alertmanager/examples/ha/tls/README.md
Dustin Hooten ff85bec45b
Secure cluster traffic via mutual TLS (#2237)
* Add TLS option to gossip cluster

Co-authored-by: Sharad Gaur <sharadgaur@gmail.com>
Signed-off-by: Dustin Hooten <dustinhooten@gmail.com>

* generate new certs that expire in 100 years

Signed-off-by: Dustin Hooten <dustinhooten@gmail.com>

* Fix tls_connection attributes

Signed-off-by: Dustin Hooten <dustinhooten@gmail.com>

* Improve error message

Signed-off-by: Dustin Hooten <dustinhooten@gmail.com>

* Fix tls client config docs

Signed-off-by: Dustin Hooten <dustinhooten@gmail.com>

* Add capacity arg to message buffer

Signed-off-by: Dustin Hooten <dustinhooten@gmail.com>

* fix formatting

Signed-off-by: Dustin Hooten <dustinhooten@gmail.com>

* Update version; add version validation

Signed-off-by: Dustin Hooten <dustinhooten@gmail.com>

* use lru cache for connection pool

Signed-off-by: Dustin Hooten <dustinhooten@gmail.com>

* lock reading from the connection

Signed-off-by: Dustin Hooten <dustinhooten@gmail.com>

* when extracting net.Conn from tlsConn, lock and throw away wrapper

Signed-off-by: Dustin Hooten <dustinhooten@gmail.com>

* Add mutex to connection pool to protect cache

Signed-off-by: Dustin Hooten <dustinhooten@gmail.com>

* fix linting

Signed-off-by: Dustin Hooten <dustinhooten@gmail.com>

Co-authored-by: Sharad Gaur <sharadgaur@gmail.com>
2021-08-09 14:58:06 -06:00

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Markdown

# TLS Transport Config Example
## Usage
1. Install dependencies:
1. `go install github.com/cloudflare/cfssl/cmd/cfssl`
2. `go install github.com/mattn/goreman`
2. Build Alertmanager (root of repository):
1. `go mod download`
1. `make build`.
2. `make start` (inside this directory).
## Testing
1. Start the cluster (as explained above)
2. Navigate to one of the Alertmanager instances at `localhost:9093`.
3. Create a silence.
4. Navigate to the other Alertmanager instance at `localhost:9094`.
5. Observe that the silence created in the other Alertmanager instance has been synchronized over to this instance.
6. Repeat.