-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
+# run make CONF=anotherconfig.mk if you need several configs
-# proj1(x@y) = x
-proj1=$(word 1,$(subst @, ,$(1)))
-
-# proj2(x@y) = y
-proj2=$(word 2,$(subst @, ,$(1)))
+CONF ?= conf.mk
+include $(CONF)
+# if undefined in the conf file, use single dash
SEP?=-
-# get(x-y@1) = x
-# get(x-y@2) = y
-get=$(word $(call proj2,$(1)),$(subst $(SEP), ,$(call proj1,$(1))))
+### helper functions
# flip(1) = 2
# flip(2) = 1
flip=$(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)))
-
+###
solve=$(HOST_$(1))
solve_ip=$(IP_$(1))
# can be redefined in conf.mk if that's not the expected behaviour
SSH_KEY_OPTION ?= -i $(SSH_KEY)
endif
-#SSH_OPTIONS ?= $(SSH_KEY_OPTION) -l $(SLICE) -t
SSH_OPTIONS ?= $(SSH_KEY_OPTION) -l $(SLICE)
SSH = ssh $(SSH_OPTIONS)
SUDO ?= sudo -S
-ALL_NODE_IDS=$(shell (cut -d- -f1 < links; cut -d- -f2 < links) | sort -u)
+ALL_NODE_IDS=$(sort $(foreach link,$(LINKS),$(call leftnode,$(link))) $(foreach link,$(LINKS),$(call rightnode,$(link))))
+ALL_LINK_IDS=$(addsuffix @1,$(LINKS)) $(addsuffix @2,$(LINKS))
####################
all+init: init all
.SECONDARY:
-all: $(addprefix L/,$(shell cat links))
+LINKTARGETS=$(addprefix L/,$(LINKS))
+all: $(LINKTARGETS)
.PHONY: all
# could also do make ++SLICE
@$(foreach id,$(ALL_NODE_IDS),echo $(id)=$(call display,$(id));)
showips:
@$(foreach id,$(ALL_NODE_IDS),echo $(id)=$(call display,$(id)) has ip/network set to $(IP_$(id));)
-.PHONY: shownodes showips
+showlinks:
+ @$(foreach link,$(LINKS), echo $(call display,$(call leftnode,$(link))) '====>' $(call display,$(call rightnode,$(link)));)
+.PHONY: shownodes showips showlinks
sshchecks: $(foreach id,$(ALL_NODE_IDS),cache/sshcheck.$(id))
.PHONY: sshchecks
-dbs: $(foreach id,$(ALL_NODE_IDS),cache/db.$(id))
+DBS=$(foreach id,$(ALL_NODE_IDS),cache/db.$(id))
+dbs: $(DBS)
.PHONY: dbs
-switchs: $(foreach id,$(ALL_NODE_IDS),cache/switch.$(id))
+SWITCHS=$(foreach id,$(ALL_NODE_IDS),cache/switch.$(id))
+switchs: $(SWITCHS)
.PHONY: switchs
start: dbs switchs
status:$(foreach id,$(ALL_NODE_IDS),cache/status.$(id))
.PHONY: status
+BRIDGES=$(foreach id,$(ALL_NODE_IDS),cache/bridge.$(id))
+bridges: $(BRIDGES)
+.PHONY: bridges
+
### node-oriented targets
# check ssh connectivity
cache/sshcheck.%: FORCE
cache/bridge.%: cache/switch.%
@echo "Creating bridge on $(call display,$*) - logs in $@.log"
- @$(SSH) $(HOST_$*) $(SUDO) sliver-ovs create-bridge $(IP_$*) &> $@.log && touch $@
+ @$(SSH) $(HOST_$*) $(SUDO) sliver-ovs create-bridge $(IP_$*) > $@ 2> $@.log || { rm $@; exit 1; }
+ @echo Created bridge $$(cat $@) on $(HOST_$*)
# xxx this probably needs a more thorough cleanup in cache/
cache/stop.%: del-bridge.%
@$(SSH) $(HOST_$*) $(SUDO) sliver-ovs stop && rm cache/switch.% cache/db.%
### link-oriented targets
+# L/<nodeid>-<node_id>
L/%: cache/link.%@1 cache/link.%@2
@touch $@
@echo "Created link $*"
del-switch.%: del-bridge.%
@echo "Shutting down switch on $(call display,$*)"
- @if [ -f cache/switch.$* ]; then \
- $(SSH) $(HOST_$*) $(SUDO) ovs-appctl exit;\
- fi
+ @[ -f cache/switch.$* ] && $(SSH) $(HOST_$*) $(SUDO) sliver-ovs stop-switch
@rm -f cache/switch.$*
del-db.%:
@echo "Shutting down db on $(call display,$*)"
- @if [ -f cache/db.$* ]; then \
- $(SSH) $(HOST_$*) $(SUDO) ovs-appctl --target=$(VARRUN)/ovsdb-server.$$(cat cache/db.$*).ctl exit;\
- fi
+ @[ -f cache/db.$* ] && $(SSH) $(HOST_$*) $(SUDO) sliver-ovs stop-db
@rm -f cache/db.$*
-del-links: $(addprefix U/,$(notdir $(wildcard L/*)))
+del-links: $(addprefix U/,$(notdir $(filter-out %.log,$(wildcard L/*))))
-del-switchs: $(addprefix del-,$(notdir $(wildcard cache/switch.*)))
+del-switchs: $(addprefix del-,$(notdir $(filter-out %.log,$(wildcard cache/switch.*))))
-del-dbs: $(addprefix del-,$(notdir $(wildcard cache/db.*)))
+del-dbs: $(addprefix del-,$(notdir $(filter-out %.log,$(wildcard cache/db.*))))
-shutdown: del-switches del-dbs
+shutdown: del-switchs del-dbs
.PHONY: del-links del-switchs del-dbs shutdown
-####################
-graph.dot:
- ( echo "digraph $(SLICE) {"; ls L | sed 's/$(SEP)/->/;s/$$/;/'; echo "}" ) > $@
-graph.ps: graph.dot
- dot -Tps < $^ > $@
-
-####################
-clean: $(addprefix del-,$(notdir $(wildcard cache/bridge.*)))
-distclean:
- rm -rf L U cache
-
-.PHONY: clean distclean
-
.SECONDEXPANSION:
del-iface.%: cache/db.$$(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,$*)) \
- $(SUDO) sliver-ovs del-port L$(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.$$(call get,%)
- @echo "Creating interface for link $(call proj1,$*) on $(call get,$*)"
- @$(SSH) $(HOST_$(call get,$*)) \
- $(SUDO) sliver-ovs create-port $$(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 $@.log"
+ @$(SSH) $(call solve,$(call get,$(*F))) $(SUDO) sliver-ovs create-port $$(cat cache/bridge.$(call get,$(*F))) L$(call linkpart,$(*F)) > $@ 2> $@.log || { rm $@; exit 1; }
+ echo cache/bridge.$(call get,$(*F))
+ echo cache/host.$(call get,$(*F)) cache/iface.$(*F) cache/iface.$(call opp,$(*F))
+
+
+# linkid=$(call linkpart,%)
+# nodeid=$(call get,%)
+# iface1=cache/iface.%
+# iface2=cache/iface.$(call opp,%)
+cache/link.%: cache/host.$$(call get,%) cache/iface.% cache/iface.$$(call opp,%)
+ @echo "Setting port number of link $(call linkpart,$(*F)) on $(call display,$(call get,$(*F))) - logs in $@.log"
+ @$(SSH) $(call solve,$(call get,$(*F))) $(SUDO) sliver-ovs set-remote-endpoint L$(call linkpart,$(*F)) \
+ $$(cat cache/host.$(call rget,$(*F))) \
+ $$(cat cache/iface.$(call opp,$(*F))) 2> $@.log \
&& touch $@
+####################
+CLEANTARGETS=$(addprefix del-,$(notdir $(filter-out %.log,$(wildcard cache/bridge.*))))
+clean: $(CLEANTARGETS)
+distclean:
+ rm -rf L U cache
+.PHONY: clean distclean
+
+####################
+graph.dot:
+ ( echo "digraph $(SLICE) {"; ls L | sed 's/$(SEP)/->/;s/$$/;/'; echo "}" ) > $@
+graph.ps: graph.dot
+ dot -Tps < $^ > $@
+
####################
# 'virtual' targets in that there's no real file attached
define node_shortcuts
stop.$(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
-#
-#endef
+define link_shortcuts
+iface.%: cache/iface.%
+link.%: cache/link.%
+endef
+
+$(foreach id,$(ALL_LINK_IDS), $(eval $(call link_shortcuts,$(id))))
#################### convenience, for debugging only
# make +foo : prints the value of $(foo)