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,$(1)))
41 default=$(if $($(1)_$(2)),$($(1)_$(2)),$($(1)))
44 # can be redefined in conf.mk if that's not the expected behaviour
45 display?=host $(1) aka $(call solve,$(1))
48 log=$(addprefix log/,$(notdir $(1)))
50 #################### set variables after conf.mk
54 SSH_KEY_OPTION ?= -i $(SSH_KEY)
57 SSH_OPTIONS ?= $(SSH_KEY_OPTION) -l $(SLICE)
58 SSH = ssh $(SSH_OPTIONS)
62 ALL_NODE_IDS=$(sort $(foreach link,$(LINKS),$(call leftnode,$(link))) $(foreach link,$(LINKS),$(call rightnode,$(link))))
63 ALL_NODE_HOSTS=$(foreach id,$(ALL_NODE_IDS),$(call solve,$(id)))
64 ALL_LINK_IDS=$(addsuffix @1,$(LINKS)) $(addsuffix @2,$(LINKS))
65 CONF_NODE_IDS=$(subst HOST_,,$(filter HOST_%,$(.VARIABLES)))
70 @[ -d L ] || ( echo Creating tmp dir L; mkdir L)
71 @[ -d log ] || (echo Creating tmp dir log; mkdir log)
72 @[ -d cache ] || ( echo Creating tmp dir cache; mkdir cache)
79 LINKTARGETS=$(addprefix L/,$(LINKS))
83 # could also do make ++SLICE
84 showslice: ++SLICE FORCE
87 @$(foreach id,$(ALL_NODE_IDS),echo $(id)=$(call display,$(id));)
88 showhostnames: ++ALL_NODE_HOSTS
90 @$(foreach id,$(ALL_NODE_IDS),echo $(id)=$(call display,$(id)) has ip/network set to $(IP_$(id));)
92 @$(foreach link,$(LINKS), echo $(call display,$(call leftnode,$(link))) '====>' $(call display,$(call rightnode,$(link)));)
94 @$(foreach id,$(ALL_NODE_IDS), echo $(call display,$(id)) has controller $(call default,CONTROLLER,$(id));)
95 .PHONY: shownodes showhostnames showips showlinks showcontrollers
97 sshchecks: $(foreach id,$(ALL_NODE_IDS),sshcheck-$(id))
99 ovsversions: $(foreach id,$(ALL_NODE_IDS),ovsversion-$(id))
101 # more general form; run with make sshs SSH-COMMAND="bla bla bla"
102 sshs: $(foreach id,$(ALL_NODE_IDS),ssh-$(id))
105 DBS=$(foreach id,$(ALL_NODE_IDS),cache/db.$(id))
109 SWITCHS=$(foreach id,$(ALL_NODE_IDS),cache/switch.$(id))
116 stop:$(foreach id,$(ALL_NODE_IDS),cache/stop.$(id))
119 status:$(foreach id,$(ALL_NODE_IDS),cache/status.$(id))
122 BRIDGES=$(foreach id,$(ALL_NODE_IDS),cache/bridge.$(id))
126 CONTROLLERS=$(foreach id,$(ALL_NODE_IDS),cache/controller.$(id))
127 controllers: $(CONTROLLERS)
130 del-controllers: $(foreach id,$(ALL_NODE_IDS),del-controller-$(id))
131 .PHONY: del-controllers
133 ### node-oriented targets
134 # check ssh connectivity
136 @if $(SSH) $(HOST_$*) hostname &> /dev/null; then echo "ssh on" $(call display,$*) "OK" ; \
137 else echo "ssh on" $(call display,$*) "KO !!!"; fi
140 @OVSVERSION=$$($(SSH) $(HOST_$*) rpm -q sliver-openvswitch); echo $(call display,$*) has $$OVSVERSION
143 @$(SSH) $(HOST_$*) $(SUDO) $(SSH-COMMAND)
145 # should probably replace sshcheck
146 cache/status.%: FORCE
147 @echo "=== DB and SWITCH processes on $(call display,$*)"
148 @$(SSH) $(HOST_$*) $(SUDO) sliver-ovs status ||:
151 @echo "IP lookup for $(call display,$*)"
152 @host $(HOST_$*) | sed -n 's/^.*has address *//p' > $@
155 @echo "Starting db server on $(call display,$*) - logs in $(call log,$@)"
156 @$(SSH) $(HOST_$*) $(SUDO) sliver-ovs start-db &> $(call log,$@) && touch $@
158 cache/switch.%: cache/db.%
159 @echo "Starting vswitchd on $(call display,$*) - logs in $(call log,$@)"
160 @$(SSH) $(HOST_$*) $(SUDO) sliver-ovs start-switch &> $(call log,$@) && touch $@
162 cache/bridge.%: cache/switch.%
163 @echo "Creating bridge on $(call display,$*) - logs in $(call log,$@)"
164 @$(SSH) $(HOST_$*) $(SUDO) sliver-ovs create-bridge $(BRIDGE) $(IP_$*) > $@ 2> $(call log,$@) || { rm $@; exit 1; }
165 @echo Created bridge with tap $$(cat $@) on $(call display,$*)
167 cache/controller.%: cache/bridge.%
168 @echo "Setting controller $(call default,CONTROLLER,$*) on $(call display,$*) - logs in $(call log,$@)"
169 @$(SSH) $(HOST_$*) $(SUDO) ovs-vsctl set-controller $(BRIDGE) $(call default,CONTROLLER,$*) &> $(call log,$@) || { rm $@; exit 1; }
171 # xxx this probably needs a more thorough cleanup in cache/
172 cache/stop.%: del-bridge.%
173 @echo "Stopping switch & db on $(call display,$*)"
174 @$(SSH) $(HOST_$*) $(SUDO) sliver-ovs stop && rm cache/switch.$* cache/db.$*
176 ### link-oriented targets
177 # L/<nodeid>-<node_id>
178 L/%: cache/link.%@1 cache/link.%@2
180 @echo "Created link $*"
182 U/%: del-iface.%@1 del-iface.%@2
184 @echo "Deleted link $*"
186 del-bridge.%: cache/db.%
187 @echo "Deleting bridge on $(call display,$*)"
188 @$(SSH) $(HOST_$*) $(SUDO) sliver-ovs del-bridge $(BRIDGE);
189 @rm -f cache/bridge.$* \
190 cache/iface.$*$(SEP)*@1 cache/iface.*$(SEP)$*@2 \
191 cache/link.$*$(SEP)*@? cache/link.*$(SEP)$*@? \
192 L/$*$(SEP)* L/*$(SEP)$*
194 del-switch.%: del-bridge.%
195 @echo "Shutting down switch on $(call display,$*)"
196 @$(SSH) $(HOST_$*) $(SUDO) sliver-ovs stop-switch
197 @rm -f cache/switch.$*
200 @echo "Shutting down db on $(call display,$*)"
201 @$(SSH) $(HOST_$*) $(SUDO) sliver-ovs stop-db
205 @echo "Removing controller for $(call display,$*)"
206 @$(SSH) $(HOST_$*) $(SUDO) sliver-ovs del-controller $(BRIDGE)
207 @rm -f cache/controller.$*
209 del-links: $(addprefix U/,$(notdir $(filter-out %.log,$(wildcard L/*))))
211 del-switchs: $(addprefix del-,$(notdir $(filter-out %.log,$(wildcard cache/switch.*))))
213 del-dbs: $(addprefix del-,$(notdir $(filter-out %.log,$(wildcard cache/db.*))))
215 shutdown: del-switchs del-dbs
217 .PHONY: del-links del-switchs del-dbs shutdown
221 remote-snapshot: remote-snapshot-ips remote-snapshot-links
224 remote-snapshot-ips: $(addprefix cache/rsnap.ip.,$(CONF_NODE_IDS))
227 remote-snapshot-links: $(addprefix cache/rsnap.links.,$(CONF_NODE_IDS))
228 @sort -u /dev/null $^
230 ### update sliver-ovs
231 update: $(addprefix update-,$(CONF_NODE_IDS))
235 @[ -n "$(SLIVER_OVS)" ] || { echo "SLIVER_OVS not set" >&2; exit 1; }
236 @[ -f "$(SLIVER_OVS)" ] || { echo "$(SLIVER_OVS) not found" >&2; exit 1; }
237 @echo "Sending $(SLIVER_OVS) to $(call display,$*)"
238 @scp -q $(SLIVER_OVS) $(SLICE)@$(call solve,$*):
239 @$(SSH) $(call solve,$*) $(SUDO) mv $(notdir $(SLIVER_OVS)) /usr/sbin/sliver-ovs
241 .PHONY: remote-snapshot remote-snapshot-ips remote-snapshot-links
244 @$(SSH) $(HOST_$*) $(SUDO) ovs-vsctl -- \
245 get interface $(BRIDGE) options:local_ip options:local_netmask |\
246 sed -n 's|"||g;1h;2{G;s|\(.*\)\n\(.*\)|IP_$* = \2/\1|p}' > $@ || \
250 @$(SSH) $(HOST_$*) $(SUDO) ovs-vsctl list-ifaces $(BRIDGE) | \
251 sed -n 's/^L/LINKS += /p' > $@ || \
256 del-iface.%: cache/db.$$(call get,%)
257 @echo "Removing interface for link $(call linkpart,$*) from $(call get,$*)"
258 @$(SSH) $(HOST_$(call get,$*)) \
259 $(SUDO) sliver-ovs del-port L$(call linkpart,$*)
260 @rm -f cache/iface.$* cache/link.$* cache/link.$(call opp,$*)
263 ### '%' here is leftid-rightid@{1,2}
264 # we retrieve % as $(*F)
265 #linkid=$(call linkpart,%)
266 #nodeid=$(call get,%)
267 #bridgefile=cache/bridge.$(nodeid)
268 cache/iface.%: cache/bridge.$$(call get,%)
269 @echo "Creating interface for link $(call linkpart,$(*F)) on $(call display,$(call get,$(*F))) - logs in $(call log,$@)"
270 @$(SSH) $(call solve,$(call get,$(*F))) $(SUDO) sliver-ovs create-port $(BRIDGE) \
271 L$(call linkpart,$(*F)) > $@ 2> $(call log,$@) || { rm $@; exit 1; }
274 # linkid=$(call linkpart,%)
275 # nodeid=$(call get,%)
276 # iface1=cache/iface.%
277 # iface2=cache/iface.$(call opp,%)
278 cache/link.%: cache/host.$$(call rget,%) cache/iface.% cache/iface.$$(call opp,%)
279 @echo "Setting port number of link $(call linkpart,$(*F)) on $(call display,$(call get,$(*F))) - logs in $(call log,$@)"
280 @$(SSH) $(call solve,$(call get,$(*F))) $(SUDO) sliver-ovs set-remote-endpoint L$(call linkpart,$(*F)) \
281 $$(cat cache/host.$(call rget,$(*F))) \
282 $$(cat cache/iface.$(call opp,$(*F))) 2> $(call log,$@) \
286 CLEANTARGETS=$(addprefix del-,$(notdir $(filter-out %.log,$(wildcard cache/bridge.*))))
287 clean: $(CLEANTARGETS)
290 .PHONY: clean distclean
294 ( echo "digraph $(SLICE) {"; ls L | sed 's/$(SEP)/->/;s/$$/;/'; echo "}" ) > $@
300 # 'virtual' targets in that there's no real file attached
301 define node_shortcuts
302 sshcheck.$(1): sshcheck-$(1) FORCE
303 db.$(1): cache/db.$(1) FORCE
304 switch.$(1): cache/switch.$(1) FORCE
305 start.$(1): cache/start.$(1) FORCE
306 stop.$(1): cache/stop.$(1) FORCE
307 status.$(1): cache/status.$(1) FORCE
308 bridge.$(1): cache/bridge.$(1) FORCE
309 host.$(1): cache/host.$(1) FORCE
310 # switch already depends on db, but well
311 cache/start.$(1): cache/db.$(1) cache/switch.$(1) FORCE
314 $(foreach id,$(ALL_NODE_IDS), $(eval $(call node_shortcuts,$(id))))
316 define link_shortcuts
317 iface.%: cache/iface.%
321 $(foreach id,$(ALL_LINK_IDS), $(eval $(call link_shortcuts,$(id))))
326 #################### convenience, for debugging only
327 # make +foo : prints the value of $(foo)
328 # make ++foo : idem but verbose, i.e. foo=$(foo)
329 ++%: varname=$(subst +,,$@)
331 @echo "$(varname)=$($(varname))"
332 +%: varname=$(subst +,,$@)
334 @echo "$($(varname))"