Install CouchDB 2.0 Ubuntu 16.04

couchdb.service

# /etc/systemd/system/couchdb.service

[Unit]
Description=Couchdb service
After=network.target

[Service]
Type=simple
User=couchdb
ExecStart=/opt/couchdb/bin/couchdb -o /dev/stdout -e /dev/stderr
Restart=always

[Install]
WantedBy=multi-user.target

install-couchdb-lucene.sh

add-apt-repository -y ppa:webupd8team/java
apt-get update
apt-get install -y maven git-core oracle-java8-installer

&& git clone [email protected]:juliobetta/couchdb-lucene.git \
&& cd couchdb-lucene \
&& mvn \
&& unzip couchdb-lucene-experimental-SNAPSHOT-dist.zip \
&& mv couchdb-lucene-experimental-SNAPSHOT /opt/couchdb-lucene

sed -e 's/^host=localhost$/host=0.0.0.0/' -i /opt/couchdb-lucene/conf/couchdb-lucene.ini
sed -e 's/^DAEMON=\/usr\/local\/couchdb-lucene-0.8.0\/bin\/run$/DAEMON=\/opt\/couchdb-lucene\/bin\/run/' -i /opt/couchdb-lucene/tools/etc/init.d/couchdb-lucene/couchdb-lucene
sed -e 's/^DESC="Description of the service"$/DESC="CouchDB Lucene"/' -i /opt/couchdb-lucene/tools/etc/init.d/couchdb-lucene/couchdb-lucene

cp /opt/couchdb-lucene/tools/etc/init.d/couchd-lucene/couchdb-lucene /etc/init.d
&& chmod +x /etc/init.d/couchdb-lucene

update-rc.d couchdb-lucene defaults 95

service couchdb-lucene start
 

install.sh

#!/bin/bash
apt-get --no-install-recommends -y install build-essential pkg-config erlang libicu-dev libmozjs185-dev libcurl4-openssl-dev
apt-get -y install nginx mosh redis-server htop python-software-properties

sed -i.bak 's/bind 127.0.0.1/bind 0.0.0.0/g' /etc/redis/redis.conf
service redis-server restart

# Fauxton dependecies ##############################################################
curl -sL https://deb.nodesource.com/setup_6.x | sudo -E bash -
apt-get install nodejs
npm install graceful-fs minimatch uuid coffee-script jshint node-gyp node-ninja tough-cookie babel-cli pm2 -g
####################################################################################

git clone https://github.com/apache/couchdb.git
cd couchdb && ./configure --disable-docs
make release
adduser --disabled-login --disabled-password --no-create-home --gecos "" couchdb
cp -R /root/couchdb/rel/couchdb /opt
chown -R couchdb:couchdb /opt/couchdb
find /opt/couchdb -type d -exec chmod 0770 {} \;
chmod 0644 /opt/couchdb/etc/*

apt-get install systemd libpam-systemd systemd-ui
systemctl  daemon-reload
systemctl  start couchdb.service
systemctl  enable couchdb.service
# check if service is running
journalctl -u couchdb.service

# Configure SWAP ####################################################################################
fallocate -l 4G /swapfile
chmod 600 /swapfile
mkswap /swapfile
swapon /swapfile
swapon -s
sysctl vm.swappiness=10
sysctl vm.vfs_cache_pressure=50
echo 'vm.swappiness = 10' >> /etc/sysctl.conf
echo 'vm.vfs_cache_pressure = 50' >> /etc/sysctl.conf
echo '/swapfile   none    swap    sw    0   0' >> /etc/fstab
#####################################################################################################

# do not forget to check UFW rules
# allow private and public ip from any other machines linked to the server to port 5984
# allow private ip from any other machines linked to the server to port 80
# allow port shh and mosh, or not, in case using knock

local.ini

; /opt/couchdb/etc/local.ini

; CouchDB Configuration Settings

; Custom settings should be made in this file. They will override settings
; in default.ini, but unlike changes made to default.ini, this file won't be
; overwritten on server upgrade.

[couchdb]
;max_document_size = 4294967296 ; bytes
;os_process_timeout = 5000
; WARNING: generate a UUID here https://www.uuidgenerator.net/
uuid = autogenerated
max_dbs_open = 1024

[couch_peruser]
; If enabled, couch_peruser ensures that a private per-user database
; exists for each document in _users. These databases are writable only
; by the corresponding user. Databases are in the following form:
; userdb-{hex encoded username}
enable = true
; If set to true and a user is deleted, the respective database gets
; deleted as well.
;delete_dbs = true

[chttpd]
port = 5984
;bind_address = 10.128.12.163
bind_address = 0.0.0.0
; Options for the MochiWeb HTTP server.
;server_options = [{backlog, 128}, {acceptor_pool_size, 16}]
; For more socket options, consult Erlang's module 'inet' man page.
;socket_options = [{recbuf, 262144}, {sndbuf, 262144}, {nodelay, true}]
; Options for the MochiWeb HTTP server.
server_options = [{backlog, 128}, {acceptor_pool_size, 16}]
; For more socket options, consult Erlang's module 'inet' man page.
socket_options = [{recbuf, 262144}, {sndbuf, 262144}, {nodelay, true}]

[httpd]
; NOTE that this only configures the "backend" node-local port, not the
; "frontend" clustered port. You probably don't want to change anything in
; this section.
; Uncomment next line to trigger basic-auth popup on unauthorized requests.
WWW-Authenticate = Basic realm="administrator"

; Uncomment next line to set the configuration modification whitelist. Only
; whitelisted values may be changed via the /_config URLs. To allow the admin
; to change this value over HTTP, remember to include {httpd,config_whitelist}
; itself. Excluding it from the list would require editing this file to update
; the whitelist.
;config_whitelist = [{httpd,config_whitelist}, {log,level}, {etc,etc}]
enable_cors = true
;bind_address = 10.128.12.163
bind_address = 0.0.0.0
server_options = [{backlog, 128}, {acceptor_pool_size, 16}]
socket_options = [{recbuf, 262144}, {sndbuf, 262144}, {nodelay, true}]
;x_forwarded_host = X-Forwarded-Host
;x_forwarded_proto = X-Forwarded-Proto
;x_forwarded_ssl = X-Forwarded-Ssl
; 3 minutes = 3 * 60 * 1000 = 180000
changes_timeout = 180000
;Note that writer = stderr fits (seems to) with the systemd startup script described in the couchdb installation part in this documentation
;[log]
;level = debug
writer = stderr
level = warning
authentication_handlers = {couch_httpd_oauth, oauth_authentication_handler}, {couch_httpd_auth, cookie_authentication_handler}, {couch_httpd_auth, default_authentication_handler}

[query_servers]
;nodejs = /usr/local/bin/couchjs-node /path/to/couchdb/share/server/main.js


[httpd_global_handlers]
;_google = {couch_httpd_proxy, handle_proxy_req, <<"http://www.google.com">>}

[couch_httpd_auth]
; If you set this to true, you should also uncomment the WWW-Authenticate line
; above. If you don't configure a WWW-Authenticate header, CouchDB will send
; Basic realm="server" in order to prevent you getting logged out.
require_valid_user = true

; WARNING: generate a Secret Key here http://passwordsgenerator.net/
secret = MySecret
allow_persistent_cookies = true

; 14 days = 14 * 24 * 60 * 60 = 1209600 seconds
timeout = 1209600
auth_cache_size = 1000

[os_daemons]
; For any commands listed here, CouchDB will attempt to ensure that
; the process remains alive. Daemons should monitor their environment
; to know when to exit. This can most easily be accomplished by exiting
; when stdin is closed.
;foo = /path/to/command -with args

[daemons]
; enable SSL support by uncommenting the following line and supply the PEM's below.
; the default ssl port CouchDB listens on is 6984
; httpsd = {chttpd, start_link, [https]}

[ssl]
;cert_file = /full/path/to/server_cert.pem
;key_file = /full/path/to/server_key.pem
;password = somepassword
; set to true to validate peer certificates
;verify_ssl_certificates = false
; Set to true to fail if the client does not send a certificate. Only used if verify_ssl_certificates is true.
;fail_if_no_peer_cert = false
; Path to file containing PEM encoded CA certificates (trusted
; certificates used for verifying a peer certificate). May be omitted if
; you do not want to verify the peer.
;cacert_file = /full/path/to/cacertf
; The verification fun (optional) if not specified, the default
; verification fun will be used.
;verify_fun = {Module, VerifyFun}
; maximum peer certificate depth
;ssl_certificate_max_depth = 1
;
; Reject renegotiations that do not live up to RFC 5746.
;secure_renegotiate = true
; The cipher suites that should be supported.
; Can be specified in erlang format "{ecdhe_ecdsa,aes_128_cbc,sha256}"
; or in OpenSSL format "ECDHE-ECDSA-AES128-SHA256".
;ciphers = ["ECDHE-ECDSA-AES128-SHA256", "ECDHE-ECDSA-AES128-SHA"]
; The SSL/TLS versions to support
;tls_versions = [tlsv1, 'tlsv1.1', 'tlsv1.2']

; To enable Virtual Hosts in CouchDB, add a vhost = path directive. All requests to
; the Virual Host will be redirected to the path. In the example below all requests
; to http://example.com/ are redirected to /database.
; If you run CouchDB on a specific port, include the port number in the vhost:
; example.com:5984 = /database
[vhosts]
;api.datagenno.com = /couchdb2/

[update_notification]
;unique notifier name=/full/path/to/exe -with "cmd line arg"

; To create an admin account uncomment the '[admins]' section below and add a
; line in the format 'username = password'. When you next start CouchDB, it
; will change the password to a hash (so that your passwords don't linger
; around in plain-text files). You can add more admin accounts with more
; 'username = password' lines. Don't forget to restart CouchDB after
; changing this.
[admins]
; WARNING: generate a Password here http://passwordsgenerator.net/
admin = password

[replicator]
; 3 minutes = 3 * 60 * 1000 = 180000
connection_timeout = 180000
use_checkpoints = true

; adjust this to your situation
worker_batch_size = 2000

[compactions]
_default =  [{db_fragmentation,"70%"},{view_fragmentation,"60%"},{from,"00:00"},{to,"06:00"}]

[cors]
; See also https://github.com/pouchdb/add-cors-to-couchdb
; Note: the Fauxton cors settings are slightly different
origins = *
credentials = true
headers = accept, authorization, content-type, origin, cookie, referer, x-csrf-token
methods = GET, OPTIONS, HEAD, PUT, POST, DELETE, TRACE

migrate-to-2.1.1.sh

#!/bin/bash
service couchdb stop
cd ~/ && mkdir couchdb
curl -fSL https://dist.apache.org/repos/dist/release/couchdb/source/2.1.1/apache-couchdb-2.1.1.tar.gz -o couchdb.tar.gz
tar -xzf couchdb.tar.gz -C couchdb --strip-components=1
cd couchdb
./configure --disable-docs
make release
mv /opt/couchdb /opt/couchdb-old
mv ./rel/couchdb /opt/couchdb
cp -R /opt/couchdb-old/data /opt/couchdb
cp -R /opt/couchdb-old/etc/local.ini /opt/couchdb/etc
cp -R /opt/couchdb-old/etc/vm.args /opt/couchdb/etc
chown -R couchdb:couchdb /opt/couchdb
find /opt/couchdb -type d -exec chmod 0770 {} \;
chmod 0644 /opt/couchdb/etc/*
service couchdb start

rollback-to-2.0.0.sh

#!/bin/bash
service couchdb stop
mv /opt/couchdb /opt/couchdb-new
mv ./rel/couchdb-old /opt/couchdb
cp -R /opt/couchdb-new/data /opt/couchdb
chown -R couchdb:couchdb /opt/couchdb
find /opt/couchdb -type d -exec chmod 0770 {} \;
chmod 0644 /opt/couchdb/etc/*
service couchdb start