jschoubben
718fb12ef7
The image seds ICECAST_*_PASSWORD from the environment into /etc/icecast.xml;
ADR 0086 wants secrets as files. icecast starts as root, reads its config, then
drops to uid 100, so a root-owned 0600 icecast.xml rendered with ${secret:...}
and mounted read-only works and the entrypoint's seds never fire (no env set).
The "secrets-in-environment" exemption and server.env are gone.
Also: directories are placed (state, logs owned 100:101 so the image's VOLUME
/var/log/icecast is not an anonymous volume per container, as HAL learned);
the server and sidecar share a module network, so the sidecar reaches
http://icecast:8000 instead of assuming machine port 8000 on the host; the
stream endpoint is routed (label "icecast"), as HAL served it via traefik.
Secrets remain mesh-vault grants (requires secret), now under ${dir:state}.
Verified: catalogue tests with MESH_CATALOGUE pointed at this tree; a
throwaway container of the pinned digest (the one ace runs) with the rendered
file (dummy secrets, root 0600, :ro): runs as icecast, status-json 200,
admin 401 without / 200 with the admin secret, a source PUT with the source
secret mounts, a listener receives it, a wrong source password gets 401, logs
land in the uid-100 directory.
141 lines
5.2 KiB
JSON
141 lines
5.2 KiB
JSON
{
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"module": "icecast",
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"version": "1",
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"requires": [
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"route",
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"secret"
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],
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"contributes": {
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"route": {
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"label": "icecast",
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"endpoint": "stream"
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}
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},
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"binds": {
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"route": "${dir:state}/route.json"
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},
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"secrets": {
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"secret": {
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"source": "${dir:state}/source.secret",
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"admin": "${dir:state}/admin.secret",
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"relay": "${dir:state}/relay.secret"
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}
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},
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"capabilities": [
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"container-runtime"
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],
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"emits": [
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"stream.started",
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"stream.stopped"
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],
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"own-secrets": {
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"broker": "/var/lib/mesh/icecast/broker"
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},
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"listens": [
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{
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"name": "stream",
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"port": 8000,
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"protocol": "tcp",
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"from": "mesh",
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"why": "streams in from sources (HTTP PUT) and out to listeners, plus the status and admin pages; a public name is its route"
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}
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],
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"resources": [
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{
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"id": "mesh-state",
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"type": "directory",
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"path": "/var/lib/mesh/icecast",
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"mode": "0700"
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},
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{
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"id": "state",
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"type": "directory",
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"mode": "0700",
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"place": "."
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},
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{
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"id": "logs",
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"type": "directory",
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"mode": "0700",
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"owner": "100:101"
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},
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{
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"id": "server-conf",
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"type": "file",
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"path": "${dir:state}/icecast.xml",
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"mode": "0600",
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"content": "<icecast>\n <!-- Written by the mesh (modules/icecast). Passwords arrive as secrets rendered into this file,\n never as environment: the image's entrypoint seds ICECAST_* variables into the file only\n when they are set, and none are. -->\n <location>Earth</location>\n <admin>icemaster@localhost</admin>\n <limits>\n <clients>100</clients>\n <sources>2</sources>\n <queue-size>524288</queue-size>\n <client-timeout>30</client-timeout>\n <header-timeout>15</header-timeout>\n <source-timeout>10</source-timeout>\n <burst-on-connect>1</burst-on-connect>\n <burst-size>65535</burst-size>\n </limits>\n <authentication>\n <source-password>${secret:source}</source-password>\n <relay-password>${secret:relay}</relay-password>\n <admin-user>admin</admin-user>\n <admin-password>${secret:admin}</admin-password>\n </authentication>\n <!-- The name icecast writes into playlists (.m3u/.xspf: http://<hostname>:<port>/<mount>) and\n would announce to YP (none configured). A machine's own name belongs to its assignment, and\n an assignment merges only into JSON; this XML cannot take it, so the neutral default stays. -->\n <hostname>localhost</hostname>\n <listen-socket>\n <port>8000</port>\n </listen-socket>\n <http-headers>\n <header name=\"Access-Control-Allow-Origin\" value=\"*\" />\n </http-headers>\n <fileserve>1</fileserve>\n <paths>\n <basedir>/usr/share/icecast</basedir>\n <logdir>/var/log/icecast</logdir>\n <webroot>/usr/share/icecast/web</webroot>\n <adminroot>/usr/share/icecast/admin</adminroot>\n <alias source=\"/\" destination=\"/status.xsl\"/>\n </paths>\n <logging>\n <accesslog>access.log</accesslog>\n <errorlog>error.log</errorlog>\n <loglevel>3</loglevel>\n <logsize>10000</logsize>\n </logging>\n <security>\n <chroot>0</chroot>\n <!-- Starts as root, reads this 0600 root-owned file, then drops to the image's icecast user\n (uid 100, group icecast 101) before serving. -->\n <changeowner>\n <user>icecast</user>\n <group>icecast</group>\n </changeowner>\n </security>\n</icecast>\n"
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},
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{
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"id": "net",
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"type": "network",
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"name": "icecast"
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},
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{
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"id": "server",
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"type": "container",
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"name": "icecast",
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"image": "infiniteproject/icecast@sha256:cd506cf3dfe31ce05fd37d7e672dbd1213e7255cc93d28ecf5a3b547af4e162c",
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"network": "icecast",
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"ports": [
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"8000"
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],
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"volumes": [
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"${dir:state}/icecast.xml:/etc/icecast.xml:ro",
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"${dir:logs}:/var/log/icecast"
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],
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"restart-on": [
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"server-conf"
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]
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},
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{
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"id": "runtime-config",
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"type": "file",
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"path": "/var/lib/mesh/icecast/config.json",
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"mode": "0600",
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"content": "{}\n",
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"merge": "json"
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},
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{
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"id": "runtime",
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"type": "container",
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"name": "mesh-icecast",
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"network": "icecast",
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"volumes": [
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"/var/lib/mesh/icecast/broker:/run/secrets/broker:ro",
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"/var/lib/mesh/icecast/config.json:/run/config/config.json:ro"
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],
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"env": {
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"MESH_BROKER_FILE": "/run/secrets/broker",
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"MESH_ICECAST_URL": "http://icecast:8000",
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"MESH_ICECAST_CONFIG_FILE": "/run/config/config.json"
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},
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"restart-on": [
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"runtime-config"
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],
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"artifact": "runtime"
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}
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],
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"build": {
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"on": [
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{
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"arg": "BUILD_BASE",
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"module": "mesh-tools",
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"artifact": "build"
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},
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{
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"arg": "RUNTIME_BASE",
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"module": "mesh-tools",
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"artifact": "runtime"
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}
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],
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"artifacts": [
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{
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"name": "runtime",
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"kind": "image",
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"from": "Dockerfile"
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}
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]
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}
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}
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