summaryrefslogtreecommitdiff
path: root/dockerfiles/docker-entrypoint.sh
blob: 332d5c2bbaeedb7b46fbad35fbee5075942d0499 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
#!/bin/sh

help() {
    cat <<EOF
Command line:
  -h  Display this help
  -d  Dry run to update the configuration files.
  -f  Always update on the configuration files (existing files are renamed with
      the .old suffix).  Without this option, the new configuration files are
      copied with the .new suffix
Environment variables:
  INSTANCE_NAME settings.yml : general.instance_name
  AUTOCOMPLETE  settings.yml : search.autocomplete
  BASE_URL      settings.yml : server.base_url
  MORTY_URL     settings.yml : result_proxy.url
  MORTY_KEY     settings.yml : result_proxy.key
  BIND_ADDRESS  uwsgi bind to the specified TCP socket using HTTP protocol.
                Default value: ${DEFAULT_BIND_ADDRESS}
Volume:
  /etc/searxng  the docker entry point copies settings.yml and uwsgi.ini in
                this directory (see the -f command line option)"

EOF
}

export DEFAULT_BIND_ADDRESS="0.0.0.0:8080"
export BIND_ADDRESS="${BIND_ADDRESS:-${DEFAULT_BIND_ADDRESS}}"

# Parse command line
FORCE_CONF_UPDATE=0
DRY_RUN=0

while getopts "fdh" option
do
    case $option in

        f) FORCE_CONF_UPDATE=1 ;;
        d) DRY_RUN=1 ;;

        h)
            help
            exit 0
            ;;
        *)
            echo "unknow option ${option}"
            exit 42
            ;;
    esac
done

get_searxng_version(){
    su searxng -c \
       'python3 -c "import six; import searx.version; six.print_(searx.version.VERSION_STRING)"' \
       2>/dev/null
}

SEARXNG_VERSION="$(get_searxng_version)"
export SEARXNG_VERSION
echo "SearXNG version ${SEARXNG_VERSION}"

# helpers to update the configuration files
patch_uwsgi_settings() {
    CONF="$1"

    # update uwsg.ini
    sed -i \
        -e "s|workers = .*|workers = ${UWSGI_WORKERS:-%k}|g" \
        -e "s|threads = .*|threads = ${UWSGI_THREADS:-4}|g" \
        "${CONF}"
}

patch_searxng_settings() {
    CONF="$1"

    # Make sure that there is trailing slash at the end of BASE_URL
    # see https://www.gnu.org/savannah-checkouts/gnu/bash/manual/bash.html#Shell-Parameter-Expansion
    export BASE_URL="${BASE_URL%/}/"

    # update settings.yml
    sed -i \
        -e "s|base_url: false|base_url: ${BASE_URL}|g" \
        -e "s/instance_name: \"SearXNG\"/instance_name: \"${INSTANCE_NAME}\"/g" \
        -e "s/autocomplete: \"\"/autocomplete: \"${AUTOCOMPLETE}\"/g" \
        -e "s/ultrasecretkey/$(openssl rand -hex 32)/g" \
        "${CONF}"

    # Morty configuration

    if [ -n "${MORTY_KEY}" ] && [ -n "${MORTY_URL}" ]; then
        sed -i -e "s/image_proxy: false/image_proxy: true/g" \
            "${CONF}"
        cat >> "${CONF}" <<-EOF

# Morty configuration
result_proxy:
   url: ${MORTY_URL}
   key: !!binary "${MORTY_KEY}"
EOF
    fi
}

update_conf() {
    FORCE_CONF_UPDATE=$1
    CONF="$2"
    NEW_CONF="${2}.new"
    OLD_CONF="${2}.old"
    REF_CONF="$3"
    PATCH_REF_CONF="$4"

    if [ -f "${CONF}" ]; then
        if [ "${REF_CONF}" -nt "${CONF}" ]; then
            # There is a new version
            if [ "$FORCE_CONF_UPDATE" -ne 0 ]; then
                # Replace the current configuration
                printf '⚠️  Automatically update %s to the new version\n' "${CONF}"
                if [ ! -f "${OLD_CONF}" ]; then
                    printf 'The previous configuration is saved to %s\n' "${OLD_CONF}"
                    mv "${CONF}" "${OLD_CONF}"
                fi
                cp "${REF_CONF}" "${CONF}"
                $PATCH_REF_CONF "${CONF}"
            else
                # Keep the current configuration
                printf '⚠️  Check new version %s to make sure SearXNG is working properly\n' "${NEW_CONF}"
                cp "${REF_CONF}" "${NEW_CONF}"
                $PATCH_REF_CONF "${NEW_CONF}"
            fi
        else
            printf 'Use existing %s\n' "${CONF}"
        fi
    else
        printf 'Create %s\n' "${CONF}"
        cp "${REF_CONF}" "${CONF}"
        $PATCH_REF_CONF "${CONF}"
    fi
}

# searx compatibility: copy /etc/searx/* to /etc/searxng/*
SEARX_CONF=0
if [ -f "/etc/searx/settings.yml" ]; then
    if  [ ! -f "${SEARXNG_SETTINGS_PATH}" ]; then
        printf '⚠️  /etc/searx/settings.yml is copied to /etc/searxng\n'
        cp "/etc/searx/settings.yml" "${SEARXNG_SETTINGS_PATH}"
    fi
    SEARX_CONF=1
fi
if [ -f "/etc/searx/uwsgi.ini" ]; then
    printf '⚠️  /etc/searx/uwsgi.ini is ignored. Use the volume /etc/searxng\n'
    SEARX_CONF=1
fi
if [ "$SEARX_CONF" -eq "1" ]; then
    printf '⚠️  The deprecated volume /etc/searx is mounted. Please update your configuration to use /etc/searxng ⚠️\n'
    cat << EOF > /etc/searx/deprecated_volume_read_me.txt
This Docker image uses the volume /etc/searxng
Update your configuration:
* remove uwsgi.ini (or very carefully update your existing uwsgi.ini using https://github.com/searxng/searxng/blob/master/dockerfiles/uwsgi.ini )
* mount /etc/searxng instead of /etc/searx
EOF
fi
# end of searx compatibility

# make sure there are uwsgi settings
update_conf "${FORCE_CONF_UPDATE}" "${UWSGI_SETTINGS_PATH}" "/usr/local/searxng/dockerfiles/uwsgi.ini" "patch_uwsgi_settings"

# make sure there are searxng settings
update_conf "${FORCE_CONF_UPDATE}" "${SEARXNG_SETTINGS_PATH}" "/usr/local/searxng/searx/settings.yml" "patch_searxng_settings"

# dry run (to update configuration files, then inspect them)
if [ $DRY_RUN -eq 1 ]; then
    printf 'Dry run\n'
    exit
fi

unset MORTY_KEY

# Start uwsgi
printf 'Listen on %s\n' "${BIND_ADDRESS}"
exec su-exec searxng:searxng uwsgi --master --http-socket "${BIND_ADDRESS}" "${UWSGI_SETTINGS_PATH}"