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Posted to issues@trafficcontrol.apache.org by GitBox <gi...@apache.org> on 2022/10/17 14:30:37 UTC
[GitHub] [trafficcontrol] zrhoffman opened a new pull request, #7142: Run CDN in a Box for Developers services as unprivileged users
zrhoffman opened a new pull request, #7142:
URL: https://github.com/apache/trafficcontrol/pull/7142
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This PR makes it so that when the CDN in a Box for Developers services create new files (from `npm ci`, building debug binaries, creating Traffic Router DBs, etc.), the files are owned by the user who owns the repository directory, rather than being owned by root.
<!-- **^ Add meaningful description above** --><hr/>
## Which Traffic Control components are affected by this PR?
<!-- Please delete all components from this list that are NOT affected by this PR.
Feel free to add the name of a tool or script that is affected but not on the list.
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- CDN in a Box - for Developers
## What is the best way to verify this PR?
<!-- Please include here ALL the steps necessary to test your PR.
If your PR has tests (and most should), provide the steps needed to run the tests.
If not, please provide step-by-step instructions to test the PR manually and explain why your PR does not need tests. -->
1. Remove generated files and directories:
```shell
rm -rf dev/traffic_router/db experimental/traffic-portal/node_modules traffic_monitor/__debug_bin traffic_ops/traffic_ops_golang/__debug_bin traffic_portal/node_modules
```
2. Build the CDN in a Box for Developers:
```shell
docker-compose build
```
3. Start the Dev CiaB:
```shell
docker-compose up
```
4. Verify that the generated files and directories are owned by you
```shell
ls -ld dev/traffic_router/db experimental/traffic-portal/node_modules traffic_monitor/__debug_bin traffic_ops/traffic_ops_golang/__debug_bin traffic_portal/node_modules
```
and verify that those all are owned by you
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- [ ] This PR has tests <!-- If not, please delete this text and explain why this PR does not need tests. -->
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- [ ] This PR has a CHANGELOG.md entry <!-- A fix for a bug from an ATC release, an improvement, or a new feature should have a changelog entry. -->
- [x] This PR **DOES NOT FIX A SERIOUS SECURITY VULNERABILITY** (see [the Apache Software Foundation's security guidelines](https://apache.org/security) for details)
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[GitHub] [trafficcontrol] ericholguin commented on a diff in pull request #7142: Run CDN in a Box for Developers services as unprivileged users
Posted by GitBox <gi...@apache.org>.
ericholguin commented on code in PR #7142:
URL: https://github.com/apache/trafficcontrol/pull/7142#discussion_r1018258352
##########
docker-compose.yml:
##########
@@ -33,8 +33,10 @@ services:
ports:
- 6443:443
- 6444:6444
+ sysctls:
+ - net.ipv4.ip_unprivileged_port_start=0
Review Comment:
Maybe should be changed to 23 so ssh port isnt exposed?
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[GitHub] [trafficcontrol] zrhoffman commented on a diff in pull request #7142: Run CDN in a Box for Developers services as unprivileged users
Posted by GitBox <gi...@apache.org>.
zrhoffman commented on code in PR #7142:
URL: https://github.com/apache/trafficcontrol/pull/7142#discussion_r1018267515
##########
docker-compose.yml:
##########
@@ -33,8 +33,10 @@ services:
ports:
- 6443:443
- 6444:6444
+ sysctls:
+ - net.ipv4.ip_unprivileged_port_start=0
Review Comment:
This isn't which ports are exposed, it's which ports a non-user is allowed to listen on.
Docker itself [includes](https://github.com/moby/moby/pull/41030/files#diff-9f91bff23e0bd70d6429b63d9db2d8180d2e89cdb64db4fb3e10a96f74d36271R791-R793) `net.ipv4.ip_unprivileged_port_start = 0`, just not containerd yet.
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[GitHub] [trafficcontrol] zrhoffman commented on pull request #7142: Run CDN in a Box for Developers services as unprivileged users
Posted by GitBox <gi...@apache.org>.
zrhoffman commented on PR #7142:
URL: https://github.com/apache/trafficcontrol/pull/7142#issuecomment-1306334417
Rebased onto master to get #7164
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[GitHub] [trafficcontrol] zrhoffman commented on a diff in pull request #7142: Run CDN in a Box for Developers services as unprivileged users
Posted by GitBox <gi...@apache.org>.
zrhoffman commented on code in PR #7142:
URL: https://github.com/apache/trafficcontrol/pull/7142#discussion_r1018267515
##########
docker-compose.yml:
##########
@@ -33,8 +33,10 @@ services:
ports:
- 6443:443
- 6444:6444
+ sysctls:
+ - net.ipv4.ip_unprivileged_port_start=0
Review Comment:
This isn't which ports are exposed, it's which ports a non-root user is allowed to listen on.
Docker itself [includes](https://github.com/moby/moby/pull/41030/files#diff-9f91bff23e0bd70d6429b63d9db2d8180d2e89cdb64db4fb3e10a96f74d36271R791-R793) `net.ipv4.ip_unprivileged_port_start = 0`, just not containerd yet.
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[GitHub] [trafficcontrol] ocket8888 commented on a diff in pull request #7142: Run CDN in a Box for Developers services as unprivileged users
Posted by GitBox <gi...@apache.org>.
ocket8888 commented on code in PR #7142:
URL: https://github.com/apache/trafficcontrol/pull/7142#discussion_r1017140520
##########
dev/tpv2/run.sh:
##########
@@ -16,5 +16,24 @@
set -o errexit
cd "$TC/experimental/traffic-portal"
+
+user=tpv2
+uid="$(stat -c%u "$TC")"
+gid="$(stat -c%g "$TC")"
+if [[ "$(id -u)" != "$uid" ]]; then
+ for dir in "${TC}/.npm" .angular node_modules; do
Review Comment:
this fails on fresh repo clones:
```
tpv2_1 | stat: cannot statx '.angular': No such file or directory
tpv2_1 | chown: cannot access '.angular': No such file or directory
```
(and then the container crashes)
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[GitHub] [trafficcontrol] zrhoffman commented on pull request #7142: Run CDN in a Box for Developers services as unprivileged users
Posted by GitBox <gi...@apache.org>.
zrhoffman commented on PR #7142:
URL: https://github.com/apache/trafficcontrol/pull/7142#issuecomment-1311000307
Oops, the condition checking if t3c's `run.sh` was being run as root was always checking the unprivileged user's UID instead. Fixed in 0150a22289
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[GitHub] [trafficcontrol] ocket8888 commented on pull request #7142: Run CDN in a Box for Developers services as unprivileged users
Posted by GitBox <gi...@apache.org>.
ocket8888 commented on PR #7142:
URL: https://github.com/apache/trafficcontrol/pull/7142#issuecomment-1292273358
This is something I've wanted for the dev environment since its inception, but I can't test it because of a bug in the TP/TPv2 containers that prevents them from fetching a resource from npm. I've had another developer confirm that the issue is not specific to my machine, but I still have no idea why that's happening.
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[GitHub] [trafficcontrol] zrhoffman commented on a diff in pull request #7142: Run CDN in a Box for Developers services as unprivileged users
Posted by GitBox <gi...@apache.org>.
zrhoffman commented on code in PR #7142:
URL: https://github.com/apache/trafficcontrol/pull/7142#discussion_r1017158790
##########
dev/tpv2/run.sh:
##########
@@ -16,5 +16,24 @@
set -o errexit
cd "$TC/experimental/traffic-portal"
+
+user=tpv2
+uid="$(stat -c%u "$TC")"
+gid="$(stat -c%g "$TC")"
+if [[ "$(id -u)" != "$uid" ]]; then
+ for dir in "${TC}/.npm" .angular node_modules; do
Review Comment:
Checking if the directory exists first in ec0651f0e2
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[GitHub] [trafficcontrol] ocket8888 merged pull request #7142: Run CDN in a Box for Developers services as unprivileged users
Posted by GitBox <gi...@apache.org>.
ocket8888 merged PR #7142:
URL: https://github.com/apache/trafficcontrol/pull/7142
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