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-$(id))
102 DBS=$(foreach id,$(ALL_NODE_IDS),cache/db.$(id))
106 SWITCHS=$(foreach id,$(ALL_NODE_IDS),cache/switch.$(id))
113 stop:$(foreach id,$(ALL_NODE_IDS),cache/stop.$(id))
116 status:$(foreach id,$(ALL_NODE_IDS),cache/status.$(id))
119 BRIDGES=$(foreach id,$(ALL_NODE_IDS),cache/bridge.$(id))
123 CONTROLLERS=$(foreach id,$(ALL_NODE_IDS),cache/controller.$(id))
124 controllers: $(CONTROLLERS)
127 del-controllers: $(foreach id,$(ALL_NODE_IDS),del-controller-$(id))
128 .PHONY: del-controllers
130 ### node-oriented targets
131 # check ssh connectivity
133 @if $(SSH) $(HOST_$*) hostname &> /dev/null; then echo "ssh on" $(call display,$*) "OK" ; \
134 else echo "ssh on" $(call display,$*) "KO !!!"; fi
137 @OVSVERSION=$$($(SSH) $(HOST_$*) rpm -q sliver-openvswitch); echo $(call display,$*) has $$OVSVERSION
139 # should probably replace sshcheck
140 cache/status.%: FORCE
141 @echo "=== DB and SWITCH processes on $(call display,$*)"
142 @$(SSH) $(HOST_$*) $(SUDO) sliver-ovs status ||:
145 @echo "IP lookup for $(call display,$*)"
146 @host $(HOST_$*) | sed -n 's/^.*has address *//p' > $@
149 @echo "Starting db server on $(call display,$*) - logs in $(call log,$@)"
150 @$(SSH) $(HOST_$*) $(SUDO) sliver-ovs start-db &> $(call log,$@) && touch $@
152 cache/switch.%: cache/db.%
153 @echo "Starting vswitchd on $(call display,$*) - logs in $(call log,$@)"
154 @$(SSH) $(HOST_$*) $(SUDO) sliver-ovs start-switch &> $(call log,$@) && touch $@
156 cache/bridge.%: cache/switch.%
157 @echo "Creating bridge on $(call display,$*) - logs in $(call log,$@)"
158 @$(SSH) $(HOST_$*) $(SUDO) sliver-ovs create-bridge $(BRIDGE) $(IP_$*) > $@ 2> $(call log,$@) || { rm $@; exit 1; }
159 @echo Created bridge with tap $$(cat $@) on $(call display,$*)
161 cache/controller.%: cache/bridge.%
162 @echo "Setting controller $(call default,CONTROLLER,$*) on $(call display,$*) - logs in $(call log,$@)"
163 @$(SSH) $(HOST_$*) $(SUDO) ovs-vsctl set-controller $(BRIDGE) $(call default,CONTROLLER,$*) &> $(call log,$@) || { rm $@; exit 1; }
165 # xxx this probably needs a more thorough cleanup in cache/
166 cache/stop.%: del-bridge.%
167 @echo "Stopping switch & db on $(call display,$*)"
168 @$(SSH) $(HOST_$*) $(SUDO) sliver-ovs stop && rm cache/switch.% cache/db.%
170 ### link-oriented targets
171 # L/<nodeid>-<node_id>
172 L/%: cache/link.%@1 cache/link.%@2
174 @echo "Created link $*"
176 U/%: del-iface.%@1 del-iface.%@2
178 @echo "Deleted link $*"
180 del-bridge.%: cache/db.%
181 @echo "Deleting bridge on $(call display,$*)"
182 @$(SSH) $(HOST_$*) $(SUDO) sliver-ovs del-bridge $(BRIDGE);
183 @rm -f cache/bridge.$* \
184 cache/iface.$*$(SEP)*@1 cache/iface.*$(SEP)$*@2 \
185 cache/link.$*$(SEP)*@? cache/link.*$(SEP)$*@? \
186 L/$*$(SEP)* L/*$(SEP)$*
188 del-switch.%: del-bridge.%
189 @echo "Shutting down switch on $(call display,$*)"
190 @$(SSH) $(HOST_$*) $(SUDO) sliver-ovs stop-switch
191 @rm -f cache/switch.$*
194 @echo "Shutting down db on $(call display,$*)"
195 @$(SSH) $(HOST_$*) $(SUDO) sliver-ovs stop-db
199 @echo "Removing controller for $(call display,$*)"
200 @$(SSH) $(HOST_$*) $(SUDO) sliver-ovs del-controller $(BRIDGE)
201 @rm -f cache/controller.$*
203 del-links: $(addprefix U/,$(notdir $(filter-out %.log,$(wildcard L/*))))
205 del-switchs: $(addprefix del-,$(notdir $(filter-out %.log,$(wildcard cache/switch.*))))
207 del-dbs: $(addprefix del-,$(notdir $(filter-out %.log,$(wildcard cache/db.*))))
209 shutdown: del-switchs del-dbs
211 .PHONY: del-links del-switchs del-dbs shutdown
215 remote-snapshot: remote-snapshot-ips remote-snapshot-links
218 remote-snapshot-ips: $(addprefix cache/rsnap.ip.,$(CONF_NODE_IDS))
221 remote-snapshot-links: $(addprefix cache/rsnap.links.,$(CONF_NODE_IDS))
222 @sort -u /dev/null $^
224 ### update sliver-ovs
225 update: $(addprefix update-,$(CONF_NODE_IDS))
229 @[ -n "$(SLIVER_OVS)" ] || { echo "SLIVER_OVS not set" >&2; exit 1; }
230 @[ -f "$(SLIVER_OVS)" ] || { echo "$(SLIVER_OVS) not found" >&2; exit 1; }
231 @echo "Sending $(SLIVER_OVS) to $(call display,$*)"
232 @scp -q $(SLIVER_OVS) $(SLICE)@$(call solve,$*):
233 @$(SSH) $(call solve,$*) $(SUDO) mv $(notdir $(SLIVER_OVS)) /usr/sbin/sliver-ovs
235 .PHONY: remote-snapshot remote-snapshot-ips remote-snapshot-links
238 @$(SSH) $(HOST_$*) $(SUDO) ovs-vsctl -- \
239 get interface $(BRIDGE) options:local_ip options:local_netmask |\
240 sed -n 's|"||g;1h;2{G;s|\(.*\)\n\(.*\)|IP_$* = \2/\1|p}' > $@ || \
244 @$(SSH) $(HOST_$*) $(SUDO) ovs-vsctl list-ifaces $(BRIDGE) | \
245 sed -n 's/^L/LINKS += /p' > $@ || \
250 del-iface.%: cache/db.$$(call get,%)
251 @echo "Removing interface for link $(call linkpart,$*) from $(call get,$*)"
252 @$(SSH) $(HOST_$(call get,$*)) \
253 $(SUDO) sliver-ovs del-port L$(call linkpart,$*)
254 @rm -f cache/iface.$* cache/link.$* cache/link.$(call opp,$*)
257 ### '%' here is leftid-rightid@{1,2}
258 # we retrieve % as $(*F)
259 #linkid=$(call linkpart,%)
260 #nodeid=$(call get,%)
261 #bridgefile=cache/bridge.$(nodeid)
262 cache/iface.%: cache/bridge.$$(call get,%)
263 @echo "Creating interface for link $(call linkpart,$(*F)) on $(call display,$(call get,$(*F))) - logs in $(call log,$@)"
264 @$(SSH) $(call solve,$(call get,$(*F))) $(SUDO) sliver-ovs create-port $(BRIDGE) \
265 L$(call linkpart,$(*F)) > $@ 2> $(call log,$@) || { rm $@; exit 1; }
268 # linkid=$(call linkpart,%)
269 # nodeid=$(call get,%)
270 # iface1=cache/iface.%
271 # iface2=cache/iface.$(call opp,%)
272 cache/link.%: cache/host.$$(call rget,%) cache/iface.% cache/iface.$$(call opp,%)
273 @echo "Setting port number of link $(call linkpart,$(*F)) on $(call display,$(call get,$(*F))) - logs in $(call log,$@)"
274 @$(SSH) $(call solve,$(call get,$(*F))) $(SUDO) sliver-ovs set-remote-endpoint L$(call linkpart,$(*F)) \
275 $$(cat cache/host.$(call rget,$(*F))) \
276 $$(cat cache/iface.$(call opp,$(*F))) 2> $(call log,$@) \
280 CLEANTARGETS=$(addprefix del-,$(notdir $(filter-out %.log,$(wildcard cache/bridge.*))))
281 clean: $(CLEANTARGETS)
284 .PHONY: clean distclean
288 ( echo "digraph $(SLICE) {"; ls L | sed 's/$(SEP)/->/;s/$$/;/'; echo "}" ) > $@
294 # 'virtual' targets in that there's no real file attached
295 define node_shortcuts
296 sshcheck.$(1): sshcheck-$(1) FORCE
297 db.$(1): cache/db.$(1) FORCE
298 switch.$(1): cache/switch.$(1) FORCE
299 start.$(1): cache/start.$(1) FORCE
300 stop.$(1): cache/stop.$(1) FORCE
301 status.$(1): cache/status.$(1) FORCE
302 bridge.$(1): cache/bridge.$(1) FORCE
303 host.$(1): cache/host.$(1) FORCE
304 # switch already depends on db, but well
305 cache/start.$(1): cache/db.$(1) cache/switch.$(1) FORCE
308 $(foreach id,$(ALL_NODE_IDS), $(eval $(call node_shortcuts,$(id))))
310 define link_shortcuts
311 iface.%: cache/iface.%
315 $(foreach id,$(ALL_LINK_IDS), $(eval $(call link_shortcuts,$(id))))
320 #################### convenience, for debugging only
321 # make +foo : prints the value of $(foo)
322 # make ++foo : idem but verbose, i.e. foo=$(foo)
323 ++%: varname=$(subst +,,$@)
325 @echo "$(varname)=$($(varname))"
326 +%: varname=$(subst +,,$@)
328 @echo "$($(varname))"