5 proj1=$(word 1,$(subst @, ,$(1)))
8 proj2=$(word 2,$(subst @, ,$(1)))
13 get=$(word $(call proj2,$(1)),$(subst $(SEP), ,$(call proj1,$(1))))
17 flip=$(if $(findstring 1,$(1)),2,1)
21 opp=$(call proj1,$(1))@$(call flip,$(call proj2,$(1)))
25 rget=$(call get,$(call opp,$(1)))
29 # can be redefined in conf.mk if that's not the expected behaviour
30 display?=host $(1) aka $(call solve,$(1))
32 #################### set variables after conf.mk
36 SSH_KEY_OPTION ?= -i $(SSH_KEY)
39 SSH_OPTIONS ?= $(SSH_KEY_OPTION) -l $(SLICE) -t
40 SSH = ssh $(SSH_OPTIONS)
44 ALL_NODE_IDS=$(shell (cut -d- -f1 < links; cut -d- -f2 < links) | sort -u)
49 @[ -d L ] || ( echo Creating tmp dir L; mkdir L)
50 @[ -d U ] || ( echo Creating tmp dir U; mkdir U)
51 @[ -d cache ] || ( echo Creating tmp dir cache; mkdir cache)
58 all: $(addprefix L/,$(shell cat links))
61 # could also do make ++SLICE
62 showslice: ++SLICE FORCE
65 @$(foreach id,$(ALL_NODE_IDS),echo $(id)=$(call display,$(id));)
68 sshchecks: $(foreach id,$(ALL_NODE_IDS),cache/sshcheck.$(id))
71 dbs: $(foreach id,$(ALL_NODE_IDS),cache/db.$(id))
74 switchs: $(foreach id,$(ALL_NODE_IDS),cache/switch.$(id))
80 stop:$(foreach id,$(ALL_NODE_IDS),cache/stop.$(id))
83 status:$(foreach id,$(ALL_NODE_IDS),cache/status.$(id))
86 ### node-oriented targets
87 # check ssh connectivity
88 cache/sshcheck.%: FORCE
89 @if $(SSH) $(HOST_$*) hostname 2> /dev/null; then echo "ssh on" $(call display,$*) "OK" ; \
90 else echo "ssh on" $(call display,$*) "KO !!!"; fi
92 # should probably replace sshcheck
94 @echo "=== DB and SWITCH processes on $(call display,$*)"
95 @$(SSH) $(HOST_$*) $(SUDO) sliver-ovs status
98 @echo "IP lookup for $(call display,$*)"
99 @host $(HOST_$*) | sed -n 's/^.*has address *//p' > $@
102 @echo "Starting db server on $(call display,$*) - logs in $@.log"
103 @$(SSH) $(HOST_$*) $(SUDO) sliver-ovs start-db &> $@.log && touch $@
105 cache/switch.%: cache/db.%
106 @echo "Starting vswitchd on $(call display,$*) - logs in $@.log"
107 @$(SSH) $(HOST_$*) $(SUDO) sliver-ovs start-switch &> $@.log && touch $@
109 cache/bridge.%: cache/switch.%
110 @echo "Creating bridge on $(call display,$*) - logs in $@.log"
111 @$(SSH) $(HOST_$*) $(SUDO) sliver-ovs create-bridge $(IP_$*) > $@.log && touch $@
113 # xxx this probably needs a more thorough cleanup in cache/
114 cache/stop.%: del-bridge.%
115 @echo "Stopping switch & db on $(call display,$*)"
116 @$(SSH) $(HOST_$*) $(SUDO) sliver-ovs stop && rm cache/switch.% cache/db.%
118 ### link-oriented targets
119 L/%: cache/link.%@1 cache/link.%@2
121 @echo "Created link $*"
123 U/%: del-iface.%@1 del-iface.%@2
125 @echo "Deleted link $*"
127 del-bridge.%: cache/db.%
128 @echo "Deleting bridge on $(call display,$*)"
129 @if [ -f cache/bridge.$* ]; then \
130 $(SSH) $(HOST_$*) $(SUDO) sliver-ovs del-bridge $$(cat cache/bridge.$*);\
132 @rm -f cache/bridge.$* \
133 cache/iface.$*$(SEP)*@1 cache/iface.*$(SEP)$*@2 \
134 cache/link.$*$(SEP)*@? cache/link.*$(SEP)$*@? \
135 L/$*$(SEP)* L/*$(SEP)$*
137 del-switch.%: del-bridge.%
138 @echo "Shutting down switch on $(call display,$*)"
139 @if [ -f cache/switch.$* ]; then \
140 $(SSH) $(HOST_$*) $(SUDO) ovs-appctl exit;\
142 @rm -f cache/switch.$*
145 @echo "Shutting down db on $(call display,$*)"
146 @if [ -f cache/db.$* ]; then \
147 $(SSH) $(HOST_$*) $(SUDO) ovs-appctl --target=$(VARRUN)/ovsdb-server.$$(cat cache/db.$*).ctl exit;\
151 del-links: $(addprefix U/,$(notdir $(wildcard L/*)))
153 del-switchs: $(addprefix del-,$(notdir $(wildcard cache/switch.*)))
155 del-dbs: $(addprefix del-,$(notdir $(wildcard cache/db.*)))
157 shutdown: del-switches del-dbs
159 .PHONY: del-links del-switchs del-dbs shutdown
163 ( echo "digraph $(SLICE) {"; ls L | sed 's/$(SEP)/->/;s/$$/;/'; echo "}" ) > $@
168 clean: $(addprefix del-,$(notdir $(wildcard cache/bridge.*)))
172 .PHONY: clean distclean
176 del-iface.%: cache/db.$$(call get,%)
177 @echo "Removing interface for link $(call proj1,$*) from $(call get,$*)"
178 @$(SSH) $(HOST_$(call get,$*)) \
179 $(SUDO) sliver-ovs del-port L$(call proj1,$*)
180 @rm -f cache/iface.$* cache/link.$* cache/link.$(call opp,$*)
184 cache/iface.%: cache/bridge.$$(call get,%)
185 @echo "Creating interface for link $(call proj1,$*) on $(call get,$*)"
186 @$(SSH) $(HOST_$(call get,$*)) \
187 $(SUDO) sliver-ovs create-port $$(cat $^) L$(call proj1,$*) > $@ \
188 || { rm $@; exit 1; }
190 cache/link.%: cache/host.$$(call rget,$$*) cache/iface.% cache/iface.$$(call opp,$$*)
191 @echo "Setting port number of link $(call proj1,$*) on $(call get,$*)"
192 @$(SSH) $(HOST_$(call get,$*)) \
193 $(SUDO) ovs-vsctl set interface L$(call proj1,$*) \
194 options:remote_ip=$$(cat cache/host.$(call rget,$*)) \
195 options:remote_port=$$(cat cache/iface.$(call opp,$*)) \
198 #################### convenience, for debugging only
199 # make +foo : prints the value of $(foo)
200 # make ++foo : idem but verbose, i.e. foo=$(foo)
201 ++%: varname=$(subst +,,$@)
203 @echo "$(varname)=$($(varname))"
204 +%: varname=$(subst +,,$@)
206 @echo "$($(varname))"