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ipfs service: dataDir backwards compatibility (#25782)

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Fixes dataDir existance detection. Fixes #25759, #26069.
This commit is contained in:
Silvan Mosberger 2017-05-24 20:51:02 +02:00 committed by Franz Pletz
parent 179c504a66
commit df8a7d956d
2 changed files with 22 additions and 10 deletions
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10
nixos/doc/manual/release-notes/rl-1709.xml
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@ -68,6 +68,16 @@ following incompatible changes:</para>
<literal>db-config.sqlite</literal> which will be automatically recreated.
</para>
</listitem>
<listitem>
<para>
The ipfs package now doesn't ignore the <literal>dataDir</literal> option anymore. If you've ever set this option to anything other than the default you'll have to either unset it (so the default gets used) or migrate the old data manually with
<programlisting>
dataDir=&lt;valueOfDataDir&gt;
mv /var/lib/ipfs/.ipfs/* $dataDir
rmdir /var/lib/ipfs/.ipfs
</programlisting>
</para>
</listitem>
</itemizedlist>

22
nixos/modules/services/network-filesystems/ipfs.nix
View file

@ -9,7 +9,10 @@ let
ipfsFlags = ''${if cfg.autoMigrate then "--migrate" else ""} ${if cfg.enableGC then "--enable-gc" else ""} ${toString cfg.extraFlags}'';
pathEnv = { IPFS_PATH = cfg.dataDir; };
# Before Version 17.09, ipfs would always use "/var/lib/ipfs/.ipfs" as it's dataDir
defaultDataDir = if versionAtLeast config.system.stateVersion "17.09" then
"/var/lib/ipfs" else
"/var/lib/ipfs/.ipfs";
# Wrapping the ipfs binary with the environment variable IPFS_PATH set to dataDir because we can't set it in the user environment
wrapped = runCommand "ipfs" { buildInputs = [ makeWrapper ]; } ''
@ -42,7 +45,7 @@ in
dataDir = mkOption {
type = types.str;
default = "/var/lib/ipfs";
default = defaultDataDir;
description = "The data dir for IPFS";
};
@ -117,16 +120,15 @@ in
after = [ "local-fs.target" ];
before = [ "ipfs.service" "ipfs-offline.service" ];
environment.IPFS_PATH = cfg.dataDir;
path = [ pkgs.ipfs pkgs.su pkgs.bash ];
preStart = ''
install -m 0755 -o ${cfg.user} -g ${cfg.group} -d ${cfg.dataDir}
'';
environment = pathEnv;
script = ''
if [[ ! -d ${cfg.dataDir}/.ipfs ]]; then
if [[ ! -f ${cfg.dataDir}/config ]]; then
${ipfs}/bin/ipfs init ${optionalString cfg.emptyRepo "-e"}
fi
${ipfs}/bin/ipfs --local config Addresses.API ${cfg.apiAddress}
@ -151,9 +153,9 @@ in
conflicts = [ "ipfs-offline.service" ];
wants = [ "ipfs-init.service" ];
path = [ pkgs.ipfs ];
environment.IPFS_PATH = cfg.dataDir;
environment = pathEnv;
path = [ pkgs.ipfs ];
serviceConfig = {
ExecStart = "${ipfs}/bin/ipfs daemon ${ipfsFlags}";
@ -172,9 +174,9 @@ in
conflicts = [ "ipfs.service" ];
wants = [ "ipfs-init.service" ];
path = [ pkgs.ipfs ];
environment.IPFS_PATH = cfg.dataDir;
environment = pathEnv;
path = [ pkgs.ipfs ];
serviceConfig = {
ExecStart = "${ipfs}/bin/ipfs daemon ${ipfsFlags} --offline";