Files
ubuntu-post-install/services/mattermost.sh
T
Claude 74628f3736 Fix vaultwarden SMTP false-positive and mattermost DB password mismatch
vaultwarden: SMTP_PORT defaulted to "587" and SMTP_SECURITY was a
hardcoded "starttls" literal in the .env template, written
unconditionally regardless of whether SMTP_HOST was ever provided.
Confirmed live: skipping SMTP entirely (blank SMTP_HOST) still wrote
real values for those two, and Vaultwarden reads that as "some SMTP
config is present," refusing to start ("Both SMTP_HOST and SMTP_FROM
need to be set") even with host/from genuinely blank. Both now stay
empty unless SMTP_HOST is actually set.

mattermost: DB_PASS/MM_SECRET were only reused from the existing .env
when MODE=update — a "fresh" reinstall always generated a new
POSTGRES_PASSWORD. Confirmed live: choosing fresh after removing only
the mattermost app container (not the whole directory) regenerates the
password in .env while db/'s existing Postgres data still enforces the
OLD one from its first init (the entrypoint skips re-init on existing
data), causing "password authentication failed for user mattermost" on
every start. Whether db/ already has real data is what actually
determines whether the old password is still live, not which reinstall
mode was chosen — reuse the existing secrets whenever db/ is non-empty,
regardless of MODE.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01H4k6J1qXXyYxhGEgnJaMvn
2026-08-11 03:22:53 +00:00

761 lines
33 KiB
Bash

#!/bin/bash
# services/mattermost.sh — Team messaging with voice/video calls (Mattermost + coturn).
# Part of the modular post-install system (sourced by setup.sh).
#
# Can also be run standalone on any machine:
# sudo bash mattermost.sh
# (Docker must already be installed when run standalone)
# ── Standalone bootstrap ──────────────────────────────────────────────────────
# Detected when the script is executed directly rather than sourced by setup.sh.
# Sets up helpers and globals, then defers execution until after the function
# definition at the bottom of this file.
if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
[[ "$(id -u)" == "0" ]] || { echo "Run with sudo: sudo bash $0"; exit 1; }
_SELF_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
_COMMON="$_SELF_DIR/../lib/common.sh"
if [[ -f "$_COMMON" ]]; then
# Full repo present — use the real helpers (picks up ~/docker/.config too)
# shellcheck source=../lib/common.sh
source "$_COMMON"
else
# One-off copy — inline minimal stubs so the script works without the repo
log_info() { echo -e "\033[0;34m[INFO]\033[0m $*"; }
log_success() { echo -e "\033[0;32m[OK]\033[0m $*"; }
log_warning() { echo -e "\033[1;33m[WARN]\033[0m $*"; }
log_error() { echo -e "\033[0;31m[ERROR]\033[0m $*" >&2; }
require_docker() {
command -v docker &>/dev/null || {
log_error "Docker not found. Install it first:"
log_error " curl -fsSL https://get.docker.com | sudo sh"
return 1
}
docker compose version &>/dev/null || {
log_error "Docker Compose plugin missing:"
log_error " sudo apt-get install -y docker-compose-plugin"
return 1
}
}
ensure_docker_dir_ownership() {
chown -R "$ACTUAL_USER:$ACTUAL_USER" "$@" 2>/dev/null || true
}
port_in_use() {
local _port="$1" _proto="${2:-tcp}"
local _flag="-tlnH"
[ "$_proto" = "udp" ] && _flag="-ulnH"
ss "$_flag" "sport = :${_port}" 2>/dev/null | grep -q .
}
find_free_port() {
local _varname="$1" _port="$2" _proto="${3:-tcp}"
while port_in_use "$_port" "$_proto"; do
_port=$((_port + 1))
done
eval "$_varname='$_port'"
}
# Match common.sh's eval-based pattern so local vars in install_* are set correctly
prompt_text() {
local _q="$1" _def="$2" _var="$3" _r
[[ "${UNATTENDED:-false}" == "true" ]] && { eval "$_var='$_def'"; return; }
read -r -p " $_q " _r
eval "$_var='${_r:-$_def}'"
}
prompt_yn() {
local _q="$1" _def="$2" _var="$3" _r
[[ "${UNATTENDED:-false}" == "true" ]] && { eval "$_var='$_def'"; return; }
read -r -p " $_q " _r
eval "$_var='${_r:-$_def}'"
}
configure_caddy_for_service() {
local _name="$1" _upstream="$2" _subdomain="$3" _extra="${4:-}"
local _caddy_dir="$DOCKER_DIR/caddy"
local _caddyfile="$_caddy_dir/Caddyfile"
# Remote Caddy support: if CADDY_REMOTE_HOST is set, operate on the
# remote machine via SSH instead of the local filesystem.
if [[ -n "${CADDY_REMOTE_HOST:-}" ]]; then
echo ""
local _do_caddy=""
read -r -p " Configure Caddy reverse proxy for $_name on $CADDY_REMOTE_HOST? [y/N]: " _do_caddy
[[ "${_do_caddy,,}" == "y" ]] || {
log_info "Skipping — access at: http://$(hostname -I | awk '{print $1}'):${_upstream##*:}"
return 0
}
local _domain=""
read -r -p " Domain (e.g. ${_subdomain}.${SITE_DOMAIN:-example.com}): " _domain
[[ -n "$_domain" ]] || { log_warning "No domain entered — skipping Caddy."; return 0; }
local _block
_block="$(cat << CBLOCK
# $_name
$_domain {
reverse_proxy $_upstream
header {
Strict-Transport-Security "max-age=31536000; includeSubDomains; preload"
X-Content-Type-Options "nosniff"
X-Frame-Options "SAMEORIGIN"
Referrer-Policy "strict-origin-when-cross-origin"
}
log {
output file /var/log/caddy/${_domain}.log
format json
}
${_extra}
}
CBLOCK
)"
echo "$_block" | ssh "$CADDY_REMOTE_HOST" "cat >> $_caddyfile"
ssh "$CADDY_REMOTE_HOST" "docker exec caddy caddy fmt --overwrite /etc/caddy/Caddyfile 2>/dev/null || true"
if ssh "$CADDY_REMOTE_HOST" "docker exec caddy caddy reload --config /etc/caddy/Caddyfile 2>/dev/null"; then
log_success "$_name accessible at: https://$_domain"
else
log_warning "Reload failed — check: ssh $CADDY_REMOTE_HOST docker logs caddy"
fi
return 0
fi
if [[ ! -d "$_caddy_dir" ]]; then
log_info "Access $_name directly on port ${_upstream##*:}."
return 0
fi
echo ""
local _do_caddy=""
read -r -p " Configure Caddy reverse proxy for $_name? [y/N]: " _do_caddy
[[ "${_do_caddy,,}" == "y" ]] || {
log_info "Skipping — access at: http://localhost:${_upstream##*:}"
return 0
}
local _domain=""
read -r -p " Domain (e.g. ${_subdomain}.${SITE_DOMAIN:-example.com}): " _domain
[[ -n "$_domain" ]] || { log_warning "No domain entered — skipping Caddy."; return 0; }
# Back up before touching
if [[ -f "$_caddyfile" ]]; then
local _bk="$_caddy_dir/Caddyfile.backup.$(date +%Y%m%d-%H%M%S)"
cp "$_caddyfile" "$_bk"
log_info "Backed up Caddyfile to $(basename "$_bk")"
else
touch "$_caddyfile"
fi
# Remove existing block for this domain if present
if grep -q "^${_domain}" "$_caddyfile" 2>/dev/null; then
log_warning "$_domain already in Caddyfile"
local _ow=""
read -r -p " Overwrite? [y/N]: " _ow
[[ "${_ow,,}" == "y" ]] || { log_info "Keeping existing entry."; return 0; }
sed -i "/^${_domain}/,/^}/d" "$_caddyfile"
fi
cat >> "$_caddyfile" << CBLOCK
# $_name
$_domain {
reverse_proxy $_upstream
header {
Strict-Transport-Security "max-age=31536000; includeSubDomains; preload"
X-Content-Type-Options "nosniff"
X-Frame-Options "SAMEORIGIN"
Referrer-Policy "strict-origin-when-cross-origin"
}
log {
output file /var/log/caddy/${_domain}.log
format json
}
${_extra}
}
CBLOCK
log_success "Added $_domain to Caddyfile"
docker exec caddy caddy fmt --overwrite /etc/caddy/Caddyfile 2>/dev/null || true
if docker exec caddy caddy reload --config /etc/caddy/Caddyfile 2>/dev/null; then
log_success "$_name accessible at: https://$_domain"
else
log_warning "Reload failed — check: docker logs caddy"
log_info "Manual reload: docker exec caddy caddy reload --config /etc/caddy/Caddyfile"
fi
}
write_readme() {
local _dir="$1"
mkdir -p "$_dir"
[[ "${DRY_RUN:-false}" == "true" ]] && return 0
cat > "$_dir/README.md"
}
generate_password() {
local _len="${1:-32}"
tr -dc 'A-Za-z0-9' < /dev/urandom | head -c "$_len"
echo
}
fi
# Globals — ACTUAL_USER/ACTUAL_HOME must come before DOCKER_DIR
# ($HOME under sudo is /root, not the real user's home)
ACTUAL_USER="${ACTUAL_USER:-${SUDO_USER:-$USER}}"
ACTUAL_HOME="$(getent passwd "$ACTUAL_USER" 2>/dev/null | cut -d: -f6 || echo "${HOME:-/root}")"
DOCKER_DIR="${DOCKER_DIR:-$ACTUAL_HOME/docker}"
DRY_RUN="${DRY_RUN:-false}"
UNATTENDED="${UNATTENDED:-false}"
SITE_TZ="${SITE_TZ:-$(cat /etc/timezone 2>/dev/null || echo UTC)}"
SITE_DOMAIN="${SITE_DOMAIN:-example.com}"
SITE_CADDY_NET="${SITE_CADDY_NET:-caddy_net}"
CADDY_REMOTE_HOST="${CADDY_REMOTE_HOST:-}"
register_service() { :; } # no-op — no wizard to register into
_RUN_STANDALONE=1
fi
# ─────────────────────────────────────────────────────────────────────────────
register_service mattermost utilities "Team messaging with voice/video calls (Mattermost; TURN via the shared coturn service); supports multiple isolated instances" 8065
install_mattermost() {
require_docker || return 1
# ── Instance selection ──────────────────────────────────────────────────
# First instance keeps the plain "mattermost" name/paths/ports exactly as
# before (zero behavior change for anyone with a single instance). Only
# asking to add a second one introduces the suffixed naming.
local DIR="$DOCKER_DIR/mattermost"
local INSTANCE_SUFFIX="" PROJECT="mattermost"
local MM_CONTAINER="mattermost" DB_CONTAINER="mattermost-db"
local WEB_PORT="8065" CALLS_UDP_PORT="8443"
local COTURN_CONSUMER="mattermost"
if [ -d "$DIR" ]; then
echo ""
echo " Mattermost is already installed at $DIR."
echo " 1) Manage that install (update / full reinstall / cancel)"
echo " 2) Add a NEW, separate Mattermost instance alongside it (its own"
echo " server, database, and TURN credential — full isolation, not Teams)"
echo ""
local _TOP_CHOICE=""
prompt_text " Choice [1/2]:" "1" _TOP_CHOICE
if [ "$_TOP_CHOICE" = "2" ]; then
local _suffix=""
while true; do
prompt_text " Short name for the new instance (letters/numbers/hyphens, e.g. 'team-b'):" "" _suffix
_suffix="$(echo "$_suffix" | tr -cs 'a-zA-Z0-9-' '-' | sed 's/^-*//;s/-*$//')"
if [ -z "$_suffix" ]; then
log_warning "Name can't be empty."; continue
fi
if [ -d "$DOCKER_DIR/mattermost-$_suffix" ]; then
log_warning "mattermost-$_suffix already exists — pick another name."; continue
fi
break
done
INSTANCE_SUFFIX="$_suffix"
DIR="$DOCKER_DIR/mattermost-$_suffix"
PROJECT="mattermost-$_suffix"
MM_CONTAINER="mattermost-$_suffix"
DB_CONTAINER="mattermost-$_suffix-db"
COTURN_CONSUMER="mattermost-$_suffix"
log_info "New instance: $DIR"
fi
fi
# Free-port scan — runs unconditionally, not just when adding an explicit
# additional instance, so a plain first install also can't collide with
# an unrelated service that already claimed these default ports. Same
# pattern services/asterisk.sh uses for its web admin port. WEB_PORT is
# also set as Mattermost's own internal ListenAddress below (not just the
# host publish side), so configure_caddy_for_service's single upstream
# "name:port" string works unmodified in both local and remote-Caddy mode —
# it assumes host-published-port == container-internal-port, true for
# every other service in this repo and made true here too rather than
# special-casing the shared helper for one caller. See CLAUDE.md's "Port
# collision avoidance" section.
find_free_port WEB_PORT "$WEB_PORT"
find_free_port CALLS_UDP_PORT "$CALLS_UDP_PORT" udp
log_info "Installing Mattermost${INSTANCE_SUFFIX:+ ($INSTANCE_SUFFIX)}..."
if [ "$DRY_RUN" = true ]; then
echo "[DRY-RUN] Would create $DIR with docker-compose.yml"
echo "[DRY-RUN] Would write .env with DB and Mattermost secrets"
echo "[DRY-RUN] Would create data/ logs/ config/ plugins/ db/ subdirectories"
echo "[DRY-RUN] Would register a TURN user with the shared coturn service for '$COTURN_CONSUMER'"
echo "[DRY-RUN] (falling back to a dedicated coturn if the shared service is unavailable)"
echo "[DRY-RUN] Would open UFW ports ${WEB_PORT}/tcp, ${CALLS_UDP_PORT}/udp"
return 0
fi
# ── Existing install (this exact instance)? Offer update-in-place ───────
local MODE="fresh"
local _HAD_EMBEDDED_COTURN=false
if [[ -f "$DIR/docker-compose.yml" && -f "$DIR/.env" ]]; then
prompt_reinstall_mode MODE
grep -q '^ coturn:' "$DIR/docker-compose.yml" 2>/dev/null && _HAD_EMBEDDED_COTURN=true
case "$MODE" in
cancel)
log_info "Leaving the existing install as-is."
return 0
;;
fresh)
if [ "$_HAD_EMBEDDED_COTURN" = true ]; then
echo ""
log_warning "This install has its own dedicated coturn. Continuing may switch it to"
log_warning "the shared coturn service — the Calls plugin's TURN config in System"
log_warning "Console will need updating to the new credentials afterward (see below)."
fi
;;
esac
fi
mkdir -p "$DIR"
ensure_docker_dir_ownership "$DIR"
cd "$DIR" || return 1
# Reuse existing secrets whenever the Postgres data volume already has
# real data in it — not just when MODE=update. Confirmed live: picking
# "fresh" after removing only the mattermost APP container (docker rm,
# not the whole ~/docker/mattermost directory) regenerates
# POSTGRES_PASSWORD in a new .env while db/ still holds the OLD
# password baked in from its first init (postgres:15-alpine's
# entrypoint skips re-initializing an existing data directory, so the
# old credential is still the one actually enforced) — "password
# authentication failed for user mattermost" on every start
# afterward. Whether the data volume already has real data in it is
# what actually determines whether the old password is still live,
# not which reinstall mode was chosen.
local DB_PASS="" MM_SECRET=""
local _db_has_data=false
[ -d db ] && [ -n "$(ls -A db 2>/dev/null)" ] && _db_has_data=true
if [ "$MODE" = "update" ] || [ "$_db_has_data" = true ]; then
DB_PASS="$(grep '^POSTGRES_PASSWORD=' .env 2>/dev/null | cut -d= -f2-)"
[ "$_HAD_EMBEDDED_COTURN" = true ] && MM_SECRET="$(grep '^COTURN_SECRET=' .env 2>/dev/null | cut -d= -f2-)"
fi
[ -n "$DB_PASS" ] || DB_PASS=$(generate_password 32)
local TZ_VAL="${SITE_TZ:-$(cat /etc/timezone 2>/dev/null || echo UTC)}"
# Compute SITE_URL — extra instances default to a distinct subdomain so
# they don't collide with the first instance's.
local _default_subdomain="mattermost${INSTANCE_SUFFIX:+-$INSTANCE_SUFFIX}"
local SITE_URL="http://localhost:${WEB_PORT}"
if [ -n "$SITE_DOMAIN" ] && [ "$SITE_DOMAIN" != "example.com" ]; then
SITE_URL="https://${_default_subdomain}.${SITE_DOMAIN}"
fi
local CONFIGURED_SITEURL=""
prompt_text "Mattermost site URL [$SITE_URL]:" "$SITE_URL" CONFIGURED_SITEURL
[[ -n "$CONFIGURED_SITEURL" ]] && SITE_URL="$CONFIGURED_SITEURL"
# Mirrors configure_caddy_for_service's own mode resolution (lib/common.sh):
# explicit CADDY_MODE from the site config wins, then a local ~/docker/caddy,
# then the legacy CADDY_REMOTE_HOST var. Only "local" joins caddy_net — a
# remote Caddy box can't resolve container names on this host's bridge
# network anyway; it reaches this service via the host's published port.
local _CADDY_MODE="${CADDY_MODE:-none}"
[ "$_CADDY_MODE" = "none" ] && [ -d "$DOCKER_DIR/caddy" ] && _CADDY_MODE="local"
[ "$_CADDY_MODE" = "none" ] && [ -n "${CADDY_REMOTE_HOST:-}" ] && _CADDY_MODE="remote"
local _CADDY_NET_BLOCK=""
local _CADDY_NET_SECTION=""
if [ "$_CADDY_MODE" = "local" ]; then
_CADDY_NET_BLOCK=" networks:
- caddy_net
"
_CADDY_NET_SECTION="
networks:
caddy_net:
external: true
name: ${SITE_CADDY_NET:-caddy_net}
"
fi
# ── TURN: shared coturn preferred, dedicated coturn as fallback ─────────
# See services/coturn.sh's header for why one shared TURN server beats
# every service (Asterisk, each Mattermost instance, ...) running its
# own and fighting over host relay ports.
local USE_EMBEDDED_COTURN=true
local TURN_HOST_VAL="" TURN_PORT_VAL="" TURN_USERNAME_VAL="" TURN_PASSWORD_VAL=""
if [ "$MODE" = "update" ] && [ "$_HAD_EMBEDDED_COTURN" = true ]; then
USE_EMBEDDED_COTURN=true # preserve exactly — never switch on update
else
ensure_coturn_user "$COTURN_CONSUMER"
if [ -n "${COTURN_HOST:-}" ]; then
USE_EMBEDDED_COTURN=false
TURN_HOST_VAL="$COTURN_HOST"; TURN_PORT_VAL="$COTURN_PORT"
TURN_USERNAME_VAL="$COTURN_USERNAME"; TURN_PASSWORD_VAL="$COTURN_PASSWORD"
log_success "Using the shared coturn service — TURN username '$COTURN_USERNAME'."
else
log_info "Shared coturn unavailable — this instance will run its own dedicated coturn."
fi
fi
[ -n "$MM_SECRET" ] || MM_SECRET=$(generate_password 48)
local _COTURN_SERVICE=""
if [ "$USE_EMBEDDED_COTURN" = true ]; then
_COTURN_SERVICE="
coturn:
image: coturn/coturn:latest
container_name: ${MM_CONTAINER}-coturn
network_mode: host
user: root
command:
- -n
- --listening-port=3479
- --listening-ip=0.0.0.0
- --fingerprint
- --use-auth-secret
- --static-auth-secret=\${COTURN_SECRET}
- --realm=\${MM_REALM:-localhost}
- --min-port=49153
- --max-port=49352
- --no-tls
- --no-dtls
- --no-cli
- --no-multicast-peers
- --log-file=stdout
restart: unless-stopped
"
fi
cat > docker-compose.yml << EOF
name: ${PROJECT}
services:
db:
image: postgres:15-alpine
container_name: ${DB_CONTAINER}
hostname: ${DB_CONTAINER}
restart: unless-stopped
env_file: .env
volumes:
- ./db:/var/lib/postgresql/data
${_CADDY_NET_BLOCK} healthcheck:
test: ["CMD-SHELL", "pg_isready -U \${POSTGRES_USER} -d \${POSTGRES_DB}"]
interval: 10s
timeout: 5s
retries: 5
mattermost:
image: mattermost/mattermost-team-edition:latest
container_name: ${MM_CONTAINER}
hostname: ${MM_CONTAINER}
restart: unless-stopped
env_file: .env
depends_on:
db:
condition: service_healthy
volumes:
- ./data:/mattermost/data
- ./logs:/mattermost/logs
- ./config:/mattermost/config
- ./plugins:/mattermost/plugins
ports:
- "${WEB_PORT}:${WEB_PORT}"
- "${CALLS_UDP_PORT}:8443/udp"
${_CADDY_NET_BLOCK}${_COTURN_SERVICE}${_CADDY_NET_SECTION}
EOF
cat > .env << EOF
TZ=$TZ_VAL
CADDY_NET=$SITE_CADDY_NET
# PostgreSQL
POSTGRES_DB=mattermost
POSTGRES_USER=mattermost
POSTGRES_PASSWORD=$DB_PASS
# Mattermost
MM_SQLSETTINGS_DRIVERNAME=postgres
MM_SQLSETTINGS_DATASOURCE=postgres://mattermost:${DB_PASS}@${DB_CONTAINER}:5432/mattermost?sslmode=disable&connect_timeout=10
MM_SERVICESETTINGS_SITEURL=$SITE_URL
MM_SERVICESETTINGS_LISTENADDRESS=:${WEB_PORT}
MM_SERVICESETTINGS_ENABLELOCALMODE=true
MM_FILESETTINGS_DRIVERNAME=local
MM_PLUGINSETTINGS_ENABLE=true
# ── TURN/STUN (Calls plugin) ─────────────────────────────────
$( [ "$USE_EMBEDDED_COTURN" = true ] \
&& echo "# This instance runs its own dedicated coturn (the coturn: service in docker-compose.yml)." \
|| echo "# Using the shared coturn service — see ~/docker/coturn/README.md." )
# coturn HMAC secret — only used if this instance runs its own dedicated coturn.
COTURN_SECRET=$MM_SECRET
MM_REALM=${SITE_DOMAIN:-localhost}
TURN_HOST=$TURN_HOST_VAL
TURN_PORT=$TURN_PORT_VAL
TURN_USERNAME=$TURN_USERNAME_VAL
TURN_PASSWORD=$TURN_PASSWORD_VAL
EOF
chmod 600 .env
mkdir -p data logs config plugins db
chown -R "$ACTUAL_USER:$ACTUAL_USER" "$DIR"
# mattermost/mattermost-team-edition's image runs as a fixed UID/GID
# 2000 baked in at build time — unlike some other images in this repo,
# it does NOT read PUID/PGID env vars (that's a LinuxServer.io s6-overlay
# convention this image doesn't use; a previous version of this file set
# them anyway, which did nothing). Confirmed live: leaving ./data,
# ./logs, ./config, ./plugins owned by ACTUAL_USER instead of 2000:2000
# makes the container fail on its very first start with "could not
# create config file: open /mattermost/config/config.json: permission
# denied" and crash-loop — db (postgres:15-alpine) isn't affected, its
# entrypoint fixes ownership itself on startup when it needs to.
chown -R 2000:2000 data logs config plugins
# ── Firewall ─────────────────────────────────────────────────────────────
if command -v ufw &>/dev/null; then
ufw allow "${WEB_PORT}/tcp" comment "Mattermost${INSTANCE_SUFFIX:+ ($INSTANCE_SUFFIX)}"
ufw allow "${CALLS_UDP_PORT}/udp" comment "Mattermost Calls RTC${INSTANCE_SUFFIX:+ ($INSTANCE_SUFFIX)}"
if [ "$USE_EMBEDDED_COTURN" = true ]; then
ufw allow 3479/udp; ufw allow 3479/tcp
ufw allow 49153:49352/udp comment "Mattermost coturn relay"
fi
# Shared coturn opens its own ports once, at its own install time.
fi
echo ""
log_success "Mattermost configured at $DIR"
configure_caddy_for_service "Mattermost${INSTANCE_SUFFIX:+ ($INSTANCE_SUFFIX)}" "${MM_CONTAINER}:${WEB_PORT}" "$_default_subdomain"
# Exact ICEServersConfigs JSON to paste into System Console — verified
# against the Calls plugin's actual config schema (plugin.json): this
# field takes a fixed username/credential pair, which is what a
# --lt-cred-mech coturn (shared or dedicated) expects, as opposed to the
# "TURN Static Auth Secret" field (HMAC/REST-API mode, which coturn
# cannot run at the same time as --lt-cred-mech on one instance).
local _ICE_JSON _turn_config_md
if [ "$USE_EMBEDDED_COTURN" = true ]; then
_ICE_JSON="[{\"urls\":[\"turn:${SITE_DOMAIN:-YOUR_IP}:3479?transport=udp\"],\"username\":\"static\",\"credential\":\"see COTURN_SECRET below — this dedicated coturn uses use-auth-secret/HMAC, not a fixed credential\"}]"
_turn_config_md="This instance runs its own dedicated coturn (HMAC/REST-API auth):
- TURN Server URI: \`turn:${SITE_DOMAIN:-YOUR_IP}:3479?transport=udp\`
- System Console → Plugins → Calls → **TURN Static Auth Secret**: value of \`COTURN_SECRET\` in \`.env\`"
else
_ICE_JSON="[{\"urls\":[\"turn:${TURN_HOST_VAL}:${TURN_PORT_VAL}?transport=udp\"],\"username\":\"${TURN_USERNAME_VAL}\",\"credential\":\"${TURN_PASSWORD_VAL}\"}]"
_turn_config_md="This instance uses the shared coturn service (fixed username/credential, not HMAC):
- System Console → Plugins → Calls → **ICE Servers Configurations** — paste:
\`\`\`json
$_ICE_JSON
\`\`\`
- Leave **TURN Static Auth Secret** empty — that field is for the OTHER auth
mode coturn supports and doesn't apply here."
fi
[ "${CALLS_UDP_PORT}" != "8443" ] && _turn_config_md="$_turn_config_md
- System Console → Plugins → Calls → **ICE Host Port Override**: \`${CALLS_UDP_PORT}\` (this instance publishes Calls RTC on a non-default port)"
write_readme "$DIR" << MD
# Mattermost${INSTANCE_SUFFIX:+ — $INSTANCE_SUFFIX}
Team messaging with voice/video calls. PostgreSQL backend.
$( [ -n "$INSTANCE_SUFFIX" ] && echo "
This is a separate, fully isolated instance (own server, own database, own
TURN credential) — not a Team within another instance. See that instance's
own README for its own access details." )
## Access
- URL: $SITE_URL (or http://localhost:${WEB_PORT})
- First run: create admin account at the URL above — this account becomes
System Admin automatically.
## Teams
Team Edition (the free edition this installer uses) includes multiple Teams
natively — separate spaces (their own channels, their own members) on the
same server, same database, same login. No Enterprise license needed; this
is the resource-efficient alternative to running a second Mattermost
instance for a second group.
Create one:
- Click the **+** at the bottom of the team sidebar (the narrow column on
the far left) → **Create a new team**, or
- System Console → User Management → Teams → **Create Team**
Add people to a team:
- Team name (top-left) → **Invite People** → share the invite link, or send
email invites (requires SMTP — System Console → Environment → SMTP), or
- System Console → User Management → Teams → the team → **Add Members**
(adds existing server accounts directly, no invite flow)
Users can belong to more than one team and switch between them via the team
sidebar icons. By default any user can create a team — restrict that at
System Console → User Management → Permissions if you only want admins
creating them.
By default, Direct Messages ignore team boundaries — anyone on the server
can DM anyone else regardless of shared team membership. To limit the DM
picker to teammates only: **System Console → Site Configuration → Users and
Teams → "Enable users to open Direct Message channels with" → Any member of
the team** (free in Team Edition, no license needed). This is a UI filter,
not a hard boundary — it doesn't hide DM channels that already exist, and a
user in multiple teams can still DM anyone across all of them, not just the
team currently open. If you need real isolation between groups rather than
a tidier picker, that means separate Mattermost instances, not this setting.
## Voice/Video Calls (Calls plugin)
Port ${CALLS_UDP_PORT}/udp must be open on your router/firewall.
${_turn_config_md}
## Manage
\`\`\`bash
docker compose up -d
docker compose down
docker compose logs -f
docker compose pull && docker compose up -d
\`\`\`
MD
if [[ "$SITE_URL" == http://* ]]; then
log_warning "WebRTC (voice/video calls) requires HTTPS. Configure Caddy and update SITE_URL."
fi
# ── Migration helper (new/fresh installs only — not "update" reruns,
# where an existing instance is already in real use and importing over
# it would be destructive) ────────────────────────────────────────────
if [ "$MODE" != "update" ]; then
echo ""
local MIGRATING=""
prompt_yn "Migrating from an existing Mattermost instance (e.g. PikaPods)? (y/n):" "n" MIGRATING
if [[ "$MIGRATING" =~ ^[Yy]$ ]]; then
cat > "$DIR/migrate-from-pikapods.sh" << 'MIGRATE_HEAD'
#!/bin/bash
################################################################################
# migrate-from-pikapods.sh — generated by ubuntu-post-install
#
# Imports a Mattermost database dump + file storage exported from another
# instance (e.g. PikaPods) into THIS freshly-created instance, replacing its
# empty database and populating its file storage.
#
# PikaPods export procedure (Pod Settings): enable SFTP + Database access,
# STOP the pod first (flushes anything still in memory to disk), SFTP the
# pod's files down, then use the Adminer link PikaPods gives you to export
# the database as a plain SQL dump. See docs.pikapods.com/manage/backup.
#
# This script assumes a PLAIN-TEXT SQL dump (what Adminer produces by
# default). If you have a custom-format pg_dump instead, use `pg_restore`
# in place of the `psql < dump` step below.
#
# IMPORTANT: point the files argument at the SUBDIRECTORY that holds
# Mattermost's own file storage inside whatever you downloaded via SFTP
# (commonly named `data`), not the whole SFTP root — PikaPods' exact
# layout wasn't verified against a live pod, so confirm this yourself
# before running.
#
# Usage:
# ./migrate-from-pikapods.sh <path-to-sql-dump> <path-to-files-dir>
################################################################################
MIGRATE_HEAD
cat >> "$DIR/migrate-from-pikapods.sh" << MIGRATE_VARS
PROJECT_DIR="$DIR"
MM_CONTAINER="$MM_CONTAINER"
DB_CONTAINER="$DB_CONTAINER"
DB_NAME="mattermost"
DB_USER="mattermost"
MIGRATE_VARS
cat >> "$DIR/migrate-from-pikapods.sh" << 'MIGRATE_BODY'
set -uo pipefail
cd "$PROJECT_DIR" || exit 1
SQL_DUMP="${1:-}"
FILES_DIR="${2:-}"
if [ -z "$SQL_DUMP" ] || [ -z "$FILES_DIR" ]; then
echo "Usage: $0 <path-to-sql-dump> <path-to-files-dir>"
exit 1
fi
[ -f "$SQL_DUMP" ] || { echo "SQL dump not found: $SQL_DUMP"; exit 1; }
[ -d "$FILES_DIR" ] || { echo "Files directory not found: $FILES_DIR"; exit 1; }
[ -f "docker-compose.yml" ] || { echo "Run this from $PROJECT_DIR (docker-compose.yml not found here)."; exit 1; }
echo ""
echo "┌─────────────────────────────────────────────────────────────────┐"
echo "│ MATTERMOST MIGRATION — THIS REPLACES THE CURRENT DATABASE │"
echo "└─────────────────────────────────────────────────────────────────┘"
echo ""
echo " Target instance: $PROJECT_DIR"
echo " SQL dump: $SQL_DUMP"
echo " Files: $FILES_DIR (copied into ./data)"
echo ""
read -r -p " Type YES to proceed: " CONFIRM
[ "$CONFIRM" = "YES" ] || { echo "Aborted — no changes made."; exit 0; }
echo ""
echo "Stopping $MM_CONTAINER (keeping $DB_CONTAINER running)..."
docker compose stop mattermost
echo "Waiting for $DB_CONTAINER to accept connections..."
tries=0
until docker exec "$DB_CONTAINER" pg_isready -U "$DB_USER" >/dev/null 2>&1 || [ "$tries" -ge 30 ]; do
sleep 1; tries=$((tries + 1))
done
echo "Dropping and recreating '$DB_NAME' (owned by the existing '$DB_USER' role — .env credentials are untouched)..."
if ! docker exec "$DB_CONTAINER" psql -U "$DB_USER" -d postgres -c "DROP DATABASE IF EXISTS $DB_NAME;" \
|| ! docker exec "$DB_CONTAINER" psql -U "$DB_USER" -d postgres -c "CREATE DATABASE $DB_NAME OWNER $DB_USER;"; then
echo "Failed to reset the database — check: docker compose logs db"
exit 1
fi
echo "Importing $SQL_DUMP..."
if ! docker exec -i "$DB_CONTAINER" psql -U "$DB_USER" -d "$DB_NAME" < "$SQL_DUMP" > /tmp/mm-migrate-import.log 2>&1; then
echo "Import reported errors — check /tmp/mm-migrate-import.log before continuing."
echo "(Some warnings, e.g. about extensions already existing, are expected and harmless."
echo " Look for actual failures — missing tables, permission errors — before deciding.)"
fi
echo "Copying files into ./data..."
mkdir -p ./data
rsync -a "$FILES_DIR"/ ./data/ 2>/dev/null || cp -a "$FILES_DIR"/. ./data/
echo "Starting Mattermost..."
docker compose up -d
echo ""
echo "Done. Verify before treating this as live:"
echo " - Open the site and confirm you can log in as an existing (migrated) user"
echo " - Spot-check a channel with history and a message that has an attached file"
echo " - Check System Console → users/teams counts look right"
echo ""
echo "Import log: /tmp/mm-migrate-import.log"
MIGRATE_BODY
chmod +x "$DIR/migrate-from-pikapods.sh"
chown "$ACTUAL_USER:$ACTUAL_USER" "$DIR/migrate-from-pikapods.sh"
log_success "Migration helper written: $DIR/migrate-from-pikapods.sh"
log_info "Run it once you have both a SQL dump and the files directory from PikaPods."
fi
fi
local START=""
prompt_yn "Start Mattermost now? (y/n):" "y" START
if [ "$START" = "y" ] || [ "$START" = "Y" ]; then
docker compose up -d \
&& log_success "Mattermost started" \
|| log_warning "Start failed — check: docker compose logs"
fi
echo ""
echo " Access at: $SITE_URL"
echo " First run: open the URL above and create your admin account."
echo " Teams: team sidebar '+' → Create a new team (see README.md — no"
echo " Enterprise license needed, Team Edition includes this)."
echo " Calls plugin TURN config: see README.md (System Console → Plugins → Calls)."
echo ""
}
# Run immediately when executed directly (deferred until after function definition)
[[ "${_RUN_STANDALONE:-0}" == 1 ]] && install_mattermost