proj1,$*) on $(call get,$*)"
- @$(SSH) $(HOST_$(call get,$*)) \
- sudo ovs-vsctl set interface L$(call proj1,$*) \
- options:remote_ip=$$(cat cache/host.$(call rget,$*)) \
- options:remote_port=$$(cat cache/iface.$(call opp,$*)) \
- && touch $@
+test: $(foreach l,$(LINKS),test-$(l))
+
+test-%: ping-% ping-$$(call get,$$*@2)$(SEP)$$(call get,$$*@1)
+ @true
+
+ping-%: FORCE
+ @echo "Testing connectivity $(call get,$*@1) ===> $(call get,$*@2) - logs in $(call log,$@)"
+ @$(SSH) $(call solve,$(call get,$*@1)) ping -c 1 $(call solve_ip_addr,$(call get,$*@2)) > $(call log,$@) 2>&1
+ @echo "Connectivity $(call get,$*@1) ===> $(call get,$*@2) OK"
+
+####################
+CLEANTARGETS=$(addprefix del-,$(notdir $(wildcard cache/bridge.*)))
+clean: $(CLEANTARGETS)
+distclean:
+ rm -rf L log cache
+.PHONY: clean distclean
+
+####################
+graph.dot:
+ ( echo "digraph $(SLICE) {"; ls L | sed 's/$(SEP)/->/;s/$$/;/'; echo "}" ) > $@
+graph.ps: graph.dot
+ dot -Tps < $^ > $@
+
+####################
+# googlemap stuff
+# Uses:
+# GMAP_SERVER, the hostname that runs an ndnmap instance
+# GMAP_PROBES, a list of tuples of the form
+# <linkid>=<nodeid>=<internal_linkid>=<frequency>
+# e.g.
+# SENDER-MUX=SENDER=3=0.5
+# which would mean, the link 'SENDER-MUX' should be monitored at the 'SENDER' node and is coded
+# in links.json with id=3, every half second
+# sliver-ovs gmap-probe is designed to run in background,
+# and so that a new run will kill any previously running instance
+gprobes: $(foreach probe,$(GMAP_PROBES),gprobe-$(probe))
+
+gprobe-%: FORCE
+ $(SSH) -n $(call solve,$(word 2,$(subst @, ,$(*F)))) $(SUDO) \
+ sliver-ovs gmap-probe L$(word 1,$(subst @, ,$(*F))) $(GMAP_SERVER) $(word 3,$(subst @, ,$(*F))) $(word 4,$(subst @, ,$(*F)))
+
+jsons: routers.json links.json geocode.json
+.PHONE: jsons
+
+routers.json: $(CONF)
+ @{ echo "["; \
+ sep=" "; \
+ for n in $(CONF_NODE_IDS); do \
+ echo " $$sep\"$$n\""; \
+ sep=", "; \
+ done; \
+ echo "]"; \
+ } > $@
+
+links.json: $(foreach l,$(LINKS),cache/json.$(l))
+ @{ echo "["; \
+ cat $^ | sed '2,$$s/^/, /'; \
+ echo "]"; \
+ } > $@
+
+cache/json.%: $(CONF)
+ @echo "{\"id\": $($*_linkid), \"start\": \"$(call get,$*@1)\", \"end\": \"$(call get,$*@2)\"}" > $@
+
+geocode.json: $(foreach n,$(CONF_NODE_IDS),cache/geocode.$(n))
+ @{ echo "{"; \
+ sep=" "; \
+ for f in $^; do \
+ echo -n "$$sep"; \
+ cat $$f; \
+ sep=", "; \
+ done; \
+ echo "}"; \
+ } > $@
+
+cache/geocode.%: cache/loc.% $(CONF)
+ @{ echo "\"$*\": {"; \
+ echo " \"name\": \"$(HOST_$*)\","; \
+ echo " \"shortname\": \"$*\","; \
+ echo " \"site\": \"\","; \
+ echo " \"backbone\": false,"; \
+ echo " \"position\": [ $(shell cat cache/loc.$*) ]"; \
+ echo " }"; \
+ } > $@
+
+cache/loc.%: $(CONF)
+ @wget -O - 'http://freegeoip.net/csv/$(HOST_$*)' | \
+ awk -F'", *"' '{ printf "\"%s\", \"%s\"\n", $$8, $$9 }' > $@
+
+####################
+# 'virtual' targets in that there's no real file attached
+define node_shortcuts
+sshcheck.$(1): sshcheck-$(1) FORCE
+db.$(1): cache/db.$(1) FORCE
+switch.$(1): cache/switch.$(1) FORCE
+start.$(1): cache/start.$(1) FORCE
+stop.$(1): cache/stop.$(1) FORCE
+status.$(1): cache/status.$(1) FORCE
+bridge.$(1): cache/bridge.$(1) FORCE
+host.$(1): cache/host.$(1) FORCE
+controller.$(1): cache/controller.$(1) FORCE
+# switch already depends on db, but well
+cache/start.$(1): cache/db.$(1) cache/switch.$(1) FORCE
+endef
+
+$(foreach id,$(ALL_NODE_IDS), $(eval $(call node_shortcuts,$(id))))
+
+define link_shortcuts
+iface.%: cache/iface.%
+endpoint.%: cache/endpoint.%
+endef
+
+$(foreach id,$(ALL_LINK_IDS), $(eval $(call link_shortcuts,$(id))))
+
+help:
+ @cat Makefile.help
#################### convenience, for debugging only
# make +foo : prints the value of $(foo)
+%: varname=$(subst +,,$@)
+%:
@echo "$($(varname))"
+
+# external nodes and links
+#
+ALL_LINKS := $(LINKS) $(patsubst L/%,%,$(filter L/%,$(MAKECMDGOALS)))
+EXTERNAL_LINKS := $(filter $(foreach host,$(EXTERNAL_HOSTS),%-$(host)),$(ALL_LINKS))
+
+$(foreach host,$(EXTERNAL_HOSTS),sshcheck-$(host)): ;
+$(foreach host,$(EXTERNAL_HOSTS),ovsversion-$(host)): ;
+$(foreach host,$(EXTERNAL_HOSTS),showdpid-$(host)): ;
+$(foreach host,$(EXTERNAL_HOSTS),showmac-$(host)): ;
+$(foreach host,$(EXTERNAL_HOSTS),showports-$(host)): ;
+$(foreach host,$(EXTERNAL_HOSTS),update-$(host)): ;
+$(foreach host,$(EXTERNAL_HOSTS),del-controller-$(host)): ;
+$(foreach host,$(EXTERNAL_HOSTS),cache/status.$(host)): ;
+$(foreach host,$(EXTERNAL_HOSTS),cache/controller.$(host)): ;
+
+$(foreach host,$(EXTERNAL_HOSTS),cache/rsnap.ip.$(host)): ;
+ @touch $@
+
+$(foreach host,$(EXTERNAL_HOSTS),cache/rsnap.links.$(host)): ;
+ @touch $@
+
+$(foreach host,$(EXTERNAL_HOSTS),cache/db.$(host)):
+ @touch $@
+
+$(foreach host,$(EXTERNAL_HOSTS),del-db.$(host)): del-db.%:
+ @rm cache/db.$*
+
+$(foreach host,$(EXTERNAL_HOSTS),cache/switch.$(host)): ;
+ @touch $@
+
+$(foreach host,$(EXTERNAL_HOSTS),del-switch.$(host)): del-switch.%:
+ @rm -f cache/switch.$* \
+ cache/port.$*$(SEP)*@1 cache/port.*$(SEP)$*@2 \
+ cache/endpoint.$*$(SEP)*@2 cache/endpoint.*$(SEP)$*@1 \
+ L/$*$(SEP)* L/*$(SEP)$* \
+ cache/controller.$*
+
+.SECONDEXPANSION:
+
+$(foreach host,$(EXTERNAL_HOSTS),cache/bridge.$(host)): cache/bridge.%: | cache/db.%
+ @echo "Creating fake bridge on external host $(call display,$*)"
+ @touch $@
+
+$(foreach link,$(EXTERNAL_LINKS),cache/iface.$(link)@2): cache/iface.%: cache/bridge.$$(call get,%) | cache/db.$$(call get,%)
+ @echo "Creating fake interface for link $(call linkpart,$*) on external host $(call get,$*)"
+ @touch $@
+
+$(foreach link,$(EXTERNAL_LINKS),cache/port.$(link)@2): cache/port.%: cache/iface.% cache/switch.$$(call get,%)
+ @echo "Getting port number for link $(call linkpart,$(*F)) on external host $(call display,$(call get,$(*F)))"
+ @echo $(call default,EXTERNAL_PORT,$(call rightnode,$*)) > $@
+
+
+$(foreach link,$(EXTERNAL_LINKS),del-iface.$(link)@2): del-iface.%: | cache/db.$$(call get,%)
+ @echo "Removing fake interface for link $(call linkpart,$*) from external host $(call get,$*)"
+ @rm -f cache/iface.$* \
+ cache/port.$* cache/endpoint.$* cache/endpoint.$(call opp,$*) \
+ L/$(call linkpart,$*)
+
+$(foreach host,$(EXTERNAL_HOSTS),del-bridge.$(host)): del-bridge.%: | cache/db.%
+ @echo "Deleting fake bridge on external host $(call display,$*)"
+ @rm -f cache/bridge.$* \
+ cache/iface.$*$(SEP)*@1 cache/iface.*$(SEP)$*@2 \
+ cache/port.$*$(SEP)*@1 cache/port.*$(SEP)$*@2 \
+ cache/endpoint.$*$(SEP)*@? cache/endpoint.*$(SEP)$*@? \
+ L/$*$(SEP)* L/*$(SEP)$* \
+ cache/controller.$*
+
+$(foreach link,$(EXTERNAL_LINKS),ping-$(call get,$(link)@2)$(SEP)$(call get,$(link)@1)): ping-%: FORCE
+ @echo "Test from external host $(call get,$*@1) to $(call get,$*@2) skipped"
+
+# we assume that a program called tunproxy is available on the
+# external nodes.
+$(foreach link,$(EXTERNAL_LINKS),cache/endpoint.$(link)@2): cache/endpoint.%@2: cache/port.%@1 cache/host.$$(call leftnode,%)
+ @#echo $* [$<] [$^] $(call rightnode,$*)
+ @echo "===>" $(call rightnode,$*): \
+ ./tunproxy -t $$(cat cache/host.$(call leftnode,$*)):$$(cat cache/port.$*@1) \
+ -p $(call default,EXTERNAL_PORT,$(call rightnode,$*)) -e -d
+
+# reporting
+.PHONY: report
+report:
+ @echo SHELL=$(SHELL)
+ @echo "===> Configuration ($(CONF)):"
+ @cat $(CONF)
+ @for f in log/*; do \
+ echo "===> Log file $$(basename $$f):"; \
+ cat $$f; \
+ done