2 # conf.mk is expected to define
3 # HOST_<id> and IP_<id> for all nodes involved, as well as
4 # LINKS as a list of <node_id>-<node_id> elements
6 # run make CONF=anotherconfig.mk if you need several configs
11 # if undefined in the conf file, use single dash
14 # bridge name (XXX the same on all nodes)
20 flip=$(if $(findstring 1,$(1)),2,1)
22 cutsep=$(subst $(SEP), ,$(1))
24 leftnode=$(word 1,$(call cutsep,$(1)))
25 # rightnode (x-y) -> y
26 rightnode=$(word 2,$(call cutsep,$(1)))
28 linkpart=$(word 1,$(subst @, ,$(1)))
30 endpart=$(word 2,$(subst @, ,$(1)))
33 get=$(word $(call endpart,$(1)),$(call cutsep,$(call linkpart,$(1))))
36 opp=$(call linkpart,$(1))@$(call flip,$(call endpart,$(1)))
39 rget=$(call get,$(call opp,$(1)))
43 # can be redefined in conf.mk if that's not the expected behaviour
44 display?=host $(1) aka $(call solve,$(1))
46 #################### set variables after conf.mk
50 SSH_KEY_OPTION ?= -i $(SSH_KEY)
53 SSH_OPTIONS ?= $(SSH_KEY_OPTION) -l $(SLICE)
54 SSH = ssh $(SSH_OPTIONS)
58 ALL_NODE_IDS=$(sort $(foreach link,$(LINKS),$(call leftnode,$(link))) $(foreach link,$(LINKS),$(call rightnode,$(link))))
59 ALL_LINK_IDS=$(addsuffix @1,$(LINKS)) $(addsuffix @2,$(LINKS))
64 @[ -d L ] || ( echo Creating tmp dir L; mkdir L)
65 @[ -d U ] || ( echo Creating tmp dir U; mkdir U)
66 @[ -d cache ] || ( echo Creating tmp dir cache; mkdir cache)
73 LINKTARGETS=$(addprefix L/,$(LINKS))
77 # could also do make ++SLICE
78 showslice: ++SLICE FORCE
81 @$(foreach id,$(ALL_NODE_IDS),echo $(id)=$(call display,$(id));)
83 @$(foreach id,$(ALL_NODE_IDS),echo $(id)=$(call display,$(id)) has ip/network set to $(IP_$(id));)
85 @$(foreach link,$(LINKS), echo $(call display,$(call leftnode,$(link))) '====>' $(call display,$(call rightnode,$(link)));)
86 .PHONY: shownodes showips showlinks
88 sshchecks: $(foreach id,$(ALL_NODE_IDS),cache/sshcheck.$(id))
91 DBS=$(foreach id,$(ALL_NODE_IDS),cache/db.$(id))
95 SWITCHS=$(foreach id,$(ALL_NODE_IDS),cache/switch.$(id))
102 stop:$(foreach id,$(ALL_NODE_IDS),cache/stop.$(id))
105 status:$(foreach id,$(ALL_NODE_IDS),cache/status.$(id))
108 BRIDGES=$(foreach id,$(ALL_NODE_IDS),cache/bridge.$(id))
112 ### node-oriented targets
113 # check ssh connectivity
114 cache/sshcheck.%: FORCE
115 @if $(SSH) $(HOST_$*) hostname 2> /dev/null; then echo "ssh on" $(call display,$*) "OK" ; \
116 else echo "ssh on" $(call display,$*) "KO !!!"; fi
118 # should probably replace sshcheck
119 cache/status.%: FORCE
120 @echo "=== DB and SWITCH processes on $(call display,$*)"
121 @$(SSH) $(HOST_$*) $(SUDO) sliver-ovs status
124 @echo "IP lookup for $(call display,$*)"
125 @host $(HOST_$*) | sed -n 's/^.*has address *//p' > $@
128 @echo "Starting db server on $(call display,$*) - logs in $@.log"
129 @$(SSH) $(HOST_$*) $(SUDO) sliver-ovs start-db &> $@.log && touch $@
131 cache/switch.%: cache/db.%
132 @echo "Starting vswitchd on $(call display,$*) - logs in $@.log"
133 @$(SSH) $(HOST_$*) $(SUDO) sliver-ovs start-switch &> $@.log && touch $@
135 cache/bridge.%: cache/switch.%
136 @echo "Creating bridge on $(call display,$*) - logs in $@.log"
137 @$(SSH) $(HOST_$*) $(SUDO) sliver-ovs create-bridge $(BRIDGE) $(IP_$*) > $@ 2> $@.log || { rm $@; exit 1; }
138 @echo Created bridge with tap $$(cat $@) on $(call display,$*)
140 # xxx this probably needs a more thorough cleanup in cache/
141 cache/stop.%: del-bridge.%
142 @echo "Stopping switch & db on $(call display,$*)"
143 @$(SSH) $(HOST_$*) $(SUDO) sliver-ovs stop && rm cache/switch.% cache/db.%
145 ### link-oriented targets
146 # L/<nodeid>-<node_id>
147 L/%: cache/link.%@1 cache/link.%@2
149 @echo "Created link $*"
151 U/%: del-iface.%@1 del-iface.%@2
153 @echo "Deleted link $*"
155 del-bridge.%: cache/db.%
156 @echo "Deleting bridge on $(call display,$*)"
157 @if [ -f cache/bridge.$* ]; then \
158 $(SSH) $(HOST_$*) $(SUDO) sliver-ovs del-bridge $(BRIDGE);\
160 @rm -f cache/bridge.$* \
161 cache/iface.$*$(SEP)*@1 cache/iface.*$(SEP)$*@2 \
162 cache/link.$*$(SEP)*@? cache/link.*$(SEP)$*@? \
163 L/$*$(SEP)* L/*$(SEP)$*
165 del-switch.%: del-bridge.%
166 @echo "Shutting down switch on $(call display,$*)"
167 @[ -f cache/switch.$* ] && $(SSH) $(HOST_$*) $(SUDO) sliver-ovs stop-switch
168 @rm -f cache/switch.$*
171 @echo "Shutting down db on $(call display,$*)"
172 @[ -f cache/db.$* ] && $(SSH) $(HOST_$*) $(SUDO) sliver-ovs stop-db
175 del-links: $(addprefix U/,$(notdir $(filter-out %.log,$(wildcard L/*))))
177 del-switchs: $(addprefix del-,$(notdir $(filter-out %.log,$(wildcard cache/switch.*))))
179 del-dbs: $(addprefix del-,$(notdir $(filter-out %.log,$(wildcard cache/db.*))))
181 shutdown: del-switchs del-dbs
183 .PHONY: del-links del-switchs del-dbs shutdown
187 del-iface.%: cache/db.$$(call get,%)
188 @echo "Removing interface for link $(call linkpart,$*) from $(call get,$*)"
189 @$(SSH) $(HOST_$(call get,$*)) \
190 $(SUDO) sliver-ovs del-port L$(call linkpart,$*)
191 @rm -f cache/iface.$* cache/link.$* cache/link.$(call opp,$*)
194 ### '%' here is leftid-rightid@{1,2}
195 # we retrieve % as $(*F)
196 #linkid=$(call linkpart,%)
197 #nodeid=$(call get,%)
198 #bridgefile=cache/bridge.$(nodeid)
199 cache/iface.%: cache/bridge.$$(call get,%)
200 @echo "Creating interface for link $(call linkpart,$(*F)) on $(call display,$(call get,$(*F))) - logs in $@.log"
201 @$(SSH) $(call solve,$(call get,$(*F))) $(SUDO) sliver-ovs create-port $(BRIDGE) \
202 L$(call linkpart,$(*F)) > $@ 2> $@.log || { rm $@; exit 1; }
205 # linkid=$(call linkpart,%)
206 # nodeid=$(call get,%)
207 # iface1=cache/iface.%
208 # iface2=cache/iface.$(call opp,%)
209 cache/link.%: cache/host.$$(call rget,%) cache/iface.% cache/iface.$$(call opp,%)
210 @echo "Setting port number of link $(call linkpart,$(*F)) on $(call display,$(call get,$(*F))) - logs in $@.log"
211 @$(SSH) $(call solve,$(call get,$(*F))) $(SUDO) sliver-ovs set-remote-endpoint L$(call linkpart,$(*F)) \
212 $$(cat cache/host.$(call rget,$(*F))) \
213 $$(cat cache/iface.$(call opp,$(*F))) 2> $@.log \
217 CLEANTARGETS=$(addprefix del-,$(notdir $(filter-out %.log,$(wildcard cache/bridge.*))))
218 clean: $(CLEANTARGETS)
221 .PHONY: clean distclean
225 ( echo "digraph $(SLICE) {"; ls L | sed 's/$(SEP)/->/;s/$$/;/'; echo "}" ) > $@
230 # 'virtual' targets in that there's no real file attached
231 define node_shortcuts
232 sshcheck.$(1): cache/sshcheck.$(1) FORCE
233 db.$(1): cache/db.$(1) FORCE
234 switch.$(1): cache/switch.$(1) FORCE
235 start.$(1): cache/start.$(1) FORCE
236 stop.$(1): cache/stop.$(1) FORCE
237 status.$(1): cache/status.$(1) FORCE
238 bridge.$(1): cache/bridge.$(1) FORCE
239 host.$(1): cache/host.$(1) FORCE
240 # switch already depends on db, but well
241 cache/start.$(1): cache/db.$(1) cache/switch.$(1) FORCE
244 $(foreach id,$(ALL_NODE_IDS), $(eval $(call node_shortcuts,$(id))))
246 define link_shortcuts
247 iface.%: cache/iface.%
251 $(foreach id,$(ALL_LINK_IDS), $(eval $(call link_shortcuts,$(id))))
253 #################### convenience, for debugging only
254 # make +foo : prints the value of $(foo)
255 # make ++foo : idem but verbose, i.e. foo=$(foo)
256 ++%: varname=$(subst +,,$@)
258 @echo "$(varname)=$($(varname))"
259 +%: varname=$(subst +,,$@)
261 @echo "$($(varname))"