-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 @, ,$(1)))
+# run make CONF=anotherconfig.mk if you need several configs
-# proj2(x@y) = y
-proj2=$(word 2,$(subst @, ,$(1)))
+CONF ?= conf.mk
+include $(CONF)
-# get(x-y@1) = x
-# get(x-y@2) = y
-get=$(word $(call proj2,$(1)),$(subst -, ,$(call proj1,$(1))))
+# if undefined in the conf file, use single dash
+SEP?=-
+# bridge name (XXX the same on all nodes)
+BRIDGE?=$(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_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,$(id));)
+showhostnames: ++ALL_NODE_HOSTS
+showips:
+ @$(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
+ovsversions: $(foreach id,$(ALL_NODE_IDS),ovsversion-$(id))
+.PHONY: ovsversions
-dbs: $(foreach id,$(ALL_NODE_IDS),cache/db.$(id))
+DBS=$(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; 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
+
+# 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' > $@
cache/db.%:
- @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 &> $(call log,$@) && touch $@
+
+cache/switch.%: cache/db.%
+ @echo "Starting vswitchd on $(call display,$*) - logs in $(call log,$@)"
+ @$(SSH) $(HOST_$*) $(SUDO) sliver-ovs start-switch &> $(call log,$@) && touch $@
+
+cache/bridge.%: cache/switch.%
+ @echo "Creating bridge on $(call display,$*) - logs in $(call log,$@)"
+ @$(SSH) $(HOST_$*) $(SUDO) sliver-ovs create-bridge $(BRIDGE) $(IP_$*) > $@ 2> $(call log,$@) || { rm $@; exit 1; }
+ @echo Created bridge with tap $$(cat $@) on $(call display,$*)
+
+cache/controller.%: cache/bridge.%
+ @echo "Setting controller $(call default,CONTROLLER,$*) on $(call display,$*) - logs in $(call log,$@)"
+ @$(SSH) $(HOST_$*) $(SUDO) ovs-vsctl set-controller $(BRIDGE) $(call default,CONTROLLER,$*) &> $(call log,$@) || { rm $@; exit 1; }
+
+# xxx this probably needs a more thorough cleanup in cache/
+cache/stop.%: del-bridge.%
+ @echo "Stopping switch & db on $(call display,$*)"
+ @$(SSH) $(HOST_$*) $(SUDO) sliver-ovs stop && rm cache/switch.% cache/db.%
### link-oriented targets
+# L/<nodeid>-<node_id>
L/%: cache/link.%@1 cache/link.%@2
@touch $@
@echo "Created link $*"
del-bridge.%: cache/db.%
@echo "Deleting bridge on $(call display,$*)"
- @if [ -f cache/bridge.$* ]; then \
- $(SSH) $(HOST_$*) sudo del_bridge $$(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/$*-* L/*-$*
+ cache/iface.$*$(SEP)*@1 cache/iface.*$(SEP)$*@2 \
+ cache/link.$*$(SEP)*@? cache/link.*$(SEP)$*@? \
+ L/$*$(SEP)* L/*$(SEP)$*
-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.$*
+del-switch.%: del-bridge.%
+ @echo "Shutting down switch on $(call display,$*)"
+ @$(SSH) $(HOST_$*) $(SUDO) sliver-ovs stop-switch
+ @rm -f cache/switch.$*
del-db.%:
@echo "Shutting down db on $(call display,$*)"
- @if [ -f cache/db.$* ]; then \
- $(SSH) $(HOST_$*) sudo ovs-appctl --target=$(VARRUN)/ovsdb-server.$$(cat cache/db.$*).ctl exit;\
- fi
+ @$(SSH) $(HOST_$*) $(SUDO) sliver-ovs stop-db
@rm -f cache/db.$*
-del-links: $(addprefix U/,$(notdir $(wildcard L/*)))
+del-controller.%:
+ @echo "Removing controller for $(call display,$*)"
+ @$(SSH) $(HOST_$*) $(SUDO) sliver-ovs del-controller $(BRIDGE)
+ @rm -f cache/controller.$*
-del-switchds: $(addprefix del-,$(notdir $(wildcard cache/switchd.*)))
+del-links: $(addprefix U/,$(notdir $(filter-out %.log,$(wildcard L/*))))
-del-dbs: $(addprefix del-,$(notdir $(wildcard cache/db.*)))
+del-switchs: $(addprefix del-,$(notdir $(filter-out %.log,$(wildcard cache/switch.*))))
-shutdown: del-switches del-dbs
+del-dbs: $(addprefix del-,$(notdir $(filter-out %.log,$(wildcard cache/db.*))))
-.PHONY: del-links del-switchds del-dbs shutdown
+shutdown: del-switchs del-dbs
-####################
-graph.dot:
- ( echo "digraph $(SLICE) {"; ls L | sed 's/-/->/;s/$$/;/'; echo "}" ) > $@
-graph.ps: graph.dot
- dot -Tps < $^ > $@
+.PHONY: del-links del-switchs del-dbs shutdown
-####################
-clean: $(addprefix del-,$(notdir $(wildcard cache/bridge.*)))
-distclean:
- rm -rf L U cache
-.PHONY: clean distclean
+### snapshots
+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 $^
+
+### 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 -q $(SLIVER_OVS) $(SLICE)@$(call solve,$*):
+ @$(SSH) $(call solve,$*) $(SUDO) mv $(notdir $(SLIVER_OVS)) /usr/sbin/sliver-ovs
+
+.PHONY: remote-snapshot remote-snapshot-ips remote-snapshot-links
+
+cache/rsnap.ip.%:
+ @$(SSH) $(HOST_$*) $(SUDO) ovs-vsctl -- \
+ get interface $(BRIDGE) options:local_ip options:local_netmask |\
+ sed -n 's|"||g;1h;2{G;s|\(.*\)\n\(.*\)|IP_$* = \2/\1|p}' > $@ || \
+ { rm $@; exit 1; }
+
+cache/rsnap.links.%:
+ @$(SSH) $(HOST_$*) $(SUDO) ovs-vsctl list-ifaces $(BRIDGE) | \
+ sed -n 's/^L/LINKS += /p' > $@ || \
+ { rm $@; exit 1; }
.SECONDEXPANSION:
del-iface.%: cache/db.$$(call get,%)
- @echo "Removing interface for link $(call proj1,$*) from $(call get,$*)"
+ @echo "Removing interface for link $(call linkpart,$*) from $(call get,$*)"
@$(SSH) $(HOST_$(call get,$*)) \
- sudo del_port L$(call proj1,$*)
+ $(SUDO) sliver-ovs del-port L$(call linkpart,$*)
@rm -f cache/iface.$* cache/link.$* cache/link.$(call opp,$*)
-
+### '%' here is leftid-rightid@{1,2}
+# we retrieve % as $(*F)
+#linkid=$(call linkpart,%)
+#nodeid=$(call get,%)
+#bridgefile=cache/bridge.$(nodeid)
cache/iface.%: cache/bridge.$$(call get,%)
- @echo "Creating interface for link $(call proj1,$*) on $(call get,$*)"
- @$(SSH) $(HOST_$(call get,$*)) \
- sudo create_port $$(cat $^) L$(call proj1,$*) > $@ \
- || { rm $@; exit 1; }
-
-cache/link.%: cache/host.$$(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=$$(cat cache/iface.$(call opp,$*)) \
+ @echo "Creating interface for link $(call linkpart,$(*F)) on $(call display,$(call get,$(*F))) - logs in $(call log,$@)"
+ @$(SSH) $(call solve,$(call get,$(*F))) $(SUDO) sliver-ovs create-port $(BRIDGE) \
+ L$(call linkpart,$(*F)) > $@ 2> $(call log,$@) || { rm $@; exit 1; }
+
+
+# linkid=$(call linkpart,%)
+# nodeid=$(call get,%)
+# iface1=cache/iface.%
+# iface2=cache/iface.$(call opp,%)
+cache/link.%: cache/host.$$(call rget,%) cache/iface.% cache/iface.$$(call opp,%)
+ @echo "Setting port number of link $(call linkpart,$(*F)) on $(call display,$(call get,$(*F))) - logs in $(call log,$@)"
+ @$(SSH) $(call solve,$(call get,$(*F))) $(SUDO) sliver-ovs set-remote-endpoint L$(call linkpart,$(*F)) \
+ $$(cat cache/host.$(call rget,$(*F))) \
+ $$(cat cache/iface.$(call opp,$(*F))) 2> $(call log,$@) \
&& touch $@
+####################
+CLEANTARGETS=$(addprefix del-,$(notdir $(filter-out %.log,$(wildcard cache/bridge.*))))
+clean: $(CLEANTARGETS)
+distclean:
+ rm -rf L U cache
+.PHONY: clean distclean
+
+####################
+graph.dot:
+ ( echo "digraph $(SLICE) {"; ls L | sed 's/$(SEP)/->/;s/$$/;/'; echo "}" ) > $@
+graph.ps: graph.dot
+ dot -Tps < $^ > $@
+
+
+####################
+# 'virtual' targets in that there's no real file attached
+define node_shortcuts
+sshcheck.$(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.$(1) FORCE
+# switch already depends on db, but well
+cache/start.$(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.%
+link.%: cache/link.%
+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 $(foo)
# make ++foo : idem but verbose, i.e. foo=$(foo)