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* Move commands from docs to its own root-level directory * temporarily use modified dev-portal branch with nomad ia changes * explicitly clone nomad ia exp branch * retrigger build, fixed dev-portal broken build * architecture, concepts and get started individual pages * fix get started section destinations * reference section * update repo comment in website-build.sh to show branch * docs nav file update capitalization * update capitalization to force deploy * remove nomad-vs-kubernetes dir; move content to what is nomad pg * job section * Nomad operations category, deploy section * operations category, govern section * operations - manage * operations/scale; concepts scheduling fix * networking * monitor * secure section * remote auth-methods folder and move up pages to sso; linkcheck * Fix install2deploy redirects * fix architecture redirects * Job section: Add missing section index pages * Add section index pages so breadcrumbs build correctly * concepts/index fix front matter indentation * move task driver plugin config to new deploy section * Finish adding full URL to tutorials links in nav * change SSO to Authentication in nav and file system * Docs NomadIA: Move tutorials into NomadIA branch (#26132) * Move governance and policy from tutorials to docs * Move tutorials content to job-declare section * run jobs section * stateful workloads * advanced job scheduling * deploy section * manage section * monitor section * secure/acl and secure/authorization * fix example that contains an unseal key in real format * remove images from sso-vault * secure/traffic * secure/workload-identities * vault-acl change unseal key and root token in command output sample * remove lines from sample output * fix front matter * move nomad pack tutorials to tools * search/replace /nomad/tutorials links * update acl overview with content from deleted architecture/acl * fix spelling mistake * linkcheck - fix broken links * fix link to Nomad variables tutorial * fix link to Prometheus tutorial * move who uses Nomad to use cases page; move spec/config shortcuts add dividers * Move Consul out of Integrations; move namespaces to govern * move integrations/vault to secure/vault; delete integrations * move ref arch to docs; rename Deploy Nomad back to Install Nomad * address feedback * linkcheck fixes * Fixed raw_exec redirect * add info from /nomad/tutorials/manage-jobs/jobs * update page content with newer tutorial * link updates for architecture sub-folders * Add redirects for removed section index pages. Fix links. * fix broken links from linkcheck * Revert to use dev-portal main branch instead of nomadIA branch * build workaround: add intro-nav-data.json with single entry * fix content-check error * add intro directory to get around Vercel build error * workound for emtpry directory * remove mdx from /intro/ to fix content-check and git snafu * Add intro index.mdx so Vercel build should work --------- Co-authored-by: Tu Nguyen <im2nguyen@gmail.com>
81 lines
2.7 KiB
Plaintext
81 lines
2.7 KiB
Plaintext
---
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layout: docs
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page_title: volume_mount block in the job specification
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description: |-
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The `volume_mount` block allows the task to specify where a group `volume`
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should be mounted.
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---
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# `volume_mount` block in the job specification
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<Placement groups={['job', 'group', 'task', 'volume_mount']} />
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The `volume_mount` block allows the task to specify how a group
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[`volume`][volume] should be mounted into the task.
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```hcl
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job "docs" {
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group "example" {
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volume "certs" {
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type = "host"
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read_only = true
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source = "ca-certificates"
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}
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task "example" {
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volume_mount {
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volume = "certs"
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destination = "/etc/ssl/certs"
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propagation_mode = "private"
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}
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}
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}
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}
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```
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The Nomad client will make the volumes available to tasks according to this
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configuration, and it will fail the allocation if the client configuration
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updates to remove a volume that it depends on.
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## Parameters
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- `volume` `(string: "")` - Specifies the group volume that the mount is going
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to access.
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- `destination` `(string: "")` - Specifies where the volume should be mounted
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inside the task's allocation.
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- `read_only` `(bool: false)` - When a group volume is writeable, you may
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specify that it is `read_only` on a per mount level using the `read_only`
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option here.
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- `propagation_mode` `(string: "private")` - Specifies the mount propagation
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mode for nested volumes. Possible values are:
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- `private` - the task is not allowed to access nested mounts.
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- `host-to-task` - allows new mounts that have been created outside of the
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task to be visible inside the task.
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- `bidirectional` - allows the task to both access new mounts from the host
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and also create new mounts. This mode requires `ReadWrite` permission.
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~> **Warning:** `bidirectional` propagation mode can be dangerous to use
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and cause problems in the host operating system if a task creates a mount
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but does not clean it up properly before exiting.
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- `selinux_label``(string: "")` - Specifies the SELinux label for the mount.
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This is only supported on Linux hosts and when supported by the task driver. Refer to the task driver documentation for more information. Possible
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values are:
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- `Z` - Specifies that the volume content is private and unshared between
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containers.
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- `z` - Specifies that the volume content is shared among containers.
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For examples of how to use [HCL2] interpolation for fine-grained control of
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volumes, see [Volume Interpolation].
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[volume]: /nomad/docs/job-specification/volume 'Nomad volume Job Specification'
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[volume interpolation]: /nomad/docs/job-specification/volume#volume-interpolation
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[hcl2]: /nomad/docs/reference/hcl2
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