chiark - git - mdw - zones/blob - Makefile.m4

   1 ### Makefile for mdw's zones
   2 ###
   3 ### Preprocessed with m4, for the sake of madness
   4
   5 m4_divert(-1)
   6 ###--------------------------------------------------------------------------
   7 ### M4 trickery.
   8
   9 m4_changequote([, ])
  10 m4_define([_dolist], [m4_pushdef([$1])__loop($@)m4_popdef([$1])])
  11 m4_define([__loop], [m4_ifelse([$2], [()], ,m4_dnl
  12 [m4_define([$1], __first$2)$3[]__loop([$1],(m4_shift$2),[$3])])])
  13 m4_define([__first], [$1])
  14
  15 m4_define([DOMAIN], [m4_dnl
  16 m4_pushdef([_undivert], [m4_divert(]m4_divnum[)m4_popdef([_undivert])])m4_dnl
  17 m4_divert(10)m4_dnl
  18 $1_SUBNETS = _dolist([_subnet], [($2)], [ _subnet])
  19 $1_ZONES = _dolist([_zone], [($3)], [ _zone])
  20 $1_ZONE_FILES = _dolist([_subnet], [($2)],
  21         [_dolist([_zone], [($3)], [ _subnet/_zone.zone])])
  22 ALL_SUBNETS += $($1_SUBNETS)
  23 ALL_ZONES += $($1_ZONES)
  24 ALL_ZONE_FILES += $($1_ZONE_FILES)
  25 m4_divert(30)m4_dnl
  26 $($1_ZONE_FILES): $1.lisp $(ZONEDEPS)
  27         mkdir -p $($1_SUBNETS)m4_dnl
  28 _dolist([_subnet], [($2)], [
  29         $(ZONE) -d _subnet/ -f subnet/_subnet -s _subnet $1.lisp])
  30 _undivert[]m4_dnl
  31 ])
  32
  33 m4_divert(-1)
  34 ###--------------------------------------------------------------------------
  35 ### Domains.
  36
  37 DOMAIN([distorted], [inet, fretwank],
  38         [distorted.org.uk, dhcp.distorted.org.uk,
  39          198.29.172.in-addr.arpa, wireless.198.29.172.in-addr.arpa,
  40          199.29.172.in-addr.arpa, dhcp.199.29.172.in-addr.arpa])
  41 DOMAIN([harlequin], [inet, fretwank], [harlequin.org.uk])
  42
  43 m4_divert(0)
  44 ###--------------------------------------------------------------------------
  45 ### Make configuration.
  46
  47 ZONE = zone
  48
  49 ALL_ZONES =
  50 ALL_ZONE_FILES =
  51 ALL_SUBNETS =
  52
  53 PUBLISH = publish
  54
  55 ZONEDEPS = hosts.lisp
  56
  57 DOCS = distorted.tex
  58 DOC_OUTPUTS = $(foreach suffix,dvi ps,\
  59                 $(patsubst %.tex,%.$(suffix),$(DOCS)))
  60
  61 m4_divert(20)
  62 ###--------------------------------------------------------------------------
  63 ### Rules
  64
  65 all: $(ALL_ZONE_FILES) $(DOC_OUTPUTS)
  66
  67 install: all
  68         ##
  69         ## Make directories
  70         rm -rf $(PUBLISH).new
  71         mkdir $(PUBLISH).new
  72         cd $(PUBLISH).new && mkdir $(sort $(ALL_SUBNETS))
  73         ##
  74         ## Copy zone files to output
  75         for i in $(ALL_ZONE_FILES); do \
  76           cp $$i $(PUBLISH).new/$$i; \
  77         done
  78         ##
  79         ## Make links as necessary
  80         cd $(PUBLISH).new; \
  81         for i in $(sort $(ALL_SUBNETS)); do \
  82           test $$i = inet && continue; \
  83           for z in $(sort $(ALL_ZONES)); do \
  84             test -f $$i/$$z.zone || ln -s ../inet/$$z.zone $$i/$$z.zone; \
  85           done; \
  86         done
  87         ##
  88         ## Switch over
  89         rm -rf $(PUBLISH).old
  90         mv $(PUBLISH) $(PUBLISH).old
  91         mv $(PUBLISH).new $(PUBLISH)
  92         ##
  93         ## Get nameserver to reload changed zones
  94         for i in $(sort $(ALL_SUBNETS)); do \
  95           for z in $(sort $(ALL_ZONES)); do \
  96             cmp $(PUBLISH)/$$i/$$z.zone $(PUBLISH).old/$$i/$$z.zone \
  97                 >/dev/null 2>&1 && continue; \
  98             echo -n "$$z ($$i): "; \
  99             userv root named-reload $$z $$i; \
 100           done; \
 101         done
 102         ##
 103         ## Clear up mess
 104         rm -rf $(PUBLISH).old
 105
 106 %.dvi: %.tex
 107         latex $<
 108         latex $<
 109
 110 %.ps: %.dvi
 111         dvips -o $@ $<
 112
 113 m4_divert(40)
 114 Makefile: Makefile.m4
 115         m4 -P $< >$@.new
 116         mv $@.new $@
 117
 118 clean:
 119         rm -f $(ALL_ZONE_FILES) *.toc *.lof *.lot *.log *.dvi *.ps *.aux
 120         rmdir $(sort $(ALL_SUBNETS))
 121
 122 ###----- That's all, folks --------------------------------------------------