[SOLVED] lxc config via api (PUT problem)

G

g0ha

Active Member
Jan 11, 2019
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Hi! Stuck on trying to change lxc config via api, example:
curl -Ss --insecure -X PUT --header 'Authorization: PVEAPIToken=root@pam!test=UUID' --data-urlencode onboot=1 "https://pve1:8006/api2/json/nodes/pve1/lxc/107/config"|jq '.' { "data": null }
Problem only with this PUT method, other POST or GET works fine.
Via pvesh all works fine.
Other PUT like:
curl -Ss --insecure -X PUT --header 'Authorization: PVEAPIToken=root@pam!test=UUID' --data-urlencode disk="scsi0" --data-urlencode size="5G" "https://$pve1:8006/api2/json/nodes/pve1/qemu/ID/resize"
works fine too.
 
add '-v' to the curl command line to see more?
 
curl -v --insecure -X PUT --header 'Authorization: PVEAPIToken=root@pam!test=UUID' -d onboot=1 "https://pve1:8006/api2/json/nodes/pve1/lxc/107/config" * Trying 10.1.1.1... * TCP_NODELAY set * Connected to pve1 (10.1.1.1) port 8006 (#0) * ALPN, offering h2 * ALPN, offering http/1.1 * successfully set certificate verify locations: * CAfile: /etc/ssl/certs/ca-certificates.crt CApath: /etc/ssl/certs * TLSv1.3 (OUT), TLS handshake, Client hello (1): * TLSv1.3 (IN), TLS handshake, Server hello (2): * TLSv1.3 (IN), TLS Unknown, Certificate Status (22): * TLSv1.3 (IN), TLS handshake, Unknown (8): * TLSv1.3 (IN), TLS Unknown, Certificate Status (22): * TLSv1.3 (IN), TLS handshake, Certificate (11): * TLSv1.3 (IN), TLS Unknown, Certificate Status (22): * TLSv1.3 (IN), TLS handshake, CERT verify (15): * TLSv1.3 (IN), TLS Unknown, Certificate Status (22): * TLSv1.3 (IN), TLS handshake, Finished (20): * TLSv1.3 (OUT), TLS change cipher, Client hello (1): * TLSv1.3 (OUT), TLS Unknown, Certificate Status (22): * TLSv1.3 (OUT), TLS handshake, Finished (20): * SSL connection using TLSv1.3 / TLS_AES_256_GCM_SHA384 * ALPN, server did not agree to a protocol * Server certificate: * subject: OU=PVE Cluster Node; O=Proxmox Virtual Environment; CN=pve1 * start date: Feb 26 15:39:32 2020 GMT * expire date: Feb 25 15:39:32 2022 GMT * issuer: CN=Proxmox Virtual Environment; OU=OU; O=PVE Cluster Manager CA * SSL certificate verify result: unable to get local issuer certificate (20), continuing anyway. * TLSv1.3 (OUT), TLS Unknown, Unknown (23): > PUT /api2/json/nodes/pve1/lxc/107/config HTTP/1.1 > Host: pve1:8006 > User-Agent: curl/7.58.0 > Accept: */* > Authorization: PVEAPIToken=root@pam!test=UUID > Content-Length: 8 > Content-Type: application/x-www-form-urlencoded > * upload completely sent off: 8 out of 8 bytes * TLSv1.3 (IN), TLS Unknown, Certificate Status (22): * TLSv1.3 (IN), TLS handshake, Newsession Ticket (4): * TLSv1.3 (IN), TLS Unknown, Certificate Status (22): * TLSv1.3 (IN), TLS handshake, Newsession Ticket (4): * TLSv1.3 (IN), TLS Unknown, Unknown (23): < HTTP/1.1 200 OK < Cache-Control: max-age=0 < Connection: Keep-Alive < Connection: Keep-Alive < Date: Thu, 24 Sep 2020 07:21:32 GMT < Pragma: no-cache < Server: pve-api-daemon/3.0 < Content-Length: 13 < Content-Type: application/json;charset=UTF-8 < Expires: Thu, 24 Sep 2020 07:21:32 GMT < * Connection #0 to host pve1 left intact {"data":null}
 
ah sorry - PUT to config update has no return value!
 
nothing? you get back '200 OK' with no content -> your config change worked.
 
lol, ist blow my mind, tupically its return task ID, but there only null
 
for VMs, there is a POST config update API endpoint that runs in a task. for CTs this is not the case, since most changes should be instant (or post-poned to the next reboot of the container).
 
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