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 $(SSH_OPTIONS)
42 ALL_NODE_IDS=$(shell (cut -d- -f1 < links; cut -d- -f2 < links) | sort -u)
47 @[ -d L ] || ( echo Creating tmp dir L; mkdir L)
48 @[ -d U ] || ( echo Creating tmp dir U; mkdir U)
49 @[ -d cache ] || ( echo Creating tmp dir cache; mkdir cache)
56 all: $(addprefix L/,$(shell cat links))
59 # could also do make ++SLICE
60 showslice: ++SLICE FORCE
63 @$(foreach id,$(ALL_NODE_IDS),echo $(id)=$(call display,$(id));)
66 sshchecks: $(foreach id,$(ALL_NODE_IDS),cache/sshcheck.$(id))
69 dbs: $(foreach id,$(ALL_NODE_IDS),cache/db.$(id))
72 switchds: $(foreach id,$(ALL_NODE_IDS),cache/switchd.$(id))
75 ### node-oriented targets
77 @echo "IP lookup for $(call display,$*)"
78 @host $(HOST_$*) | sed -n 's/^.*has address *//p' > $@
81 @echo "Starting db server on $(call display,$*)"
82 @$(SSH) $(HOST_$*) sudo sliver-ovs start-db > $@ \
85 cache/switchd.%: cache/db.%
86 @echo "Starting vswitchd on $(call display,$*)"
87 @$(SSH) $(HOST_$*) sudo sliver-ovs start-switch > $@ \
90 cache/bridge.%: cache/switchd.%
91 @echo "Creating bridge on $(call display,$*)"
92 @$(SSH) $(HOST_$*) sudo sliver-ovs create-bridge $(IP_$*) > $@ \
95 cache/sshcheck.%: FORCE
96 @if $(SSH) $(HOST_$*) hostname 2> /dev/null; then echo "ssh on" $(call display,$*) "OK" ; \
97 else echo "ssh on" $(call display,$*) "KO !!!"; fi
99 ### link-oriented targets
100 L/%: cache/link.%@1 cache/link.%@2
102 @echo "Created link $*"
104 U/%: del-iface.%@1 del-iface.%@2
106 @echo "Deleted link $*"
108 del-bridge.%: cache/db.%
109 @echo "Deleting bridge on $(call display,$*)"
110 @if [ -f cache/bridge.$* ]; then \
111 $(SSH) $(HOST_$*) sudo sliver-ovs del-bridge $$(cat cache/bridge.$*);\
113 @rm -f cache/bridge.$* \
114 cache/iface.$*$(SEP)*@1 cache/iface.*$(SEP)$*@2 \
115 cache/link.$*$(SEP)*@? cache/link.*$(SEP)$*@? \
116 L/$*$(SEP)* L/*$(SEP)$*
118 del-switchd.%: del-bridge.%
119 @echo "Shutting down switchd on $(call display,$*)"
120 @if [ -f cache/switchd.$* ]; then \
121 $(SSH) $(HOST_$*) sudo ovs-appctl exit;\
123 @rm -f cache/switchd.$*
126 @echo "Shutting down db on $(call display,$*)"
127 @if [ -f cache/db.$* ]; then \
128 $(SSH) $(HOST_$*) sudo ovs-appctl --target=$(VARRUN)/ovsdb-server.$$(cat cache/db.$*).ctl exit;\
132 del-links: $(addprefix U/,$(notdir $(wildcard L/*)))
134 del-switchds: $(addprefix del-,$(notdir $(wildcard cache/switchd.*)))
136 del-dbs: $(addprefix del-,$(notdir $(wildcard cache/db.*)))
138 shutdown: del-switches del-dbs
140 .PHONY: del-links del-switchds del-dbs shutdown
144 ( echo "digraph $(SLICE) {"; ls L | sed 's/$(SEP)/->/;s/$$/;/'; echo "}" ) > $@
149 clean: $(addprefix del-,$(notdir $(wildcard cache/bridge.*)))
153 .PHONY: clean distclean
157 del-iface.%: cache/db.$$(call get,%)
158 @echo "Removing interface for link $(call proj1,$*) from $(call get,$*)"
159 @$(SSH) $(HOST_$(call get,$*)) \
160 sudo sliver-ovs del-port L$(call proj1,$*)
161 @rm -f cache/iface.$* cache/link.$* cache/link.$(call opp,$*)
165 cache/iface.%: cache/bridge.$$(call get,%)
166 @echo "Creating interface for link $(call proj1,$*) on $(call get,$*)"
167 @$(SSH) $(HOST_$(call get,$*)) \
168 sudo sliver-ovs create-port $$(cat $^) L$(call proj1,$*) > $@ \
169 || { rm $@; exit 1; }
171 cache/link.%: cache/host.$$(call rget,$$*) cache/iface.% cache/iface.$$(call opp,$$*)
172 @echo "Setting port number of link $(call proj1,$*) on $(call get,$*)"
173 @$(SSH) $(HOST_$(call get,$*)) \
174 sudo ovs-vsctl set interface L$(call proj1,$*) \
175 options:remote_ip=$$(cat cache/host.$(call rget,$*)) \
176 options:remote_port=$$(cat cache/iface.$(call opp,$*)) \
179 #################### convenience, for debugging only
180 # make +foo : prints the value of $(foo)
181 # make ++foo : idem but verbose, i.e. foo=$(foo)
182 ++%: varname=$(subst +,,$@)
184 @echo "$(varname)=$($(varname))"
185 +%: varname=$(subst +,,$@)
187 @echo "$($(varname))"