cadvisor

command module
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Published: Jun 1, 2016 License: Apache-2.0 Imports: 25 Imported by: 0

README

cAdvisor

cAdvisor (Container Advisor) provides container users an understanding of the resource usage and performance characteristics of their running containers. It is a running daemon that collects, aggregates, processes, and exports information about running containers. Specifically, for each container it keeps resource isolation parameters, historical resource usage, histograms of complete historical resource usage and network statistics. This data is exported by container and machine-wide.

cAdvisor has native support for Docker containers and should support just about any other container type out of the box. We strive for support across the board so feel free to open an issue if that is not the case. cAdvisor's container abstraction is based on lmctfy's so containers are inherently nested hierarchically.

cAdvisor

Quick Start: Running cAdvisor in a Docker Container

To quickly tryout cAdvisor on your machine with Docker, we have a Docker image that includes everything you need to get started. You can run a single cAdvisor to monitor the whole machine. Simply run:

sudo docker run \
  --volume=/:/rootfs:ro \
  --volume=/var/run:/var/run:rw \
  --volume=/sys:/sys:ro \
  --volume=/var/lib/docker/:/var/lib/docker:ro \
  --publish=8080:8080 \
  --detach=true \
  --name=cadvisor \
  google/cadvisor:latest

cAdvisor is now running (in the background) on http://localhost:8080. The setup includes directories with Docker state cAdvisor needs to observe.

Note: If you're running on CentOS, Fedora, RHEL, or are using LXC take a look at our running instructions.

We have detailed instructions on running cAdvisor standalone outside of Docker. cAdvisor running options may also be interesting for advanced usecases. If you want to build your own cAdvisor Docker image see our deployment page.

Building and Testing

See the more detailed instructions in the build page. This includes instructions for building and deploying the cAdvisor Docker image.

InfluxDB and Cluster Monitoring

cAdvisor supports exporting stats to InfluxDB. See the documentation for more information and examples.

cAdvisor also exposes container stats as Prometheus metrics. See the documentation for more information.

Heapster enables cluster wide monitoring of containers using cAdvisor.

Web UI

cAdvisor exposes a web UI at its port:

http://<hostname>:<port>/

See the documentation for more details.

Remote REST API & Clients

cAdvisor exposes its raw and processed stats via a versioned remote REST API. See the API's documentation for more information.

There is also an official Go client implementation in the client directory. See the documentation for more information.

Roadmap

cAdvisor aims to improve the resource usage and performance characteristics of running containers. Today, we gather and expose this information to users. In our roadmap:

  • Advise on the performance of a container (e.g.: when it is being negatively affected by another, when it is not receiving the resources it requires, etc)
  • Auto-tune the performance of the container based on previous advise.
  • Provide usage prediction to cluster schedulers and orchestration layers.

Community

Contributions, questions, and comments are all welcomed and encouraged! cAdvisor developers hang out on Freenode IRC in the #google-containers room & Slack (get an invitation here). We also have the google-containers Google Groups mailing list.

Documentation

The Go Gopher

There is no documentation for this package.

Directories

Path Synopsis
Godeps
_workspace/src/bitbucket.org/ww/goautoneg
HTTP Content-Type Autonegotiation.
HTTP Content-Type Autonegotiation.
_workspace/src/github.com/Shopify/sarama
Package sarama provides client libraries for the Kafka 0.8 protocol.
Package sarama provides client libraries for the Kafka 0.8 protocol.
_workspace/src/github.com/Shopify/sarama/mocks
Package mocks provides mocks that can be used for testing applications that use Sarama.
Package mocks provides mocks that can be used for testing applications that use Sarama.
_workspace/src/github.com/aws/aws-sdk-go/aws
Package aws provides core functionality for making requests to AWS services.
Package aws provides core functionality for making requests to AWS services.
_workspace/src/github.com/aws/aws-sdk-go/aws/awserr
Package awserr represents API error interface accessors for the SDK.
Package awserr represents API error interface accessors for the SDK.
_workspace/src/github.com/aws/aws-sdk-go/aws/credentials
Package credentials provides credential retrieval and management The Credentials is the primary method of getting access to and managing credentials Values.
Package credentials provides credential retrieval and management The Credentials is the primary method of getting access to and managing credentials Values.
_workspace/src/github.com/aws/aws-sdk-go/aws/credentials/stscreds
Package stscreds are credential Providers to retrieve STS AWS credentials.
Package stscreds are credential Providers to retrieve STS AWS credentials.
_workspace/src/github.com/aws/aws-sdk-go/aws/defaults
Package defaults is a collection of helpers to retrieve the SDK's default configuration and handlers.
Package defaults is a collection of helpers to retrieve the SDK's default configuration and handlers.
_workspace/src/github.com/aws/aws-sdk-go/aws/ec2metadata
Package ec2metadata provides the client for making API calls to the EC2 Metadata service.
Package ec2metadata provides the client for making API calls to the EC2 Metadata service.
_workspace/src/github.com/aws/aws-sdk-go/aws/session
Package session provides a way to create service clients with shared configuration and handlers.
Package session provides a way to create service clients with shared configuration and handlers.
_workspace/src/github.com/aws/aws-sdk-go/private/endpoints
Package endpoints validates regional endpoints for services.
Package endpoints validates regional endpoints for services.
_workspace/src/github.com/beorn7/perks/quantile
Package quantile computes approximate quantiles over an unbounded data stream within low memory and CPU bounds.
Package quantile computes approximate quantiles over an unbounded data stream within low memory and CPU bounds.
_workspace/src/github.com/coreos/go-systemd/dbus
Integration with the systemd D-Bus API.
Integration with the systemd D-Bus API.
_workspace/src/github.com/coreos/go-systemd/util
Package util contains utility functions related to systemd that applications can use to check things like whether systemd is running.
Package util contains utility functions related to systemd that applications can use to check things like whether systemd is running.
_workspace/src/github.com/docker/docker/pkg/units
Package units provides helper function to parse and print size and time units in human-readable format.
Package units provides helper function to parse and print size and time units in human-readable format.
_workspace/src/github.com/docker/go-units
Package units provides helper function to parse and print size and time units in human-readable format.
Package units provides helper function to parse and print size and time units in human-readable format.
_workspace/src/github.com/eapache/go-resiliency/breaker
Package breaker implements the circuit-breaker resiliency pattern for Go.
Package breaker implements the circuit-breaker resiliency pattern for Go.
_workspace/src/github.com/eapache/queue
Package queue provides a fast, ring-buffer queue based on the version suggested by Dariusz Górecki.
Package queue provides a fast, ring-buffer queue based on the version suggested by Dariusz Górecki.
_workspace/src/github.com/fsouza/go-dockerclient
Package docker provides a client for the Docker remote API.
Package docker provides a client for the Docker remote API.
_workspace/src/github.com/fsouza/go-dockerclient/external/github.com/docker/docker/pkg/parsers
Package parsers provides helper functions to parse and validate different type of string.
Package parsers provides helper functions to parse and validate different type of string.
_workspace/src/github.com/fsouza/go-dockerclient/external/github.com/docker/docker/pkg/pools
Package pools provides a collection of pools which provide various data types with buffers.
Package pools provides a collection of pools which provide various data types with buffers.
_workspace/src/github.com/fsouza/go-dockerclient/external/github.com/docker/docker/pkg/ulimit
Package ulimit provides structure and helper function to parse and represent resource limits (Rlimit and Ulimit, its human friendly version).
Package ulimit provides structure and helper function to parse and represent resource limits (Rlimit and Ulimit, its human friendly version).
_workspace/src/github.com/fsouza/go-dockerclient/external/github.com/docker/docker/pkg/units
Package units provides helper function to parse and print size and time units in human-readable format.
Package units provides helper function to parse and print size and time units in human-readable format.
_workspace/src/github.com/fsouza/go-dockerclient/external/github.com/gorilla/context
Package context stores values shared during a request lifetime.
Package context stores values shared during a request lifetime.
_workspace/src/github.com/fsouza/go-dockerclient/external/github.com/gorilla/mux
Package gorilla/mux implements a request router and dispatcher.
Package gorilla/mux implements a request router and dispatcher.
_workspace/src/github.com/fsouza/go-dockerclient/testing
Package testing provides a fake implementation of the Docker API, useful for testing purpose.
Package testing provides a fake implementation of the Docker API, useful for testing purpose.
_workspace/src/github.com/garyburd/redigo/internal/redistest
Package redistest contains utilities for writing Redigo tests.
Package redistest contains utilities for writing Redigo tests.
_workspace/src/github.com/garyburd/redigo/redis
Package redis is a client for the Redis database.
Package redis is a client for the Redis database.
_workspace/src/github.com/go-ini/ini
Package ini provides INI file read and write functionality in Go.
Package ini provides INI file read and write functionality in Go.
_workspace/src/github.com/godbus/dbus
Package dbus implements bindings to the D-Bus message bus system.
Package dbus implements bindings to the D-Bus message bus system.
_workspace/src/github.com/godbus/dbus/introspect
Package introspect provides some utilities for dealing with the DBus introspection format.
Package introspect provides some utilities for dealing with the DBus introspection format.
_workspace/src/github.com/godbus/dbus/prop
Package prop provides the Properties struct which can be used to implement org.freedesktop.DBus.Properties.
Package prop provides the Properties struct which can be used to implement org.freedesktop.DBus.Properties.
_workspace/src/github.com/golang/glog
Package glog implements logging analogous to the Google-internal C++ INFO/ERROR/V setup.
Package glog implements logging analogous to the Google-internal C++ INFO/ERROR/V setup.
_workspace/src/github.com/golang/protobuf/proto
Package proto converts data structures to and from the wire format of protocol buffers.
Package proto converts data structures to and from the wire format of protocol buffers.
_workspace/src/github.com/golang/snappy
Package snappy implements the snappy block-based compression format.
Package snappy implements the snappy block-based compression format.
_workspace/src/github.com/klauspost/crc32
Package crc32 implements the 32-bit cyclic redundancy check, or CRC-32, checksum.
Package crc32 implements the 32-bit cyclic redundancy check, or CRC-32, checksum.
_workspace/src/github.com/kr/pretty
Package pretty provides pretty-printing for Go values.
Package pretty provides pretty-printing for Go values.
_workspace/src/github.com/kr/text
Package text provides rudimentary functions for manipulating text in paragraphs.
Package text provides rudimentary functions for manipulating text in paragraphs.
_workspace/src/github.com/kr/text/colwriter
Package colwriter provides a write filter that formats input lines in multiple columns.
Package colwriter provides a write filter that formats input lines in multiple columns.
_workspace/src/github.com/kr/text/mc
Command mc prints in multiple columns.
Command mc prints in multiple columns.
_workspace/src/github.com/matttproud/golang_protobuf_extensions/pbutil
Package pbutil provides record length-delimited Protocol Buffer streaming.
Package pbutil provides record length-delimited Protocol Buffer streaming.
_workspace/src/github.com/mistifyio/go-zfs
Package zfs provides wrappers around the ZFS command line tools.
Package zfs provides wrappers around the ZFS command line tools.
_workspace/src/github.com/opencontainers/runc/libcontainer
Libcontainer provides a native Go implementation for creating containers with namespaces, cgroups, capabilities, and filesystem access controls.
Libcontainer provides a native Go implementation for creating containers with namespaces, cgroups, capabilities, and filesystem access controls.
_workspace/src/github.com/opencontainers/runc/libcontainer/criurpc
Package criurpc is a generated protocol buffer package.
Package criurpc is a generated protocol buffer package.
_workspace/src/github.com/opencontainers/runc/libcontainer/integration
integration is used for integration testing of libcontainer
integration is used for integration testing of libcontainer
_workspace/src/github.com/pborman/uuid
The uuid package generates and inspects UUIDs.
The uuid package generates and inspects UUIDs.
_workspace/src/github.com/prometheus/client_golang/prometheus
Package prometheus provides embeddable metric primitives for servers and standardized exposition of telemetry through a web services interface.
Package prometheus provides embeddable metric primitives for servers and standardized exposition of telemetry through a web services interface.
_workspace/src/github.com/prometheus/client_model/go
Package io_prometheus_client is a generated protocol buffer package.
Package io_prometheus_client is a generated protocol buffer package.
_workspace/src/github.com/prometheus/common/expfmt
A package for reading and writing Prometheus metrics.
A package for reading and writing Prometheus metrics.
_workspace/src/github.com/prometheus/common/model
Package model contains common data structures that are shared across Prometheus componenets and libraries.
Package model contains common data structures that are shared across Prometheus componenets and libraries.
_workspace/src/github.com/prometheus/procfs
Package procfs provides functions to retrieve system, kernel and process metrics from the pseudo-filesystem proc.
Package procfs provides functions to retrieve system, kernel and process metrics from the pseudo-filesystem proc.
_workspace/src/github.com/seccomp/libseccomp-golang
Package seccomp rovides bindings for libseccomp, a library wrapping the Linux seccomp syscall.
Package seccomp rovides bindings for libseccomp, a library wrapping the Linux seccomp syscall.
_workspace/src/github.com/stretchr/objx
objx - Go package for dealing with maps, slices, JSON and other data.
objx - Go package for dealing with maps, slices, JSON and other data.
_workspace/src/github.com/stretchr/testify/assert
A set of comprehensive testing tools for use with the normal Go testing system.
A set of comprehensive testing tools for use with the normal Go testing system.
_workspace/src/github.com/stretchr/testify/mock
Provides a system by which it is possible to mock your objects and verify calls are happening as expected.
Provides a system by which it is possible to mock your objects and verify calls are happening as expected.
_workspace/src/github.com/stretchr/testify/require
Alternative testing tools which stop test execution if test failed.
Alternative testing tools which stop test execution if test failed.
_workspace/src/github.com/syndtr/gocapability/capability
Package capability provides utilities for manipulating POSIX capabilities.
Package capability provides utilities for manipulating POSIX capabilities.
_workspace/src/github.com/vishvananda/netlink
Package netlink provides a simple library for netlink.
Package netlink provides a simple library for netlink.
_workspace/src/github.com/vishvananda/netlink/nl
Package nl has low level primitives for making Netlink calls.
Package nl has low level primitives for making Netlink calls.
_workspace/src/golang.org/x/exp/inotify
Package inotify implements a wrapper for the Linux inotify system.
Package inotify implements a wrapper for the Linux inotify system.
_workspace/src/golang.org/x/net/context
Package context defines the Context type, which carries deadlines, cancelation signals, and other request-scoped values across API boundaries and between processes.
Package context defines the Context type, which carries deadlines, cancelation signals, and other request-scoped values across API boundaries and between processes.
_workspace/src/golang.org/x/net/context/ctxhttp
Package ctxhttp provides helper functions for performing context-aware HTTP requests.
Package ctxhttp provides helper functions for performing context-aware HTTP requests.
_workspace/src/golang.org/x/oauth2
Package oauth2 provides support for making OAuth2 authorized and authenticated HTTP requests.
Package oauth2 provides support for making OAuth2 authorized and authenticated HTTP requests.
_workspace/src/golang.org/x/oauth2/facebook
Package facebook provides constants for using OAuth2 to access Facebook.
Package facebook provides constants for using OAuth2 to access Facebook.
_workspace/src/golang.org/x/oauth2/github
Package github provides constants for using OAuth2 to access Github.
Package github provides constants for using OAuth2 to access Github.
_workspace/src/golang.org/x/oauth2/google
Package google provides support for making OAuth2 authorized and authenticated HTTP requests to Google APIs.
Package google provides support for making OAuth2 authorized and authenticated HTTP requests to Google APIs.
_workspace/src/golang.org/x/oauth2/internal
Package internal contains support packages for oauth2 package.
Package internal contains support packages for oauth2 package.
_workspace/src/golang.org/x/oauth2/jws
Package jws provides encoding and decoding utilities for signed JWS messages.
Package jws provides encoding and decoding utilities for signed JWS messages.
_workspace/src/golang.org/x/oauth2/jwt
Package jwt implements the OAuth 2.0 JSON Web Token flow, commonly known as "two-legged OAuth 2.0".
Package jwt implements the OAuth 2.0 JSON Web Token flow, commonly known as "two-legged OAuth 2.0".
_workspace/src/golang.org/x/oauth2/linkedin
Package linkedin provides constants for using OAuth2 to access LinkedIn.
Package linkedin provides constants for using OAuth2 to access LinkedIn.
_workspace/src/golang.org/x/oauth2/odnoklassniki
Package odnoklassniki provides constants for using OAuth2 to access Odnoklassniki.
Package odnoklassniki provides constants for using OAuth2 to access Odnoklassniki.
_workspace/src/golang.org/x/oauth2/paypal
Package paypal provides constants for using OAuth2 to access PayPal.
Package paypal provides constants for using OAuth2 to access PayPal.
_workspace/src/golang.org/x/oauth2/vk
Package vk provides constants for using OAuth2 to access VK.com.
Package vk provides constants for using OAuth2 to access VK.com.
_workspace/src/google.golang.org/api/bigquery/v2
Package bigquery provides access to the BigQuery API.
Package bigquery provides access to the BigQuery API.
_workspace/src/google.golang.org/api/googleapi
Package googleapi contains the common code shared by all Google API libraries.
Package googleapi contains the common code shared by all Google API libraries.
_workspace/src/google.golang.org/api/googleapi/internal/uritemplates
Package uritemplates is a level 4 implementation of RFC 6570 (URI Template, http://tools.ietf.org/html/rfc6570).
Package uritemplates is a level 4 implementation of RFC 6570 (URI Template, http://tools.ietf.org/html/rfc6570).
_workspace/src/google.golang.org/api/googleapi/transport
Package transport contains HTTP transports used to make authenticated API requests.
Package transport contains HTTP transports used to make authenticated API requests.
_workspace/src/google.golang.org/cloud/compute/metadata
Package metadata provides access to Google Compute Engine (GCE) metadata and API service accounts.
Package metadata provides access to Google Compute Engine (GCE) metadata and API service accounts.
_workspace/src/google.golang.org/cloud/internal
Package internal provides support for the cloud packages.
Package internal provides support for the cloud packages.
_workspace/src/gopkg.in/olivere/elastic.v2
Package elastic provides an interface to the Elasticsearch server (http://www.elasticsearch.org/).
Package elastic provides an interface to the Elasticsearch server (http://www.elasticsearch.org/).
_workspace/src/gopkg.in/olivere/elastic.v2/uritemplates
Package uritemplates is a level 4 implementation of RFC 6570 (URI Template, http://tools.ietf.org/html/rfc6570).
Package uritemplates is a level 4 implementation of RFC 6570 (URI Template, http://tools.ietf.org/html/rfc6570).
Package api provides a handler for /api/
Package api provides a handler for /api/
This is an implementation of a cAdvisor REST API in Go.
This is an implementation of a cAdvisor REST API in Go.
v2
Client library to programmatically access cAdvisor API.
Client library to programmatically access cAdvisor API.
Package container defines types for sub-container events and also defines an interface for container operation handlers.
Package container defines types for sub-container events and also defines an interface for container operation handlers.
docker
Handler for Docker containers.
Handler for Docker containers.
raw
Unmarshal's a Containers description json file.
Unmarshal's a Containers description json file.
Provides Filesystem Stats
Provides Filesystem Stats
mux
info
v1
v2
integration
Manager of cAdvisor-monitored containers.
Manager of cAdvisor-monitored containers.
Page for /containers/
Page for /containers/
Maintains the summary of aggregated minute, hour, and day stats.
Maintains the summary of aggregated minute, hour, and day stats.
procfs
procfs contains several low level functions to read information from /proc filesystem, and also provides some utility functions like JiffiesToDuration.
procfs contains several low level functions to read information from /proc filesystem, and also provides some utility functions like JiffiesToDuration.

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