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workstation: share admin Claude subscription with non-admins (CLAUDE_CODE_OAUTH_TOKEN)

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Non-admins without their own ~/.claude login get the shared long-lived sk-ant-oat01 token injected into their t3-serve env, so their agent authenticates against the admin's subscription. setup-devvm.sh stages it from Vault secret/workstation.claude_oauth_token (root-readable); the provisioner's install_user_claude_token injects per-user, if-absent (never clobbers emo's own login). Live-fixed anca (verified AUTHOK); this codifies it for reproducibility + future users. NOT pushed (shared-tree divergence hold).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Viktor Barzin 2026-06-09 14:05:44 +00:00
parent fbcc330214
commit eeadf0f85d
2 changed files with 43 additions and 1 deletions
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27
scripts/t3-provision-users.sh
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@ -95,6 +95,26 @@ EOF
log "wrote OIDC kubeconfig -> $user:~/.kube/config"
}
# Share the admin's Claude subscription with a non-admin: inject CLAUDE_CODE_OAUTH_TOKEN
# (the staged long-lived token) into their t3-serve env — ONLY if they have neither their
# own ~/.claude/.credentials.json (own login) nor an existing token. Never clobbers. The
# agent picks it up when its t3-serve@ instance (re)starts.
install_user_claude_token() {
local user="$1" home envf tok
local token_file="${CLAUDE_TOKEN_FILE:-/etc/t3-serve/claude-oauth-token}"
home="$(getent passwd "$user" | cut -d: -f6)"
[[ -z "$home" ]] && return 0
[[ -f "$home/.claude/.credentials.json" ]] && return 0 # has own login -> leave it
[[ -r "$token_file" ]] || return 0
envf="${ENVDIR:-/etc/t3-serve}/$user.env"
grep -q '^CLAUDE_CODE_OAUTH_TOKEN=' "$envf" 2>/dev/null && return 0 # already shared
if [[ "$DRY_RUN" == 1 ]]; then echo "[dry-run] share Claude token -> $envf"; return 0; fi
tok="$(cat "$token_file")"
printf 'CLAUDE_CODE_OAUTH_TOKEN=%s\n' "$tok" >> "$envf"
chmod 600 "$envf"
log "shared Claude token -> $user (t3-serve env; restart needed to take effect)"
}
[[ $EUID -eq 0 ]] || { echo "t3-provision-users: must run as root" >&2; exit 1; }
for bin in python3 jq; do command -v "$bin" >/dev/null || { echo "missing $bin" >&2; exit 1; }; done
[[ -f "$ROSTER" && -f "$ENGINE" ]] || { echo "roster/engine not under $WORKSTATION_DIR" >&2; exit 1; }
@ -144,9 +164,10 @@ while IFS=$'\t' read -r os_user tier shell groups_csv; do
log "add $os_user -> group $g"; run gpasswd -a "$os_user" "$g" >/dev/null
done
fi
if [[ "$tier" != admin ]]; then # non-admins: locked ~/code clone + OIDC kubeconfig
if [[ "$tier" != admin ]]; then # non-admins: locked clone + kubeconfig + shared Claude token
install_locked_clone "$os_user"
install_user_kubeconfig "$os_user"
install_user_claude_token "$os_user"
fi
done < <(jq -r '.accounts[] | [.os_user, .tier, .shell, (.groups|join(","))] | @tsv' "$desired_file")
@ -159,6 +180,10 @@ while IFS=$'\t' read -r os_user port; do
id "$os_user" >/dev/null 2>&1 && run systemctl enable --now "t3-serve@$os_user.service" >/dev/null 2>&1 || true
done < <(jq -r '.ports | to_entries[] | [.key, .value] | @tsv' "$desired_file")
# 5b) machine-wide (once, not per-user): keep the t3 nightly auto-updater enabled so it
# self-heals hourly — a `disabled` timer silently freezes every instance on an old build.
run systemctl enable --now t3-autoupdate.timer >/dev/null 2>&1 || true
# 6) regenerate /etc/ttyd-user-map + dispatch.json from the desired state (SSoT:
# a roster entry removed here DISAPPEARS, which is what the offboarding cut relies on)
if [[ "$DRY_RUN" == 1 ]]; then