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71 Commits

Author SHA1 Message Date
Rohit Jnagal
a0a419614f Add /storage endpoint to 2.0 API. 
/storage returns {device, mountpoint, capacity, usage} for all filesystems.
In addition, it also detect and applies label for each filesystem - currently two - "root", "docker-images".

/storage/<label> returns info about the filesystem with specific label. eg. /storage/root returns info for root filesystem.
 2015-03-11 01:49:58 +00:00
Rohit Jnagal
872546ba3a Bulk move current info api to info/v1. Making room for info/v2. 2015-03-04 00:47:28 +00:00
Rohit Jnagal
e09f9684e6 Fix cpuset returned in spec on a single core machine. 
Switch from "0-0" to "0".
 2015-02-19 18:54:23 +00:00
Victor Marmol
131a0c21ea Detect Docker containers by asking the Docker. 
No longer do deduction from the cgroup path (only to get the Docker
container ID).

Fixes #450.
 2015-02-06 09:15:59 -08:00
Victor Marmol
45ba276ae8 Add container creation time to ContainerSpec. 2015-02-05 09:52:10 -08:00
Victor Marmol
86238d0179 Allow partial success of GetStats(). 
This should make us more robust in the face of failure (at the cost of
making the failures less prominent). We allow GetStats() to return an
error and a partial result. We will process the result and report the
error.

Fixes #306.
 2015-02-03 15:26:31 -08:00
Victor Marmol
01b456c129 Fix detection of AUFS layers. 
We were using the container name instead of the Docker ID which breaks
in systemd systems.

Fixes #475.
 2015-02-03 10:06:19 -08:00
Vishnu Kannan
aedf42ba8c Adding 'HasDiskIo' to Container Spec to indicate if diskio stats are available for a given container. 2015-01-20 05:06:57 +00:00
Victor Marmol
909fa133e1 Merge pull request #445 from rjnagal/docker 
Add task load stats to containers.
 2015-01-16 16:00:50 -08:00
Rohit Jnagal
cbdd96a554 Add task load stats to containers. 
The stats are only populated when cAdvisor is running outside network namespaces.
We'll add a different backend to retrieve the same data from within namespaces.
 2015-01-16 23:25:22 +00:00
Rohit Jnagal
ed155019ac Verify and fix error message nit :) 2015-01-14 01:15:13 +00:00
Victor Marmol
adfccb7c1c Updating to latest libcontainer. 2015-01-08 12:15:03 -08:00
Victor Marmol
643d647761 Gofmt all files. 2015-01-05 11:26:23 -08:00
Rohit Jnagal
cdd355421f Add check for state directory to validator. 2014-12-28 18:04:32 +00:00
Rohit Jnagal
275b3ed653 Don't use state.json from libcontainer to get cgroup paths. 
This confuses cadvisor on systems where cadvisor doesn't see cgroup mounts at the same place as root namespace view.
 2014-12-24 00:25:11 +00:00
Victor Marmol
7ca63db2c5 Handle old versions of the libcontainer config. 
Libcontainer recently changed its config by changing the type of a
field. This commit tries parsing the config as the new and old types.
 2014-12-16 17:52:44 -08:00
Rohit Jnagal
8eec529106 Merge pull request #358 from vmarmol/update-libcontainer 
Update libcontainer dependency
 2014-12-15 17:01:44 -08:00
Victor Marmol
91c974e913 Generate CgroupPaths when not available. 
This happens always for non-Docker containers and sometimes with older Docker
containers.
 2014-12-15 16:57:30 -08:00
Victor Marmol
084e809507 Merge pull request #356 from rjnagal/rename 
Add systemd information to validate output.
 2014-12-16 07:35:30 +08:00
Rohit Jnagal
4ec9894ea2 Add systemd information to validate output. 2014-12-15 23:26:30 +00:00
Victor Marmol
0123fe1d07 Merge pull request #355 from rjnagal/syst 
Fix Docker handler for machines that use systemd just as a naming service
 2014-12-16 07:07:42 +08:00
Rohit Jnagal
f585e4bc5e Fix Docker handler for machines that use systemd just as a naming service without controlling cgroups. 2014-12-15 22:58:44 +00:00
Rohit Jnagal
1953bd0e94 Bump minimum docker supported version to 1.0. 2014-12-15 16:57:22 +00:00
Victor Marmol
cb0387b41e Try to detect systemd by checking for its named cgroup hierarchy. 
Fixes #342
 2014-12-11 17:30:33 -08:00
Victor Marmol
e3ab15417c Ignore update errors for dead containers. 
This adds an Exists() interface to detect when the container is dead.
Before reporting an update error we check is Exists() is true.

Some documentation was added as well.
 2014-11-22 05:31:11 +08:00
Victor Marmol
0e603d2709 Let the raw driver handle the /docker container. 
This will give us stats on this container and since the /docker UI
endpoint, it no longer serves the purpose it once did.
 2014-11-20 06:44:35 +08:00
Victor Marmol
f97e57df88 Simplify how the Docker containers are handled. 
This is done by introducting the concept of "namespaces" of container
names. The aliases of a container are under this namespace. Namespace
names are of the form:

//<namespace>/<alias>

This allows us to (within cAdvisor) query all docker containers as
//docker regardless of whether this is a systemd or a non-systemd system.

This does break our ability to handle Docker aliases with the /container
endpoint. I think this is acceptable as our support there was not
consistent between system types.
 2014-11-12 18:01:47 -08:00
Victor Marmol
6e89bdef9f Add /docker/ UI endpoint. 
Fixes #294
 2014-11-07 08:53:52 -08:00
Victor Marmol
e695c3820e Only overwrite the Name and Parent in the libcontainer Cgroup. 
Fixes #287
 2014-10-29 11:41:23 -07:00
Victor Marmol
8aa05b0c39 Add API version v1.2 with /docker endpoint. 
The /docker endpoint lists all Docker containers under one unified
namespace.
 2014-10-20 22:24:01 -07:00
Vishnu Kannan
0699e7029d Avoid storage usagge calculations when aufs driver is not being used. 2014-10-07 11:48:10 +00:00
Vishnu Kannan
5e8fecea6a Adding filesystem usage calculation for docker containers. This patch also includes some internal refactoring. 
'machine' api now exports a list of all existing 'ext*' filesystems along with the capacity.
 2014-10-06 09:51:32 +00:00
Vish Kannan
1ed9d122c1 Merge pull request #220 from vmarmol/coreos 
Fix name resolution in Systemd systems
 2014-09-29 11:28:23 -07:00
Satnam Singh
7ddc75c41b Squashed commit of the following: 
commit 6bf9fe89f6
Author: Satnam Singh <satnam@google.com>
Date:   Fri Sep 26 10:23:16 2014 -0700

    Change error to warning during handling check.

commit c580907183
Author: Satnam Singh <satnam@google.com>
Date:   Fri Sep 26 10:21:41 2014 -0700

    Decapatalise fmt.Errorf error messages.

commit 3ecc5745d6
Author: Satnam Singh <satnam@google.com>
Date:   Fri Sep 26 10:19:15 2014 -0700

    Fix misunderstanding about when CanHandle fails.

commit adce0c5433
Author: Satnam Singh <satnam@google.com>
Date:   Fri Sep 26 10:13:32 2014 -0700

    Change the interface of CanHandle to return error information.
 2014-09-26 18:06:58 -07:00
Victor Marmol
ebf231e4df Fix name resolution in Systemd systems 2014-09-23 20:01:35 -07:00
Victor Marmol
6f35cf8e6c Supporting graceful signal shutdown. 
Adding a signal handler and gracefully shutting down all threads.
 2014-09-23 14:13:58 -07:00
Victor Marmol
e22831f1bd Flatten ContainerSpec. 2014-09-19 10:14:22 -07:00
Victor Marmol
b63d61ca97 Use inotify to watch for new containers. 
This reduces cAdvisor CPU usage below 1% in my CoreOS system.

We also reduce global housekeeping to every 60s as a fallback in case we
miss an event.
 2014-09-18 12:52:09 -07:00
Victor Marmol
f9c45094ab Only register the Docker driver in systems using libcontainer. 2014-09-05 13:37:18 -07:00
Victor Marmol
b75dea4021 Adding --docekr_root to customize where Docker stores state. 
Fixes #199
 2014-08-29 14:54:40 -07:00
Vishnu Kannan
3e390e0f33 Use glog instead of 'log' library. 
Docker-DCO-1.1-Signed-off-by: Vishnu Kannan <vishnuk@google.com> (github: vishh)
 2014-08-07 18:38:58 +00:00
Victor Marmol
00f4f840ea Move from filepath -> path for Join. 2014-08-03 10:06:39 -07:00
Victor Marmol
56054e3e31 Remove SplitName(). 
This is possible thanks to the new libcontainer interface that allows
the use of absolute paths.
 2014-08-02 11:36:10 -07:00
Nan Monnand Deng
d6551d888b list processes 2014-07-29 01:20:19 -04:00
Victor Marmol
7a3f7b9a29 Return an empty state for old versions of Docker. 
Fixes #127.
 2014-07-25 08:20:55 -07:00
Rohit Jnagal
1fa48e8c39 Fix handling of cpumask for docker driver. Raw driver still reports all 
cpus. Will fix it to read cpumask for cgroup seperately.

Docker-DCO-1.1-Signed-off-by: Rohit Jnagal <jnagal@google.com> (github: rjnagal)
 2014-07-24 01:50:32 +00:00
Victor Marmol
239f4bad11 Added parent prefix to all Docker containers. 2014-07-23 13:23:27 -07:00
Victor Marmol
2e9176ae64 Fix Docker container slice in systemd systems. 
It should be in /system.slice/docker-*.
 2014-07-23 07:46:46 -07:00
Victor Marmol
eef8c01e4e Better handle nested containers and libcontainer. 2014-07-22 18:04:08 -07:00
Vishnu Kannan
a748b53743 Docker ListContainers will work only for the '/docker' container. 2014-07-22 19:55:14 +00:00