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annotate docker_legacy/base/scripts/add_host @ 164:29873a41aae1

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docker: new docker files are now in sat main repos, this one is legacy
author Goffi <goffi@goffi.org>
date Fri, 01 Jan 2021 18:33:52 +0100
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164
29873a41aae1 docker: new docker files are now in sat main repos, this one is legacy
Goffi <goffi@goffi.org>
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1 #!/usr/bin/env python2
29873a41aae1 docker: new docker files are now in sat main repos, this one is legacy
Goffi <goffi@goffi.org>
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2 # this script add aliases to /etc/hosts
29873a41aae1 docker: new docker files are now in sat main repos, this one is legacy
Goffi <goffi@goffi.org>
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3 import sys, re
29873a41aae1 docker: new docker files are now in sat main repos, this one is legacy
Goffi <goffi@goffi.org>
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4
29873a41aae1 docker: new docker files are now in sat main repos, this one is legacy
Goffi <goffi@goffi.org>
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5 if len(sys.argv) < 2 or len(sys.argv) > 3:
29873a41aae1 docker: new docker files are now in sat main repos, this one is legacy
Goffi <goffi@goffi.org>
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6 sys.exit(1)
29873a41aae1 docker: new docker files are now in sat main repos, this one is legacy
Goffi <goffi@goffi.org>
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7
29873a41aae1 docker: new docker files are now in sat main repos, this one is legacy
Goffi <goffi@goffi.org>
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8 host = sys.argv[1]
29873a41aae1 docker: new docker files are now in sat main repos, this one is legacy
Goffi <goffi@goffi.org>
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9 alias = sys.argv[2] if len(sys.argv) == 3 else "localhost"
29873a41aae1 docker: new docker files are now in sat main repos, this one is legacy
Goffi <goffi@goffi.org>
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10
29873a41aae1 docker: new docker files are now in sat main repos, this one is legacy
Goffi <goffi@goffi.org>
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11 if host == "localhost" or host == alias:
29873a41aae1 docker: new docker files are now in sat main repos, this one is legacy
Goffi <goffi@goffi.org>
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12 sys.exit(0)
29873a41aae1 docker: new docker files are now in sat main repos, this one is legacy
Goffi <goffi@goffi.org>
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13
29873a41aae1 docker: new docker files are now in sat main repos, this one is legacy
Goffi <goffi@goffi.org>
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14 print "Adding host {} as an alias of {}".format(host, alias)
29873a41aae1 docker: new docker files are now in sat main repos, this one is legacy
Goffi <goffi@goffi.org>
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15 with open("/etc/hosts", "r+") as f:
29873a41aae1 docker: new docker files are now in sat main repos, this one is legacy
Goffi <goffi@goffi.org>
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16 buf = re.sub(r"\b{}\b".format(alias), "{}\t{}".format(alias, host), f.read(), 1)
29873a41aae1 docker: new docker files are now in sat main repos, this one is legacy
Goffi <goffi@goffi.org>
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17 f.seek(0)
29873a41aae1 docker: new docker files are now in sat main repos, this one is legacy
Goffi <goffi@goffi.org>
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18 f.write(buf)