wohali closed pull request #105: Add Cluster Parameter Variables
URL: https://github.com/apache/couchdb-docker/pull/105
This is a PR merged from a forked repository.
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the sake of provenance:
As this is a foreign pull request (from a fork), the diff is supplied
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diff --git a/2.2.0/docker-entrypoint.sh b/2.2.0/docker-entrypoint.sh
index 4ba69b4..d1d80b9 100755
--- a/2.2.0/docker-entrypoint.sh
+++ b/2.2.0/docker-entrypoint.sh
@@ -54,6 +54,24 @@ if [ "$1" = '/opt/couchdb/bin/couchdb' ]; then
fi
fi
+ if ! grep -Pzoqr "\[cluster\]\n" /opt/couchdb/etc/local.d/*.ini; then
+ if [ "$COUCHDB_CLUSTER_Q" ]; then
+ APPEND+="q=$COUCHDB_CLUSTER_Q\n"
+ fi
+ if [ "$COUCHDB_CLUSTER_N" ]; then
+ APPEND+="n=$COUCHDB_CLUSTER_N\n"
+ fi
+ if [ "$COUCHDB_CLUSTER_W" ]; then
+ APPEND+="w=$COUCHDB_CLUSTER_W\n"
+ fi
+ if [ "$COUCHDB_CLUSTER_R" ]; then
+ APPEND+="r=$COUCHDB_CLUSTER_R\n"
+ fi
+ if [ ! -z "$APPEND" ]; then
+ echo -e "[cluster]\n$APPEND" >>
/opt/couchdb/etc/local.d/docker.ini
+ fi
+ fi
+
chown -f couchdb:couchdb /opt/couchdb/etc/local.d/docker.ini || true
# if we don't find an [admins] section followed by a non-comment,
display a warning
diff --git a/README.md b/README.md
index c2497d5..60e51eb 100644
--- a/README.md
+++ b/README.md
@@ -43,6 +43,7 @@ In addition, a few environment variables are provided to set
very common paramet
* `COUCHDB_USER` and `COUCHDB_PASSWORD` will create an ini-file based local
admin user with the given username and password in the file
`/opt/couchdb/etc/local.d/docker.ini`.
* `COUCHDB_SECRET` will set the CouchDB shared cluster secret value, in the
file `/opt/couchdb/etc/local.d/docker.ini`.
* `NODENAME` will set the name of the CouchDB node inside the container to
`couchdb@${NODENAME}`, in the file `/opt/couchdb/etc/vm.args`. This is used for
clustering purposes and can be ignored for single-node setups.
+* `COUCHDB_CLUSTER_Q` `COUCHDB_CLUSTER_N` `COUCHDB_CLUSTER_R` and
`COUCHDB_CLUSTER_W` will set the appropriate cluster settings in the file
`/opt/couchdb/etc/local.d/docker.ini`.
If other configuration settings are desired, externally mount
`/opt/couchdb/etc` and provide `.ini` configuration files under the
`/opt/couchdb/etc/local.d` directory.
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